Bump version and soname for 5.2.3.

Only one definition was visible in a translation unit.
It avoided a few casts and temp variables but seems that
this hack doesn't work with link-time optimizations in compilers
as it's not C99/C11 compliant.

Fixes:
http://www.mail-archive.com/xz-devel@tukaani.org/msg00279.html

INSTALL

@@ -136,22 +136,31 @@ XZ Utils Installation
 
 1.2.7. Windows
 
-    Building XZ Utils on Windows is supported under MinGW + MSYS,
-    MinGW-w64 + MSYS, and Cygwin. There is windows/build.bash to
-    ease packaging XZ Utils with MinGW(-w64) + MSYS into a
-    redistributable .zip or .7z file. See windows/INSTALL-Windows.txt
-    for more information.
+    Building XZ Utils on Windows is supported under the following
+    environments:
+
+      - MinGW-w64 + MSYS (32-bit and 64-bit x86): This is used
+        for building the official binary packages for Windows.
+        There is windows/build.bash to ease packaging XZ Utils with
+        MinGW(-w64) + MSYS into a redistributable .zip or .7z file.
+        See windows/INSTALL-MinGW.txt for more information.
+
+      - MinGW + MSYS (32-bit x86): I haven't recently tested this.
+
+      - Cygwin 1.7.35 and later: NOTE that using XZ Utils >= 5.2.0
+        under Cygwin older than 1.7.35 can lead to DATA LOSS! If
+        you must use an old Cygwin version, stick to XZ Utils 5.0.x
+        which is safe under older Cygwin versions. You can check
+        the Cygwin version with the command "cygcheck -V".
+
+      - Microsoft Visual Studio 2013 update 2 or later (MSVC for short):
+        See windows/INSTALL-MSVC.txt for more information.
 
     It may be possible to build liblzma with other toolchains too, but
     that will probably require writing a separate makefile. Building
     the command line tools with non-GNU toolchains will be harder than
     building only liblzma.
 
-    Starting with XZ Utils 5.2.0, building liblzma (not the whole
-    XZ Utils) should work with MSVC 2013 update 2 or later using
-    windows/config.h. No project files or makefiles are included yet,
-    so the build process isn't as convenient yet as it could be.
-
     Even if liblzma is built with MinGW(-w64), the resulting DLL can
     be used by other compilers and linkers, including MSVC. See
     windows/README-Windows.txt for details.
@@ -237,6 +246,42 @@ XZ Utils Installation
                 the liblzma ABI, so this option should be used only when
                 it is known to not cause problems.
 
+    --enable-external-sha256
+                Try to use SHA-256 code from the operating system libc
+                or similar base system libraries. This doesn't try to
+                use OpenSSL or libgcrypt or such libraries.
+
+                The reasons to use this option:
+
+                  - It makes liblzma slightly smaller.
+
+                  - It might improve SHA-256 speed if the implementation
+                    in the operating is very good (but see below).
+
+                External SHA-256 is disabled by default for two reasons:
+
+                  - On some operating systems the symbol names of the
+                    SHA-256 functions conflict with OpenSSL's libcrypto.
+                    This causes weird problems such as decompression
+                    errors if an application is linked against both
+                    liblzma and libcrypto. This problem affects at least
+                    FreeBSD 10 and older and MINIX 3.3.0 and older, but
+                    other OSes that provide a function "SHA256_Init" might
+                    also be affected. FreeBSD 11 has the problem fixed.
+                    NetBSD had the problem but it was fixed it in 2009
+                    already. OpenBSD uses "SHA256Init" and thus never had
+                    a conflict with libcrypto.
+
+                  - The SHA-256 code in liblzma is faster than the SHA-256
+                    code provided by some operating systems. If you are
+                    curious, build two copies of xz (internal and external
+                    SHA-256) and compare the decompression (xz --test)
+                    times:
+
+                        dd if=/dev/zero bs=1024k count=1024 \
+                            | xz -v -0 -Csha256 > foo.xz
+                        time xz --test foo.xz
+
     --disable-xz
     --disable-xzdec
     --disable-lzmadec
@@ -354,6 +399,34 @@ XZ Utils Installation
                                 calls any liblzma functions from more than
                                 one thread, something bad may happen.
 
+    --enable-sandbox=METHOD
+                This feature is EXPERIMENTAL in the XZ Utils 5.2.x and
+                disabled by default. If you test this, look especially
+                if message translations and locale-specific decimal and
+                thousand separators (e.g. xz --list foo.xz) work the
+                same way as they do without sandboxing.
+
+                There is limited sandboxing support in the xz tool. If
+                built with sandbox support, it's used automatically when
+                (de)compressing exactly one file to standard output and
+                the options --files or --files0 weren't used. This is a
+                common use case, for example, (de)compressing .tar.xz
+                files via GNU tar. The sandbox is also used for
+                single-file `xz --test' or `xz --list'.
+
+                Supported METHODs:
+
+                        auto    Look for a supported sandboxing method
+                                and use it if found. If no method is
+                                found, then sandboxing isn't used.
+
+                        no      Disable sandboxing support.
+
+                        capsicum
+                                Use Capsicum (FreeBSD >= 10) for
+                                sandboxing. If no Capsicum support
+                                is found, configure will give an error.
+
     --enable-symbol-versions
                 Use symbol versioning for liblzma. This is enabled by
                 default on GNU/Linux, other GNU-based systems, and

NEWS

@@ -2,6 +2,63 @@
 XZ Utils Release Notes
 ======================
 
+5.2.3 (2016-12-30)
+
+    * xz:
+
+        - Always close a file before trying to delete it to avoid
+          problems on some operating system and file system combinations.
+
+        - Fixed copying of file timestamps on Windows.
+
+        - Added experimental (disabled by default) sandbox support using
+          Capsicum (FreeBSD >= 10). See --enable-sandbox in INSTALL.
+
+    * C99/C11 conformance fixes to liblzma. The issues affected at least
+      some builds using link-time optimizations.
+
+    * Fixed bugs in the rarely-used function lzma_index_dup().
+
+    * Use of external SHA-256 code is now disabled by default.
+      It can still be enabled by passing --enable-external-sha256
+      to configure. The reasons to disable it by default (see INSTALL
+      for more details):
+
+        - Some OS-specific SHA-256 implementations conflict with
+          OpenSSL and cause problems in programs that link against both
+          liblzma and libcrypto. At least FreeBSD 10 and MINIX 3.3.0
+          are affected.
+
+        - The internal SHA-256 is faster than the SHA-256 code in
+          some operating systems.
+
+    * Changed CPU core count detection to use sched_getaffinity() on
+      GNU/Linux and GNU/kFreeBSD.
+
+    * Fixes to the build-system and xz to make xz buildable even when
+      encoders, decoders, or threading have been disabled from libilzma
+      using configure options. These fixes added two new #defines to
+      config.h: HAVE_ENCODERS and HAVE_DECODERS.
+
+
+5.2.2 (2015-09-29)
+
+    * Fixed bugs in QNX-specific code.
+
+    * Omitted the use of pipe2() even if it is available to avoid
+      portability issues with some old Linux and glibc combinations.
+
+    * Updated German translation.
+
+    * Added project files to build static and shared liblzma (not the
+      whole XZ Utils) with Visual Studio 2013 update 2 or later.
+
+    * Documented that threaded decompression hasn't been implemented
+      yet. A 5.2.0 NEWS entry describing multi-threading support had
+      incorrectly said "decompression" when it should have said
+      "compression".
+
+
 5.2.1 (2015-02-26)
 
     * Fixed a compression-ratio regression in fast mode of LZMA1 and
@@ -66,8 +123,9 @@ XZ Utils Release Notes
           is non-trivial, so as of writing it is unknown if it will be
           backported to the v5.0 branch.
 
-        - Multi-threaded decompression can be enabled with the
+        - Multi-threaded compression can be enabled with the
           --threads (-T) option.
+          [Fixed: This originally said "decompression".]
 
         - New command line options in xz: --single-stream,
           --block-size=SIZE, --block-list=SIZES,

THANKS

@@ -21,6 +21,7 @@ has been important. :-) In alphabetical order:
   - Milo Casagrande
   - Marek Černocký
   - Tomer Chachamu
+  - Gabi Davar
   - Chris Donawa
   - Andrew Dudman
   - Markus Duft
@@ -29,6 +30,7 @@ has been important. :-) In alphabetical order:
   - Gilles Espinasse
   - Denis Excoffier
   - Michael Felt
+  - Michael Fox
   - Mike Frysinger
   - Daniel Richard G.
   - Bill Glessner
@@ -62,6 +64,7 @@ has been important. :-) In alphabetical order:
   - Conley Moorhous
   - Rafał Mużyło
   - Adrien Nader
+  - Evan Nemerson
   - Hongbo Ni
   - Jonathan Nieder
   - Andre Noll
@@ -72,8 +75,10 @@ has been important. :-) In alphabetical order:
   - Diego Elio Pettenò
   - Elbert Pol
   - Mikko Pouru
+  - Rich Prohaska
   - Trần Ngọc Quân
   - Pavel Raiskup
+  - Ole André Vadla Ravnås
   - Robert Readman
   - Bernhard Reutner-Fischer
   - Eric S. Raymond
@@ -86,6 +91,7 @@ has been important. :-) In alphabetical order:
   - Andreas Schwab
   - Dan Shechter
   - Stuart Shelton
+  - Sebastian Andrzej Siewior
   - Brad Smith
   - Jonathan Stott
   - Dan Stromberg
@@ -95,9 +101,11 @@ has been important. :-) In alphabetical order:
   - Alexey Tourbin
   - Patrick J. Volkerding
   - Martin Väth
+  - Adam Walling
   - Christian Weisgerber
   - Bert Wesarg
   - Fredrik Wikstrom
+  - Jim Wilcoxson
   - Ralf Wildenhues
   - Charles Wilson
   - Lars Wirzenius

build-aux/version.sh

@@ -21,4 +21,4 @@ sed -n 's/LZMA_VERSION_STABILITY_ALPHA/alpha/
 	src/liblzma/api/lzma/version.h \
 	| tr '\n' '|' \
 	| sed 's/|/./; s/|/./; s/|//g' \
-	| tr -d '\n'
+	| tr -d '\r\n'

configure.ac

@@ -34,8 +34,8 @@ AC_CANONICAL_HOST
 
 # We do some special things on Windows (32-bit or 64-bit) builds.
 case $host_os in
-	mingw* | cygwin*) is_w32=yes ;;
-	*)                is_w32=no ;;
+	mingw* | cygwin | msys) is_w32=yes ;;
+	*)                      is_w32=no ;;
 esac
 AM_CONDITIONAL([COND_W32], [test "$is_w32" = yes])
 
@@ -43,9 +43,15 @@ AM_CONDITIONAL([COND_W32], [test "$is_w32" = yes])
 # executables. Cygwin is an exception to this, since it is recommended
 # that symlinks don't have the .exe suffix. To make this work, we
 # define LN_EXEEXT.
+#
+# MSYS2 is treated the same way as Cygwin. It uses plain "msys" like
+# the original MSYS when building MSYS/MSYS2-binaries. Hopefully this
+# doesn't break things for the original MSYS developers. Note that this
+# doesn't affect normal MSYS/MSYS2 users building non-MSYS/MSYS2 binaries
+# since in that case the $host_os is usually mingw32.
 case $host_os in
-	cygwin)  LN_EXEEXT= ;;
-	*)       LN_EXEEXT='$(EXEEXT)' ;;
+	cygwin | msys)  LN_EXEEXT= ;;
+	*)              LN_EXEEXT='$(EXEEXT)' ;;
 esac
 AC_SUBST([LN_EXEEXT])
 
@@ -91,6 +97,7 @@ AC_ARG_ENABLE([encoders], AS_HELP_STRING([--enable-encoders=LIST],
 	[], [enable_encoders=SUPPORTED_FILTERS])
 enable_encoders=`echo "$enable_encoders" | sed 's/,/ /g'`
 if test "x$enable_encoders" = xno || test "x$enable_encoders" = x; then
+	enable_encoders=no
 	AC_MSG_RESULT([(none)])
 else
 	for arg in $enable_encoders
@@ -108,6 +115,8 @@ else
 				;;
 		esac
 	done
+	AC_DEFINE([HAVE_ENCODERS], [1],
+		[Define to 1 if any of HAVE_ENCODER_foo have been defined.])
 	AC_MSG_RESULT([$enable_encoders])
 fi
 
@@ -118,6 +127,7 @@ AC_ARG_ENABLE([decoders], AS_HELP_STRING([--enable-decoders=LIST],
 	[], [enable_decoders=SUPPORTED_FILTERS])
 enable_decoders=`echo "$enable_decoders" | sed 's/,/ /g'`
 if test "x$enable_decoders" = xno || test "x$enable_decoders" = x; then
+	enable_decoders=no
 	AC_MSG_RESULT([(none)])
 else
 	for arg in $enable_decoders
@@ -135,11 +145,8 @@ else
 				;;
 		esac
 	done
-
-	# LZMA2 requires that LZMA1 is enabled.
-	test "x$enable_encoder_lzma2" = xyes && enable_encoder_lzma1=yes
-	test "x$enable_decoder_lzma2" = xyes && enable_decoder_lzma1=yes
-
+	AC_DEFINE([HAVE_DECODERS], [1],
+		[Define to 1 if any of HAVE_DECODER_foo have been defined.])
 	AC_MSG_RESULT([$enable_decoders])
 fi
 
@@ -148,8 +155,8 @@ if test "x$enable_encoder_lzma2$enable_encoder_lzma1" = xyesno \
 	AC_MSG_ERROR([LZMA2 requires that LZMA1 is also enabled.])
 fi
 
-AM_CONDITIONAL(COND_MAIN_ENCODER, test "x$enable_encoders" != xno && test "x$enable_encoders" != x)
-AM_CONDITIONAL(COND_MAIN_DECODER, test "x$enable_decoders" != xno && test "x$enable_decoders" != x)
+AM_CONDITIONAL(COND_MAIN_ENCODER, test "x$enable_encoders" != xno)
+AM_CONDITIONAL(COND_MAIN_DECODER, test "x$enable_decoders" != xno)
 
 m4_foreach([NAME], [SUPPORTED_FILTERS],
 [AM_CONDITIONAL(COND_FILTER_[]m4_toupper(NAME), test "x$enable_filter_[]NAME" = xyes)
@@ -268,6 +275,20 @@ m4_foreach([NAME], [SUPPORTED_CHECKS],
 [AM_CONDITIONAL(COND_CHECK_[]m4_toupper(NAME), test "x$enable_check_[]NAME" = xyes)
 ])dnl
 
+AC_MSG_CHECKING([if external SHA-256 should be used])
+AC_ARG_ENABLE([external-sha256], AS_HELP_STRING([--enable-external-sha256],
+		[Use SHA-256 code from the operating system.
+		See INSTALL for possible subtle problems.]),
+		[], [enable_external_sha256=no])
+if test "x$enable_check_sha256" != "xyes"; then
+	enable_external_sha256=no
+fi
+if test "x$enable_external_sha256" = xyes; then
+	AC_MSG_RESULT([yes])
+else
+	AC_MSG_RESULT([no])
+fi
+
 
 ###########################
 # Assembler optimizations #
@@ -283,7 +304,7 @@ if test "x$enable_assembler" = xyes; then
 	case $host_os in
 		# Darwin should work too but only if not creating universal
 		# binaries. Solaris x86 could work too but I cannot test.
-		linux* | *bsd* | mingw* | cygwin* | *djgpp*)
+		linux* | *bsd* | mingw* | cygwin | msys | *djgpp*)
 			case $host_cpu in
 				i?86)   enable_assembler=x86 ;;
 				x86_64) enable_assembler=x86_64 ;;
@@ -409,18 +430,21 @@ AM_CONDITIONAL([COND_XZ], [test x$enable_xz != xno])
 AC_ARG_ENABLE([xzdec], [AS_HELP_STRING([--disable-xzdec],
 		[do not build xzdec])],
 	[], [enable_xzdec=yes])
+test "x$enable_decoders" = xno && enable_xzdec=no
 AM_CONDITIONAL([COND_XZDEC], [test x$enable_xzdec != xno])
 
 AC_ARG_ENABLE([lzmadec], [AS_HELP_STRING([--disable-lzmadec],
 		[do not build lzmadec
 		(it exists primarily for LZMA Utils compatibility)])],
 	[], [enable_lzmadec=yes])
+test "x$enable_decoder_lzma1" = xno && enable_lzmadec=no
 AM_CONDITIONAL([COND_LZMADEC], [test x$enable_lzmadec != xno])
 
 AC_ARG_ENABLE([lzmainfo], [AS_HELP_STRING([--disable-lzmainfo],
 		[do not build lzmainfo
 		(it exists primarily for LZMA Utils compatibility)])],
 	[], [enable_lzmainfo=yes])
+test "x$enable_decoder_lzma1" = xno && enable_lzmainfo=no
 AM_CONDITIONAL([COND_LZMAINFO], [test x$enable_lzmainfo != xno])
 
 AC_ARG_ENABLE([lzma-links], [AS_HELP_STRING([--disable-lzma-links],
@@ -468,6 +492,30 @@ AC_MSG_RESULT([$enable_symbol_versions])
 AM_CONDITIONAL([COND_SYMVERS], [test "x$enable_symbol_versions" = xyes])
 
 
+##############
+# Sandboxing #
+##############
+
+AC_MSG_CHECKING([if sandboxing should be used])
+AC_ARG_ENABLE([sandbox], [AS_HELP_STRING([--enable-sandbox=METHOD],
+		[This is an experimental feature.
+		Sandboxing METHOD can be `auto', `no', or `capsicum'.
+		The default is `no'.])],
+	[], [enable_sandbox=no])
+case $enable_sandbox in
+	auto)
+		AC_MSG_RESULT([maybe (autodetect)])
+		;;
+	no | capsicum)
+		AC_MSG_RESULT([$enable_sandbox])
+		;;
+	*)
+		AC_MSG_RESULT([])
+		AC_MSG_ERROR([--enable-sandbox only accepts `auto', `no', or `capsicum'.])
+		;;
+esac
+
+
 ###############################################################################
 # Checks for programs.
 ###############################################################################
@@ -561,7 +609,7 @@ AM_CONDITIONAL([COND_SHARED], [test "x$enable_shared" != xno])
 
 echo
 echo "Initializing gettext:"
-AM_GNU_GETTEXT_VERSION([0.18])
+AM_GNU_GETTEXT_VERSION([0.19])
 AM_GNU_GETTEXT([external])
 
 
@@ -624,10 +672,10 @@ AC_C_BIGENDIAN
 gl_GETOPT
 
 # Find the best function to set timestamps.
-AC_CHECK_FUNCS([futimens futimes futimesat utimes utime], [break])
+AC_CHECK_FUNCS([futimens futimes futimesat utimes _futime utime], [break])
 
-# These are nice to have but not mandatory.
-AC_CHECK_FUNCS([posix_fadvise pipe2])
+# This is nice to have but not mandatory.
+AC_CHECK_FUNCS([posix_fadvise])
 
 TUKLIB_PROGNAME
 TUKLIB_INTEGER
@@ -635,34 +683,34 @@ TUKLIB_PHYSMEM
 TUKLIB_CPUCORES
 TUKLIB_MBSTR
 
-# Check for system-provided SHA-256. At least the following is supported:
+# If requsted, check for system-provided SHA-256. At least the following
+# implementations are supported:
 #
 # OS       Headers                     Library  Type           Function
 # FreeBSD  sys/types.h + sha256.h      libmd    SHA256_CTX     SHA256_Init
 # NetBSD   sys/types.h + sha2.h                 SHA256_CTX     SHA256_Init
 # OpenBSD  sys/types.h + sha2.h                 SHA2_CTX       SHA256Init
 # Solaris  sys/types.h + sha2.h        libmd    SHA256_CTX     SHA256Init
-# MINIX 3  sys/types.h + minix/sha2.h  libutil  SHA256_CTX     SHA256_Init
+# MINIX 3  sys/types.h + sha2.h                 SHA256_CTX     SHA256_Init
 # Darwin   CommonCrypto/CommonDigest.h          CC_SHA256_CTX  CC_SHA256_Init
 #
 # Note that Darwin's CC_SHA256_Update takes buffer size as uint32_t instead
 # of size_t.
 #
-# We don't check for e.g. OpenSSL or libgcrypt because we don't want
-# to introduce dependencies to other packages by default. Maybe such
-# libraries could be supported via additional configure options though.
-#
-if test "x$enable_check_sha256" = "xyes"; then
+sha256_header_found=no
+sha256_type_found=no
+sha256_func_found=no
+if test "x$enable_external_sha256" = "xyes"; then
 	# Test for Common Crypto before others, because Darwin has sha256.h
 	# too and we don't want to use that, because on older versions it
 	# uses OpenSSL functions, whose SHA256_Init is not guaranteed to
 	# succeed.
-	sha256_header_found=no
 	AC_CHECK_HEADERS(
-		[CommonCrypto/CommonDigest.h sha256.h sha2.h minix/sha2.h],
+		[CommonCrypto/CommonDigest.h sha256.h sha2.h],
 		[sha256_header_found=yes ; break])
 	if test "x$sha256_header_found" = xyes; then
-		AC_CHECK_TYPES([CC_SHA256_CTX, SHA256_CTX, SHA2_CTX], [], [],
+		AC_CHECK_TYPES([CC_SHA256_CTX, SHA256_CTX, SHA2_CTX],
+			[sha256_type_found=yes], [],
 			[[#ifdef HAVE_SYS_TYPES_H
 			  # include <sys/types.h>
 			  #endif
@@ -674,20 +722,19 @@ if test "x$enable_check_sha256" = "xyes"; then
 			  #endif
 			  #ifdef HAVE_SHA2_H
 			  # include <sha2.h>
-			  #endif
-			  #ifdef HAVE_MINIX_SHA2_H
-			  # include <minix/sha2.h>
 			  #endif]])
-		AC_SEARCH_LIBS([SHA256_Init], [md util])
-		AC_SEARCH_LIBS([SHA256Init], [md])
-		AC_CHECK_FUNCS([CC_SHA256_Init SHA256_Init SHA256Init],
-			[break])
+		if test "x$sha256_type_found" = xyes ; then
+			AC_SEARCH_LIBS([SHA256Init], [md])
+			AC_SEARCH_LIBS([SHA256_Init], [md])
+			AC_CHECK_FUNCS([CC_SHA256_Init SHA256Init SHA256_Init],
+				[sha256_func_found=yes ; break])
+		fi
 	fi
 fi
-AM_CONDITIONAL([COND_INTERNAL_SHA256],
-	[test "x$ac_cv_func_SHA256_Init" != xyes \
-		&& test "x$ac_cv_func_SHA256Init" != xyes \
-		&& test "x$ac_cv_func_CC_SHA256_Init" != xyes])
+AM_CONDITIONAL([COND_INTERNAL_SHA256], [test "x$sha256_func_found" = xno])
+if test "x$enable_external_sha256$sha256_func_found" = xyesno; then
+	AC_MSG_ERROR([--enable-external-sha256 was specified but no supported external SHA-256 implementation was found])
+fi
 
 # Check for SSE2 intrinsics.
 AC_CHECK_DECL([_mm_movemask_epi8],
@@ -698,6 +745,23 @@ AC_CHECK_DECL([_mm_movemask_epi8],
 #include <immintrin.h>
 #endif])
 
+# Check for sandbox support. If one is found, set enable_sandbox=found.
+case $enable_sandbox in
+	auto | capsicum)
+		AX_CHECK_CAPSICUM([enable_sandbox=found], [:])
+		;;
+esac
+
+# If a specific sandboxing method was explicitly requested and it wasn't
+# found, give an error.
+case $enable_sandbox in
+	auto | no | found)
+		;;
+	*)
+		AC_MSG_ERROR([$enable_sandbox support not found])
+		;;
+esac
+
 
 ###############################################################################
 # If using GCC, set some additional AM_CFLAGS:

dos/config.h

@@ -10,6 +10,9 @@
 /* Define to 1 if sha256 integrity check is enabled. */
 #define HAVE_CHECK_SHA256 1
 
+/* Define to 1 if any of HAVE_DECODER_foo have been defined. */
+#define HAVE_DECODERS 1
+
 /* Define to 1 if arm decoder is enabled. */
 #define HAVE_DECODER_ARM 1
 
@@ -37,6 +40,9 @@
 /* Define to 1 if x86 decoder is enabled. */
 #define HAVE_DECODER_X86 1
 
+/* Define to 1 if any of HAVE_ENCODER_foo have been defined. */
+#define HAVE_ENCODERS 1
+
 /* Define to 1 if arm encoder is enabled. */
 #define HAVE_ENCODER_ARM 1
 

m4/ax_check_capsicum.m4

@@ -0,0 +1,85 @@
+# -*- Autoconf -*-
+
+# SYNOPSIS
+#
+#   AX_CHECK_CAPSICUM([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
+#
+# DESCRIPTION
+#
+#   This macro searches for an installed Capsicum header and library,
+#   and if found:
+#     - AC_DEFINE([HAVE_CAPSICUM]) is called.
+#     - AC_DEFINE([HAVE_SYS_CAPSICUM_H]) is called if <sys/capsicum.h>
+#       is present (otherwise <sys/capability.h> must be used).
+#     - CAPSICUM_LIB is set to the -l option needed to link Capsicum support,
+#       and AC_SUBST([CAPSICUM_LIB]) is called.
+#     - The shell commands in ACTION-IF-FOUND are run. The default
+#       ACTION-IF-FOUND prepends ${CAPSICUM_LIB} into LIBS. If you don't
+#       want to modify LIBS and don't need to run any other commands either,
+#       use a colon as ACTION-IF-FOUND.
+#
+#   If Capsicum support isn't found:
+#     - The shell commands in ACTION-IF-NOT-FOUND are run. The default
+#       ACTION-IF-NOT-FOUND calls AC_MSG_WARN to print a warning that
+#       Capsicum support wasn't found.
+#
+#   You should use autoheader to include a definition for the symbols above
+#   in a config.h file.
+#
+#   Sample usage in a C/C++ source is as follows:
+#
+#     #ifdef HAVE_CAPSICUM
+#     # ifdef HAVE_SYS_CAPSICUM_H
+#     #  include <sys/capsicum.h>
+#     # else
+#     #  include <sys/capability.h>
+#     # endif
+#     #endif /* HAVE_CAPSICUM */
+#
+# LICENSE
+#
+#   Copyright (c) 2014 Google Inc.
+#   Copyright (c) 2015 Lasse Collin <lasse.collin@tukaani.org>
+#
+#   Copying and distribution of this file, with or without modification,
+#   are permitted in any medium without royalty provided the copyright
+#   notice and this notice are preserved.  This file is offered as-is,
+#   without any warranty.
+
+#serial 2
+
+AC_DEFUN([AX_CHECK_CAPSICUM], [
+# On FreeBSD >= 11.x and Linux, Capsicum is uses <sys/capsicum.h>.
+# If this header is found, it is assumed to be the right one.
+capsicum_header_found=no
+AC_CHECK_HEADERS([sys/capsicum.h], [capsicum_header_found=yes])
+if test "$capsicum_header_found" = no ; then
+    # On FreeBSD 10.x Capsicum uses <sys/capability.h>. Such a header exists
+    # on Linux too but it describes POSIX.1e capabilities. Look for the
+    # declaration of cap_rights_limit to check if <sys/capability.h> is
+    # a Capsicum header.
+    AC_CHECK_DECL([cap_rights_limit], [capsicum_header_found=yes], [],
+                  [#include <sys/capability.h>])
+fi
+
+capsicum_lib_found=no
+CAPSICUM_LIB=
+if test "$capsicum_header_found" = yes ; then
+    AC_LANG_PUSH([C])
+    # FreeBSD >= 10.x has Capsicum functions in libc.
+    AC_LINK_IFELSE([AC_LANG_CALL([], [cap_rights_limit])],
+                   [capsicum_lib_found=yes], [])
+    # Linux has Capsicum functions in libcaprights.
+    AC_CHECK_LIB([caprights], [cap_rights_limit],
+                 [CAPSICUM_LIB=-lcaprights
+                  capsicum_lib_found=yes], [])
+    AC_LANG_POP([C])
+fi
+AC_SUBST([CAPSICUM_LIB])
+
+if test "$capsicum_lib_found" = yes ; then
+    AC_DEFINE([HAVE_CAPSICUM], [1], [Define to 1 if Capsicum is available.])
+    m4_default([$1], [LIBS="${CAPSICUM_LIB} $LIBS"])
+else
+    m4_default([$2], [AC_MSG_WARN([Capsicum support not found])])
+fi])

m4/tuklib_cpucores.m4

@@ -10,8 +10,10 @@
 #
 #   Supported methods:
 #     - GetSystemInfo(): Windows (including Cygwin)
+#     - sched_getaffinity(): glibc (GNU/Linux, GNU/kFreeBSD)
+#     - cpuset_getaffinity(): FreeBSD
 #     - sysctl(): BSDs, OS/2
-#     - sysconf(): GNU/Linux, Solaris, Tru64, IRIX, AIX, Cygwin (but
+#     - sysconf(): GNU/Linux, Solaris, Tru64, IRIX, AIX, QNX, Cygwin (but
 #       GetSystemInfo() is used on Cygwin)
 #     - pstat_getdynamic(): HP-UX
 #
@@ -45,8 +47,29 @@ compile error
 #endif
 ]])], [tuklib_cv_cpucores_method=special], [
 
+# glibc-based systems (GNU/Linux and GNU/kFreeBSD) have sched_getaffinity().
+# The CPU_COUNT() macro was added in glibc 2.9 so we try to link the
+# test program instead of merely compiling it. glibc 2.9 is old enough that
+# if someone uses the code on older glibc, the fallback to sysconf() should
+# be good enough.
+AC_LINK_IFELSE([AC_LANG_SOURCE([[
+#include <sched.h>
+int
+main(void)
+{
+	cpu_set_t cpu_mask;
+	sched_getaffinity(0, sizeof(cpu_mask), &cpu_mask);
+	return CPU_COUNT(&cpu_mask);
+}
+]])], [tuklib_cv_cpucores_method=sched_getaffinity], [
+
 # FreeBSD has both cpuset and sysctl. Look for cpuset first because
 # it's a better approach.
+#
+# This test would match on GNU/kFreeBSD too but it would require
+# -lfreebsd-glue when linking and thus in the current form this would
+# fail on GNU/kFreeBSD. The above test for sched_getaffinity() matches
+# on GNU/kFreeBSD so the test below should never run on that OS.
 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 #include <sys/param.h>
 #include <sys/cpuset.h>
@@ -61,10 +84,17 @@ main(void)
 }
 ]])], [tuklib_cv_cpucores_method=cpuset], [
 
-# Look for sysctl() solution first, because on OS/2, both sysconf()
-# and sysctl() pass the tests in this file, but only sysctl()
-# actually works.
+# On OS/2, both sysconf() and sysctl() pass the tests in this file,
+# but only sysctl() works. On QNX it's the opposite: only sysconf() works
+# (although it assumes that _POSIX_SOURCE, _XOPEN_SOURCE, and _POSIX_C_SOURCE
+# are undefined or alternatively _QNX_SOURCE is defined).
+#
+# We test sysctl() first and intentionally break the sysctl() test on QNX
+# so that sysctl() is never used on QNX.
 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#ifdef __QNX__
+compile error
+#endif
 #include <sys/types.h>
 #ifdef HAVE_SYS_PARAM_H
 #	include <sys/param.h>
@@ -113,9 +143,14 @@ main(void)
 ]])], [tuklib_cv_cpucores_method=pstat_getdynamic], [
 
 	tuklib_cv_cpucores_method=unknown
-])])])])])])
+])])])])])])])
 
 case $tuklib_cv_cpucores_method in
+	sched_getaffinity)
+		AC_DEFINE([TUKLIB_CPUCORES_SCHED_GETAFFINITY], [1],
+			[Define to 1 if the number of available CPU cores
+			can be detected with sched_getaffinity()])
+		;;
 	cpuset)
 		AC_DEFINE([TUKLIB_CPUCORES_CPUSET], [1],
 			[Define to 1 if the number of available CPU cores

m4/tuklib_physmem.m4

@@ -10,8 +10,8 @@
 #
 #   Supported methods:
 #
-#     - Windows (including Cygwin), OS/2, DJGPP (DOS), and OpenVMS have
-#       operating-system specific functions.
+#     - Windows (including Cygwin), OS/2, DJGPP (DOS), OpenVMS, AROS,
+#       and QNX have operating-system specific functions.
 #
 #     - AIX has _system_configuration.physmem.
 #
@@ -54,7 +54,7 @@ AC_CACHE_CHECK([how to detect the amount of physical memory],
 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 #if defined(_WIN32) || defined(__CYGWIN__) || defined(__OS2__) \
 		|| defined(__DJGPP__) || defined(__VMS) \
-		|| defined(AMIGA) || defined(__AROS__)
+		|| defined(AMIGA) || defined(__AROS__) || defined(__QNX__)
 int main(void) { return 0; }
 #else
 compile error

po/de.po

@@ -6,9 +6,9 @@ msgid ""
 msgstr ""
 "Project-Id-Version: XZ Utils 4.999.9beta\n"
 "Report-Msgid-Bugs-To: lasse.collin@tukaani.org\n"
-"POT-Creation-Date: 2014-10-13 01:59+0200\n"
-"PO-Revision-Date: 2010-09-07 20:27+0200\n"
-"Last-Translator:  <maan@tuebingen.mpg.de>\n"
+"POT-Creation-Date: 2015-08-07 05:10+0200\n"
+"PO-Revision-Date: 2015-08-07 14:00+0200\n"
+"Last-Translator:  <sqrt@entless.org>\n"
 "Language-Team: German\n"
 "Language: de\n"
 "MIME-Version: 1.0\n"
@@ -33,16 +33,16 @@ msgstr "0 kann nur das letzte Element in --block-list sein"
 #: src/xz/args.c:406
 #, c-format
 msgid "%s: Unknown file format type"
-msgstr "%s: Unbekanntes file format"
+msgstr "%s: Unbekanntes Dateiformat"
 
 #: src/xz/args.c:429 src/xz/args.c:437
 #, c-format
 msgid "%s: Unsupported integrity check type"
-msgstr "%s: Integritäts-Check Typ nicht unterstützt"
+msgstr "%s: Integritäts-Check-Typ nicht unterstützt"
 
 #: src/xz/args.c:473
 msgid "Only one file can be specified with `--files' or `--files0'."
-msgstr "Nur ein file kann als Argument für --files oder --files0 angegeben werden."
+msgstr "Nur eine Datei kann als Argument für --files oder --files0 angegeben werden."
 
 #: src/xz/args.c:541
 #, c-format
@@ -55,31 +55,31 @@ msgstr "Maximal vier Filter möglich"
 
 #: src/xz/coder.c:129
 msgid "Memory usage limit is too low for the given filter setup."
-msgstr "Das Speicher Limit ist zu niedrig für die gegebene Filter Konfiguration."
+msgstr "Das Speicher-Limit ist zu niedrig für die gegebene Filter-Konfiguration."
 
 #: src/xz/coder.c:159
 msgid "Using a preset in raw mode is discouraged."
-msgstr "Verwendung der Voreinstellung im raw Modus wird nicht empfohlen."
+msgstr "Verwendung einer Voreinstellung im Raw-Modus wird nicht empfohlen."
 
 #: src/xz/coder.c:161
 msgid "The exact options of the presets may vary between software versions."
-msgstr "Die genauen Optionen der Voreinstellung können zwischen Software Versionen variieren."
+msgstr "Die genauen Optionen der Voreinstellung können zwischen Softwareversionen variieren."
 
 #: src/xz/coder.c:184
 msgid "The .lzma format supports only the LZMA1 filter"
-msgstr "Das .lzma Format unterstützt nur den LZMA1 Filter"
+msgstr "Das .lzma-Format unterstützt nur den LZMA1-Filter"
 
 #: src/xz/coder.c:192
 msgid "LZMA1 cannot be used with the .xz format"
-msgstr "LZMA1 kann nicht mit dem .xz Format verwendet werden"
+msgstr "LZMA1 kann nicht mit dem .xz-Format verwendet werden"
 
 #: src/xz/coder.c:209
 msgid "The filter chain is incompatible with --flush-timeout"
-msgstr "Diese Filter Kette ist inkompatibel zu --flush-timeout"
+msgstr "Diese Filterkette ist inkompatibel zu --flush-timeout"
 
 #: src/xz/coder.c:215
 msgid "Switching to single-threaded mode due to --flush-timeout"
-msgstr "Schalte um auf Single-Thread Modus wegen --flush-timeout"
+msgstr "Schalte um auf Single-Thread-Modus wegen --flush-timeout"
 
 #: src/xz/coder.c:234
 #, c-format
@@ -93,24 +93,36 @@ msgstr "Optionen nicht unterstützt"
 #: src/xz/coder.c:255
 #, c-format
 msgid "Decompression will need %s MiB of memory."
-msgstr "Dekompression wird %s MiB Speicher brauchen."
+msgstr "Dekomprimierung wird %s MiB Speicher brauchen."
 
 #: src/xz/coder.c:290
 #, c-format
 msgid "Adjusted the number of threads from %s to %s to not exceed the memory usage limit of %s MiB"
-msgstr "Passte die Anzahl Threads von %s auf %s an um nicht das Speicher Nutzungslimit von %s MiB zu übersteigen"
+msgstr "Passte die Anzahl Threads von %s auf %s an um nicht das Speichernutzungslimit von %s MiB zu übersteigen"
 
 #: src/xz/coder.c:344
 #, c-format
 msgid "Adjusted LZMA%c dictionary size from %s MiB to %s MiB to not exceed the memory usage limit of %s MiB"
-msgstr "Passte LZMA%c Wörterbuch Größe von %s MiB to %s MiB an, um nicht das Speicher Nutzungslimit von %s MiB zu übersteigen"
+msgstr "Passte LZMA%c-Wörterbuchgröße von %s MiB to %s MiB an, um nicht das Speichernutzungslimit von %s MiB zu übersteigen"
 
-#: src/xz/file_io.c:90
+#: src/xz/file_io.c:100 src/xz/file_io.c:108
 #, c-format
 msgid "Error creating a pipe: %s"
 msgstr "Fehler beim Erzeugen der Pipeline: %s"
 
-#: src/xz/file_io.c:166
+#: src/xz/file_io.c:163
+msgid "Sandbox is disabled due to incompatible command line arguments"
+msgstr "Sandbox ist wegen inkompatibler Kommandozeilenargumente deaktiviert"
+
+#: src/xz/file_io.c:206
+msgid "Sandbox was successfully enabled"
+msgstr "Sandbox wurde erfolgreich aktiviert"
+
+#: src/xz/file_io.c:210
+msgid "Failed to enable the sandbox"
+msgstr "Konnte Sandbox nicht aktivieren"
+
+#: src/xz/file_io.c:252
 #, c-format
 msgid "%s: poll() failed: %s"
 msgstr "%s: poll() Fehler: %s"
@@ -125,117 +137,107 @@ msgstr "%s: poll() Fehler: %s"
 #. it is possible that the user has put a new file in place
 #. of the original file, and in that case it obviously
 #. shouldn't be removed.
-#: src/xz/file_io.c:236
+#: src/xz/file_io.c:322
 #, c-format
 msgid "%s: File seems to have been moved, not removing"
 msgstr "%s: Datei scheint umbenannt worden zu sein, daher wird sie nicht gelöscht"
 
-#: src/xz/file_io.c:243 src/xz/file_io.c:761
+#: src/xz/file_io.c:329 src/xz/file_io.c:847
 #, c-format
 msgid "%s: Cannot remove: %s"
 msgstr "%s: Kann nicht löschen: %s"
 
-#: src/xz/file_io.c:268
+#: src/xz/file_io.c:354
 #, c-format
 msgid "%s: Cannot set the file owner: %s"
-msgstr "%s: Kann Datei Eigentümer nicht setzen: %s"
+msgstr "%s: Kann Dateieigentümer nicht setzen: %s"
 
-#: src/xz/file_io.c:274
+#: src/xz/file_io.c:360
 #, c-format
 msgid "%s: Cannot set the file group: %s"
-msgstr "%s: Kann Datei Gruppe nicht setzen: %s"
+msgstr "%s: Kann Dateigruppe nicht setzen: %s"
 
-#: src/xz/file_io.c:293
+#: src/xz/file_io.c:379
 #, c-format
 msgid "%s: Cannot set the file permissions: %s"
 msgstr "%s: Kann Zugriffsrechte nicht setzen: %s"
 
-#: src/xz/file_io.c:399
+#: src/xz/file_io.c:489
 #, c-format
 msgid "Error getting the file status flags from standard input: %s"
-msgstr "Kann Status Flags der Standardeingabe nicht ermitteln: %s"
+msgstr "Kann Status-Flags der Standardeingabe nicht ermitteln: %s"
 
-#: src/xz/file_io.c:408
-#, c-format
-msgid "Error setting O_NONBLOCK on standard input: %s"
-msgstr "Fehler beim Setzen des O_NONBLOCK Flags für Standard Output: %s"
-
-#: src/xz/file_io.c:460 src/xz/file_io.c:522
+#: src/xz/file_io.c:543 src/xz/file_io.c:605
 #, c-format
 msgid "%s: Is a symbolic link, skipping"
-msgstr "%s: Überspringe symbolischen Verweis"
+msgstr "%s: Überspringe symbolischen Link"
 
-#: src/xz/file_io.c:551
+#: src/xz/file_io.c:634
 #, c-format
 msgid "%s: Is a directory, skipping"
 msgstr "%s: Überspringe Verzeichnis"
 
-#: src/xz/file_io.c:557
+#: src/xz/file_io.c:640
 #, c-format
 msgid "%s: Not a regular file, skipping"
 msgstr "%s: Keine reguläre Datei, überspringe"
 
-#: src/xz/file_io.c:574
+#: src/xz/file_io.c:657
 #, c-format
 msgid "%s: File has setuid or setgid bit set, skipping"
-msgstr "%s: Datei hat das setuid oder setgid Bit gesetzt, überspringe"
+msgstr "%s: Datei hat das setuid- oder setgid-Bit gesetzt, überspringe"
 
-#: src/xz/file_io.c:581
+#: src/xz/file_io.c:664
 #, c-format
 msgid "%s: File has sticky bit set, skipping"
-msgstr "%s: Datei hat sticky Bit gesetzt, überspringe"
+msgstr "%s: Datei hat sticky-Bit gesetzt, überspringe"
 
-#: src/xz/file_io.c:588
+#: src/xz/file_io.c:671
 #, c-format
 msgid "%s: Input file has more than one hard link, skipping"
-msgstr "%s: Eingabedatei hat mehr als einen hard link, überspringe"
+msgstr "%s: Eingabedatei hat mehr als einen Hard Link, überspringe"
 
-#: src/xz/file_io.c:668
+#: src/xz/file_io.c:756
 #, c-format
 msgid "Error restoring the status flags to standard input: %s"
-msgstr "Fehler beim Wiederherstellen der Status Flags für die Standardausgabe: %s"
+msgstr "Fehler beim Wiederherstellen der Status-Flags für die Standardausgabe: %s"
 
-#: src/xz/file_io.c:714
+#: src/xz/file_io.c:805
 #, c-format
 msgid "Error getting the file status flags from standard output: %s"
-msgstr "Kann Status Flags der Standardausgabe nicht ermitteln: %s"
+msgstr "Kann Status-Flags der Standardausgabe nicht ermitteln: %s"
 
-#: src/xz/file_io.c:723
-#, c-format
-msgid "Error setting O_NONBLOCK on standard output: %s"
-msgstr "Fehler beim Setzen von O_NONBLOCK für die Standardausgabe: %s"
-
-#: src/xz/file_io.c:896
+#: src/xz/file_io.c:983
 #, c-format
 msgid "Error restoring the O_APPEND flag to standard output: %s"
-msgstr "Fehler beim Wiederherstellen des O_APPEND flags bei Standard Output: %s"
+msgstr "Fehler beim Wiederherstellen des O_APPEND-Flags bei Standardausgabe: %s"
 
-#: src/xz/file_io.c:908
+#: src/xz/file_io.c:995
 #, c-format
 msgid "%s: Closing the file failed: %s"
 msgstr "%s: Fehler beim Schließen der Datei: %s"
 
-#: src/xz/file_io.c:944 src/xz/file_io.c:1170
+#: src/xz/file_io.c:1031 src/xz/file_io.c:1257
 #, c-format
 msgid "%s: Seeking failed when trying to create a sparse file: %s"
-msgstr "%s: Positionierungsfehler beim Versuch eine sparse Datei zu erzeugen: %s"
+msgstr "%s: Positionierungsfehler beim Versuch eine sparse (dünnbesetzte) Datei zu erzeugen: %s"
 
-#: src/xz/file_io.c:1039
+#: src/xz/file_io.c:1126
 #, c-format
 msgid "%s: Read error: %s"
 msgstr "%s: Lesefehler: %s"
 
-#: src/xz/file_io.c:1059
+#: src/xz/file_io.c:1146
 #, c-format
 msgid "%s: Error seeking the file: %s"
 msgstr "%s: Fehler beim Lesen der Dateinamen: %s"
 
-#: src/xz/file_io.c:1069
+#: src/xz/file_io.c:1156
 #, c-format
 msgid "%s: Unexpected end of file"
 msgstr "%s: Unerwartetes Ende der Datei"
 
-#: src/xz/file_io.c:1128
+#: src/xz/file_io.c:1215
 #, c-format
 msgid "%s: Write error: %s"
 msgstr "%s: Schreibfehler: %s"
@@ -248,15 +250,15 @@ msgstr "Deaktiviert"
 #. the alignment looks nice.
 #: src/xz/hardware.c:126
 msgid "Total amount of physical memory (RAM): "
-msgstr "Gesamtmenge physikalischer Speicher (RAM): "
+msgstr "Gesamtmenge physikalischer Speicher (RAM):  "
 
 #: src/xz/hardware.c:128
 msgid "Memory usage limit for compression:    "
-msgstr "Speicher Nutzungslimit für Kompression:    "
+msgstr "Speichernutzungslimit für Komprimierung:    "
 
 #: src/xz/hardware.c:130
 msgid "Memory usage limit for decompression:  "
-msgstr "Speicher Nutzungslimit für Dekompression:  "
+msgstr "Speichernutzungslimit für Dekomprimierung:  "
 
 #. TRANSLATORS: Indicates that there is no integrity check.
 #. This string is used in tables, so the width must not
@@ -326,7 +328,7 @@ msgstr "%s: Datei ist leer"
 #: src/xz/list.c:158
 #, c-format
 msgid "%s: Too small to be a valid .xz file"
-msgstr "%s: Zu klein um ein gültiges .xz file zu sein"
+msgstr "%s: Zu klein um eine gültige .xz-Datei zu sein"
 
 #. TRANSLATORS: These are column headings. From Strms (Streams)
 #. to Ratio, the columns are right aligned. Check and Filename
@@ -369,7 +371,7 @@ msgstr "  Check:               %s\n"
 #: src/xz/list.c:724
 #, c-format
 msgid "  Stream padding:     %s\n"
-msgstr "  Strom Auffüllung:    %s\n"
+msgstr "  Strom-Auffüllung:    %s\n"
 
 #. TRANSLATORS: The second line is column headings. All except
 #. Check are right aligned; Check is left aligned. Test with
@@ -426,7 +428,7 @@ msgstr "Nein"
 #: src/xz/list.c:901 src/xz/list.c:1076
 #, c-format
 msgid "  Minimum XZ Utils version: %s\n"
-msgstr "  Kleinste XZ Utils version: %s\n"
+msgstr "  Kleinste XZ Utils-Version: %s\n"
 
 #. TRANSLATORS: %s is an integer. Only the plural form of this
 #. message is used (e.g. "2 files"). Test with "xz -l foo.xz bar.xz".
@@ -448,7 +450,7 @@ msgstr "   Anzahl Dateien:     %s\n"
 
 #: src/xz/list.c:1140
 msgid "--list works only on .xz files (--format=xz or --format=auto)"
-msgstr "--list funktioniert nur mit .xz Dateien (--format=xz oder --format=auto)"
+msgstr "--list funktioniert nur mit .xz-Dateien (--format=xz oder --format=auto)"
 
 #: src/xz/list.c:1146
 msgid "--list does not support reading from standard input"
@@ -467,13 +469,13 @@ msgstr "%s: Unerwartetes Ende beim Lesen der Dateinamen"
 #: src/xz/main.c:120
 #, c-format
 msgid "%s: Null character found when reading filenames; maybe you meant to use `--files0' instead of `--files'?"
-msgstr "%s: Null Charakter gefunden beim Lesen der Dateinamen; Meinten Sie `--files0' statt `--files'?"
+msgstr "%s: Null-Zeichen gefunden beim Lesen der Dateinamen; Meinten Sie `--files0' statt `--files'?"
 
 #: src/xz/main.c:174
 msgid "Compression and decompression with --robot are not supported yet."
-msgstr "Kompression und Dekompression mit --robot ist noch nicht unterstützt."
+msgstr "Komprimierung und Dekomprimierung mit --robot ist noch nicht unterstützt."
 
-#: src/xz/main.c:231
+#: src/xz/main.c:249
 msgid "Cannot read data from standard input when reading filenames from standard input"
 msgstr "Lesen der Standardeingabe ist nicht möglich, wenn die Dateinamen auch von der Standardeingabe gelesen werden"
 
@@ -481,68 +483,68 @@ msgstr "Lesen der Standardeingabe ist nicht möglich, wenn die Dateinamen auch v
 #. of the line in messages. Usually it becomes "xz: ".
 #. This is a translatable string because French needs
 #. a space before a colon.
-#: src/xz/message.c:713
+#: src/xz/message.c:714
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/xz/message.c:776 src/xz/message.c:826
+#: src/xz/message.c:777 src/xz/message.c:827
 msgid "Internal error (bug)"
 msgstr "Interner Fehler (Bug)"
 
-#: src/xz/message.c:783
+#: src/xz/message.c:784
 msgid "Cannot establish signal handlers"
-msgstr "Kann Signal Routine nicht setzen"
+msgstr "Kann Signalroutine nicht setzen"
 
-#: src/xz/message.c:792
+#: src/xz/message.c:793
 msgid "No integrity check; not verifying file integrity"
 msgstr "Kein Integritäts-Check; werde Datei-Integrität nicht überprüfen"
 
-#: src/xz/message.c:795
+#: src/xz/message.c:796
 msgid "Unsupported type of integrity check; not verifying file integrity"
 msgstr "Typ des Integritäts-Checks nicht unterstützt; werde Datei-Integrität nicht überprüfen"
 
-#: src/xz/message.c:802
+#: src/xz/message.c:803
 msgid "Memory usage limit reached"
-msgstr "Speicher-Limit erreicht"
+msgstr "Speichernutzungslimit erreicht"
 
-#: src/xz/message.c:805
+#: src/xz/message.c:806
 msgid "File format not recognized"
-msgstr "Datei Format nicht erkannt"
+msgstr "Dateiformat nicht erkannt"
 
-#: src/xz/message.c:808
+#: src/xz/message.c:809
 msgid "Unsupported options"
 msgstr "Optionen nicht unterstützt"
 
-#: src/xz/message.c:811
+#: src/xz/message.c:812
 msgid "Compressed data is corrupt"
 msgstr "Komprimierte Daten sind korrupt"
 
-#: src/xz/message.c:814
+#: src/xz/message.c:815
 msgid "Unexpected end of input"
-msgstr "Unerwartetes Eingabe Ende"
+msgstr "Unerwartetes Ende der Eingabe"
 
-#: src/xz/message.c:847
+#: src/xz/message.c:848
 #, c-format
 msgid "%s MiB of memory is required. The limiter is disabled."
 msgstr "%s MiB Speicher wird benötigt. Der Begrenzer ist deaktiviert."
 
-#: src/xz/message.c:875
+#: src/xz/message.c:876
 #, c-format
 msgid "%s MiB of memory is required. The limit is %s."
 msgstr "%s MiB Speicher wird benötigt. Limit ist %s."
 
-#: src/xz/message.c:1042
+#: src/xz/message.c:1043
 #, c-format
 msgid "%s: Filter chain: %s\n"
-msgstr "%s: Filter Kette: %s\n"
+msgstr "%s: Filterkette: %s\n"
 
-#: src/xz/message.c:1052
+#: src/xz/message.c:1053
 #, c-format
 msgid "Try `%s --help' for more information."
 msgstr "Versuchen Sie `%s --help' für mehr Informationen."
 
-#: src/xz/message.c:1078
+#: src/xz/message.c:1079
 #, c-format
 msgid ""
 "Usage: %s [OPTION]... [FILE]...\n"
@@ -550,32 +552,32 @@ msgid ""
 "\n"
 msgstr ""
 "Benutzung: %s [OPTION]... [DATEI]...\n"
-"Komprimiert oder dekomprimiert .xz DATEI(EN).\n"
+"Komprimiert oder dekomprimiert .xz-DATEI(EN).\n"
 "\n"
 
-#: src/xz/message.c:1085
+#: src/xz/message.c:1086
 msgid "Mandatory arguments to long options are mandatory for short options too.\n"
 msgstr ""
 "Obligatorische Argumente für lange Optionen sind auch für kurze Optionen\n"
 "zwingend.\n"
 
-#: src/xz/message.c:1089
+#: src/xz/message.c:1090
 msgid " Operation mode:\n"
 msgstr " Operationsmodus:\n"
 
-#: src/xz/message.c:1092
+#: src/xz/message.c:1093
 msgid ""
 "  -z, --compress      force compression\n"
 "  -d, --decompress    force decompression\n"
 "  -t, --test          test compressed file integrity\n"
 "  -l, --list          list information about .xz files"
 msgstr ""
-"  -z, --compress        erzwinge Komprimierung\n"
-"  -d, --decompress      erzwinge Dekomprimierung\n"
-"  -t, --test            überprüfe Datei Integrität\n"
-"  -l, --list            liste Datei Informationen"
+"  -z, --compress        Erzwinge Komprimierung\n"
+"  -d, --decompress      Erzwinge Dekomprimierung\n"
+"  -t, --test            Überprüfe Dateiintegrität\n"
+"  -l, --list            Führe Dateiinformationen auf"
 
-#: src/xz/message.c:1098
+#: src/xz/message.c:1099
 msgid ""
 "\n"
 " Operation modifiers:\n"
@@ -583,27 +585,27 @@ msgstr ""
 "\n"
 " Operationsmodifikatoren:\n"
 
-#: src/xz/message.c:1101
+#: src/xz/message.c:1102
 msgid ""
 "  -k, --keep          keep (don't delete) input files\n"
 "  -f, --force         force overwrite of output file and (de)compress links\n"
 "  -c, --stdout        write to standard output and don't delete input files"
 msgstr ""
 "  -k, --keep            Eingabedateien beibehalten (nicht löschen)\n"
-"  -f, --force           erzwinge Überschreiben der Ausgabedatei und\n"
+"  -f, --force           Erzwinge Überschreiben der Ausgabedatei und\n"
 "                        (de)komprimiere Verweise (Links)\n"
-"  -c, --stdout          schreibe nach Standard Output und lösche nicht die\n"
+"  -c, --stdout          Schreibe nach Standardausgabe und lösche nicht die\n"
 "                        Eingabedateien"
 
-#: src/xz/message.c:1107
+#: src/xz/message.c:1108
 msgid ""
 "      --single-stream decompress only the first stream, and silently\n"
 "                      ignore possible remaining input data"
 msgstr ""
-"      --single-stream   dekomprimiere nur den ersten Datenstrom und ignoriere\n"
+"      --single-stream   Dekomprimiere nur den ersten Datenstrom und ignoriere\n"
 "                        stillschweigend mögliche weitere Eingabedaten"
 
-#: src/xz/message.c:1110
+#: src/xz/message.c:1111
 msgid ""
 "      --no-sparse     do not create sparse files when decompressing\n"
 "  -S, --suffix=.SUF   use the suffix `.SUF' on compressed files\n"
@@ -612,23 +614,24 @@ msgid ""
 "                      filenames must be terminated with the newline character\n"
 "      --files0[=FILE] like --files but use the null character as terminator"
 msgstr ""
-"      --no-sparse       erzeuge keine sparse Datei beim Dekomprimieren\n"
-"  -S, --suffix=.SUF     benutze `.SUF' Endung für komprimierte Dateien\n"
-"      --files=[DATEI]   lese zu verarbeitende Dateinamen von DATEI; falls\n"
+"      --no-sparse       Erzeuge beim Dekomprimieren keine dünnbesetzten\n"
+"                        (sparse) Dateien\n"
+"  -S, --suffix=.SUF     Benutze `.SUF' als Endung für komprimierte Dateien\n"
+"      --files=[DATEI]   Lese zu verarbeitende Dateinamen von DATEI; falls\n"
 "                        DATEI nicht angegeben wurde, werden Dateinamen\n"
-"                        von Standard Input gelesen. Dateinamen müssen mit\n"
+"                        von der Standardeingabe gelesen. Dateinamen müssen mit\n"
 "                        einem Zeilenumbruch voneinander getrennt werden\n"
-"      --files0=[DATEI]  wie --files, aber benutze den Null Charakter als Trenner"
+"      --files0=[DATEI]  Wie --files, aber benutze das Null-Zeichen als Trenner"
 
-#: src/xz/message.c:1119
+#: src/xz/message.c:1120
 msgid ""
 "\n"
 " Basic file format and compression options:\n"
 msgstr ""
 "\n"
-" Grundlegende Optionen für Dateiformat und Kompression:\n"
+" Grundlegende Optionen für Dateiformat und Komprimierung:\n"
 
-#: src/xz/message.c:1121
+#: src/xz/message.c:1122
 msgid ""
 "  -F, --format=FMT    file format to encode or decode; possible values are\n"
 "                      `auto' (default), `xz', `lzma', and `raw'\n"
@@ -641,61 +644,61 @@ msgstr ""
 "  -C, --check=CHECK     Typ des Integritätschecks: `none' (Vorsicht), `crc32',\n"
 "                        `crc64' (Voreinstellung), oder `sha256'"
 
-#: src/xz/message.c:1126
+#: src/xz/message.c:1127
 msgid "      --ignore-check  don't verify the integrity check when decompressing"
 msgstr "     --ignore-check     überprüfe nicht den Integritätscheck beim Dekomprimieren"
 
-#: src/xz/message.c:1130
+#: src/xz/message.c:1131
 msgid ""
 "  -0 ... -9           compression preset; default is 6; take compressor *and*\n"
 "                      decompressor memory usage into account before using 7-9!"
 msgstr ""
 "  -0 .. -9              Kompressionseinstellung; Voreinstellung is 6. Beachten\n"
-"                        Sie den Speicherverbrauch des Komprimieres *und* des\n"
+"                        Sie den Speicherverbrauch des Komprimierers *und* des\n"
 "                        Dekomprimierers, wenn Sie 7-9 benutzen!"
 
-#: src/xz/message.c:1134
+#: src/xz/message.c:1135
 msgid ""
 "  -e, --extreme       try to improve compression ratio by using more CPU time;\n"
 "                      does not affect decompressor memory requirements"
 msgstr ""
-"  -e, --extreme         Versuche durch stärkere CPU Nutzung das Kompressions-\n"
-"                        verhältnis zu verbessern. Das beeinflusst nicht den\n"
+"  -e, --extreme         Versuche durch stärkere CPU-Nutzung das Kompressions-\n"
+"                        verhältnis zu verbessern. Dies beeinflusst nicht den\n"
 "                        Speicherbedarf des Dekomprimierers."
 
-#: src/xz/message.c:1138
+#: src/xz/message.c:1139
 msgid ""
 "  -T, --threads=NUM   use at most NUM threads; the default is 1; set to 0\n"
 "                      to use as many threads as there are processor cores"
 msgstr ""
-"  -T, --threads=ZAHL    erzeuge höchstens ZAHL viele Threads; die Grund-\n"
+"  -T, --threads=ZAHL    Erzeuge höchstens ZAHL viele Threads; die Grund-\n"
 "                        einstellung ist 1. Wenn der Wert 0 angegeben wird, dann\n"
-"                        werden so viele Threads erzeugt wie es Prozessor Kerne\n"
+"                        werden so viele Threads erzeugt, wie es Prozessorkerne\n"
 "                        gibt"
 
-#: src/xz/message.c:1143
+#: src/xz/message.c:1144
 msgid ""
 "      --block-size=SIZE\n"
 "                      start a new .xz block after every SIZE bytes of input;\n"
 "                      use this to set the block size for threaded compression"
 msgstr ""
-"      --block-size=GRÖßE\n"
-"                        beginne einen neuen .xz Block nach GRÖßE Input Bytes;\n"
+"      --block-size=GRÖẞE\n"
+"                        Beginne einen neuen .xz-Block nach GRÖẞE Bytes Eingabe;\n"
 "                        Benutzen Sie diese Option um die Block Größe für\n"
-"                        Kompression mit mehreren Threads zu setzen"
+"                        Komprimierung mit mehreren Threads zu setzen"
 
-#: src/xz/message.c:1147
+#: src/xz/message.c:1148
 msgid ""
 "      --block-list=SIZES\n"
 "                      start a new .xz block after the given comma-separated\n"
 "                      intervals of uncompressed data"
 msgstr ""
-"      --block-list=GRÖßEN\n"
-"                        beginne einen neuen .xz Block gemäß der angegebenen,\n"
+"      --block-list=GRÖẞEN\n"
+"                        Beginne einen neuen .xz-Block gemäß der angegebenen,\n"
 "                        durch Kommata getrennten Intervalle an unkomprimierten\n"
 "                        Daten"
 
-#: src/xz/message.c:1151
+#: src/xz/message.c:1152
 msgid ""
 "      --flush-timeout=TIMEOUT\n"
 "                      when compressing, if more than TIMEOUT milliseconds has\n"
@@ -703,13 +706,13 @@ msgid ""
 "                      would block, all pending data is flushed out"
 msgstr ""
 "      --flush-timeout=ZEITÜBERSCHREITUNG\n"
-"                        wenn beim Komprimieren mehr als ZEITÜBERSCHREITUNG\n"
-"                        Millisekunden vergangen sind seit der letzten Flush\n"
-"                        Operation, und das Lesen von zusätzlichem Input den\n"
-"                        Prozess blockieren würde, dann werden alle noch aus-\n"
-"                        stehenden Daten geschrieben"
+"                        Wenn beim Komprimieren mehr als ZEITÜBERSCHREITUNG\n"
+"                        Millisekunden seit der letzten Flush-Operation ver-\n"
+"                        gangen sind und das Lesen von zusätzlichen Eingabe-\n"
+"                        daten den Prozess blockieren würde, dann werden alle\n"
+"                        noch ausstehenden Daten geschrieben"
 
-#: src/xz/message.c:1157
+#: src/xz/message.c:1158
 #, no-c-format
 msgid ""
 "      --memlimit-compress=LIMIT\n"
@@ -720,28 +723,28 @@ msgid ""
 msgstr ""
 "      --memlimit-compress=LIMIT\n"
 "      --memlimit-decompress=LIMIT\n"
-"  -M, --memlimit=LIMIT  Setze Speicher Nutzungslimit für Kompression,\n"
-"                        Dekompression, oder beides; LIMIT ist in bytes, % RAM,\n"
-"                        oder 0 für Grundeinstellungen."
+"  -M, --memlimit=LIMIT  Setze Speichernutzungslimit für Komprimierung,\n"
+"                        Dekomprimierung, oder beides; LIMIT ist in Bytes, % RAM,\n"
+"                        oder 0 für Verwenden der Grundeinstellungen."
 
-#: src/xz/message.c:1164
+#: src/xz/message.c:1165
 msgid ""
 "      --no-adjust     if compression settings exceed the memory usage limit,\n"
 "                      give an error instead of adjusting the settings downwards"
 msgstr ""
-"      --no-adjust       Wenn die Kompressionseinstellungen das Speicher\n"
-"                        Nutzungslimit übersteigen, erzeuge einen Fehler statt\n"
+"      --no-adjust       Wenn die Kompressionseinstellungen das Speicher-\n"
+"                        nutzungslimit übersteigen, erzeuge einen Fehler statt\n"
 "                        die Einstellungen nach unten anzupassen."
 
-#: src/xz/message.c:1170
+#: src/xz/message.c:1171
 msgid ""
 "\n"
 " Custom filter chain for compression (alternative for using presets):"
 msgstr ""
 "\n"
-" User-definierte Filter Kette für Kompression (alternativ zu Voreinstellung):"
+" Benutzerdef. Filterkette für Komprimierung (alternativ zu Voreinstellung):"
 
-#: src/xz/message.c:1179
+#: src/xz/message.c:1180
 msgid ""
 "\n"
 "  --lzma1[=OPTS]      LZMA1 or LZMA2; OPTS is a comma-separated list of zero or\n"
@@ -758,14 +761,14 @@ msgid ""
 msgstr ""
 "\n"
 "  --lzma1[=OPTIONEN]    LZMA1 oder LZMA2; OPTIONEN ist eine durch Kommata\n"
-"  --lzma2[=OPTIONEN]    getrennte Liste bestehend aus den folgenden Optionen\n"
+"  --lzma2[=OPTIONEN]    Getrennte Liste bestehend aus den folgenden Optionen\n"
 "                        (zulässige Werte; Voreinstellung):\n"
 "                          preset=NUM Setze Optionen zurück zu Voreinstellung\n"
 "                                     (0-9[e])\n"
-"                          dict=NUM   Wörterbuch Größe (4 KiB - 1536 MiB; 8 MiB)\n"
-"                          lc=NUM     Anzahl der Literal Kontext Bits (0-4; 3)\n"
-"                          lp=NUM     Anzahl der Literal Positionsbits (0-4; 0)\n"
-"                          pb=NUM     Anzahl der Positionsbits (0-4; 2)\n"
+"                          dict=NUM   Wörterbuchgröße (4 KiB - 1536 MiB; 8 MiB)\n"
+"                          lc=NUM     Anzahl der Literal-Kontext-Bits (0-4; 3)\n"
+"                          lp=NUM     Anzahl der Literal-Positions-Bits (0-4; 0)\n"
+"                          pb=NUM     Anzahl der Positions-Bits (0-4; 2)\n"
 "                          mode=MODUS Kompressionsmodus (fast, normal; normal)\n"
 "                          nice=NUM   Nice-Länge eines Treffers (2-273; 64)\n"
 "                          mf=NAME    Algorithmus zum Auffinden von\n"
@@ -774,7 +777,7 @@ msgstr ""
 "                          depth=NUM  Maximale Suchtiefe; 0=automatisch\n"
 "                                     (Voreinstellung)"
 
-#: src/xz/message.c:1194
+#: src/xz/message.c:1195
 msgid ""
 "\n"
 "  --x86[=OPTS]        x86 BCJ filter (32-bit and 64-bit)\n"
@@ -787,17 +790,17 @@ msgid ""
 "                        start=NUM  start offset for conversions (default=0)"
 msgstr ""
 "\n"
-"  --x86[=OPTIONEN]      x86 BCJ Filter (32-bit und 64-bit)\n"
-"  --powerpc[=OPTIONEN]  PowerPC BCJ Filter (nur big endian)\n"
-"  --ia64[=OPTIONEN]     IA64 (Itanium) BCJ Filter\n"
-"  --arm[=OPTIONEN]      ARM BCJ Filter (nur little endian)\n"
-"  --armthumb[=OPTIONEN] ARM-Thumb BCJ Filter (nur little endian)\n"
-"  --sparc[=OPTIONEN]    SPARC BCJ Filter\n"
-"                        Zulässige Optionen für alle BCJ Filter:\n"
+"  --x86[=OPTIONEN]      x86 BCJ-Filter (32-bit und 64-bit)\n"
+"  --powerpc[=OPTIONEN]  PowerPC-BCJ-Filter (nur Big Endian)\n"
+"  --ia64[=OPTIONEN]     IA64-(Itanium-)BCJ-Filter\n"
+"  --arm[=OPTIONEN]      ARM-BCJ-Filter (nur Little Endian)\n"
+"  --armthumb[=OPTIONEN] ARM-Thumb-BCJ-Filter (nur Little Endian)\n"
+"  --sparc[=OPTIONEN]    SPARC-BCJ-Filter\n"
+"                        Zulässige Optionen für alle BCJ-Filter:\n"
 "                          start=NUM  Start-Offset für Konversion\n"
 "                          (Voreinstellung=0)"
 
-#: src/xz/message.c:1206
+#: src/xz/message.c:1207
 msgid ""
 "\n"
 "  --delta[=OPTS]      Delta filter; valid OPTS (valid values; default):\n"
@@ -805,12 +808,12 @@ msgid ""
 "                                   from each other (1-256; 1)"
 msgstr ""
 "\n"
-"  --delta[=OPTIONEN]    Delta Filter; zulässige Optionen (gültige Werte;\n"
+"  --delta[=OPTIONEN]    Delta-Filter; zulässige Optionen (gültige Werte;\n"
 "                        Voreinstellung):\n"
 "                          dist=NUM  Abstand zwischen den Bytes, die voneinander\n"
 "                                    subtrahiert werden (1-256; 1)"
 
-#: src/xz/message.c:1214
+#: src/xz/message.c:1215
 msgid ""
 "\n"
 " Other options:\n"
@@ -818,55 +821,55 @@ msgstr ""
 "\n"
 " Andere Optionen:\n"
 
-#: src/xz/message.c:1217
+#: src/xz/message.c:1218
 msgid ""
 "  -q, --quiet         suppress warnings; specify twice to suppress errors too\n"
 "  -v, --verbose       be verbose; specify twice for even more verbose"
 msgstr ""
-"  -q, --quiet           unterdrücke Warnungen; benutze diese Option zweimal\n"
+"  -q, --quiet           Unterdrücke Warnungen; benutze diese Option zweimal\n"
 "                        um auch Fehlermeldungen zu unterdrücken\n"
-"  -v, --verbose         sei gesprächig; benutze diese Option zweimal um noch\n"
+"  -v, --verbose         Sei gesprächig; benutze diese Option zweimal um noch\n"
 "                        gesprächiger zu sein"
 
-#: src/xz/message.c:1222
+#: src/xz/message.c:1223
 msgid "  -Q, --no-warn       make warnings not affect the exit status"
-msgstr "  -Q, --no-warn         Warnungen verändern nicht den exit status"
+msgstr "  -Q, --no-warn         Warnungen verändern nicht den Exit Status"
 
-#: src/xz/message.c:1224
+#: src/xz/message.c:1225
 msgid "      --robot         use machine-parsable messages (useful for scripts)"
 msgstr ""
-"      --robot           benutze Maschinen-lesbare Meldungen (nützlich für\n"
+"      --robot           Benutze maschinen-lesbare Meldungen (nützlich für\n"
 "                        Skripte)"
 
-#: src/xz/message.c:1227
+#: src/xz/message.c:1228
 msgid ""
 "      --info-memory   display the total amount of RAM and the currently active\n"
 "                      memory usage limits, and exit"
-msgstr "      --info-memory     zeige Speicherlimit an und terminiere"
+msgstr "      --info-memory     Zeige Speicherlimit an und terminiere"
 
-#: src/xz/message.c:1230
+#: src/xz/message.c:1231
 msgid ""
 "  -h, --help          display the short help (lists only the basic options)\n"
 "  -H, --long-help     display this long help and exit"
 msgstr ""
-"  -h, --help            zeige kurze Hilfe and (zeigt nur die grundlegenden\n"
+"  -h, --help            Zeige kurze Hilfe an (zeigt nur die grundlegenden\n"
 "                        Optionen)\n"
-"  -H, --long-help       zeige diese lange Hilfe an und terminiere"
+"  -H, --long-help       Zeige diese lange Hilfe an und terminiere"
 
-#: src/xz/message.c:1234
+#: src/xz/message.c:1235
 msgid ""
 "  -h, --help          display this short help and exit\n"
 "  -H, --long-help     display the long help (lists also the advanced options)"
 msgstr ""
-"  -h, --help            zeige diese kurze Hilfe an und terminiere\n"
-"  -H, --long-help       zeige die lange Hilfe an (zeigt auch fortgeschrittene\n"
+"  -h, --help            Zeige diese kurze Hilfe an und terminiere\n"
+"  -H, --long-help       Zeige die lange Hilfe an (zeigt auch fortgeschrittene\n"
 "                        Optionen an)"
 
-#: src/xz/message.c:1239
+#: src/xz/message.c:1240
 msgid "  -V, --version       display the version number and exit"
-msgstr "  -V, --version         zeige Versionsnummer an und terminiere"
+msgstr "  -V, --version         Zeige Versionsnummer an und terminiere"
 
-#: src/xz/message.c:1241
+#: src/xz/message.c:1242
 msgid ""
 "\n"
 "With no FILE, or when FILE is -, read standard input.\n"
@@ -879,21 +882,21 @@ msgstr ""
 #. for this package. Please add _another line_ saying
 #. "Report translation bugs to <...>\n" with the email or WWW
 #. address for translation bugs. Thanks.
-#: src/xz/message.c:1247
+#: src/xz/message.c:1248
 #, c-format
 msgid "Report bugs to <%s> (in English or Finnish).\n"
 msgstr ""
-"Melde Bugs an <%s> (in englisch oder finnisch).\n"
-"Melde Übersetzungsfehler an <maan@tuebingen.mpg.de> (in englisch oder deutsch).\n"
+"Melde Bugs an <%s> (auf Englisch oder Finnisch).\n"
+"Melde Übersetzungsfehler an <maan@tuebingen.mpg.de> (auf Engl. oder Deutsch).\n"
 
-#: src/xz/message.c:1249
+#: src/xz/message.c:1250
 #, c-format
 msgid "%s home page: <%s>\n"
 msgstr "%s Homepage: <%s>\n"
 
-#: src/xz/message.c:1253
+#: src/xz/message.c:1254
 msgid "THIS IS A DEVELOPMENT VERSION NOT INTENDED FOR PRODUCTION USE."
-msgstr "DAS IST EINE ENTWICKLERVERSION, DIE NICHT FÜR DEN PRODUKTIVBETRIEB GEEIGNET IST."
+msgstr "DIES IST EINE NICHT FÜR DEN PRODUKTIVBETRIEB GEEIGNETE ENTWICKLERVERSION."
 
 #: src/xz/options.c:86
 #, c-format
@@ -937,12 +940,12 @@ msgstr "%s: Dateiname hat unbekannte Endung, überspringe"
 #: src/xz/suffix.c:185
 #, c-format
 msgid "%s: File already has `%s' suffix, skipping"
-msgstr "%s: Datei hat bereits `%s' Endung, überspringe"
+msgstr "%s: Datei hat bereits `%s'-Endung, überspringe"
 
 #: src/xz/suffix.c:393
 #, c-format
 msgid "%s: Invalid filename suffix"
-msgstr "%s: Ungültige Datei Endung"
+msgstr "%s: Ungültige Dateiendung"
 
 #: src/xz/util.c:71
 #, c-format
@@ -965,7 +968,7 @@ msgstr "Wert der Option `%s' muss im Bereich [%<PRIu64>, %<PRIu64>] sein"
 
 #: src/xz/util.c:257
 msgid "Empty filename, skipping"
-msgstr "Leere Dateiname, überspringe"
+msgstr "Leerer Dateiname, überspringe"
 
 #: src/xz/util.c:271
 msgid "Compressed data cannot be read from a terminal"
@@ -982,3 +985,9 @@ msgstr "Schreiben auf die Standardausgabe fehlgeschlagen"
 #: src/common/tuklib_exit.c:42
 msgid "Unknown error"
 msgstr "Unbekannter Fehler"
+
+#~ msgid "Error setting O_NONBLOCK on standard input: %s"
+#~ msgstr "Fehler beim Setzen des O_NONBLOCK-Flags für Standardausgabe: %s"
+
+#~ msgid "Error setting O_NONBLOCK on standard output: %s"
+#~ msgstr "Fehler beim Setzen von O_NONBLOCK für die Standardausgabe: %s"

src/common/tuklib_cpucores.c

@@ -18,6 +18,10 @@
 #	endif
 #	include <windows.h>
 
+// glibc >= 2.9
+#elif defined(TUKLIB_CPUCORES_SCHED_GETAFFINITY)
+#	include <sched.h>
+
 // FreeBSD
 #elif defined(TUKLIB_CPUCORES_CPUSET)
 #	include <sys/param.h>
@@ -49,6 +53,11 @@ tuklib_cpucores(void)
 	GetSystemInfo(&sysinfo);
 	ret = sysinfo.dwNumberOfProcessors;
 
+#elif defined(TUKLIB_CPUCORES_SCHED_GETAFFINITY)
+	cpu_set_t cpu_mask;
+	if (sched_getaffinity(0, sizeof(cpu_mask), &cpu_mask) == 0)
+		ret = CPU_COUNT(&cpu_mask);
+
 #elif defined(TUKLIB_CPUCORES_CPUSET)
 	cpuset_t set;
 	if (cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, -1,

src/common/tuklib_physmem.c

@@ -37,7 +37,10 @@
 #	define __USE_INLINE__
 #	include <proto/exec.h>
 
-// AIX
+#elif defined(__QNX__)
+#	include <sys/syspage.h>
+#	include <string.h>
+
 #elif defined(TUKLIB_PHYSMEM_AIX)
 #	include <sys/systemcfg.h>
 
@@ -83,7 +86,8 @@ tuklib_physmem(void)
 		// GlobalMemoryStatusEx() conditionally.
 		HMODULE kernel32 = GetModuleHandle("kernel32.dll");
 		if (kernel32 != NULL) {
-			BOOL (WINAPI *gmse)(LPMEMORYSTATUSEX) = GetProcAddress(
+			typedef BOOL (WINAPI *gmse_type)(LPMEMORYSTATUSEX);
+			gmse_type gmse = (gmse_type)GetProcAddress(
 					kernel32, "GlobalMemoryStatusEx");
 			if (gmse != NULL) {
 				MEMORYSTATUSEX meminfo;
@@ -126,6 +130,15 @@ tuklib_physmem(void)
 #elif defined(AMIGA) || defined(__AROS__)
 	ret = AvailMem(MEMF_TOTAL);
 
+#elif defined(__QNX__)
+	const struct asinfo_entry *entries = SYSPAGE_ENTRY(asinfo);
+	size_t count = SYSPAGE_ENTRY_SIZE(asinfo) / sizeof(struct asinfo_entry);
+	const char *strings = SYSPAGE_ENTRY(strings)->data;
+
+	for (size_t i = 0; i < count; ++i)
+		if (strcmp(strings + entries[i].name, "ram") == 0)
+			ret += entries[i].end - entries[i].start + 1;
+
 #elif defined(TUKLIB_PHYSMEM_AIX)
 	ret = _system_configuration.physmem;
 

src/liblzma/Makefile.am

@@ -24,7 +24,7 @@ liblzma_la_CPPFLAGS = \
 	-I$(top_srcdir)/src/liblzma/simple \
 	-I$(top_srcdir)/src/common \
 	-DTUKLIB_SYMBOL_PREFIX=lzma_
-liblzma_la_LDFLAGS = -no-undefined -version-info 7:1:2
+liblzma_la_LDFLAGS = -no-undefined -version-info 7:3:2
 
 EXTRA_DIST += liblzma.map validate_map.sh
 if COND_SYMVERS

src/liblzma/api/lzma.h

@@ -82,12 +82,20 @@
 #	if !defined(UINT32_C) || !defined(UINT64_C) \
 			|| !defined(UINT32_MAX) || !defined(UINT64_MAX)
 		/*
-		 * MSVC has no C99 support, and thus it cannot be used to
-		 * compile liblzma. The liblzma API has to still be usable
-		 * from MSVC, so we need to define the required standard
-		 * integer types here.
+		 * MSVC versions older than 2013 have no C99 support, and
+		 * thus they cannot be used to compile liblzma. Using an
+		 * existing liblzma.dll with old MSVC can work though(*),
+		 * but we need to define the required standard integer
+		 * types here in a MSVC-specific way.
+		 *
+		 * (*) If you do this, the existing liblzma.dll probably uses
+		 *     a different runtime library than your MSVC-built
+		 *     application. Mixing runtimes is generally bad, but
+		 *     in this case it should work as long as you avoid
+		 *     the few rarely-needed liblzma functions that allocate
+		 *     memory and expect the caller to free it using free().
 		 */
-#		if defined(_WIN32) && defined(_MSC_VER)
+#		if defined(_WIN32) && defined(_MSC_VER) && _MSC_VER < 1800
 			typedef unsigned __int8 uint8_t;
 			typedef unsigned __int32 uint32_t;
 			typedef unsigned __int64 uint64_t;

src/liblzma/api/lzma/version.h

@@ -22,7 +22,7 @@
  */
 #define LZMA_VERSION_MAJOR 5
 #define LZMA_VERSION_MINOR 2
-#define LZMA_VERSION_PATCH 1
+#define LZMA_VERSION_PATCH 3
 #define LZMA_VERSION_STABILITY LZMA_VERSION_STABILITY_STABLE
 
 #ifndef LZMA_VERSION_COMMIT

src/liblzma/check/check.h

@@ -15,7 +15,18 @@
 
 #include "common.h"
 
-#if defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H)
+// If the function for external SHA-256 is missing, use the internal SHA-256
+// code. Due to how configure works, these defines can only get defined when
+// both a usable header and a type have already been found.
+#if !(defined(HAVE_CC_SHA256_INIT) \
+		|| defined(HAVE_SHA256_INIT) \
+		|| defined(HAVE_SHA256INIT))
+#	define HAVE_INTERNAL_SHA256 1
+#endif
+
+#if defined(HAVE_INTERNAL_SHA256)
+// Nothing
+#elif defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H)
 #	include <CommonCrypto/CommonDigest.h>
 #elif defined(HAVE_SHA256_H)
 #	include <sys/types.h>
@@ -23,18 +34,9 @@
 #elif defined(HAVE_SHA2_H)
 #	include <sys/types.h>
 #	include <sha2.h>
-#elif defined(HAVE_MINIX_SHA2_H)
-#	include <sys/types.h>
-#	include <minix/sha2.h>
 #endif
 
-#if defined(HAVE_CC_SHA256_CTX)
-typedef CC_SHA256_CTX lzma_sha256_state;
-#elif defined(HAVE_SHA256_CTX)
-typedef SHA256_CTX lzma_sha256_state;
-#elif defined(HAVE_SHA2_CTX)
-typedef SHA2_CTX lzma_sha256_state;
-#else
+#if defined(HAVE_INTERNAL_SHA256)
 /// State for the internal SHA-256 implementation
 typedef struct {
 	/// Internal state
@@ -43,9 +45,17 @@ typedef struct {
 	/// Size of the message excluding padding
 	uint64_t size;
 } lzma_sha256_state;
+#elif defined(HAVE_CC_SHA256_CTX)
+typedef CC_SHA256_CTX lzma_sha256_state;
+#elif defined(HAVE_SHA256_CTX)
+typedef SHA256_CTX lzma_sha256_state;
+#elif defined(HAVE_SHA2_CTX)
+typedef SHA2_CTX lzma_sha256_state;
 #endif
 
-#if defined(HAVE_CC_SHA256_INIT)
+#if defined(HAVE_INTERNAL_SHA256)
+// Nothing
+#elif defined(HAVE_CC_SHA256_INIT)
 #	define LZMA_SHA256FUNC(x) CC_SHA256_ ## x
 #elif defined(HAVE_SHA256_INIT)
 #	define LZMA_SHA256FUNC(x) SHA256_ ## x

src/liblzma/common/Makefile.inc

@@ -21,6 +21,10 @@ liblzma_la_SOURCES += \
 	common/stream_flags_common.h \
 	common/vli_size.c
 
+if COND_THREADS
+liblzma_la_SOURCES += common/hardware_cputhreads.c
+endif
+
 if COND_MAIN_ENCODER
 liblzma_la_SOURCES += \
 	common/alone_encoder.c \
@@ -45,7 +49,6 @@ liblzma_la_SOURCES += \
 
 if COND_THREADS
 liblzma_la_SOURCES += \
-	common/hardware_cputhreads.c \
 	common/outqueue.c \
 	common/outqueue.h \
 	common/stream_encoder_mt.c

src/liblzma/common/alone_decoder.c

@@ -15,7 +15,7 @@
 #include "lz_decoder.h"
 
 
-struct lzma_coder_s {
+typedef struct {
 	lzma_next_coder next;
 
 	enum {
@@ -46,17 +46,19 @@ struct lzma_coder_s {
 	/// Options decoded from the header needed to initialize
 	/// the LZMA decoder
 	lzma_options_lzma options;
-};
+} lzma_alone_coder;
 
 
 static lzma_ret
-alone_decode(lzma_coder *coder,
+alone_decode(void *coder_ptr,
 		const lzma_allocator *allocator lzma_attribute((__unused__)),
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size,
 		lzma_action action)
 {
+	lzma_alone_coder *coder = coder_ptr;
+
 	while (*out_pos < out_size
 			&& (coder->sequence == SEQ_CODE || *in_pos < in_size))
 	switch (coder->sequence) {
@@ -166,8 +168,9 @@ alone_decode(lzma_coder *coder,
 
 
 static void
-alone_decoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+alone_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_alone_coder *coder = coder_ptr;
 	lzma_next_end(&coder->next, allocator);
 	lzma_free(coder, allocator);
 	return;
@@ -175,9 +178,11 @@ alone_decoder_end(lzma_coder *coder, const lzma_allocator *allocator)
 
 
 static lzma_ret
-alone_decoder_memconfig(lzma_coder *coder, uint64_t *memusage,
+alone_decoder_memconfig(void *coder_ptr, uint64_t *memusage,
 		uint64_t *old_memlimit, uint64_t new_memlimit)
 {
+	lzma_alone_coder *coder = coder_ptr;
+
 	*memusage = coder->memusage;
 	*old_memlimit = coder->memlimit;
 
@@ -201,26 +206,29 @@ lzma_alone_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 	if (memlimit == 0)
 		return LZMA_PROG_ERROR;
 
-	if (next->coder == NULL) {
-		next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
-		if (next->coder == NULL)
+	lzma_alone_coder *coder = next->coder;
+
+	if (coder == NULL) {
+		coder = lzma_alloc(sizeof(lzma_alone_coder), allocator);
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		next->coder = coder;
 		next->code = &alone_decode;
 		next->end = &alone_decoder_end;
 		next->memconfig = &alone_decoder_memconfig;
-		next->coder->next = LZMA_NEXT_CODER_INIT;
+		coder->next = LZMA_NEXT_CODER_INIT;
 	}
 
-	next->coder->sequence = SEQ_PROPERTIES;
-	next->coder->picky = picky;
-	next->coder->pos = 0;
-	next->coder->options.dict_size = 0;
-	next->coder->options.preset_dict = NULL;
-	next->coder->options.preset_dict_size = 0;
-	next->coder->uncompressed_size = 0;
-	next->coder->memlimit = memlimit;
-	next->coder->memusage = LZMA_MEMUSAGE_BASE;
+	coder->sequence = SEQ_PROPERTIES;
+	coder->picky = picky;
+	coder->pos = 0;
+	coder->options.dict_size = 0;
+	coder->options.preset_dict = NULL;
+	coder->options.preset_dict_size = 0;
+	coder->uncompressed_size = 0;
+	coder->memlimit = memlimit;
+	coder->memusage = LZMA_MEMUSAGE_BASE;
 
 	return LZMA_OK;
 }

src/liblzma/common/alone_encoder.c

@@ -17,7 +17,7 @@
 #define ALONE_HEADER_SIZE (1 + 4 + 8)
 
 
-struct lzma_coder_s {
+typedef struct {
 	lzma_next_coder next;
 
 	enum {
@@ -27,17 +27,19 @@ struct lzma_coder_s {
 
 	size_t header_pos;
 	uint8_t header[ALONE_HEADER_SIZE];
-};
+} lzma_alone_coder;
 
 
 static lzma_ret
-alone_encode(lzma_coder *coder,
+alone_encode(void *coder_ptr,
 		const lzma_allocator *allocator lzma_attribute((__unused__)),
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size,
 		lzma_action action)
 {
+	lzma_alone_coder *coder = coder_ptr;
+
 	while (*out_pos < out_size)
 	switch (coder->sequence) {
 	case SEQ_HEADER:
@@ -65,8 +67,9 @@ alone_encode(lzma_coder *coder,
 
 
 static void
-alone_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+alone_encoder_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_alone_coder *coder = coder_ptr;
 	lzma_next_end(&coder->next, allocator);
 	lzma_free(coder, allocator);
 	return;
@@ -80,23 +83,26 @@ alone_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 {
 	lzma_next_coder_init(&alone_encoder_init, next, allocator);
 
-	if (next->coder == NULL) {
-		next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
-		if (next->coder == NULL)
+	lzma_alone_coder *coder = next->coder;
+
+	if (coder == NULL) {
+		coder = lzma_alloc(sizeof(lzma_alone_coder), allocator);
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		next->coder = coder;
 		next->code = &alone_encode;
 		next->end = &alone_encoder_end;
-		next->coder->next = LZMA_NEXT_CODER_INIT;
+		coder->next = LZMA_NEXT_CODER_INIT;
 	}
 
 	// Basic initializations
-	next->coder->sequence = SEQ_HEADER;
-	next->coder->header_pos = 0;
+	coder->sequence = SEQ_HEADER;
+	coder->header_pos = 0;
 
 	// Encode the header:
 	// - Properties (1 byte)
-	if (lzma_lzma_lclppb_encode(options, next->coder->header))
+	if (lzma_lzma_lclppb_encode(options, coder->header))
 		return LZMA_OPTIONS_ERROR;
 
 	// - Dictionary size (4 bytes)
@@ -116,10 +122,10 @@ alone_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 	if (d != UINT32_MAX)
 		++d;
 
-	unaligned_write32le(next->coder->header + 1, d);
+	unaligned_write32le(coder->header + 1, d);
 
 	// - Uncompressed size (always unknown and using EOPM)
-	memset(next->coder->header + 1 + 4, 0xFF, 8);
+	memset(coder->header + 1 + 4, 0xFF, 8);
 
 	// Initialize the LZMA encoder.
 	const lzma_filter_info filters[2] = {
@@ -131,7 +137,7 @@ alone_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 		}
 	};
 
-	return lzma_next_filter_init(&next->coder->next, allocator, filters);
+	return lzma_next_filter_init(&coder->next, allocator, filters);
 }
 
 

src/liblzma/common/auto_decoder.c

@@ -14,7 +14,7 @@
 #include "alone_decoder.h"
 
 
-struct lzma_coder_s {
+typedef struct {
 	/// Stream decoder or LZMA_Alone decoder
 	lzma_next_coder next;
 
@@ -26,15 +26,17 @@ struct lzma_coder_s {
 		SEQ_CODE,
 		SEQ_FINISH,
 	} sequence;
-};
+} lzma_auto_coder;
 
 
 static lzma_ret
-auto_decode(lzma_coder *coder, const lzma_allocator *allocator,
+auto_decode(void *coder_ptr, const lzma_allocator *allocator,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size, lzma_action action)
 {
+	lzma_auto_coder *coder = coder_ptr;
+
 	switch (coder->sequence) {
 	case SEQ_INIT:
 		if (*in_pos >= in_size)
@@ -100,8 +102,9 @@ auto_decode(lzma_coder *coder, const lzma_allocator *allocator,
 
 
 static void
-auto_decoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+auto_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_auto_coder *coder = coder_ptr;
 	lzma_next_end(&coder->next, allocator);
 	lzma_free(coder, allocator);
 	return;
@@ -109,8 +112,10 @@ auto_decoder_end(lzma_coder *coder, const lzma_allocator *allocator)
 
 
 static lzma_check
-auto_decoder_get_check(const lzma_coder *coder)
+auto_decoder_get_check(const void *coder_ptr)
 {
+	const lzma_auto_coder *coder = coder_ptr;
+
 	// It is LZMA_Alone if get_check is NULL.
 	return coder->next.get_check == NULL ? LZMA_CHECK_NONE
 			: coder->next.get_check(coder->next.coder);
@@ -118,9 +123,11 @@ auto_decoder_get_check(const lzma_coder *coder)
 
 
 static lzma_ret
-auto_decoder_memconfig(lzma_coder *coder, uint64_t *memusage,
+auto_decoder_memconfig(void *coder_ptr, uint64_t *memusage,
 		uint64_t *old_memlimit, uint64_t new_memlimit)
 {
+	lzma_auto_coder *coder = coder_ptr;
+
 	lzma_ret ret;
 
 	if (coder->next.memconfig != NULL) {
@@ -154,21 +161,23 @@ auto_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 	if (flags & ~LZMA_SUPPORTED_FLAGS)
 		return LZMA_OPTIONS_ERROR;
 
-	if (next->coder == NULL) {
-		next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
-		if (next->coder == NULL)
+	lzma_auto_coder *coder = next->coder;
+	if (coder == NULL) {
+		coder = lzma_alloc(sizeof(lzma_auto_coder), allocator);
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		next->coder = coder;
 		next->code = &auto_decode;
 		next->end = &auto_decoder_end;
 		next->get_check = &auto_decoder_get_check;
 		next->memconfig = &auto_decoder_memconfig;
-		next->coder->next = LZMA_NEXT_CODER_INIT;
+		coder->next = LZMA_NEXT_CODER_INIT;
 	}
 
-	next->coder->memlimit = memlimit;
-	next->coder->flags = flags;
-	next->coder->sequence = SEQ_INIT;
+	coder->memlimit = memlimit;
+	coder->flags = flags;
+	coder->sequence = SEQ_INIT;
 
 	return LZMA_OK;
 }

src/liblzma/common/block_decoder.c

@@ -15,7 +15,7 @@
 #include "check.h"
 
 
-struct lzma_coder_s {
+typedef struct {
 	enum {
 		SEQ_CODE,
 		SEQ_PADDING,
@@ -48,7 +48,7 @@ struct lzma_coder_s {
 
 	/// True if the integrity check won't be calculated and verified.
 	bool ignore_check;
-};
+} lzma_block_coder;
 
 
 static inline bool
@@ -74,11 +74,13 @@ is_size_valid(lzma_vli size, lzma_vli reference)
 
 
 static lzma_ret
-block_decode(lzma_coder *coder, const lzma_allocator *allocator,
+block_decode(void *coder_ptr, const lzma_allocator *allocator,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size, lzma_action action)
 {
+	lzma_block_coder *coder = coder_ptr;
+
 	switch (coder->sequence) {
 	case SEQ_CODE: {
 		const size_t in_start = *in_pos;
@@ -177,8 +179,9 @@ block_decode(lzma_coder *coder, const lzma_allocator *allocator,
 
 
 static void
-block_decoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+block_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_block_coder *coder = coder_ptr;
 	lzma_next_end(&coder->next, allocator);
 	lzma_free(coder, allocator);
 	return;
@@ -198,27 +201,29 @@ lzma_block_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 			|| !lzma_vli_is_valid(block->uncompressed_size))
 		return LZMA_PROG_ERROR;
 
-	// Allocate and initialize *next->coder if needed.
-	if (next->coder == NULL) {
-		next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
-		if (next->coder == NULL)
+	// Allocate *next->coder if needed.
+	lzma_block_coder *coder = next->coder;
+	if (coder == NULL) {
+		coder = lzma_alloc(sizeof(lzma_block_coder), allocator);
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		next->coder = coder;
 		next->code = &block_decode;
 		next->end = &block_decoder_end;
-		next->coder->next = LZMA_NEXT_CODER_INIT;
+		coder->next = LZMA_NEXT_CODER_INIT;
 	}
 
 	// Basic initializations
-	next->coder->sequence = SEQ_CODE;
-	next->coder->block = block;
-	next->coder->compressed_size = 0;
-	next->coder->uncompressed_size = 0;
+	coder->sequence = SEQ_CODE;
+	coder->block = block;
+	coder->compressed_size = 0;
+	coder->uncompressed_size = 0;
 
 	// If Compressed Size is not known, we calculate the maximum allowed
 	// value so that encoded size of the Block (including Block Padding)
 	// is still a valid VLI and a multiple of four.
-	next->coder->compressed_limit
+	coder->compressed_limit
 			= block->compressed_size == LZMA_VLI_UNKNOWN
 				? (LZMA_VLI_MAX & ~LZMA_VLI_C(3))
 					- block->header_size
@@ -228,14 +233,14 @@ lzma_block_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 	// Initialize the check. It's caller's problem if the Check ID is not
 	// supported, and the Block decoder cannot verify the Check field.
 	// Caller can test lzma_check_is_supported(block->check).
-	next->coder->check_pos = 0;
-	lzma_check_init(&next->coder->check, block->check);
+	coder->check_pos = 0;
+	lzma_check_init(&coder->check, block->check);
 
-	next->coder->ignore_check = block->version >= 1
+	coder->ignore_check = block->version >= 1
 			? block->ignore_check : false;
 
 	// Initialize the filter chain.
-	return lzma_raw_decoder_init(&next->coder->next, allocator,
+	return lzma_raw_decoder_init(&coder->next, allocator,
 			block->filters);
 }
 

src/liblzma/common/block_encoder.c

@@ -15,7 +15,7 @@
 #include "check.h"
 
 
-struct lzma_coder_s {
+typedef struct {
 	/// The filters in the chain; initialized with lzma_raw_decoder_init().
 	lzma_next_coder next;
 
@@ -41,15 +41,17 @@ struct lzma_coder_s {
 
 	/// Check of the uncompressed data
 	lzma_check_state check;
-};
+} lzma_block_coder;
 
 
 static lzma_ret
-block_encode(lzma_coder *coder, const lzma_allocator *allocator,
+block_encode(void *coder_ptr, const lzma_allocator *allocator,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size, lzma_action action)
 {
+	lzma_block_coder *coder = coder_ptr;
+
 	// Check that our amount of input stays in proper limits.
 	if (LZMA_VLI_MAX - coder->uncompressed_size < in_size - *in_pos)
 		return LZMA_DATA_ERROR;
@@ -134,8 +136,9 @@ block_encode(lzma_coder *coder, const lzma_allocator *allocator,
 
 
 static void
-block_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+block_encoder_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_block_coder *coder = coder_ptr;
 	lzma_next_end(&coder->next, allocator);
 	lzma_free(coder, allocator);
 	return;
@@ -143,10 +146,12 @@ block_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
 
 
 static lzma_ret
-block_encoder_update(lzma_coder *coder, const lzma_allocator *allocator,
+block_encoder_update(void *coder_ptr, const lzma_allocator *allocator,
 		const lzma_filter *filters lzma_attribute((__unused__)),
 		const lzma_filter *reversed_filters)
 {
+	lzma_block_coder *coder = coder_ptr;
+
 	if (coder->sequence != SEQ_CODE)
 		return LZMA_PROG_ERROR;
 
@@ -178,30 +183,31 @@ lzma_block_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 		return LZMA_UNSUPPORTED_CHECK;
 
 	// Allocate and initialize *next->coder if needed.
-	if (next->coder == NULL) {
-		next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
-		if (next->coder == NULL)
+	lzma_block_coder *coder = next->coder;
+	if (coder == NULL) {
+		coder = lzma_alloc(sizeof(lzma_block_coder), allocator);
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		next->coder = coder;
 		next->code = &block_encode;
 		next->end = &block_encoder_end;
 		next->update = &block_encoder_update;
-		next->coder->next = LZMA_NEXT_CODER_INIT;
+		coder->next = LZMA_NEXT_CODER_INIT;
 	}
 
 	// Basic initializations
-	next->coder->sequence = SEQ_CODE;
-	next->coder->block = block;
-	next->coder->compressed_size = 0;
-	next->coder->uncompressed_size = 0;
-	next->coder->pos = 0;
+	coder->sequence = SEQ_CODE;
+	coder->block = block;
+	coder->compressed_size = 0;
+	coder->uncompressed_size = 0;
+	coder->pos = 0;
 
 	// Initialize the check
-	lzma_check_init(&next->coder->check, block->check);
+	lzma_check_init(&coder->check, block->check);
 
 	// Initialize the requested filters.
-	return lzma_raw_encoder_init(&next->coder->next, allocator,
-			block->filters);
+	return lzma_raw_encoder_init(&coder->next, allocator, block->filters);
 }
 
 

src/liblzma/common/common.h

@@ -88,10 +88,6 @@
 #define LZMA_TIMED_OUT 32
 
 
-/// Type of encoder/decoder specific data; the actual structure is defined
-/// differently in different coders.
-typedef struct lzma_coder_s lzma_coder;
-
 typedef struct lzma_next_coder_s lzma_next_coder;
 
 typedef struct lzma_filter_info_s lzma_filter_info;
@@ -107,7 +103,7 @@ typedef lzma_ret (*lzma_init_function)(
 /// input and output buffers, but for simplicity they still use this same
 /// function prototype.
 typedef lzma_ret (*lzma_code_function)(
-		lzma_coder *coder, const lzma_allocator *allocator,
+		void *coder, const lzma_allocator *allocator,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size,
@@ -115,7 +111,7 @@ typedef lzma_ret (*lzma_code_function)(
 
 /// Type of a function to free the memory allocated for the coder
 typedef void (*lzma_end_function)(
-		lzma_coder *coder, const lzma_allocator *allocator);
+		void *coder, const lzma_allocator *allocator);
 
 
 /// Raw coder validates and converts an array of lzma_filter structures to
@@ -138,7 +134,7 @@ struct lzma_filter_info_s {
 /// Hold data and function pointers of the next filter in the chain.
 struct lzma_next_coder_s {
 	/// Pointer to coder-specific data
-	lzma_coder *coder;
+	void *coder;
 
 	/// Filter ID. This is LZMA_VLI_UNKNOWN when this structure doesn't
 	/// point to a filter coder.
@@ -160,21 +156,21 @@ struct lzma_next_coder_s {
 
 	/// Pointer to a function to get progress information. If this is NULL,
 	/// lzma_stream.total_in and .total_out are used instead.
-	void (*get_progress)(lzma_coder *coder,
+	void (*get_progress)(void *coder,
 			uint64_t *progress_in, uint64_t *progress_out);
 
 	/// Pointer to function to return the type of the integrity check.
 	/// Most coders won't support this.
-	lzma_check (*get_check)(const lzma_coder *coder);
+	lzma_check (*get_check)(const void *coder);
 
 	/// Pointer to function to get and/or change the memory usage limit.
 	/// If new_memlimit == 0, the limit is not changed.
-	lzma_ret (*memconfig)(lzma_coder *coder, uint64_t *memusage,
+	lzma_ret (*memconfig)(void *coder, uint64_t *memusage,
 			uint64_t *old_memlimit, uint64_t new_memlimit);
 
 	/// Update the filter-specific options or the whole filter chain
 	/// in the encoder.
-	lzma_ret (*update)(lzma_coder *coder, const lzma_allocator *allocator,
+	lzma_ret (*update)(void *coder, const lzma_allocator *allocator,
 			const lzma_filter *filters,
 			const lzma_filter *reversed_filters);
 };

src/liblzma/common/index.c

@@ -202,22 +202,21 @@ index_tree_node_end(index_tree_node *node, const lzma_allocator *allocator,
 	if (node->right != NULL)
 		index_tree_node_end(node->right, allocator, free_func);
 
-	if (free_func != NULL)
-		free_func(node, allocator);
-
-	lzma_free(node, allocator);
+	free_func(node, allocator);
 	return;
 }
 
 
-/// Free the meory allocated for a tree. If free_func is not NULL,
-/// it is called on each node before freeing the node. This is used
-/// to free the Record groups from each index_stream before freeing
-/// the index_stream itself.
+/// Free the memory allocated for a tree. Each node is freed using the
+/// given free_func which is either &lzma_free or &index_stream_end.
+/// The latter is used to free the Record groups from each index_stream
+/// before freeing the index_stream itself.
 static void
 index_tree_end(index_tree *tree, const lzma_allocator *allocator,
 		void (*free_func)(void *node, const lzma_allocator *allocator))
 {
+	assert(free_func != NULL);
+
 	if (tree->root != NULL)
 		index_tree_node_end(tree->root, allocator, free_func);
 
@@ -339,7 +338,7 @@ index_tree_locate(const index_tree *tree, lzma_vli target)
 /// Allocate and initialize a new Stream using the given base offsets.
 static index_stream *
 index_stream_init(lzma_vli compressed_base, lzma_vli uncompressed_base,
-		lzma_vli stream_number, lzma_vli block_number_base,
+		uint32_t stream_number, lzma_vli block_number_base,
 		const lzma_allocator *allocator)
 {
 	index_stream *s = lzma_alloc(sizeof(index_stream), allocator);
@@ -371,7 +370,8 @@ static void
 index_stream_end(void *node, const lzma_allocator *allocator)
 {
 	index_stream *s = node;
-	index_tree_end(&s->groups, allocator, NULL);
+	index_tree_end(&s->groups, allocator, &lzma_free);
+	lzma_free(s, allocator);
 	return;
 }
 
@@ -829,6 +829,9 @@ lzma_index_cat(lzma_index *restrict dest, lzma_index *restrict src,
 				s->groups.rightmost = &newg->node;
 
 			lzma_free(g, allocator);
+
+			// NOTE: newg isn't leaked here because
+			// newg == (void *)&newg->node.
 		}
 	}
 
@@ -869,11 +872,8 @@ index_dup_stream(const index_stream *src, const lzma_allocator *allocator)
 	index_stream *dest = index_stream_init(src->node.compressed_base,
 			src->node.uncompressed_base, src->number,
 			src->block_number_base, allocator);
-
-	// Return immediately if allocation failed or if there are
-	// no groups to duplicate.
-	if (dest == NULL || src->groups.leftmost == NULL)
-		return dest;
+	if (dest == NULL)
+		return NULL;
 
 	// Copy the overall information.
 	dest->record_count = src->record_count;
@@ -881,6 +881,10 @@ index_dup_stream(const index_stream *src, const lzma_allocator *allocator)
 	dest->stream_flags = src->stream_flags;
 	dest->stream_padding = src->stream_padding;
 
+	// Return if there are no groups to duplicate.
+	if (src->groups.leftmost == NULL)
+		return dest;
+
 	// Allocate memory for the Records. We put all the Records into
 	// a single group. It's simplest and also tends to make
 	// lzma_index_locate() a little bit faster with very big Indexes.
@@ -1008,6 +1012,8 @@ iter_set_info(lzma_index_iter *iter)
 		iter->internal[ITER_GROUP].p = NULL;
 	}
 
+	// NOTE: lzma_index_iter.stream.number is lzma_vli but we use uint32_t
+	// internally.
 	iter->stream.number = stream->number;
 	iter->stream.block_count = stream->record_count;
 	iter->stream.compressed_offset = stream->node.compressed_base;

src/liblzma/common/index_decoder.c

@@ -14,7 +14,7 @@
 #include "check.h"
 
 
-struct lzma_coder_s {
+typedef struct {
 	enum {
 		SEQ_INDICATOR,
 		SEQ_COUNT,
@@ -50,11 +50,11 @@ struct lzma_coder_s {
 
 	/// CRC32 of the List of Records field
 	uint32_t crc32;
-};
+} lzma_index_coder;
 
 
 static lzma_ret
-index_decode(lzma_coder *coder, const lzma_allocator *allocator,
+index_decode(void *coder_ptr, const lzma_allocator *allocator,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size,
 		uint8_t *restrict out lzma_attribute((__unused__)),
@@ -62,6 +62,8 @@ index_decode(lzma_coder *coder, const lzma_allocator *allocator,
 		size_t out_size lzma_attribute((__unused__)),
 		lzma_action action lzma_attribute((__unused__)))
 {
+	lzma_index_coder *coder = coder_ptr;
+
 	// Similar optimization as in index_encoder.c
 	const size_t in_start = *in_pos;
 	lzma_ret ret = LZMA_OK;
@@ -207,8 +209,9 @@ out:
 
 
 static void
-index_decoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+index_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_index_coder *coder = coder_ptr;
 	lzma_index_end(coder->index, allocator);
 	lzma_free(coder, allocator);
 	return;
@@ -216,9 +219,11 @@ index_decoder_end(lzma_coder *coder, const lzma_allocator *allocator)
 
 
 static lzma_ret
-index_decoder_memconfig(lzma_coder *coder, uint64_t *memusage,
+index_decoder_memconfig(void *coder_ptr, uint64_t *memusage,
 		uint64_t *old_memlimit, uint64_t new_memlimit)
 {
+	lzma_index_coder *coder = coder_ptr;
+
 	*memusage = lzma_index_memusage(1, coder->count);
 	*old_memlimit = coder->memlimit;
 
@@ -234,7 +239,7 @@ index_decoder_memconfig(lzma_coder *coder, uint64_t *memusage,
 
 
 static lzma_ret
-index_decoder_reset(lzma_coder *coder, const lzma_allocator *allocator,
+index_decoder_reset(lzma_index_coder *coder, const lzma_allocator *allocator,
 		lzma_index **i, uint64_t memlimit)
 {
 	// Remember the pointer given by the application. We will set it
@@ -269,20 +274,22 @@ index_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 	if (i == NULL || memlimit == 0)
 		return LZMA_PROG_ERROR;
 
-	if (next->coder == NULL) {
-		next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
-		if (next->coder == NULL)
+	lzma_index_coder *coder = next->coder;
+	if (coder == NULL) {
+		coder = lzma_alloc(sizeof(lzma_index_coder), allocator);
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		next->coder = coder;
 		next->code = &index_decode;
 		next->end = &index_decoder_end;
 		next->memconfig = &index_decoder_memconfig;
-		next->coder->index = NULL;
+		coder->index = NULL;
 	} else {
-		lzma_index_end(next->coder->index, allocator);
+		lzma_index_end(coder->index, allocator);
 	}
 
-	return index_decoder_reset(next->coder, allocator, i, memlimit);
+	return index_decoder_reset(coder, allocator, i, memlimit);
 }
 
 
@@ -309,7 +316,7 @@ lzma_index_buffer_decode(lzma_index **i, uint64_t *memlimit,
 		return LZMA_PROG_ERROR;
 
 	// Initialize the decoder.
-	lzma_coder coder;
+	lzma_index_coder coder;
 	return_if_error(index_decoder_reset(&coder, allocator, i, *memlimit));
 
 	// Store the input start position so that we can restore it in case

src/liblzma/common/index_encoder.c

@@ -15,7 +15,7 @@
 #include "check.h"
 
 
-struct lzma_coder_s {
+typedef struct {
 	enum {
 		SEQ_INDICATOR,
 		SEQ_COUNT,
@@ -37,11 +37,11 @@ struct lzma_coder_s {
 
 	/// CRC32 of the List of Records field
 	uint32_t crc32;
-};
+} lzma_index_coder;
 
 
 static lzma_ret
-index_encode(lzma_coder *coder,
+index_encode(void *coder_ptr,
 		const lzma_allocator *allocator lzma_attribute((__unused__)),
 		const uint8_t *restrict in lzma_attribute((__unused__)),
 		size_t *restrict in_pos lzma_attribute((__unused__)),
@@ -50,6 +50,8 @@ index_encode(lzma_coder *coder,
 		size_t out_size,
 		lzma_action action lzma_attribute((__unused__)))
 {
+	lzma_index_coder *coder = coder_ptr;
+
 	// Position where to start calculating CRC32. The idea is that we
 	// need to call lzma_crc32() only once per call to index_encode().
 	const size_t out_start = *out_pos;
@@ -159,7 +161,7 @@ out:
 
 
 static void
-index_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+index_encoder_end(void *coder, const lzma_allocator *allocator)
 {
 	lzma_free(coder, allocator);
 	return;
@@ -167,7 +169,7 @@ index_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
 
 
 static void
-index_encoder_reset(lzma_coder *coder, const lzma_index *i)
+index_encoder_reset(lzma_index_coder *coder, const lzma_index *i)
 {
 	lzma_index_iter_init(&coder->iter, i);
 
@@ -190,7 +192,7 @@ lzma_index_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 		return LZMA_PROG_ERROR;
 
 	if (next->coder == NULL) {
-		next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
+		next->coder = lzma_alloc(sizeof(lzma_index_coder), allocator);
 		if (next->coder == NULL)
 			return LZMA_MEM_ERROR;
 
@@ -230,7 +232,7 @@ lzma_index_buffer_encode(const lzma_index *i,
 
 	// The Index encoder needs just one small data structure so we can
 	// allocate it on stack.
-	lzma_coder coder;
+	lzma_index_coder coder;
 	index_encoder_reset(&coder, i);
 
 	// Do the actual encoding. This should never fail, but store

src/liblzma/common/stream_decoder.c

@@ -14,7 +14,7 @@
 #include "block_decoder.h"
 
 
-struct lzma_coder_s {
+typedef struct {
 	enum {
 		SEQ_STREAM_HEADER,
 		SEQ_BLOCK_HEADER,
@@ -80,11 +80,11 @@ struct lzma_coder_s {
 	/// Buffer to hold Stream Header, Block Header, and Stream Footer.
 	/// Block Header has biggest maximum size.
 	uint8_t buffer[LZMA_BLOCK_HEADER_SIZE_MAX];
-};
+} lzma_stream_coder;
 
 
 static lzma_ret
-stream_decoder_reset(lzma_coder *coder, const lzma_allocator *allocator)
+stream_decoder_reset(lzma_stream_coder *coder, const lzma_allocator *allocator)
 {
 	// Initialize the Index hash used to verify the Index.
 	coder->index_hash = lzma_index_hash_init(coder->index_hash, allocator);
@@ -100,11 +100,13 @@ stream_decoder_reset(lzma_coder *coder, const lzma_allocator *allocator)
 
 
 static lzma_ret
-stream_decode(lzma_coder *coder, const lzma_allocator *allocator,
+stream_decode(void *coder_ptr, const lzma_allocator *allocator,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size, lzma_action action)
 {
+	lzma_stream_coder *coder = coder_ptr;
+
 	// When decoding the actual Block, it may be able to produce more
 	// output even if we don't give it any new input.
 	while (true)
@@ -375,8 +377,9 @@ stream_decode(lzma_coder *coder, const lzma_allocator *allocator,
 
 
 static void
-stream_decoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+stream_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_stream_coder *coder = coder_ptr;
 	lzma_next_end(&coder->block_decoder, allocator);
 	lzma_index_hash_end(coder->index_hash, allocator);
 	lzma_free(coder, allocator);
@@ -385,16 +388,19 @@ stream_decoder_end(lzma_coder *coder, const lzma_allocator *allocator)
 
 
 static lzma_check
-stream_decoder_get_check(const lzma_coder *coder)
+stream_decoder_get_check(const void *coder_ptr)
 {
+	const lzma_stream_coder *coder = coder_ptr;
 	return coder->stream_flags.check;
 }
 
 
 static lzma_ret
-stream_decoder_memconfig(lzma_coder *coder, uint64_t *memusage,
+stream_decoder_memconfig(void *coder_ptr, uint64_t *memusage,
 		uint64_t *old_memlimit, uint64_t new_memlimit)
 {
+	lzma_stream_coder *coder = coder_ptr;
+
 	*memusage = coder->memusage;
 	*old_memlimit = coder->memlimit;
 
@@ -422,31 +428,33 @@ lzma_stream_decoder_init(
 	if (flags & ~LZMA_SUPPORTED_FLAGS)
 		return LZMA_OPTIONS_ERROR;
 
-	if (next->coder == NULL) {
-		next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
-		if (next->coder == NULL)
+	lzma_stream_coder *coder = next->coder;
+	if (coder == NULL) {
+		coder = lzma_alloc(sizeof(lzma_stream_coder), allocator);
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		next->coder = coder;
 		next->code = &stream_decode;
 		next->end = &stream_decoder_end;
 		next->get_check = &stream_decoder_get_check;
 		next->memconfig = &stream_decoder_memconfig;
 
-		next->coder->block_decoder = LZMA_NEXT_CODER_INIT;
-		next->coder->index_hash = NULL;
+		coder->block_decoder = LZMA_NEXT_CODER_INIT;
+		coder->index_hash = NULL;
 	}
 
-	next->coder->memlimit = memlimit;
-	next->coder->memusage = LZMA_MEMUSAGE_BASE;
-	next->coder->tell_no_check = (flags & LZMA_TELL_NO_CHECK) != 0;
-	next->coder->tell_unsupported_check
+	coder->memlimit = memlimit;
+	coder->memusage = LZMA_MEMUSAGE_BASE;
+	coder->tell_no_check = (flags & LZMA_TELL_NO_CHECK) != 0;
+	coder->tell_unsupported_check
 			= (flags & LZMA_TELL_UNSUPPORTED_CHECK) != 0;
-	next->coder->tell_any_check = (flags & LZMA_TELL_ANY_CHECK) != 0;
-	next->coder->ignore_check = (flags & LZMA_IGNORE_CHECK) != 0;
-	next->coder->concatenated = (flags & LZMA_CONCATENATED) != 0;
-	next->coder->first_stream = true;
+	coder->tell_any_check = (flags & LZMA_TELL_ANY_CHECK) != 0;
+	coder->ignore_check = (flags & LZMA_IGNORE_CHECK) != 0;
+	coder->concatenated = (flags & LZMA_CONCATENATED) != 0;
+	coder->first_stream = true;
 
-	return stream_decoder_reset(next->coder, allocator);
+	return stream_decoder_reset(coder, allocator);
 }
 
 

src/liblzma/common/stream_encoder.c

@@ -14,7 +14,7 @@
 #include "index_encoder.h"
 
 
-struct lzma_coder_s {
+typedef struct {
 	enum {
 		SEQ_STREAM_HEADER,
 		SEQ_BLOCK_INIT,
@@ -55,11 +55,11 @@ struct lzma_coder_s {
 	/// Buffer to hold Stream Header, Block Header, and Stream Footer.
 	/// Block Header has biggest maximum size.
 	uint8_t buffer[LZMA_BLOCK_HEADER_SIZE_MAX];
-};
+} lzma_stream_coder;
 
 
 static lzma_ret
-block_encoder_init(lzma_coder *coder, const lzma_allocator *allocator)
+block_encoder_init(lzma_stream_coder *coder, const lzma_allocator *allocator)
 {
 	// Prepare the Block options. Even though Block encoder doesn't need
 	// compressed_size, uncompressed_size, and header_size to be
@@ -78,11 +78,13 @@ block_encoder_init(lzma_coder *coder, const lzma_allocator *allocator)
 
 
 static lzma_ret
-stream_encode(lzma_coder *coder, const lzma_allocator *allocator,
+stream_encode(void *coder_ptr, const lzma_allocator *allocator,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size, lzma_action action)
 {
+	lzma_stream_coder *coder = coder_ptr;
+
 	// Main loop
 	while (*out_pos < out_size)
 	switch (coder->sequence) {
@@ -209,8 +211,10 @@ stream_encode(lzma_coder *coder, const lzma_allocator *allocator,
 
 
 static void
-stream_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+stream_encoder_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_stream_coder *coder = coder_ptr;
+
 	lzma_next_end(&coder->block_encoder, allocator);
 	lzma_next_end(&coder->index_encoder, allocator);
 	lzma_index_end(coder->index, allocator);
@@ -224,10 +228,12 @@ stream_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
 
 
 static lzma_ret
-stream_encoder_update(lzma_coder *coder, const lzma_allocator *allocator,
+stream_encoder_update(void *coder_ptr, const lzma_allocator *allocator,
 		const lzma_filter *filters,
 		const lzma_filter *reversed_filters)
 {
+	lzma_stream_coder *coder = coder_ptr;
+
 	if (coder->sequence <= SEQ_BLOCK_INIT) {
 		// There is no incomplete Block waiting to be finished,
 		// thus we can change the whole filter chain. Start by
@@ -271,30 +277,33 @@ stream_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 	if (filters == NULL)
 		return LZMA_PROG_ERROR;
 
-	if (next->coder == NULL) {
-		next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
-		if (next->coder == NULL)
+	lzma_stream_coder *coder = next->coder;
+
+	if (coder == NULL) {
+		coder = lzma_alloc(sizeof(lzma_stream_coder), allocator);
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		next->coder = coder;
 		next->code = &stream_encode;
 		next->end = &stream_encoder_end;
 		next->update = &stream_encoder_update;
 
-		next->coder->filters[0].id = LZMA_VLI_UNKNOWN;
-		next->coder->block_encoder = LZMA_NEXT_CODER_INIT;
-		next->coder->index_encoder = LZMA_NEXT_CODER_INIT;
-		next->coder->index = NULL;
+		coder->filters[0].id = LZMA_VLI_UNKNOWN;
+		coder->block_encoder = LZMA_NEXT_CODER_INIT;
+		coder->index_encoder = LZMA_NEXT_CODER_INIT;
+		coder->index = NULL;
 	}
 
 	// Basic initializations
-	next->coder->sequence = SEQ_STREAM_HEADER;
-	next->coder->block_options.version = 0;
-	next->coder->block_options.check = check;
+	coder->sequence = SEQ_STREAM_HEADER;
+	coder->block_options.version = 0;
+	coder->block_options.check = check;
 
 	// Initialize the Index
-	lzma_index_end(next->coder->index, allocator);
-	next->coder->index = lzma_index_init(allocator);
-	if (next->coder->index == NULL)
+	lzma_index_end(coder->index, allocator);
+	coder->index = lzma_index_init(allocator);
+	if (coder->index == NULL)
 		return LZMA_MEM_ERROR;
 
 	// Encode the Stream Header
@@ -303,16 +312,15 @@ stream_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 		.check = check,
 	};
 	return_if_error(lzma_stream_header_encode(
-			&stream_flags, next->coder->buffer));
+			&stream_flags, coder->buffer));
 
-	next->coder->buffer_pos = 0;
-	next->coder->buffer_size = LZMA_STREAM_HEADER_SIZE;
+	coder->buffer_pos = 0;
+	coder->buffer_size = LZMA_STREAM_HEADER_SIZE;
 
 	// Initialize the Block encoder. This way we detect unsupported
 	// filter chains when initializing the Stream encoder instead of
 	// giving an error after Stream Header has already written out.
-	return stream_encoder_update(
-			next->coder, allocator, filters, NULL);
+	return stream_encoder_update(coder, allocator, filters, NULL);
 }
 
 

src/liblzma/common/stream_encoder_mt.c

@@ -44,6 +44,7 @@ typedef enum {
 
 } worker_state;
 
+typedef struct lzma_stream_coder_s lzma_stream_coder;
 
 typedef struct worker_thread_s worker_thread;
 struct worker_thread_s {
@@ -65,7 +66,7 @@ struct worker_thread_s {
 
 	/// Pointer to the main structure is needed when putting this
 	/// thread back to the stack of free threads.
-	lzma_coder *coder;
+	lzma_stream_coder *coder;
 
 	/// The allocator is set by the main thread. Since a copy of the
 	/// pointer is kept here, the application must not change the
@@ -96,7 +97,7 @@ struct worker_thread_s {
 };
 
 
-struct lzma_coder_s {
+struct lzma_stream_coder_s {
 	enum {
 		SEQ_STREAM_HEADER,
 		SEQ_BLOCK,
@@ -417,7 +418,7 @@ worker_start(void *thr_ptr)
 
 /// Make the threads stop but not exit. Optionally wait for them to stop.
 static void
-threads_stop(lzma_coder *coder, bool wait_for_threads)
+threads_stop(lzma_stream_coder *coder, bool wait_for_threads)
 {
 	// Tell the threads to stop.
 	for (uint32_t i = 0; i < coder->threads_initialized; ++i) {
@@ -446,7 +447,7 @@ threads_stop(lzma_coder *coder, bool wait_for_threads)
 /// Stop the threads and free the resources associated with them.
 /// Wait until the threads have exited.
 static void
-threads_end(lzma_coder *coder, const lzma_allocator *allocator)
+threads_end(lzma_stream_coder *coder, const lzma_allocator *allocator)
 {
 	for (uint32_t i = 0; i < coder->threads_initialized; ++i) {
 		mythread_sync(coder->threads[i].mutex) {
@@ -468,7 +469,8 @@ threads_end(lzma_coder *coder, const lzma_allocator *allocator)
 
 /// Initialize a new worker_thread structure and create a new thread.
 static lzma_ret
-initialize_new_thread(lzma_coder *coder, const lzma_allocator *allocator)
+initialize_new_thread(lzma_stream_coder *coder,
+		const lzma_allocator *allocator)
 {
 	worker_thread *thr = &coder->threads[coder->threads_initialized];
 
@@ -510,7 +512,7 @@ error_mutex:
 
 
 static lzma_ret
-get_thread(lzma_coder *coder, const lzma_allocator *allocator)
+get_thread(lzma_stream_coder *coder, const lzma_allocator *allocator)
 {
 	// If there are no free output subqueues, there is no
 	// point to try getting a thread.
@@ -548,7 +550,7 @@ get_thread(lzma_coder *coder, const lzma_allocator *allocator)
 
 
 static lzma_ret
-stream_encode_in(lzma_coder *coder, const lzma_allocator *allocator,
+stream_encode_in(lzma_stream_coder *coder, const lzma_allocator *allocator,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, lzma_action action)
 {
@@ -616,7 +618,7 @@ stream_encode_in(lzma_coder *coder, const lzma_allocator *allocator,
 /// Wait until more input can be consumed, more output can be read, or
 /// an optional timeout is reached.
 static bool
-wait_for_work(lzma_coder *coder, mythread_condtime *wait_abs,
+wait_for_work(lzma_stream_coder *coder, mythread_condtime *wait_abs,
 		bool *has_blocked, bool has_input)
 {
 	if (coder->timeout != 0 && !*has_blocked) {
@@ -662,11 +664,13 @@ wait_for_work(lzma_coder *coder, mythread_condtime *wait_abs,
 
 
 static lzma_ret
-stream_encode_mt(lzma_coder *coder, const lzma_allocator *allocator,
+stream_encode_mt(void *coder_ptr, const lzma_allocator *allocator,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size, lzma_action action)
 {
+	lzma_stream_coder *coder = coder_ptr;
+
 	switch (coder->sequence) {
 	case SEQ_STREAM_HEADER:
 		lzma_bufcpy(coder->header, &coder->header_pos,
@@ -834,8 +838,10 @@ stream_encode_mt(lzma_coder *coder, const lzma_allocator *allocator,
 
 
 static void
-stream_encoder_mt_end(lzma_coder *coder, const lzma_allocator *allocator)
+stream_encoder_mt_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_stream_coder *coder = coder_ptr;
+
 	// Threads must be killed before the output queue can be freed.
 	threads_end(coder, allocator);
 	lzma_outq_end(&coder->outq, allocator);
@@ -907,10 +913,12 @@ get_options(const lzma_mt *options, lzma_options_easy *opt_easy,
 
 
 static void
-get_progress(lzma_coder *coder, uint64_t *progress_in, uint64_t *progress_out)
+get_progress(void *coder_ptr, uint64_t *progress_in, uint64_t *progress_out)
 {
+	lzma_stream_coder *coder = coder_ptr;
+
 	// Lock coder->mutex to prevent finishing threads from moving their
-	// progress info from the worker_thread structure to lzma_coder.
+	// progress info from the worker_thread structure to lzma_stream_coder.
 	mythread_sync(coder->mutex) {
 		*progress_in = coder->progress_in;
 		*progress_out = coder->progress_out;
@@ -962,24 +970,27 @@ stream_encoder_mt_init(lzma_next_coder *next, const lzma_allocator *allocator,
 		return LZMA_UNSUPPORTED_CHECK;
 
 	// Allocate and initialize the base structure if needed.
-	if (next->coder == NULL) {
-		next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
-		if (next->coder == NULL)
+	lzma_stream_coder *coder = next->coder;
+	if (coder == NULL) {
+		coder = lzma_alloc(sizeof(lzma_stream_coder), allocator);
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		next->coder = coder;
+
 		// For the mutex and condition variable initializations
 		// the error handling has to be done here because
 		// stream_encoder_mt_end() doesn't know if they have
 		// already been initialized or not.
-		if (mythread_mutex_init(&next->coder->mutex)) {
-			lzma_free(next->coder, allocator);
+		if (mythread_mutex_init(&coder->mutex)) {
+			lzma_free(coder, allocator);
 			next->coder = NULL;
 			return LZMA_MEM_ERROR;
 		}
 
-		if (mythread_cond_init(&next->coder->cond)) {
-			mythread_mutex_destroy(&next->coder->mutex);
-			lzma_free(next->coder, allocator);
+		if (mythread_cond_init(&coder->cond)) {
+			mythread_mutex_destroy(&coder->mutex);
+			lzma_free(coder, allocator);
 			next->coder = NULL;
 			return LZMA_MEM_ERROR;
 		}
@@ -989,76 +1000,76 @@ stream_encoder_mt_init(lzma_next_coder *next, const lzma_allocator *allocator,
 		next->get_progress = &get_progress;
 // 		next->update = &stream_encoder_mt_update;
 
-		next->coder->filters[0].id = LZMA_VLI_UNKNOWN;
-		next->coder->index_encoder = LZMA_NEXT_CODER_INIT;
-		next->coder->index = NULL;
-		memzero(&next->coder->outq, sizeof(next->coder->outq));
-		next->coder->threads = NULL;
-		next->coder->threads_max = 0;
-		next->coder->threads_initialized = 0;
+		coder->filters[0].id = LZMA_VLI_UNKNOWN;
+		coder->index_encoder = LZMA_NEXT_CODER_INIT;
+		coder->index = NULL;
+		memzero(&coder->outq, sizeof(coder->outq));
+		coder->threads = NULL;
+		coder->threads_max = 0;
+		coder->threads_initialized = 0;
 	}
 
 	// Basic initializations
-	next->coder->sequence = SEQ_STREAM_HEADER;
-	next->coder->block_size = (size_t)(block_size);
-	next->coder->thread_error = LZMA_OK;
-	next->coder->thr = NULL;
+	coder->sequence = SEQ_STREAM_HEADER;
+	coder->block_size = (size_t)(block_size);
+	coder->thread_error = LZMA_OK;
+	coder->thr = NULL;
 
 	// Allocate the thread-specific base structures.
 	assert(options->threads > 0);
-	if (next->coder->threads_max != options->threads) {
-		threads_end(next->coder, allocator);
+	if (coder->threads_max != options->threads) {
+		threads_end(coder, allocator);
 
-		next->coder->threads = NULL;
-		next->coder->threads_max = 0;
+		coder->threads = NULL;
+		coder->threads_max = 0;
 
-		next->coder->threads_initialized = 0;
-		next->coder->threads_free = NULL;
+		coder->threads_initialized = 0;
+		coder->threads_free = NULL;
 
-		next->coder->threads = lzma_alloc(
+		coder->threads = lzma_alloc(
 				options->threads * sizeof(worker_thread),
 				allocator);
-		if (next->coder->threads == NULL)
+		if (coder->threads == NULL)
 			return LZMA_MEM_ERROR;
 
-		next->coder->threads_max = options->threads;
+		coder->threads_max = options->threads;
 	} else {
 		// Reuse the old structures and threads. Tell the running
 		// threads to stop and wait until they have stopped.
-		threads_stop(next->coder, true);
+		threads_stop(coder, true);
 	}
 
 	// Output queue
-	return_if_error(lzma_outq_init(&next->coder->outq, allocator,
+	return_if_error(lzma_outq_init(&coder->outq, allocator,
 			outbuf_size_max, options->threads));
 
 	// Timeout
-	next->coder->timeout = options->timeout;
+	coder->timeout = options->timeout;
 
 	// Free the old filter chain and copy the new one.
-	for (size_t i = 0; next->coder->filters[i].id != LZMA_VLI_UNKNOWN; ++i)
-		lzma_free(next->coder->filters[i].options, allocator);
+	for (size_t i = 0; coder->filters[i].id != LZMA_VLI_UNKNOWN; ++i)
+		lzma_free(coder->filters[i].options, allocator);
 
 	return_if_error(lzma_filters_copy(
-			filters, next->coder->filters, allocator));
+			filters, coder->filters, allocator));
 
 	// Index
-	lzma_index_end(next->coder->index, allocator);
-	next->coder->index = lzma_index_init(allocator);
-	if (next->coder->index == NULL)
+	lzma_index_end(coder->index, allocator);
+	coder->index = lzma_index_init(allocator);
+	if (coder->index == NULL)
 		return LZMA_MEM_ERROR;
 
 	// Stream Header
-	next->coder->stream_flags.version = 0;
-	next->coder->stream_flags.check = options->check;
+	coder->stream_flags.version = 0;
+	coder->stream_flags.check = options->check;
 	return_if_error(lzma_stream_header_encode(
-			&next->coder->stream_flags, next->coder->header));
+			&coder->stream_flags, coder->header));
 
-	next->coder->header_pos = 0;
+	coder->header_pos = 0;
 
 	// Progress info
-	next->coder->progress_in = 0;
-	next->coder->progress_out = LZMA_STREAM_HEADER_SIZE;
+	coder->progress_in = 0;
+	coder->progress_out = LZMA_STREAM_HEADER_SIZE;
 
 	return LZMA_OK;
 }
@@ -1111,7 +1122,8 @@ lzma_stream_encoder_mt_memusage(const lzma_mt *options)
 		return UINT64_MAX;
 
 	// Sum them with overflow checking.
-	uint64_t total_memusage = LZMA_MEMUSAGE_BASE + sizeof(lzma_coder)
+	uint64_t total_memusage = LZMA_MEMUSAGE_BASE
+			+ sizeof(lzma_stream_coder)
 			+ options->threads * sizeof(worker_thread);
 
 	if (UINT64_MAX - total_memusage < inbuf_memusage)

src/liblzma/delta/delta_common.c

@@ -15,8 +15,9 @@
 
 
 static void
-delta_coder_end(lzma_coder *coder, const lzma_allocator *allocator)
+delta_coder_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_delta_coder *coder = coder_ptr;
 	lzma_next_end(&coder->next, allocator);
 	lzma_free(coder, allocator);
 	return;
@@ -28,14 +29,17 @@ lzma_delta_coder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 		const lzma_filter_info *filters)
 {
 	// Allocate memory for the decoder if needed.
-	if (next->coder == NULL) {
-		next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
-		if (next->coder == NULL)
+	lzma_delta_coder *coder = next->coder;
+	if (coder == NULL) {
+		coder = lzma_alloc(sizeof(lzma_delta_coder), allocator);
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		next->coder = coder;
+
 		// End function is the same for encoder and decoder.
 		next->end = &delta_coder_end;
-		next->coder->next = LZMA_NEXT_CODER_INIT;
+		coder->next = LZMA_NEXT_CODER_INIT;
 	}
 
 	// Validate the options.
@@ -44,15 +48,14 @@ lzma_delta_coder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 
 	// Set the delta distance.
 	const lzma_options_delta *opt = filters[0].options;
-	next->coder->distance = opt->dist;
+	coder->distance = opt->dist;
 
 	// Initialize the rest of the variables.
-	next->coder->pos = 0;
-	memzero(next->coder->history, LZMA_DELTA_DIST_MAX);
+	coder->pos = 0;
+	memzero(coder->history, LZMA_DELTA_DIST_MAX);
 
 	// Initialize the next decoder in the chain, if any.
-	return lzma_next_filter_init(&next->coder->next,
-			allocator, filters + 1);
+	return lzma_next_filter_init(&coder->next, allocator, filters + 1);
 }
 
 
@@ -66,5 +69,5 @@ lzma_delta_coder_memusage(const void *options)
 			|| opt->dist > LZMA_DELTA_DIST_MAX)
 		return UINT64_MAX;
 
-	return sizeof(lzma_coder);
+	return sizeof(lzma_delta_coder);
 }

src/liblzma/delta/delta_decoder.c

@@ -15,7 +15,7 @@
 
 
 static void
-decode_buffer(lzma_coder *coder, uint8_t *buffer, size_t size)
+decode_buffer(lzma_delta_coder *coder, uint8_t *buffer, size_t size)
 {
 	const size_t distance = coder->distance;
 
@@ -27,11 +27,13 @@ decode_buffer(lzma_coder *coder, uint8_t *buffer, size_t size)
 
 
 static lzma_ret
-delta_decode(lzma_coder *coder, const lzma_allocator *allocator,
+delta_decode(void *coder_ptr, const lzma_allocator *allocator,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size, lzma_action action)
 {
+	lzma_delta_coder *coder = coder_ptr;
+
 	assert(coder->next.code != NULL);
 
 	const size_t out_start = *out_pos;

src/liblzma/delta/delta_encoder.c

@@ -18,7 +18,7 @@
 /// is the first filter in the chain (and thus the last filter in the
 /// encoder's filter stack).
 static void
-copy_and_encode(lzma_coder *coder,
+copy_and_encode(lzma_delta_coder *coder,
 		const uint8_t *restrict in, uint8_t *restrict out, size_t size)
 {
 	const size_t distance = coder->distance;
@@ -35,7 +35,7 @@ copy_and_encode(lzma_coder *coder,
 /// Encodes the data in place. This is used when we are the last filter
 /// in the chain (and thus non-last filter in the encoder's filter stack).
 static void
-encode_in_place(lzma_coder *coder, uint8_t *buffer, size_t size)
+encode_in_place(lzma_delta_coder *coder, uint8_t *buffer, size_t size)
 {
 	const size_t distance = coder->distance;
 
@@ -49,11 +49,13 @@ encode_in_place(lzma_coder *coder, uint8_t *buffer, size_t size)
 
 
 static lzma_ret
-delta_encode(lzma_coder *coder, const lzma_allocator *allocator,
+delta_encode(void *coder_ptr, const lzma_allocator *allocator,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size, lzma_action action)
 {
+	lzma_delta_coder *coder = coder_ptr;
+
 	lzma_ret ret;
 
 	if (coder->next.code == NULL) {
@@ -84,10 +86,12 @@ delta_encode(lzma_coder *coder, const lzma_allocator *allocator,
 
 
 static lzma_ret
-delta_encoder_update(lzma_coder *coder, const lzma_allocator *allocator,
+delta_encoder_update(void *coder_ptr, const lzma_allocator *allocator,
 		const lzma_filter *filters_null lzma_attribute((__unused__)),
 		const lzma_filter *reversed_filters)
 {
+	lzma_delta_coder *coder = coder_ptr;
+
 	// Delta doesn't and will never support changing the options in
 	// the middle of encoding. If the app tries to change them, we
 	// simply ignore them.

src/liblzma/delta/delta_private.h

@@ -15,7 +15,7 @@
 
 #include "delta_common.h"
 
-struct lzma_coder_s {
+typedef struct {
 	/// Next coder in the chain
 	lzma_next_coder next;
 
@@ -27,7 +27,7 @@ struct lzma_coder_s {
 
 	/// Buffer to hold history of the original data
 	uint8_t history[LZMA_DELTA_DIST_MAX];
-};
+} lzma_delta_coder;
 
 
 extern lzma_ret lzma_delta_coder_init(

src/liblzma/lz/lz_decoder.c

@@ -20,7 +20,7 @@
 #include "lz_decoder.h"
 
 
-struct lzma_coder_s {
+typedef struct {
 	/// Dictionary (history buffer)
 	lzma_dict dict;
 
@@ -48,7 +48,7 @@ struct lzma_coder_s {
 		size_t size;
 		uint8_t buffer[LZMA_BUFFER_SIZE];
 	} temp;
-};
+} lzma_coder;
 
 
 static void
@@ -125,13 +125,15 @@ decode_buffer(lzma_coder *coder,
 
 
 static lzma_ret
-lz_decode(lzma_coder *coder,
+lz_decode(void *coder_ptr,
 		const lzma_allocator *allocator lzma_attribute((__unused__)),
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size,
 		lzma_action action)
 {
+	lzma_coder *coder = coder_ptr;
+
 	if (coder->next.code == NULL)
 		return decode_buffer(coder, in, in_pos, in_size,
 				out, out_pos, out_size);
@@ -184,8 +186,10 @@ lz_decode(lzma_coder *coder,
 
 
 static void
-lz_decoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+lz_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_coder *coder = coder_ptr;
+
 	lzma_next_end(&coder->next, allocator);
 	lzma_free(coder->dict.buf, allocator);
 
@@ -207,24 +211,26 @@ lzma_lz_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 			lzma_lz_options *lz_options))
 {
 	// Allocate the base structure if it isn't already allocated.
-	if (next->coder == NULL) {
-		next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
-		if (next->coder == NULL)
+	lzma_coder *coder = next->coder;
+	if (coder == NULL) {
+		coder = lzma_alloc(sizeof(lzma_coder), allocator);
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		next->coder = coder;
 		next->code = &lz_decode;
 		next->end = &lz_decoder_end;
 
-		next->coder->dict.buf = NULL;
-		next->coder->dict.size = 0;
-		next->coder->lz = LZMA_LZ_DECODER_INIT;
-		next->coder->next = LZMA_NEXT_CODER_INIT;
+		coder->dict.buf = NULL;
+		coder->dict.size = 0;
+		coder->lz = LZMA_LZ_DECODER_INIT;
+		coder->next = LZMA_NEXT_CODER_INIT;
 	}
 
 	// Allocate and initialize the LZ-based decoder. It will also give
 	// us the dictionary size.
 	lzma_lz_options lz_options;
-	return_if_error(lz_init(&next->coder->lz, allocator,
+	return_if_error(lz_init(&coder->lz, allocator,
 			filters[0].options, &lz_options));
 
 	// If the dictionary size is very small, increase it to 4096 bytes.
@@ -248,14 +254,14 @@ lzma_lz_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 	lz_options.dict_size = (lz_options.dict_size + 15) & ~((size_t)(15));
 
 	// Allocate and initialize the dictionary.
-	if (next->coder->dict.size != lz_options.dict_size) {
-		lzma_free(next->coder->dict.buf, allocator);
-		next->coder->dict.buf
+	if (coder->dict.size != lz_options.dict_size) {
+		lzma_free(coder->dict.buf, allocator);
+		coder->dict.buf
 				= lzma_alloc(lz_options.dict_size, allocator);
-		if (next->coder->dict.buf == NULL)
+		if (coder->dict.buf == NULL)
 			return LZMA_MEM_ERROR;
 
-		next->coder->dict.size = lz_options.dict_size;
+		coder->dict.size = lz_options.dict_size;
 	}
 
 	lz_decoder_reset(next->coder);
@@ -268,21 +274,20 @@ lzma_lz_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 		const size_t copy_size = my_min(lz_options.preset_dict_size,
 				lz_options.dict_size);
 		const size_t offset = lz_options.preset_dict_size - copy_size;
-		memcpy(next->coder->dict.buf, lz_options.preset_dict + offset,
+		memcpy(coder->dict.buf, lz_options.preset_dict + offset,
 				copy_size);
-		next->coder->dict.pos = copy_size;
-		next->coder->dict.full = copy_size;
+		coder->dict.pos = copy_size;
+		coder->dict.full = copy_size;
 	}
 
 	// Miscellaneous initializations
-	next->coder->next_finished = false;
-	next->coder->this_finished = false;
-	next->coder->temp.pos = 0;
-	next->coder->temp.size = 0;
+	coder->next_finished = false;
+	coder->this_finished = false;
+	coder->temp.pos = 0;
+	coder->temp.size = 0;
 
 	// Initialize the next filter in the chain, if any.
-	return lzma_next_filter_init(&next->coder->next, allocator,
-			filters + 1);
+	return lzma_next_filter_init(&coder->next, allocator, filters + 1);
 }
 
 
@@ -294,7 +299,8 @@ lzma_lz_decoder_memusage(size_t dictionary_size)
 
 
 extern void
-lzma_lz_decoder_uncompressed(lzma_coder *coder, lzma_vli uncompressed_size)
+lzma_lz_decoder_uncompressed(void *coder_ptr, lzma_vli uncompressed_size)
 {
+	lzma_coder *coder = coder_ptr;
 	coder->lz.set_uncompressed(coder->lz.coder, uncompressed_size);
 }

src/liblzma/lz/lz_decoder.h

@@ -53,21 +53,20 @@ typedef struct {
 
 typedef struct {
 	/// Data specific to the LZ-based decoder
-	lzma_coder *coder;
+	void *coder;
 
 	/// Function to decode from in[] to *dict
-	lzma_ret (*code)(lzma_coder *restrict coder,
+	lzma_ret (*code)(void *coder,
 			lzma_dict *restrict dict, const uint8_t *restrict in,
 			size_t *restrict in_pos, size_t in_size);
 
-	void (*reset)(lzma_coder *coder, const void *options);
+	void (*reset)(void *coder, const void *options);
 
 	/// Set the uncompressed size
-	void (*set_uncompressed)(lzma_coder *coder,
-			lzma_vli uncompressed_size);
+	void (*set_uncompressed)(void *coder, lzma_vli uncompressed_size);
 
 	/// Free allocated resources
-	void (*end)(lzma_coder *coder, const lzma_allocator *allocator);
+	void (*end)(void *coder, const lzma_allocator *allocator);
 
 } lzma_lz_decoder;
 
@@ -92,7 +91,7 @@ extern lzma_ret lzma_lz_decoder_init(lzma_next_coder *next,
 extern uint64_t lzma_lz_decoder_memusage(size_t dictionary_size);
 
 extern void lzma_lz_decoder_uncompressed(
-		lzma_coder *coder, lzma_vli uncompressed_size);
+		void *coder, lzma_vli uncompressed_size);
 
 
 //////////////////////

src/liblzma/lz/lz_encoder.c

@@ -23,7 +23,7 @@
 #include "memcmplen.h"
 
 
-struct lzma_coder_s {
+typedef struct {
 	/// LZ-based encoder e.g. LZMA
 	lzma_lz_encoder lz;
 
@@ -32,7 +32,7 @@ struct lzma_coder_s {
 
 	/// Next coder in the chain
 	lzma_next_coder next;
-};
+} lzma_coder;
 
 
 /// \brief      Moves the data in the input window to free space for new data
@@ -139,7 +139,7 @@ fill_window(lzma_coder *coder, const lzma_allocator *allocator,
 			&& coder->mf.read_pos < coder->mf.read_limit) {
 		// Match finder may update coder->pending and expects it to
 		// start from zero, so use a temporary variable.
-		const size_t pending = coder->mf.pending;
+		const uint32_t pending = coder->mf.pending;
 		coder->mf.pending = 0;
 
 		// Rewind read_pos so that the match finder can hash
@@ -157,12 +157,14 @@ fill_window(lzma_coder *coder, const lzma_allocator *allocator,
 
 
 static lzma_ret
-lz_encode(lzma_coder *coder, const lzma_allocator *allocator,
+lz_encode(void *coder_ptr, const lzma_allocator *allocator,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size,
 		uint8_t *restrict out, size_t *restrict out_pos,
 		size_t out_size, lzma_action action)
 {
+	lzma_coder *coder = coder_ptr;
+
 	while (*out_pos < out_size
 			&& (*in_pos < in_size || action != LZMA_RUN)) {
 		// Read more data to coder->mf.buffer if needed.
@@ -481,8 +483,10 @@ lzma_lz_encoder_memusage(const lzma_lz_options *lz_options)
 
 
 static void
-lz_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+lz_encoder_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_coder *coder = coder_ptr;
+
 	lzma_next_end(&coder->next, allocator);
 
 	lzma_free(coder->mf.son, allocator);
@@ -500,10 +504,12 @@ lz_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
 
 
 static lzma_ret
-lz_encoder_update(lzma_coder *coder, const lzma_allocator *allocator,
+lz_encoder_update(void *coder_ptr, const lzma_allocator *allocator,
 		const lzma_filter *filters_null lzma_attribute((__unused__)),
 		const lzma_filter *reversed_filters)
 {
+	lzma_coder *coder = coder_ptr;
+
 	if (coder->lz.options_update == NULL)
 		return LZMA_PROG_ERROR;
 
@@ -528,46 +534,51 @@ lzma_lz_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 #endif
 
 	// Allocate and initialize the base data structure.
-	if (next->coder == NULL) {
-		next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
-		if (next->coder == NULL)
+	lzma_coder *coder = next->coder;
+	if (coder == NULL) {
+		coder = lzma_alloc(sizeof(lzma_coder), allocator);
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		next->coder = coder;
 		next->code = &lz_encode;
 		next->end = &lz_encoder_end;
 		next->update = &lz_encoder_update;
 
-		next->coder->lz.coder = NULL;
-		next->coder->lz.code = NULL;
-		next->coder->lz.end = NULL;
+		coder->lz.coder = NULL;
+		coder->lz.code = NULL;
+		coder->lz.end = NULL;
 
-		next->coder->mf.buffer = NULL;
-		next->coder->mf.hash = NULL;
-		next->coder->mf.son = NULL;
-		next->coder->mf.hash_count = 0;
-		next->coder->mf.sons_count = 0;
+		// mf.size is initialized to silence Valgrind
+		// when used on optimized binaries (GCC may reorder
+		// code in a way that Valgrind gets unhappy).
+		coder->mf.buffer = NULL;
+		coder->mf.size = 0;
+		coder->mf.hash = NULL;
+		coder->mf.son = NULL;
+		coder->mf.hash_count = 0;
+		coder->mf.sons_count = 0;
 
-		next->coder->next = LZMA_NEXT_CODER_INIT;
+		coder->next = LZMA_NEXT_CODER_INIT;
 	}
 
 	// Initialize the LZ-based encoder.
 	lzma_lz_options lz_options;
-	return_if_error(lz_init(&next->coder->lz, allocator,
+	return_if_error(lz_init(&coder->lz, allocator,
 			filters[0].options, &lz_options));
 
-	// Setup the size information into next->coder->mf and deallocate
+	// Setup the size information into coder->mf and deallocate
 	// old buffers if they have wrong size.
-	if (lz_encoder_prepare(&next->coder->mf, allocator, &lz_options))
+	if (lz_encoder_prepare(&coder->mf, allocator, &lz_options))
 		return LZMA_OPTIONS_ERROR;
 
 	// Allocate new buffers if needed, and do the rest of
 	// the initialization.
-	if (lz_encoder_init(&next->coder->mf, allocator, &lz_options))
+	if (lz_encoder_init(&coder->mf, allocator, &lz_options))
 		return LZMA_MEM_ERROR;
 
 	// Initialize the next filter in the chain, if any.
-	return lzma_next_filter_init(&next->coder->next, allocator,
-			filters + 1);
+	return lzma_next_filter_init(&coder->next, allocator, filters + 1);
 }
 
 

src/liblzma/lz/lz_encoder.h

@@ -191,19 +191,18 @@ typedef struct {
 
 typedef struct {
 	/// Data specific to the LZ-based encoder
-	lzma_coder *coder;
+	void *coder;
 
 	/// Function to encode from *dict to out[]
-	lzma_ret (*code)(lzma_coder *restrict coder,
+	lzma_ret (*code)(void *coder,
 			lzma_mf *restrict mf, uint8_t *restrict out,
 			size_t *restrict out_pos, size_t out_size);
 
 	/// Free allocated resources
-	void (*end)(lzma_coder *coder, const lzma_allocator *allocator);
+	void (*end)(void *coder, const lzma_allocator *allocator);
 
 	/// Update the options in the middle of the encoding.
-	lzma_ret (*options_update)(lzma_coder *coder,
-			const lzma_filter *filter);
+	lzma_ret (*options_update)(void *coder, const lzma_filter *filter);
 
 } lzma_lz_encoder;
 

src/liblzma/lzma/Makefile.inc

@@ -9,12 +9,16 @@ EXTRA_DIST += lzma/fastpos_tablegen.c
 
 liblzma_la_SOURCES += lzma/lzma_common.h
 
+if COND_FILTER_LZMA1
+liblzma_la_SOURCES += \
+	lzma/lzma_encoder_presets.c
+endif
+
 if COND_ENCODER_LZMA1
 liblzma_la_SOURCES += \
 	lzma/fastpos.h \
 	lzma/lzma_encoder.h \
 	lzma/lzma_encoder.c \
-	lzma/lzma_encoder_presets.c \
 	lzma/lzma_encoder_private.h \
 	lzma/lzma_encoder_optimum_fast.c \
 	lzma/lzma_encoder_optimum_normal.c

src/liblzma/lzma/lzma2_decoder.c

@@ -16,7 +16,7 @@
 #include "lzma_decoder.h"
 
 
-struct lzma_coder_s {
+typedef struct {
 	enum sequence {
 		SEQ_CONTROL,
 		SEQ_UNCOMPRESSED_1,
@@ -50,14 +50,16 @@ struct lzma_coder_s {
 	bool need_dictionary_reset;
 
 	lzma_options_lzma options;
-};
+} lzma_lzma2_coder;
 
 
 static lzma_ret
-lzma2_decode(lzma_coder *restrict coder, lzma_dict *restrict dict,
+lzma2_decode(void *coder_ptr, lzma_dict *restrict dict,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size)
 {
+	lzma_lzma2_coder *restrict coder = coder_ptr;
+
 	// With SEQ_LZMA it is possible that no new input is needed to do
 	// some progress. The rest of the sequences assume that there is
 	// at least one byte of input.
@@ -209,8 +211,10 @@ lzma2_decode(lzma_coder *restrict coder, lzma_dict *restrict dict,
 
 
 static void
-lzma2_decoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+lzma2_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_lzma2_coder *coder = coder_ptr;
+
 	assert(coder->lzma.end == NULL);
 	lzma_free(coder->lzma.coder, allocator);
 
@@ -224,25 +228,27 @@ static lzma_ret
 lzma2_decoder_init(lzma_lz_decoder *lz, const lzma_allocator *allocator,
 		const void *opt, lzma_lz_options *lz_options)
 {
-	if (lz->coder == NULL) {
-		lz->coder = lzma_alloc(sizeof(lzma_coder), allocator);
-		if (lz->coder == NULL)
+	lzma_lzma2_coder *coder = lz->coder;
+	if (coder == NULL) {
+		coder = lzma_alloc(sizeof(lzma_lzma2_coder), allocator);
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		lz->coder = coder;
 		lz->code = &lzma2_decode;
 		lz->end = &lzma2_decoder_end;
 
-		lz->coder->lzma = LZMA_LZ_DECODER_INIT;
+		coder->lzma = LZMA_LZ_DECODER_INIT;
 	}
 
 	const lzma_options_lzma *options = opt;
 
-	lz->coder->sequence = SEQ_CONTROL;
-	lz->coder->need_properties = true;
-	lz->coder->need_dictionary_reset = options->preset_dict == NULL
+	coder->sequence = SEQ_CONTROL;
+	coder->need_properties = true;
+	coder->need_dictionary_reset = options->preset_dict == NULL
 			|| options->preset_dict_size == 0;
 
-	return lzma_lzma_decoder_create(&lz->coder->lzma,
+	return lzma_lzma_decoder_create(&coder->lzma,
 			allocator, options, lz_options);
 }
 
@@ -263,7 +269,7 @@ lzma_lzma2_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 extern uint64_t
 lzma_lzma2_decoder_memusage(const void *options)
 {
-	return sizeof(lzma_coder)
+	return sizeof(lzma_lzma2_coder)
 			+ lzma_lzma_decoder_memusage_nocheck(options);
 }
 

src/liblzma/lzma/lzma2_encoder.c

@@ -17,7 +17,7 @@
 #include "lzma2_encoder.h"
 
 
-struct lzma_coder_s {
+typedef struct {
 	enum {
 		SEQ_INIT,
 		SEQ_LZMA_ENCODE,
@@ -27,7 +27,7 @@ struct lzma_coder_s {
 	} sequence;
 
 	/// LZMA encoder
-	lzma_coder *lzma;
+	void *lzma;
 
 	/// LZMA options currently in use.
 	lzma_options_lzma opt_cur;
@@ -48,11 +48,11 @@ struct lzma_coder_s {
 
 	/// Buffer to hold the chunk header and LZMA compressed data
 	uint8_t buf[LZMA2_HEADER_MAX + LZMA2_CHUNK_MAX];
-};
+} lzma_lzma2_coder;
 
 
 static void
-lzma2_header_lzma(lzma_coder *coder)
+lzma2_header_lzma(lzma_lzma2_coder *coder)
 {
 	assert(coder->uncompressed_size > 0);
 	assert(coder->uncompressed_size <= LZMA2_UNCOMPRESSED_MAX);
@@ -108,7 +108,7 @@ lzma2_header_lzma(lzma_coder *coder)
 
 
 static void
-lzma2_header_uncompressed(lzma_coder *coder)
+lzma2_header_uncompressed(lzma_lzma2_coder *coder)
 {
 	assert(coder->uncompressed_size > 0);
 	assert(coder->uncompressed_size <= LZMA2_CHUNK_MAX);
@@ -133,10 +133,12 @@ lzma2_header_uncompressed(lzma_coder *coder)
 
 
 static lzma_ret
-lzma2_encode(lzma_coder *restrict coder, lzma_mf *restrict mf,
+lzma2_encode(void *coder_ptr, lzma_mf *restrict mf,
 		uint8_t *restrict out, size_t *restrict out_pos,
 		size_t out_size)
 {
+	lzma_lzma2_coder *restrict coder = coder_ptr;
+
 	while (*out_pos < out_size)
 	switch (coder->sequence) {
 	case SEQ_INIT:
@@ -262,8 +264,9 @@ lzma2_encode(lzma_coder *restrict coder, lzma_mf *restrict mf,
 
 
 static void
-lzma2_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+lzma2_encoder_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_lzma2_coder *coder = coder_ptr;
 	lzma_free(coder->lzma, allocator);
 	lzma_free(coder, allocator);
 	return;
@@ -271,8 +274,10 @@ lzma2_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
 
 
 static lzma_ret
-lzma2_encoder_options_update(lzma_coder *coder, const lzma_filter *filter)
+lzma2_encoder_options_update(void *coder_ptr, const lzma_filter *filter)
 {
+	lzma_lzma2_coder *coder = coder_ptr;
+
 	// New options can be set only when there is no incomplete chunk.
 	// This is the case at the beginning of the raw stream and right
 	// after LZMA_SYNC_FLUSH.
@@ -310,30 +315,32 @@ lzma2_encoder_init(lzma_lz_encoder *lz, const lzma_allocator *allocator,
 	if (options == NULL)
 		return LZMA_PROG_ERROR;
 
-	if (lz->coder == NULL) {
-		lz->coder = lzma_alloc(sizeof(lzma_coder), allocator);
-		if (lz->coder == NULL)
+	lzma_lzma2_coder *coder = lz->coder;
+	if (coder == NULL) {
+		coder = lzma_alloc(sizeof(lzma_lzma2_coder), allocator);
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		lz->coder = coder;
 		lz->code = &lzma2_encode;
 		lz->end = &lzma2_encoder_end;
 		lz->options_update = &lzma2_encoder_options_update;
 
-		lz->coder->lzma = NULL;
+		coder->lzma = NULL;
 	}
 
-	lz->coder->opt_cur = *(const lzma_options_lzma *)(options);
+	coder->opt_cur = *(const lzma_options_lzma *)(options);
 
-	lz->coder->sequence = SEQ_INIT;
-	lz->coder->need_properties = true;
-	lz->coder->need_state_reset = false;
-	lz->coder->need_dictionary_reset
-			= lz->coder->opt_cur.preset_dict == NULL
-			|| lz->coder->opt_cur.preset_dict_size == 0;
+	coder->sequence = SEQ_INIT;
+	coder->need_properties = true;
+	coder->need_state_reset = false;
+	coder->need_dictionary_reset
+			= coder->opt_cur.preset_dict == NULL
+			|| coder->opt_cur.preset_dict_size == 0;
 
 	// Initialize LZMA encoder
-	return_if_error(lzma_lzma_encoder_create(&lz->coder->lzma, allocator,
-			&lz->coder->opt_cur, lz_options));
+	return_if_error(lzma_lzma_encoder_create(&coder->lzma, allocator,
+			&coder->opt_cur, lz_options));
 
 	// Make sure that we will always have enough history available in
 	// case we need to use uncompressed chunks. They are used when the
@@ -364,7 +371,7 @@ lzma_lzma2_encoder_memusage(const void *options)
 	if (lzma_mem == UINT64_MAX)
 		return UINT64_MAX;
 
-	return sizeof(lzma_coder) + lzma_mem;
+	return sizeof(lzma_lzma2_coder) + lzma_mem;
 }
 
 

src/liblzma/lzma/lzma_decoder.c

@@ -161,7 +161,7 @@ typedef struct {
 } lzma_length_decoder;
 
 
-struct lzma_coder_s {
+typedef struct {
 	///////////////////
 	// Probabilities //
 	///////////////////
@@ -277,14 +277,16 @@ struct lzma_coder_s {
 	/// If decoding a literal: match byte.
 	/// If decoding a match: length of the match.
 	uint32_t len;
-};
+} lzma_lzma1_decoder;
 
 
 static lzma_ret
-lzma_decode(lzma_coder *restrict coder, lzma_dict *restrict dictptr,
+lzma_decode(void *coder_ptr, lzma_dict *restrict dictptr,
 		const uint8_t *restrict in,
 		size_t *restrict in_pos, size_t in_size)
 {
+	lzma_lzma1_decoder *restrict coder = coder_ptr;
+
 	////////////////////
 	// Initialization //
 	////////////////////
@@ -840,23 +842,17 @@ out:
 
 
 static void
-lzma_decoder_uncompressed(lzma_coder *coder, lzma_vli uncompressed_size)
+lzma_decoder_uncompressed(void *coder_ptr, lzma_vli uncompressed_size)
 {
+	lzma_lzma1_decoder *coder = coder_ptr;
 	coder->uncompressed_size = uncompressed_size;
 }
 
-/*
-extern void
-lzma_lzma_decoder_uncompressed(void *coder_ptr, lzma_vli uncompressed_size)
-{
-	// This is hack.
-	(*(lzma_coder **)(coder))->uncompressed_size = uncompressed_size;
-}
-*/
 
 static void
-lzma_decoder_reset(lzma_coder *coder, const void *opt)
+lzma_decoder_reset(void *coder_ptr, const void *opt)
 {
+	lzma_lzma1_decoder *coder = coder_ptr;
 	const lzma_options_lzma *options = opt;
 
 	// NOTE: We assume that lc/lp/pb are valid since they were
@@ -941,7 +937,7 @@ lzma_lzma_decoder_create(lzma_lz_decoder *lz, const lzma_allocator *allocator,
 		const void *opt, lzma_lz_options *lz_options)
 {
 	if (lz->coder == NULL) {
-		lz->coder = lzma_alloc(sizeof(lzma_coder), allocator);
+		lz->coder = lzma_alloc(sizeof(lzma_lzma1_decoder), allocator);
 		if (lz->coder == NULL)
 			return LZMA_MEM_ERROR;
 
@@ -1014,7 +1010,8 @@ extern uint64_t
 lzma_lzma_decoder_memusage_nocheck(const void *options)
 {
 	const lzma_options_lzma *const opt = options;
-	return sizeof(lzma_coder) + lzma_lz_decoder_memusage(opt->dict_size);
+	return sizeof(lzma_lzma1_decoder)
+			+ lzma_lz_decoder_memusage(opt->dict_size);
 }
 
 

src/liblzma/lzma/lzma_encoder.c

@@ -43,7 +43,7 @@ literal_matched(lzma_range_encoder *rc, probability *subcoder,
 
 
 static inline void
-literal(lzma_coder *coder, lzma_mf *mf, uint32_t position)
+literal(lzma_lzma1_encoder *coder, lzma_mf *mf, uint32_t position)
 {
 	// Locate the literal byte to be encoded and the subcoder.
 	const uint8_t cur_byte = mf->buffer[
@@ -140,7 +140,7 @@ length(lzma_range_encoder *rc, lzma_length_encoder *lc,
 ///////////
 
 static inline void
-match(lzma_coder *coder, const uint32_t pos_state,
+match(lzma_lzma1_encoder *coder, const uint32_t pos_state,
 		const uint32_t distance, const uint32_t len)
 {
 	update_match(coder->state);
@@ -187,7 +187,7 @@ match(lzma_coder *coder, const uint32_t pos_state,
 ////////////////////
 
 static inline void
-rep_match(lzma_coder *coder, const uint32_t pos_state,
+rep_match(lzma_lzma1_encoder *coder, const uint32_t pos_state,
 		const uint32_t rep, const uint32_t len)
 {
 	if (rep == 0) {
@@ -231,7 +231,7 @@ rep_match(lzma_coder *coder, const uint32_t pos_state,
 //////////
 
 static void
-encode_symbol(lzma_coder *coder, lzma_mf *mf,
+encode_symbol(lzma_lzma1_encoder *coder, lzma_mf *mf,
 		uint32_t back, uint32_t len, uint32_t position)
 {
 	const uint32_t pos_state = position & coder->pos_mask;
@@ -265,7 +265,7 @@ encode_symbol(lzma_coder *coder, lzma_mf *mf,
 
 
 static bool
-encode_init(lzma_coder *coder, lzma_mf *mf)
+encode_init(lzma_lzma1_encoder *coder, lzma_mf *mf)
 {
 	assert(mf_position(mf) == 0);
 
@@ -293,7 +293,7 @@ encode_init(lzma_coder *coder, lzma_mf *mf)
 
 
 static void
-encode_eopm(lzma_coder *coder, uint32_t position)
+encode_eopm(lzma_lzma1_encoder *coder, uint32_t position)
 {
 	const uint32_t pos_state = position & coder->pos_mask;
 	rc_bit(&coder->rc, &coder->is_match[coder->state][pos_state], 1);
@@ -309,7 +309,7 @@ encode_eopm(lzma_coder *coder, uint32_t position)
 
 
 extern lzma_ret
-lzma_lzma_encode(lzma_coder *restrict coder, lzma_mf *restrict mf,
+lzma_lzma_encode(lzma_lzma1_encoder *restrict coder, lzma_mf *restrict mf,
 		uint8_t *restrict out, size_t *restrict out_pos,
 		size_t out_size, uint32_t limit)
 {
@@ -402,7 +402,7 @@ lzma_lzma_encode(lzma_coder *restrict coder, lzma_mf *restrict mf,
 
 
 static lzma_ret
-lzma_encode(lzma_coder *restrict coder, lzma_mf *restrict mf,
+lzma_encode(void *coder, lzma_mf *restrict mf,
 		uint8_t *restrict out, size_t *restrict out_pos,
 		size_t out_size)
 {
@@ -464,7 +464,7 @@ length_encoder_reset(lzma_length_encoder *lencoder,
 	bittree_reset(lencoder->high, LEN_HIGH_BITS);
 
 	if (!fast_mode)
-		for (size_t pos_state = 0; pos_state < num_pos_states;
+		for (uint32_t pos_state = 0; pos_state < num_pos_states;
 				++pos_state)
 			length_update_prices(lencoder, pos_state);
 
@@ -473,7 +473,8 @@ length_encoder_reset(lzma_length_encoder *lencoder,
 
 
 extern lzma_ret
-lzma_lzma_encoder_reset(lzma_coder *coder, const lzma_options_lzma *options)
+lzma_lzma_encoder_reset(lzma_lzma1_encoder *coder,
+		const lzma_options_lzma *options)
 {
 	if (!is_options_valid(options))
 		return LZMA_OPTIONS_ERROR;
@@ -545,18 +546,18 @@ lzma_lzma_encoder_reset(lzma_coder *coder, const lzma_options_lzma *options)
 
 
 extern lzma_ret
-lzma_lzma_encoder_create(lzma_coder **coder_ptr,
+lzma_lzma_encoder_create(void **coder_ptr,
 		const lzma_allocator *allocator,
 		const lzma_options_lzma *options, lzma_lz_options *lz_options)
 {
-	// Allocate lzma_coder if it wasn't already allocated.
+	// Allocate lzma_lzma1_encoder if it wasn't already allocated.
 	if (*coder_ptr == NULL) {
-		*coder_ptr = lzma_alloc(sizeof(lzma_coder), allocator);
+		*coder_ptr = lzma_alloc(sizeof(lzma_lzma1_encoder), allocator);
 		if (*coder_ptr == NULL)
 			return LZMA_MEM_ERROR;
 	}
 
-	lzma_coder *coder = *coder_ptr;
+	lzma_lzma1_encoder *coder = *coder_ptr;
 
 	// Set compression mode. We haven't validates the options yet,
 	// but it's OK here, since nothing bad happens with invalid
@@ -636,7 +637,7 @@ lzma_lzma_encoder_memusage(const void *options)
 	if (lz_memusage == UINT64_MAX)
 		return UINT64_MAX;
 
-	return (uint64_t)(sizeof(lzma_coder)) + lz_memusage;
+	return (uint64_t)(sizeof(lzma_lzma1_encoder)) + lz_memusage;
 }
 
 

src/liblzma/lzma/lzma_encoder.h

@@ -17,6 +17,9 @@
 #include "common.h"
 
 
+typedef struct lzma_lzma1_encoder_s lzma_lzma1_encoder;
+
+
 extern lzma_ret lzma_lzma_encoder_init(lzma_next_coder *next,
 		const lzma_allocator *allocator,
 		const lzma_filter_info *filters);
@@ -36,16 +39,16 @@ extern bool lzma_lzma_lclppb_encode(
 
 /// Initializes raw LZMA encoder; this is used by LZMA2.
 extern lzma_ret lzma_lzma_encoder_create(
-		lzma_coder **coder_ptr, const lzma_allocator *allocator,
+		void **coder_ptr, const lzma_allocator *allocator,
 		const lzma_options_lzma *options, lzma_lz_options *lz_options);
 
 
 /// Resets an already initialized LZMA encoder; this is used by LZMA2.
 extern lzma_ret lzma_lzma_encoder_reset(
-		lzma_coder *coder, const lzma_options_lzma *options);
+		lzma_lzma1_encoder *coder, const lzma_options_lzma *options);
 
 
-extern lzma_ret lzma_lzma_encode(lzma_coder *restrict coder,
+extern lzma_ret lzma_lzma_encode(lzma_lzma1_encoder *restrict coder,
 		lzma_mf *restrict mf, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size,
 		uint32_t read_limit);

src/liblzma/lzma/lzma_encoder_optimum_fast.c

@@ -18,7 +18,8 @@
 
 
 extern void
-lzma_lzma_optimum_fast(lzma_coder *restrict coder, lzma_mf *restrict mf,
+lzma_lzma_optimum_fast(lzma_lzma1_encoder *restrict coder,
+		lzma_mf *restrict mf,
 		uint32_t *restrict back_res, uint32_t *restrict len_res)
 {
 	const uint32_t nice_len = mf->nice_len;

src/liblzma/lzma/lzma_encoder_optimum_normal.c

@@ -19,7 +19,7 @@
 ////////////
 
 static uint32_t
-get_literal_price(const lzma_coder *const coder, const uint32_t pos,
+get_literal_price(const lzma_lzma1_encoder *const coder, const uint32_t pos,
 		const uint32_t prev_byte, const bool match_mode,
 		uint32_t match_byte, uint32_t symbol)
 {
@@ -65,7 +65,7 @@ get_len_price(const lzma_length_encoder *const lencoder,
 
 
 static inline uint32_t
-get_short_rep_price(const lzma_coder *const coder,
+get_short_rep_price(const lzma_lzma1_encoder *const coder,
 		const lzma_lzma_state state, const uint32_t pos_state)
 {
 	return rc_bit_0_price(coder->is_rep0[state])
@@ -74,7 +74,7 @@ get_short_rep_price(const lzma_coder *const coder,
 
 
 static inline uint32_t
-get_pure_rep_price(const lzma_coder *const coder, const uint32_t rep_index,
+get_pure_rep_price(const lzma_lzma1_encoder *const coder, const uint32_t rep_index,
 		const lzma_lzma_state state, uint32_t pos_state)
 {
 	uint32_t price;
@@ -99,7 +99,7 @@ get_pure_rep_price(const lzma_coder *const coder, const uint32_t rep_index,
 
 
 static inline uint32_t
-get_rep_price(const lzma_coder *const coder, const uint32_t rep_index,
+get_rep_price(const lzma_lzma1_encoder *const coder, const uint32_t rep_index,
 		const uint32_t len, const lzma_lzma_state state,
 		const uint32_t pos_state)
 {
@@ -109,7 +109,7 @@ get_rep_price(const lzma_coder *const coder, const uint32_t rep_index,
 
 
 static inline uint32_t
-get_dist_len_price(const lzma_coder *const coder, const uint32_t dist,
+get_dist_len_price(const lzma_lzma1_encoder *const coder, const uint32_t dist,
 		const uint32_t len, const uint32_t pos_state)
 {
 	const uint32_t dist_state = get_dist_state(len);
@@ -130,7 +130,7 @@ get_dist_len_price(const lzma_coder *const coder, const uint32_t dist,
 
 
 static void
-fill_dist_prices(lzma_coder *coder)
+fill_dist_prices(lzma_lzma1_encoder *coder)
 {
 	for (uint32_t dist_state = 0; dist_state < DIST_STATES; ++dist_state) {
 
@@ -185,7 +185,7 @@ fill_dist_prices(lzma_coder *coder)
 
 
 static void
-fill_align_prices(lzma_coder *coder)
+fill_align_prices(lzma_lzma1_encoder *coder)
 {
 	for (uint32_t i = 0; i < ALIGN_SIZE; ++i)
 		coder->align_prices[i] = rc_bittree_reverse_price(
@@ -221,7 +221,7 @@ make_short_rep(lzma_optimal *optimal)
 
 
 static void
-backward(lzma_coder *restrict coder, uint32_t *restrict len_res,
+backward(lzma_lzma1_encoder *restrict coder, uint32_t *restrict len_res,
 		uint32_t *restrict back_res, uint32_t cur)
 {
 	coder->opts_end_index = cur;
@@ -269,7 +269,7 @@ backward(lzma_coder *restrict coder, uint32_t *restrict len_res,
 //////////
 
 static inline uint32_t
-helper1(lzma_coder *restrict coder, lzma_mf *restrict mf,
+helper1(lzma_lzma1_encoder *restrict coder, lzma_mf *restrict mf,
 		uint32_t *restrict back_res, uint32_t *restrict len_res,
 		uint32_t position)
 {
@@ -441,7 +441,7 @@ helper1(lzma_coder *restrict coder, lzma_mf *restrict mf,
 
 
 static inline uint32_t
-helper2(lzma_coder *coder, uint32_t *reps, const uint8_t *buf,
+helper2(lzma_lzma1_encoder *coder, uint32_t *reps, const uint8_t *buf,
 		uint32_t len_end, uint32_t position, const uint32_t cur,
 		const uint32_t nice_len, const uint32_t buf_avail_full)
 {
@@ -797,7 +797,8 @@ helper2(lzma_coder *coder, uint32_t *reps, const uint8_t *buf,
 
 
 extern void
-lzma_lzma_optimum_normal(lzma_coder *restrict coder, lzma_mf *restrict mf,
+lzma_lzma_optimum_normal(lzma_lzma1_encoder *restrict coder,
+		lzma_mf *restrict mf,
 		uint32_t *restrict back_res, uint32_t *restrict len_res,
 		uint32_t position)
 {

src/liblzma/lzma/lzma_encoder_presets.c

@@ -2,6 +2,7 @@
 //
 /// \file       lzma_encoder_presets.c
 /// \brief      Encoder presets
+/// \note       xz needs this even when only decoding is enabled.
 //
 //  Author:     Lasse Collin
 //

src/liblzma/lzma/lzma_encoder_private.h

@@ -69,7 +69,7 @@ typedef struct {
 } lzma_optimal;
 
 
-struct lzma_coder_s {
+struct lzma_lzma1_encoder_s {
 	/// Range encoder
 	lzma_range_encoder rc;
 
@@ -138,10 +138,10 @@ struct lzma_coder_s {
 
 
 extern void lzma_lzma_optimum_fast(
-		lzma_coder *restrict coder, lzma_mf *restrict mf,
+		lzma_lzma1_encoder *restrict coder, lzma_mf *restrict mf,
 		uint32_t *restrict back_res, uint32_t *restrict len_res);
 
-extern void lzma_lzma_optimum_normal(lzma_coder *restrict coder,
+extern void lzma_lzma_optimum_normal(lzma_lzma1_encoder *restrict coder,
 		lzma_mf *restrict mf, uint32_t *restrict back_res,
 		uint32_t *restrict len_res, uint32_t position);
 

src/liblzma/simple/arm.c

@@ -15,7 +15,7 @@
 
 
 static size_t
-arm_code(lzma_simple *simple lzma_attribute((__unused__)),
+arm_code(void *simple lzma_attribute((__unused__)),
 		uint32_t now_pos, bool is_encoder,
 		uint8_t *buffer, size_t size)
 {

src/liblzma/simple/armthumb.c

@@ -15,7 +15,7 @@
 
 
 static size_t
-armthumb_code(lzma_simple *simple lzma_attribute((__unused__)),
+armthumb_code(void *simple lzma_attribute((__unused__)),
 		uint32_t now_pos, bool is_encoder,
 		uint8_t *buffer, size_t size)
 {

src/liblzma/simple/ia64.c

@@ -15,7 +15,7 @@
 
 
 static size_t
-ia64_code(lzma_simple *simple lzma_attribute((__unused__)),
+ia64_code(void *simple lzma_attribute((__unused__)),
 		uint32_t now_pos, bool is_encoder,
 		uint8_t *buffer, size_t size)
 {

src/liblzma/simple/powerpc.c

@@ -15,7 +15,7 @@
 
 
 static size_t
-powerpc_code(lzma_simple *simple lzma_attribute((__unused__)),
+powerpc_code(void *simple lzma_attribute((__unused__)),
 		uint32_t now_pos, bool is_encoder,
 		uint8_t *buffer, size_t size)
 {

src/liblzma/simple/simple_coder.c

@@ -18,7 +18,7 @@
 
 /// Copied or encodes/decodes more data to out[].
 static lzma_ret
-copy_or_code(lzma_coder *coder, const lzma_allocator *allocator,
+copy_or_code(lzma_simple_coder *coder, const lzma_allocator *allocator,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size, lzma_action action)
@@ -55,7 +55,7 @@ copy_or_code(lzma_coder *coder, const lzma_allocator *allocator,
 
 
 static size_t
-call_filter(lzma_coder *coder, uint8_t *buffer, size_t size)
+call_filter(lzma_simple_coder *coder, uint8_t *buffer, size_t size)
 {
 	const size_t filtered = coder->filter(coder->simple,
 			coder->now_pos, coder->is_encoder,
@@ -66,11 +66,13 @@ call_filter(lzma_coder *coder, uint8_t *buffer, size_t size)
 
 
 static lzma_ret
-simple_code(lzma_coder *coder, const lzma_allocator *allocator,
+simple_code(void *coder_ptr, const lzma_allocator *allocator,
 		const uint8_t *restrict in, size_t *restrict in_pos,
 		size_t in_size, uint8_t *restrict out,
 		size_t *restrict out_pos, size_t out_size, lzma_action action)
 {
+	lzma_simple_coder *coder = coder_ptr;
+
 	// TODO: Add partial support for LZMA_SYNC_FLUSH. We can support it
 	// in cases when the filter is able to filter everything. With most
 	// simple filters it can be done at offset that is a multiple of 2,
@@ -198,8 +200,9 @@ simple_code(lzma_coder *coder, const lzma_allocator *allocator,
 
 
 static void
-simple_coder_end(lzma_coder *coder, const lzma_allocator *allocator)
+simple_coder_end(void *coder_ptr, const lzma_allocator *allocator)
 {
+	lzma_simple_coder *coder = coder_ptr;
 	lzma_next_end(&coder->next, allocator);
 	lzma_free(coder->simple, allocator);
 	lzma_free(coder, allocator);
@@ -208,10 +211,12 @@ simple_coder_end(lzma_coder *coder, const lzma_allocator *allocator)
 
 
 static lzma_ret
-simple_coder_update(lzma_coder *coder, const lzma_allocator *allocator,
+simple_coder_update(void *coder_ptr, const lzma_allocator *allocator,
 		const lzma_filter *filters_null lzma_attribute((__unused__)),
 		const lzma_filter *reversed_filters)
 {
+	lzma_simple_coder *coder = coder_ptr;
+
 	// No update support, just call the next filter in the chain.
 	return lzma_next_filter_update(
 			&coder->next, allocator, reversed_filters + 1);
@@ -221,57 +226,57 @@ simple_coder_update(lzma_coder *coder, const lzma_allocator *allocator,
 extern lzma_ret
 lzma_simple_coder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 		const lzma_filter_info *filters,
-		size_t (*filter)(lzma_simple *simple, uint32_t now_pos,
+		size_t (*filter)(void *simple, uint32_t now_pos,
 			bool is_encoder, uint8_t *buffer, size_t size),
 		size_t simple_size, size_t unfiltered_max,
 		uint32_t alignment, bool is_encoder)
 {
-	// Allocate memory for the lzma_coder structure if needed.
-	if (next->coder == NULL) {
+	// Allocate memory for the lzma_simple_coder structure if needed.
+	lzma_simple_coder *coder = next->coder;
+	if (coder == NULL) {
 		// Here we allocate space also for the temporary buffer. We
 		// need twice the size of unfiltered_max, because then it
 		// is always possible to filter at least unfiltered_max bytes
 		// more data in coder->buffer[] if it can be filled completely.
-		next->coder = lzma_alloc(sizeof(lzma_coder)
+		coder = lzma_alloc(sizeof(lzma_simple_coder)
 				+ 2 * unfiltered_max, allocator);
-		if (next->coder == NULL)
+		if (coder == NULL)
 			return LZMA_MEM_ERROR;
 
+		next->coder = coder;
 		next->code = &simple_code;
 		next->end = &simple_coder_end;
 		next->update = &simple_coder_update;
 
-		next->coder->next = LZMA_NEXT_CODER_INIT;
-		next->coder->filter = filter;
-		next->coder->allocated = 2 * unfiltered_max;
+		coder->next = LZMA_NEXT_CODER_INIT;
+		coder->filter = filter;
+		coder->allocated = 2 * unfiltered_max;
 
 		// Allocate memory for filter-specific data structure.
 		if (simple_size > 0) {
-			next->coder->simple = lzma_alloc(
-					simple_size, allocator);
-			if (next->coder->simple == NULL)
+			coder->simple = lzma_alloc(simple_size, allocator);
+			if (coder->simple == NULL)
 				return LZMA_MEM_ERROR;
 		} else {
-			next->coder->simple = NULL;
+			coder->simple = NULL;
 		}
 	}
 
 	if (filters[0].options != NULL) {
 		const lzma_options_bcj *simple = filters[0].options;
-		next->coder->now_pos = simple->start_offset;
-		if (next->coder->now_pos & (alignment - 1))
+		coder->now_pos = simple->start_offset;
+		if (coder->now_pos & (alignment - 1))
 			return LZMA_OPTIONS_ERROR;
 	} else {
-		next->coder->now_pos = 0;
+		coder->now_pos = 0;
 	}
 
 	// Reset variables.
-	next->coder->is_encoder = is_encoder;
-	next->coder->end_was_reached = false;
-	next->coder->pos = 0;
-	next->coder->filtered = 0;
-	next->coder->size = 0;
+	coder->is_encoder = is_encoder;
+	coder->end_was_reached = false;
+	coder->pos = 0;
+	coder->filtered = 0;
+	coder->size = 0;
 
-	return lzma_next_filter_init(
-			&next->coder->next, allocator, filters + 1);
+	return lzma_next_filter_init(&coder->next, allocator, filters + 1);
 }

src/liblzma/simple/simple_private.h

@@ -16,9 +16,7 @@
 #include "simple_coder.h"
 
 
-typedef struct lzma_simple_s lzma_simple;
-
-struct lzma_coder_s {
+typedef struct {
 	/// Next filter in the chain
 	lzma_next_coder next;
 
@@ -33,12 +31,12 @@ struct lzma_coder_s {
 
 	/// Pointer to filter-specific function, which does
 	/// the actual filtering.
-	size_t (*filter)(lzma_simple *simple, uint32_t now_pos,
+	size_t (*filter)(void *simple, uint32_t now_pos,
 			bool is_encoder, uint8_t *buffer, size_t size);
 
 	/// Pointer to filter-specific data, or NULL if filter doesn't need
 	/// any extra data.
-	lzma_simple *simple;
+	void *simple;
 
 	/// The lowest 32 bits of the current position in the data. Most
 	/// filters need this to do conversions between absolute and relative
@@ -62,13 +60,13 @@ struct lzma_coder_s {
 
 	/// Temporary buffer
 	uint8_t buffer[];
-};
+} lzma_simple_coder;
 
 
 extern lzma_ret lzma_simple_coder_init(lzma_next_coder *next,
 		const lzma_allocator *allocator,
 		const lzma_filter_info *filters,
-		size_t (*filter)(lzma_simple *simple, uint32_t now_pos,
+		size_t (*filter)(void *simple, uint32_t now_pos,
 			bool is_encoder, uint8_t *buffer, size_t size),
 		size_t simple_size, size_t unfiltered_max,
 		uint32_t alignment, bool is_encoder);

src/liblzma/simple/sparc.c

@@ -15,7 +15,7 @@
 
 
 static size_t
-sparc_code(lzma_simple *simple lzma_attribute((__unused__)),
+sparc_code(void *simple lzma_attribute((__unused__)),
 		uint32_t now_pos, bool is_encoder,
 		uint8_t *buffer, size_t size)
 {

src/liblzma/simple/x86.c

@@ -17,14 +17,14 @@
 #define Test86MSByte(b) ((b) == 0 || (b) == 0xFF)
 
 
-struct lzma_simple_s {
+typedef struct {
 	uint32_t prev_mask;
 	uint32_t prev_pos;
-};
+} lzma_simple_x86;
 
 
 static size_t
-x86_code(lzma_simple *simple, uint32_t now_pos, bool is_encoder,
+x86_code(void *simple_ptr, uint32_t now_pos, bool is_encoder,
 		uint8_t *buffer, size_t size)
 {
 	static const bool MASK_TO_ALLOWED_STATUS[8]
@@ -33,6 +33,7 @@ x86_code(lzma_simple *simple, uint32_t now_pos, bool is_encoder,
 	static const uint32_t MASK_TO_BIT_NUMBER[8]
 			= { 0, 1, 2, 2, 3, 3, 3, 3 };
 
+	lzma_simple_x86 *simple = simple_ptr;
 	uint32_t prev_mask = simple->prev_mask;
 	uint32_t prev_pos = simple->prev_pos;
 
@@ -127,11 +128,13 @@ x86_coder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 		const lzma_filter_info *filters, bool is_encoder)
 {
 	const lzma_ret ret = lzma_simple_coder_init(next, allocator, filters,
-			&x86_code, sizeof(lzma_simple), 5, 1, is_encoder);
+			&x86_code, sizeof(lzma_simple_x86), 5, 1, is_encoder);
 
 	if (ret == LZMA_OK) {
-		next->coder->simple->prev_mask = 0;
-		next->coder->simple->prev_pos = (uint32_t)(-5);
+		lzma_simple_coder *coder = next->coder;
+		lzma_simple_x86 *simple = coder->simple;
+		simple->prev_mask = 0;
+		simple->prev_pos = (uint32_t)(-5);
 	}
 
 	return ret;

src/xz/Makefile.am

@@ -16,8 +16,6 @@ xz_SOURCES = \
 	file_io.h \
 	hardware.c \
 	hardware.h \
-	list.c \
-	list.h \
 	main.c \
 	main.h \
 	message.c \
@@ -39,6 +37,12 @@ xz_SOURCES = \
 	../common/tuklib_mbstr_width.c \
 	../common/tuklib_mbstr_fw.c
 
+if COND_MAIN_DECODER
+xz_SOURCES += \
+	list.c \
+	list.h
+endif
+
 if COND_W32
 xz_SOURCES += xz_w32res.rc
 endif
@@ -49,7 +53,7 @@ xz_CPPFLAGS = \
 	-I$(top_srcdir)/src/liblzma/api \
 	-I$(top_builddir)/lib
 
-xz_LDADD = $(top_builddir)/src/liblzma/liblzma.la
+xz_LDADD = $(top_builddir)/src/liblzma/liblzma.la $(CAPSICUM_LIB)
 
 if COND_GNULIB
 xz_LDADD += $(top_builddir)/lib/libgnu.a

src/xz/args.c

@@ -635,6 +635,22 @@ args_parse(args_info *args, int argc, char **argv)
 	// Then from the command line
 	parse_real(args, argc, argv);
 
+	// If encoder or decoder support was omitted at build time,
+	// show an error now so that the rest of the code can rely on
+	// that whatever is in opt_mode is also supported.
+#ifndef HAVE_ENCODERS
+	if (opt_mode == MODE_COMPRESS)
+		message_fatal(_("Compression support was disabled "
+				"at build time"));
+#endif
+#ifndef HAVE_DECODERS
+	// Even MODE_LIST cannot work without decoder support so MODE_COMPRESS
+	// is the only valid choice.
+	if (opt_mode != MODE_COMPRESS)
+		message_fatal(_("Decompression support was disabled "
+				"at build time"));
+#endif
+
 	// Never remove the source file when the destination is not on disk.
 	// In test mode the data is written nowhere, but setting opt_stdout
 	// will make the rest of the code behave well.

src/xz/args.h

@@ -15,7 +15,7 @@ typedef struct {
 	char **arg_names;
 
 	/// Number of filenames from command line
-	size_t arg_count;
+	unsigned int arg_count;
 
 	/// Name of the file from which to read filenames. This is NULL
 	/// if --files or --files0 was not used.

src/xz/coder.c

@@ -51,7 +51,7 @@ static lzma_check check;
 /// This becomes false if the --check=CHECK option is used.
 static bool check_default = true;
 
-#ifdef MYTHREAD_ENABLED
+#if defined(HAVE_ENCODERS) && defined(MYTHREAD_ENABLED)
 static lzma_mt mt_options = {
 	.flags = 0,
 	.timeout = 300,
@@ -221,9 +221,10 @@ coder_set_compression_settings(void)
 	// Get the memory usage. Note that if --format=raw was used,
 	// we can be decompressing.
 	const uint64_t memory_limit = hardware_memlimit_get(opt_mode);
-	uint64_t memory_usage;
+	uint64_t memory_usage = UINT64_MAX;
 	if (opt_mode == MODE_COMPRESS) {
-#ifdef MYTHREAD_ENABLED
+#ifdef HAVE_ENCODERS
+#	ifdef MYTHREAD_ENABLED
 		if (opt_format == FORMAT_XZ && hardware_threads_get() > 1) {
 			mt_options.threads = hardware_threads_get();
 			mt_options.block_size = opt_block_size;
@@ -235,12 +236,15 @@ coder_set_compression_settings(void)
 						" threads."),
 						mt_options.threads);
 		} else
-#endif
+#	endif
 		{
 			memory_usage = lzma_raw_encoder_memusage(filters);
 		}
+#endif
 	} else {
+#ifdef HAVE_DECODERS
 		memory_usage = lzma_raw_decoder_memusage(filters);
+#endif
 	}
 
 	if (memory_usage == UINT64_MAX)
@@ -248,7 +252,11 @@ coder_set_compression_settings(void)
 
 	// Print memory usage info before possible dictionary
 	// size auto-adjusting.
+	//
+	// NOTE: If only encoder support was built, we cannot show the
+	// what the decoder memory usage will be.
 	message_mem_needed(V_DEBUG, memory_usage);
+#ifdef HAVE_DECODERS
 	if (opt_mode == MODE_COMPRESS) {
 		const uint64_t decmem = lzma_raw_decoder_memusage(filters);
 		if (decmem != UINT64_MAX)
@@ -256,6 +264,7 @@ coder_set_compression_settings(void)
 					"%s MiB of memory."), uint64_to_str(
 						round_up_to_mib(decmem), 0));
 	}
+#endif
 
 	if (memory_usage <= memory_limit)
 		return;
@@ -268,7 +277,8 @@ coder_set_compression_settings(void)
 
 	assert(opt_mode == MODE_COMPRESS);
 
-#ifdef MYTHREAD_ENABLED
+#ifdef HAVE_ENCODERS
+#	ifdef MYTHREAD_ENABLED
 	if (opt_format == FORMAT_XZ && mt_options.threads > 1) {
 		// Try to reduce the number of threads before
 		// adjusting the compression settings down.
@@ -295,7 +305,7 @@ coder_set_compression_settings(void)
 			uint64_to_str(round_up_to_mib(
 				memory_limit), 2));
 	}
-#endif
+#	endif
 
 	if (memory_usage <= memory_limit)
 		return;
@@ -349,11 +359,13 @@ coder_set_compression_settings(void)
 			uint64_to_str(orig_dict_size >> 20, 0),
 			uint64_to_str(opt->dict_size >> 20, 1),
 			uint64_to_str(round_up_to_mib(memory_limit), 2));
+#endif
 
 	return;
 }
 
 
+#ifdef HAVE_DECODERS
 /// Return true if the data in in_buf seems to be in the .xz format.
 static bool
 is_format_xz(void)
@@ -411,6 +423,7 @@ is_format_lzma(void)
 
 	return true;
 }
+#endif
 
 
 /// Detect the input file type (for now, this done only when decompressing),
@@ -424,6 +437,7 @@ coder_init(file_pair *pair)
 	lzma_ret ret = LZMA_PROG_ERROR;
 
 	if (opt_mode == MODE_COMPRESS) {
+#ifdef HAVE_ENCODERS
 		switch (opt_format) {
 		case FORMAT_AUTO:
 			// args.c ensures this.
@@ -431,12 +445,12 @@ coder_init(file_pair *pair)
 			break;
 
 		case FORMAT_XZ:
-#ifdef MYTHREAD_ENABLED
+#	ifdef MYTHREAD_ENABLED
 			if (hardware_threads_get() > 1)
 				ret = lzma_stream_encoder_mt(
 						&strm, &mt_options);
 			else
-#endif
+#	endif
 				ret = lzma_stream_encoder(
 						&strm, filters, check);
 			break;
@@ -449,7 +463,9 @@ coder_init(file_pair *pair)
 			ret = lzma_raw_encoder(&strm, filters);
 			break;
 		}
+#endif
 	} else {
+#ifdef HAVE_DECODERS
 		uint32_t flags = 0;
 
 		// It seems silly to warn about unsupported check if the
@@ -531,6 +547,7 @@ coder_init(file_pair *pair)
 			strm.avail_out = 0;
 			ret = lzma_code(&strm, LZMA_RUN);
 		}
+#endif
 	}
 
 	if (ret != LZMA_OK) {

src/xz/file_io.c

@@ -23,10 +23,20 @@ static bool warn_fchown;
 
 #if defined(HAVE_FUTIMES) || defined(HAVE_FUTIMESAT) || defined(HAVE_UTIMES)
 #	include <sys/time.h>
+#elif defined(HAVE__FUTIME)
+#	include <sys/utime.h>
 #elif defined(HAVE_UTIME)
 #	include <utime.h>
 #endif
 
+#ifdef HAVE_CAPSICUM
+#	ifdef HAVE_SYS_CAPSICUM_H
+#		include <sys/capsicum.h>
+#	else
+#		include <sys/capability.h>
+#	endif
+#endif
+
 #include "tuklib_open_stdxxx.h"
 
 #ifndef O_BINARY
@@ -37,6 +47,14 @@ static bool warn_fchown;
 #	define O_NOCTTY 0
 #endif
 
+// Using this macro to silence a warning from gcc -Wlogical-op.
+#if EAGAIN == EWOULDBLOCK
+#	define IS_EAGAIN_OR_EWOULDBLOCK(e) ((e) == EAGAIN)
+#else
+#	define IS_EAGAIN_OR_EWOULDBLOCK(e) \
+		((e) == EAGAIN || (e) == EWOULDBLOCK)
+#endif
+
 
 typedef enum {
 	IO_WAIT_MORE,    // Reading or writing is possible.
@@ -48,6 +66,11 @@ typedef enum {
 /// If true, try to create sparse files when decompressing.
 static bool try_sparse = true;
 
+#ifdef ENABLE_SANDBOX
+/// True if the conditions for sandboxing (described in main()) have been met.
+static bool sandbox_allowed = false;
+#endif
+
 #ifndef TUKLIB_DOSLIKE
 /// File status flags of standard input. This is used by io_open_src()
 /// and io_close_src().
@@ -82,13 +105,7 @@ io_init(void)
 	// we are root.
 	warn_fchown = geteuid() == 0;
 
-	// Create a pipe for the self-pipe trick. If pipe2() is available,
-	// we can avoid the fcntl() calls.
-#	ifdef HAVE_PIPE2
-	if (pipe2(user_abort_pipe, O_NONBLOCK))
-		message_fatal(_("Error creating a pipe: %s"),
-				strerror(errno));
-#	else
+	// Create a pipe for the self-pipe trick.
 	if (pipe(user_abort_pipe))
 		message_fatal(_("Error creating a pipe: %s"),
 				strerror(errno));
@@ -101,7 +118,6 @@ io_init(void)
 			message_fatal(_("Error creating a pipe: %s"),
 					strerror(errno));
 	}
-#	endif
 #endif
 
 #ifdef __DJGPP__
@@ -139,6 +155,73 @@ io_no_sparse(void)
 }
 
 
+#ifdef ENABLE_SANDBOX
+extern void
+io_allow_sandbox(void)
+{
+	sandbox_allowed = true;
+	return;
+}
+
+
+/// Enables operating-system-specific sandbox if it is possible.
+/// src_fd is the file descriptor of the input file.
+static void
+io_sandbox_enter(int src_fd)
+{
+	if (!sandbox_allowed) {
+		message(V_DEBUG, _("Sandbox is disabled due "
+				"to incompatible command line arguments"));
+		return;
+	}
+
+	const char dummy_str[] = "x";
+
+	// Try to ensure that both libc and xz locale files have been
+	// loaded when NLS is enabled.
+	snprintf(NULL, 0, "%s%s", _(dummy_str), strerror(EINVAL));
+
+	// Try to ensure that iconv data files needed for handling multibyte
+	// characters have been loaded. This is needed at least with glibc.
+	tuklib_mbstr_width(dummy_str, NULL);
+
+#ifdef HAVE_CAPSICUM
+	// Capsicum needs FreeBSD 10.0 or later.
+	cap_rights_t rights;
+
+	if (cap_rights_limit(src_fd, cap_rights_init(&rights,
+			CAP_EVENT, CAP_FCNTL, CAP_LOOKUP, CAP_READ, CAP_SEEK)))
+		goto error;
+
+	if (cap_rights_limit(STDOUT_FILENO, cap_rights_init(&rights,
+			CAP_EVENT, CAP_FCNTL, CAP_FSTAT, CAP_LOOKUP,
+			CAP_WRITE, CAP_SEEK)))
+		goto error;
+
+	if (cap_rights_limit(user_abort_pipe[0], cap_rights_init(&rights,
+			CAP_EVENT)))
+		goto error;
+
+	if (cap_rights_limit(user_abort_pipe[1], cap_rights_init(&rights,
+			CAP_WRITE)))
+		goto error;
+
+	if (cap_enter())
+		goto error;
+
+#else
+#	error ENABLE_SANDBOX is defined but no sandboxing method was found.
+#endif
+
+	message(V_DEBUG, _("Sandbox was successfully enabled"));
+	return;
+
+error:
+	message(V_DEBUG, _("Failed to enable the sandbox"));
+}
+#endif // ENABLE_SANDBOX
+
+
 #ifndef TUKLIB_DOSLIKE
 /// \brief      Waits for input or output to become available or for a signal
 ///
@@ -376,6 +459,22 @@ io_copy_attrs(const file_pair *pair)
 	(void)utimes(pair->dest_name, tv);
 #	endif
 
+#elif defined(HAVE__FUTIME)
+	// Use one-second precision with Windows-specific _futime().
+	// We could use utime() too except that for some reason the
+	// timestamp will get reset at close(). With _futime() it works.
+	// This struct cannot be const as _futime() takes a non-const pointer.
+	struct _utimbuf buf = {
+		.actime = pair->src_st.st_atime,
+		.modtime = pair->src_st.st_mtime,
+	};
+
+	// Avoid warnings.
+	(void)atime_nsec;
+	(void)mtime_nsec;
+
+	(void)_futime(pair->dest_fd, &buf);
+
 #elif defined(HAVE_UTIME)
 	// Use one-second precision. utime() doesn't support using file
 	// descriptor either. Some systems have broken utime() prototype
@@ -656,6 +755,11 @@ io_open_src(const char *src_name)
 	const bool error = io_open_src_real(&pair);
 	signals_unblock();
 
+#ifdef ENABLE_SANDBOX
+	if (!error)
+		io_sandbox_enter(pair.src_fd);
+#endif
+
 	return error ? NULL : &pair;
 }
 
@@ -682,23 +786,22 @@ io_close_src(file_pair *pair, bool success)
 #endif
 
 	if (pair->src_fd != STDIN_FILENO && pair->src_fd != -1) {
-#ifdef TUKLIB_DOSLIKE
-		(void)close(pair->src_fd);
-#endif
-
-		// If we are going to unlink(), do it before closing the file.
-		// This way there's no risk that someone replaces the file and
-		// happens to get same inode number, which would make us
-		// unlink() wrong file.
+		// Close the file before possibly unlinking it. On DOS-like
+		// systems this is always required since unlinking will fail
+		// if the file is open. On POSIX systems it usually works
+		// to unlink open files, but in some cases it doesn't and
+		// one gets EBUSY in errno.
 		//
-		// NOTE: DOS-like systems are an exception to this, because
-		// they don't allow unlinking files that are open. *sigh*
+		// xz 5.2.2 and older unlinked the file before closing it
+		// (except on DOS-like systems). The old code didn't handle
+		// EBUSY and could fail e.g. on some CIFS shares. The
+		// advantage of unlinking before closing is negligible
+		// (avoids a race between close() and stat()/lstat() and
+		// unlink()), so let's keep this simple.
+		(void)close(pair->src_fd);
+
 		if (success && !opt_keep_original)
 			io_unlink(pair->src_name, &pair->src_st);
-
-#ifndef TUKLIB_DOSLIKE
-		(void)close(pair->src_fd);
-#endif
 	}
 
 	return;
@@ -1025,7 +1128,7 @@ io_read(file_pair *pair, io_buf *buf_union, size_t size)
 			}
 
 #ifndef TUKLIB_DOSLIKE
-			if (errno == EAGAIN || errno == EWOULDBLOCK) {
+			if (IS_EAGAIN_OR_EWOULDBLOCK(errno)) {
 				const io_wait_ret ret = io_wait(pair,
 						mytime_get_flush_timeout(),
 						true);
@@ -1113,7 +1216,7 @@ io_write_buf(file_pair *pair, const uint8_t *buf, size_t size)
 			}
 
 #ifndef TUKLIB_DOSLIKE
-			if (errno == EAGAIN || errno == EWOULDBLOCK) {
+			if (IS_EAGAIN_OR_EWOULDBLOCK(errno)) {
 				if (io_wait(pair, -1, false) == IO_WAIT_MORE)
 					continue;
 

src/xz/file_io.h

@@ -80,6 +80,12 @@ extern void io_write_to_user_abort_pipe(void);
 extern void io_no_sparse(void);
 
 
+#ifdef ENABLE_SANDBOX
+/// \brief      main() calls this if conditions for sandboxing have been met.
+extern void io_allow_sandbox(void);
+#endif
+
+
 /// \brief      Open the source file
 extern file_pair *io_open_src(const char *src_name);
 

src/xz/main.c

@@ -205,14 +205,35 @@ main(int argc, char **argv)
 	if (opt_mode != MODE_LIST)
 		signals_init();
 
+#ifdef ENABLE_SANDBOX
+	// Set a flag that sandboxing is allowed if all these are true:
+	//   - --files or --files0 wasn't used.
+	//   - There is exactly one input file or we are reading from stdin.
+	//   - We won't create any files: output goes to stdout or --test
+	//     or --list was used. Note that --test implies opt_stdout = true
+	//     but --list doesn't.
+	//
+	// This is obviously not ideal but it was easy to implement and
+	// it covers the most common use cases.
+	//
+	// TODO: Make sandboxing work for other situations too.
+	if (args.files_name == NULL && args.arg_count == 1
+			&& (opt_stdout || strcmp("-", args.arg_names[0]) == 0
+				|| opt_mode == MODE_LIST))
+		io_allow_sandbox();
+#endif
+
 	// coder_run() handles compression, decompression, and testing.
 	// list_file() is for --list.
-	void (*run)(const char *filename) = opt_mode == MODE_LIST
-			 ? &list_file : &coder_run;
+	void (*run)(const char *filename) = &coder_run;
+#ifdef HAVE_DECODERS
+	if (opt_mode == MODE_LIST)
+		run = &list_file;
+#endif
 
 	// Process the files given on the command line. Note that if no names
 	// were given, args_parse() gave us a fake "-" filename.
-	for (size_t i = 0; i < args.arg_count && !user_abort; ++i) {
+	for (unsigned i = 0; i < args.arg_count && !user_abort; ++i) {
 		if (strcmp("-", args.arg_names[i]) == 0) {
 			// Processing from stdin to stdout. Check that we
 			// aren't writing compressed data to a terminal or
@@ -267,6 +288,7 @@ main(int argc, char **argv)
 			(void)fclose(args.files_file);
 	}
 
+#ifdef HAVE_DECODERS
 	// All files have now been handled. If in --list mode, display
 	// the totals before exiting. We don't have signal handlers
 	// enabled in --list mode, so we don't need to check user_abort.
@@ -274,6 +296,7 @@ main(int argc, char **argv)
 		assert(!user_abort);
 		list_totals();
 	}
+#endif
 
 #ifndef NDEBUG
 	coder_free();

src/xz/message.c

@@ -381,7 +381,7 @@ progress_speed(uint64_t uncompressed_pos, uint64_t elapsed)
 }
 
 
-/// Make a string indicating elapsed or remaining time. The format is either
+/// Make a string indicating elapsed time. The format is either
 /// M:SS or H:MM:SS depending on if the time is an hour or more.
 static const char *
 progress_time(uint64_t mseconds)
@@ -389,7 +389,8 @@ progress_time(uint64_t mseconds)
 	// 9999 hours = 416 days
 	static char buf[sizeof("9999:59:59")];
 
-	uint32_t seconds = mseconds / 1000;
+	// 32-bit variable is enough for elapsed time (136 years).
+	uint32_t seconds = (uint32_t)(mseconds / 1000);
 
 	// Don't show anything if the time is zero or ridiculously big.
 	if (seconds == 0 || seconds > ((9999 * 60) + 59) * 60 + 59)

src/xz/options.c

@@ -59,7 +59,7 @@ typedef struct {
 static void
 parse_options(const char *str, const option_map *opts,
 		void (*set)(void *filter_options,
-			uint32_t key, uint64_t value, const char *valuestr),
+			unsigned key, uint64_t value, const char *valuestr),
 		void *filter_options)
 {
 	if (str == NULL || str[0] == '\0')
@@ -87,7 +87,7 @@ parse_options(const char *str, const option_map *opts,
 					"pairs separated with commas"), str);
 
 		// Look for the option name from the option map.
-		size_t i = 0;
+		unsigned i = 0;
 		while (true) {
 			if (opts[i].name == NULL)
 				message_fatal(_("%s: Invalid option name"),
@@ -103,7 +103,7 @@ parse_options(const char *str, const option_map *opts,
 		if (opts[i].map != NULL) {
 			// value is a string which we should map
 			// to an integer.
-			size_t j;
+			unsigned j;
 			for (j = 0; opts[i].map[j].name != NULL; ++j) {
 				if (strcmp(opts[i].map[j].name, value) == 0)
 					break;
@@ -149,7 +149,7 @@ enum {
 
 
 static void
-set_delta(void *options, uint32_t key, uint64_t value,
+set_delta(void *options, unsigned key, uint64_t value,
 		const char *valuestr lzma_attribute((__unused__)))
 {
 	lzma_options_delta *opt = options;
@@ -193,7 +193,7 @@ enum {
 
 
 static void
-set_bcj(void *options, uint32_t key, uint64_t value,
+set_bcj(void *options, unsigned key, uint64_t value,
 		const char *valuestr lzma_attribute((__unused__)))
 {
 	lzma_options_bcj *opt = options;
@@ -249,7 +249,7 @@ error_lzma_preset(const char *valuestr)
 
 
 static void
-set_lzma(void *options, uint32_t key, uint64_t value, const char *valuestr)
+set_lzma(void *options, unsigned key, uint64_t value, const char *valuestr)
 {
 	lzma_options_lzma *opt = options;
 

src/xz/private.h

@@ -45,6 +45,10 @@
 #	define STDERR_FILENO (fileno(stderr))
 #endif
 
+#ifdef HAVE_CAPSICUM
+#	define ENABLE_SANDBOX 1
+#endif
+
 #include "main.h"
 #include "mytime.h"
 #include "coder.h"
@@ -56,4 +60,7 @@
 #include "signals.h"
 #include "suffix.h"
 #include "util.h"
-#include "list.h"
+
+#ifdef HAVE_DECODERS
+#	include "list.h"
+#endif

src/xz/xz.1

@@ -5,7 +5,7 @@
 .\" This file has been put into the public domain.
 .\" You can do whatever you want with this file.
 .\"
-.TH XZ 1 "2014-12-16" "Tukaani" "XZ Utils"
+.TH XZ 1 "2015-05-11" "Tukaani" "XZ Utils"
 .
 .SH NAME
 xz, unxz, xzcat, lzma, unlzma, lzcat \- Compress or decompress .xz and .lzma files
@@ -1055,6 +1055,14 @@ The default block size depends on the compression level and
 can be overriden with the
 .BI \-\-block\-size= size
 option.
+.IP ""
+Threaded decompression hasn't been implemented yet.
+It will only work on files that contain multiple blocks
+with size information in block headers.
+All files compressed in multi-threaded mode meet this condition,
+but files compressed in single-threaded mode don't even if
+.BI \-\-block\-size= size
+is used.
 .
 .SS "Custom compressor filter chains"
 A custom filter chain allows specifying

tests/test_bcj_exact_size.c

@@ -65,6 +65,7 @@ decompress(void)
 		if (ret == LZMA_STREAM_END) {
 			expect(strm.total_in == compressed_size);
 			expect(strm.total_out == sizeof(in));
+			lzma_end(&strm);
 			return;
 		}
 

tests/test_index.c

@@ -630,6 +630,22 @@ test_corrupt(void)
 }
 
 
+// Allocator that succeeds for the first two allocation but fails the rest.
+static void *
+my_alloc(void *opaque, size_t a, size_t b)
+{
+	(void)opaque;
+
+	static unsigned count = 0;
+	if (++count > 2)
+		return NULL;
+
+	return malloc(a * b);
+}
+
+static const lzma_allocator my_allocator = { &my_alloc, NULL, NULL };
+
+
 int
 main(void)
 {
@@ -655,5 +671,19 @@ main(void)
 
 	test_corrupt();
 
+	// Test for the bug fix 21515d79d778b8730a434f151b07202d52a04611:
+	// liblzma: Fix lzma_index_dup() for empty Streams.
+	i = create_empty();
+	expect(lzma_index_stream_padding(i, 4) == LZMA_OK);
+	test_copy(i);
+	lzma_index_end(i, NULL);
+
+	// Test for the bug fix 3bf857edfef51374f6f3fffae3d817f57d3264a0:
+	// liblzma: Fix a memory leak in error path of lzma_index_dup().
+	// Use Valgrind to see that there are no leaks.
+	i = create_small();
+	expect(lzma_index_dup(i, &my_allocator) == NULL);
+	lzma_index_end(i, NULL);
+
 	return 0;
 }

windows/INSTALL-MSVC.txt

@@ -0,0 +1,47 @@
+
+Building XZ Utils with Microsoft Visual Studio
+==============================================
+
+Introduction
+------------
+
+    MSVC 2013 update 2 and later have enough C99 support to build
+    liblzma from XZ Utils 5.2.0 and later without modifications.
+    Older MSVC versions would require a large number of changes to
+    the XZ Utils code and thus the old MSVC versions aren't supported.
+
+    As of 2015-06-19, some work has been done to get xz.exe and other
+    command line tools built with MSVC, but it's not complete enough
+    to be included in XZ Utils.
+
+
+Building
+--------
+
+    The following files in this directory are for MSVC:
+
+        config.h              liblzma configuration #defines for MSVC.
+        liblzma.vcxproj       This builds static liblzma.
+        liblzma_dll.vcxproj   This builds liblzma.dll.
+        xz_win.sln            Solution using the above project files.
+
+    The projects have x86 and x86-64 platform configurations, as well
+    as a Debug, Release, and ReleaseMT configuration -- MT is the
+    compiler switch to link to the CRT statically, so it will not
+    have any other DLL dependencies.
+
+    Currently no test programs are built or run under MSVC.
+
+    MSVC gives a bunch of compiler warnings. Some warnings are specific
+    to 32-bit or 64-bit build and some appear for both builds. These
+    are known and shouldn't be a problem. Some of them will probably
+    be fixed in the future.
+
+
+Notes
+-----
+
+    liblzma API headers declare the functions with __declspec(dllimport)
+    by default. To avoid this when using static liblzma from your code,
+    #define LZMA_API_STATIC before #including <lzma.h>.
+

windows/INSTALL-MinGW.txt

@@ -6,7 +6,7 @@ Introduction
 ------------
 
     This document explains shortly where to get and how to install the
-    build tool that are needed to build XZ Utils on Windows. The final
+    build tools that are needed to build XZ Utils on Windows. The final
     binary package will be standalone in sense that it will depend only
     on DLLs that are included in all Windows installations.
 

windows/config.h

@@ -15,6 +15,9 @@
 /* Define to 1 if sha256 integrity check is enabled. */
 #define HAVE_CHECK_SHA256 1
 
+/* Define to 1 if any of HAVE_DECODER_foo have been defined. */
+#define HAVE_DECODERS 1
+
 /* Define to 1 if arm decoder is enabled. */
 #define HAVE_DECODER_ARM 1
 
@@ -42,6 +45,9 @@
 /* Define to 1 if x86 decoder is enabled. */
 #define HAVE_DECODER_X86 1
 
+/* Define to 1 if any of HAVE_ENCODER_foo have been defined. */
+#define HAVE_ENCODERS 1
+
 /* Define to 1 if arm encoder is enabled. */
 #define HAVE_ENCODER_ARM 1
 

windows/liblzma.vcxproj

@@ -0,0 +1,354 @@
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+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="ReleaseMT|Win32">
+      <Configuration>ReleaseMT</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="ReleaseMT|x64">
+      <Configuration>ReleaseMT</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{12728250-16EC-4DC6-94D7-E21DD88947F8}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+  </PropertyGroup>
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+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v120</PlatformToolset>
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+    <ClInclude Include="..\src\liblzma\check\crc_macros.h" />
+    <ClInclude Include="..\src\liblzma\common\alone_decoder.h" />
+    <ClInclude Include="..\src\liblzma\common\block_buffer_encoder.h" />
+    <ClInclude Include="..\src\liblzma\common\block_decoder.h" />
+    <ClInclude Include="..\src\liblzma\common\block_encoder.h" />
+    <ClInclude Include="..\src\liblzma\common\common.h" />
+    <ClInclude Include="..\src\liblzma\common\easy_preset.h" />
+    <ClInclude Include="..\src\liblzma\common\filter_common.h" />
+    <ClInclude Include="..\src\liblzma\common\filter_decoder.h" />
+    <ClInclude Include="..\src\liblzma\common\filter_encoder.h" />
+    <ClInclude Include="..\src\liblzma\common\index.h" />
+    <ClInclude Include="..\src\liblzma\common\index_encoder.h" />
+    <ClInclude Include="..\src\liblzma\common\memcmplen.h" />
+    <ClInclude Include="..\src\liblzma\common\outqueue.h" />
+    <ClInclude Include="..\src\liblzma\common\stream_decoder.h" />
+    <ClInclude Include="..\src\liblzma\common\stream_flags_common.h" />
+    <ClInclude Include="..\src\liblzma\delta\delta_common.h" />
+    <ClInclude Include="..\src\liblzma\delta\delta_decoder.h" />
+    <ClInclude Include="..\src\liblzma\delta\delta_encoder.h" />
+    <ClInclude Include="..\src\liblzma\delta\delta_private.h" />
+    <ClInclude Include="..\src\liblzma\lzma\fastpos.h" />
+    <ClInclude Include="..\src\liblzma\lzma\lzma2_decoder.h" />
+    <ClInclude Include="..\src\liblzma\lzma\lzma2_encoder.h" />
+    <ClInclude Include="..\src\liblzma\lzma\lzma_common.h" />
+    <ClInclude Include="..\src\liblzma\lzma\lzma_decoder.h" />
+    <ClInclude Include="..\src\liblzma\lzma\lzma_encoder.h" />
+    <ClInclude Include="..\src\liblzma\lzma\lzma_encoder_private.h" />
+    <ClInclude Include="..\src\liblzma\lz\lz_decoder.h" />
+    <ClInclude Include="..\src\liblzma\lz\lz_encoder.h" />
+    <ClInclude Include="..\src\liblzma\lz\lz_encoder_hash.h" />
+    <ClInclude Include="..\src\liblzma\lz\lz_encoder_hash_table.h" />
+    <ClInclude Include="..\src\liblzma\rangecoder\price.h" />
+    <ClInclude Include="..\src\liblzma\rangecoder\range_common.h" />
+    <ClInclude Include="..\src\liblzma\rangecoder\range_decoder.h" />
+    <ClInclude Include="..\src\liblzma\rangecoder\range_encoder.h" />
+    <ClInclude Include="..\src\liblzma\simple\simple_coder.h" />
+    <ClInclude Include="..\src\liblzma\simple\simple_decoder.h" />
+    <ClInclude Include="..\src\liblzma\simple\simple_encoder.h" />
+    <ClInclude Include="..\src\liblzma\simple\simple_private.h" />
+    <ClInclude Include="config.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="..\src\liblzma\liblzma_w32res.rc" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

windows/xz_win.sln

@@ -0,0 +1,48 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2013
+VisualStudioVersion = 12.0.31101.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "liblzma", "liblzma.vcxproj", "{12728250-16EC-4DC6-94D7-E21DD88947F8}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "liblzma_dll", "liblzma_dll.vcxproj", "{E0F247DB-EF12-4755-8DF9-F74BCD1348F7}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Debug|x64 = Debug|x64
+		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
+		ReleaseMT|Win32 = ReleaseMT|Win32
+		ReleaseMT|x64 = ReleaseMT|x64
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{12728250-16EC-4DC6-94D7-E21DD88947F8}.Debug|Win32.ActiveCfg = Debug|Win32
+		{12728250-16EC-4DC6-94D7-E21DD88947F8}.Debug|Win32.Build.0 = Debug|Win32
+		{12728250-16EC-4DC6-94D7-E21DD88947F8}.Debug|x64.ActiveCfg = Debug|x64
+		{12728250-16EC-4DC6-94D7-E21DD88947F8}.Debug|x64.Build.0 = Debug|x64
+		{12728250-16EC-4DC6-94D7-E21DD88947F8}.Release|Win32.ActiveCfg = Release|Win32
+		{12728250-16EC-4DC6-94D7-E21DD88947F8}.Release|Win32.Build.0 = Release|Win32
+		{12728250-16EC-4DC6-94D7-E21DD88947F8}.Release|x64.ActiveCfg = Release|x64
+		{12728250-16EC-4DC6-94D7-E21DD88947F8}.Release|x64.Build.0 = Release|x64
+		{12728250-16EC-4DC6-94D7-E21DD88947F8}.ReleaseMT|Win32.ActiveCfg = ReleaseMT|Win32
+		{12728250-16EC-4DC6-94D7-E21DD88947F8}.ReleaseMT|Win32.Build.0 = ReleaseMT|Win32
+		{12728250-16EC-4DC6-94D7-E21DD88947F8}.ReleaseMT|x64.ActiveCfg = ReleaseMT|x64
+		{12728250-16EC-4DC6-94D7-E21DD88947F8}.ReleaseMT|x64.Build.0 = ReleaseMT|x64
+		{E0F247DB-EF12-4755-8DF9-F74BCD1348F7}.Debug|Win32.ActiveCfg = Debug|Win32
+		{E0F247DB-EF12-4755-8DF9-F74BCD1348F7}.Debug|Win32.Build.0 = Debug|Win32
+		{E0F247DB-EF12-4755-8DF9-F74BCD1348F7}.Debug|x64.ActiveCfg = Debug|x64
+		{E0F247DB-EF12-4755-8DF9-F74BCD1348F7}.Debug|x64.Build.0 = Debug|x64
+		{E0F247DB-EF12-4755-8DF9-F74BCD1348F7}.Release|Win32.ActiveCfg = Release|Win32
+		{E0F247DB-EF12-4755-8DF9-F74BCD1348F7}.Release|Win32.Build.0 = Release|Win32
+		{E0F247DB-EF12-4755-8DF9-F74BCD1348F7}.Release|x64.ActiveCfg = Release|x64
+		{E0F247DB-EF12-4755-8DF9-F74BCD1348F7}.Release|x64.Build.0 = Release|x64
+		{E0F247DB-EF12-4755-8DF9-F74BCD1348F7}.ReleaseMT|Win32.ActiveCfg = ReleaseMT|Win32
+		{E0F247DB-EF12-4755-8DF9-F74BCD1348F7}.ReleaseMT|Win32.Build.0 = ReleaseMT|Win32
+		{E0F247DB-EF12-4755-8DF9-F74BCD1348F7}.ReleaseMT|x64.ActiveCfg = ReleaseMT|x64
+		{E0F247DB-EF12-4755-8DF9-F74BCD1348F7}.ReleaseMT|x64.Build.0 = ReleaseMT|x64
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal