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73d178af9482a53d024d922732d08b58d7e1df37
serenity/Userland/Libraries/LibC
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Lucas Chollet 73d178af94 LibC: Make wcschr and friends compatible with the C++ standard 
The C++ standard defines wcschr, wcsrchr, wcspbrk, wcsstr and wmemchr
differently than POSIX. To be conformant, we need to provide a different
signature when __cplusplus is defined.

By defining the `__WCHAR_FORCE_C_DECLARATION` macro, users of `wchar.h`
can force the header to provide the C declaration even if __cplusplus is
defined. This escape hatch is needed to properly implement the C
function in LibC.

This makes us pass 3 more libcxx tests.
2026-08-27 17:24:28 +02:00
..
arch
LibC: Remove FE_TOMAXMAGNITUDE
2026-06-19 06:09:59 +02:00
arpa
LibC: Add most of the "header may make visible" dependencies from POSIX
2023-07-19 00:19:35 -06:00
bits
LibC: Define SIG_ATOMIC_{MIN,MAX} and WINT_{MIN,MAX}
2026-08-26 13:21:14 +02:00
net
LibC: Add missing sys/cdefs.h include
2022-08-23 19:07:12 +01:00
netinet
Everywhere: Run clang-format
2024-04-24 16:50:01 -04:00
sys
Kernel+LibC: Use ESPIPE in preadv/prwitev for unseekable files
2026-08-11 22:48:28 -04:00
alloca.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
assert.cpp
LibC: Improve symbol visibility and naming consistency
2025-05-29 20:15:22 -04:00
assert.h
Everywhere: Run clang-format
2022-12-03 23:52:23 +00:00
byteswap.h
Everywhere: Fix order of includes and #pragma once
2022-09-18 18:30:05 -07:00
CMakeLists.txt
Toolchain/GCC+LibC: Stop linking against crt0_shared
2025-09-01 14:56:12 +02:00
complex.h
LibC: Fix duplicated function symbols
2023-07-29 16:51:58 -06:00
crt0.cpp
LibC: Do not declare main as extern "C"
2025-03-06 18:40:24 -05:00
ctype.cpp
LibC: Align _ctype_ to newlib's implementation
2022-06-30 12:34:16 +01:00
ctype.h
LibC: Align _ctype_ to newlib's implementation
2022-06-30 12:34:16 +01:00
cxxabi.cpp
Everywhere: Remove "LibC/" includes, add lint-rule against it
2023-01-07 10:01:37 -07:00
dirent.cpp
Everywhere: Remove unused includes of AK/Format.h
2023-01-02 20:27:20 -05:00
dirent.h
LibC: Add missing sys/cdefs.h include
2022-08-23 19:07:12 +01:00
dlfcn.cpp
LibC: Improve symbol visibility and naming consistency
2025-05-29 20:15:22 -04:00
dlfcn.h
Userland: Fix wrong signature of dladdr
2023-05-05 02:19:05 +02:00
elf.h
LibC+LibELF: Move ELF definitions from LibC to LibELF
2023-06-27 12:40:38 +02:00
endian.h
LibC: Reorder definitions in endian.h to match POSIX spec order
2026-02-26 23:09:53 +01:00
errno_codes.h
LibC: Remove ESUCCESS as a public macro
2026-07-26 13:06:44 -04:00
errno.h
LibC: Implement errno via a __errno_location() function
2022-04-21 11:49:48 +02:00
fcntl.cpp
LibC: Move a handful of functions into <sys/stat.h>
2025-12-06 14:15:52 -05:00
fcntl.h
LibC: Move a handful of functions into <sys/stat.h>
2025-12-06 14:15:52 -05:00
fd_set.h
Kernel+LibC: Move the FD_SETSIZE declaration to API/POSIX/select.h file
2023-03-01 19:36:53 -07:00
fenv.cpp
LibC: Start on fenv support for RISC-V
2024-04-23 19:18:09 -06:00
fenv.h
LibC: Remove FE_TOMAXMAGNITUDE
2026-06-19 06:09:59 +02:00
float.h
LibC: Add missing __{BEGIN,END}_DECLS to float.h
2026-03-22 10:21:57 -04:00
fnmatch.cpp
Everywhere: Fix more Copyright header inconsistencies
2021-10-04 11:10:09 +01:00
fnmatch.h
LibC: Add missing sys/cdefs.h include
2022-08-23 19:07:12 +01:00
getopt.cpp
LibC: Correctly reset the getopt state on optind = 0
2025-05-21 18:45:13 -04:00
getopt.h
LibC: Make getopt available from getopt.h
2023-07-19 00:19:35 -06:00
getsubopt.cpp
Everywhere: Remove unused includes of LibC/stdlib.h
2023-01-02 20:27:20 -05:00
glob.cpp
LibC: Add stubs for glob and globfree
2022-07-08 22:27:38 +00:00
glob.h
LibC: Add missing sys/cdefs.h include
2022-08-23 19:07:12 +01:00
grp.cpp
LibC: Implement getgrgid_r() and getgrnam_r()
2024-01-06 04:59:50 -07:00
grp.h
LibC: Implement getgrgid_r() and getgrnam_r()
2024-01-06 04:59:50 -07:00
Headers.cmake
Meta+Toolchain: Symlink LibC headers into sysroot in Build{Clang,GNU}.sh
2025-04-22 08:40:37 -06:00
ifaddrs.cpp
Everywhere: Remove "LibC/" includes, add lint-rule against it
2023-01-07 10:01:37 -07:00
ifaddrs.h
Kernel+LibC: Stub out getifaddrs() and freeifaddrs()
2021-12-22 00:02:36 -08:00
inttypes.cpp
LibC: Stub wcstoimax and wcstoumax
2026-08-26 13:21:14 +02:00
inttypes.h
LibC: Stub wcstoimax and wcstoumax
2026-08-26 13:21:14 +02:00
ioctl.cpp
LibC: Don't truncate arguments for ioctl() on x86_64
2021-07-22 04:18:39 +04:30
langinfo.cpp
LibC: Add stubs for more parts of the locale API
2026-08-22 21:48:49 +02:00
langinfo.h
LibC: Add stubs for more parts of the locale API
2026-08-22 21:48:49 +02:00
libcinit.cpp
LibC: Improve symbol visibility and naming consistency
2025-05-29 20:15:22 -04:00
libgen.cpp
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
libgen.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
limits.h
LibC: Define CHAR_{MIN,MAX} correctly if char is unsigned
2026-02-08 15:51:33 +01:00
link.cpp
LibC+LibELF: Do not override existing weak symbols during magic lookup
2024-04-21 13:34:04 -06:00
link.h
Everywhere: Replace ElfW(type) macro usage with Elf_type
2023-12-01 10:02:39 +02:00
locale.cpp
LibC: Add stubs for more parts of the locale API
2026-08-22 21:48:49 +02:00
locale.h
LibC: Add stubs for more parts of the locale API
2026-08-22 21:48:49 +02:00
malloc.cpp
Everywhere: Use AK::mod() more, and add a test
2025-10-15 07:56:51 -04:00
mallocdefs.h
LibC: Improve symbol visibility and naming consistency
2025-05-29 20:15:22 -04:00
math.cpp
LibC: Rename FP_ILOGNAN => FP_ILOGBNAN
2026-08-22 21:48:49 +02:00
math.h
LibC: Rename FP_ILOGNAN => FP_ILOGBNAN
2026-08-22 21:48:49 +02:00
memory.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
mntent.cpp
LibC: Remove TODO() macros to not break mc port
2022-01-13 18:46:22 +01:00
mntent.h
LibC: Add mntent stub functions
2022-01-07 18:38:32 +01:00
net.cpp
Everywhere: Use east const in more places
2024-04-19 06:31:19 -04:00
netdb.cpp
Kernel/Net: Rename IPv4 directory to IP
2024-10-04 12:04:17 +02:00
netdb.h
LibC: Remove now redundant NO_TLS guards
2024-05-07 16:39:17 -06:00
nl_types.h
Everywhere: Fix more Copyright header inconsistencies
2021-10-04 11:10:09 +01:00
paths.h
Ports: Add lowdown 1.0.2
2023-06-07 13:44:44 +02:00
poll.cpp
LibC: Mark a bunch of functions as cancellation points
2022-07-22 10:07:15 -07:00
poll.h
LibC: Add missing sys/cdefs.h include
2022-08-23 19:07:12 +01:00
priority.cpp
LibC: Add getpriority() and setpriority() stubs
2021-09-23 18:51:21 +02:00
pthread_cond.cpp
LibC: Fix pthread_cond_broadcast() waking only one thread
2024-03-25 14:06:32 -06:00
pthread_integration.cpp
LibC: Expect mutexes to be locked and needing wake when calling futex()
2023-08-09 05:31:35 +02:00
pthread_once.cpp
Kernel: Clean up sys$futex and add support for cross-process futexes
2022-07-21 16:39:22 +02:00
pthread_tls.cpp
LibC: Improve symbol visibility and naming consistency
2025-05-29 20:15:22 -04:00
pthread.cpp
LibC: Mark s_pending_cancellation as [[maybe_unused]]
2026-05-02 20:04:32 +02:00
pthread.h
LibC: Add most of the "header may make visible" dependencies from POSIX
2023-07-19 00:19:35 -06:00
pty.cpp
Everywhere: Remove unused includes of AK/Format.h
2023-01-02 20:27:20 -05:00
pty.h
LibC: Remove 'int* aslave' parameter from forkpty()
2021-05-06 13:52:46 +01:00
pwd.cpp
Everywhere: Use to_number<T> instead of to_{int,uint,float,double}
2023-12-23 20:41:07 +01:00
pwd.h
LibC: Implement getpwent_r
2022-11-08 11:51:19 +01:00
qsort.cpp
Everywhere: Use east const in more places
2024-04-19 06:31:19 -04:00
regex.cpp
LibC: Remove __attribute__((weak)) from some symbols
2026-02-24 13:52:50 +01:00
regex.h
LibC+LibRegex: Move regex_defs.h from LibC to LibRegex
2023-06-27 12:40:38 +02:00
resolv.cpp
Everywhere: Fix more Copyright header inconsistencies
2021-10-04 11:10:09 +01:00
resolv.h
LibC: Add missing sys/cdefs.h include
2022-08-23 19:07:12 +01:00
scanf.cpp
LibC: Support width specifiers for scanf
2025-04-08 09:04:25 -04:00
sched.cpp
Kernel+LibC: Report correct scheduling priority limits
2022-10-27 11:30:19 +01:00
sched.h
LibC: Add most of the "header may make visible" dependencies from POSIX
2023-07-19 00:19:35 -06:00
search.cpp
Everywhere: Run clang-format
2022-04-01 21:24:45 +01:00
search.h
Everywhere: Run clang-format
2022-04-01 21:24:45 +01:00
semaphore.cpp
LibC: Convert semaphore and termcap to String
2023-07-06 10:15:37 +01:00
semaphore.h
LibC: Add most of the "header may make visible" dependencies from POSIX
2023-07-19 00:19:35 -06:00
serenity.cpp
LibC: Remove two unused functions from serenity.{h,cpp}
2025-11-09 11:47:59 -05:00
serenity.h
LibC: Remove two unused functions from serenity.{h,cpp}
2025-11-09 11:47:59 -05:00
setjmp.h
LibC: Implement setjmp and longjmp for aarch64
2025-06-21 12:55:20 +02:00
shadow.cpp
LibC: Implement fgetspent(3)
2025-08-07 21:34:32 -04:00
shadow.h
LibC: Implement fgetspent(3)
2025-08-07 21:34:32 -04:00
signal.cpp
Tests+LibC: Add tests for sig2str() and str2sig()
2025-08-08 19:07:23 -04:00
signal.h
LibC: Remove getsignalbyname() and getsignalname()
2025-08-07 21:34:32 -04:00
spawn.cpp
LibC: Use sys$posix_spawn for posix_spawnp if possible
2025-10-12 22:31:02 +02:00
spawn.h
LibC: Add most of the "header may make visible" dependencies from POSIX
2023-07-19 00:19:35 -06:00
ssp.cpp
LibC: Modernize and simplify LibC/CMakeLists.txt
2024-05-07 16:39:17 -06:00
stat.cpp
LibC: Move a handful of functions into <sys/stat.h>
2025-12-06 14:15:52 -05:00
stdarg.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
stdint.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
stdio_ext.h
LibC: Add missing sys/cdefs.h include
2022-08-23 19:07:12 +01:00
stdio.cpp
LibC: Support the 'x' mode in the fopen family
2026-08-24 20:19:46 -04:00
stdio.h
LibC: Define TMP_MAX
2026-08-24 20:16:51 -04:00
stdlib.cpp
Everywhere: Use NaN<T> instead of __builtin_nan{f,,l}("")
2026-06-26 13:15:59 +02:00
stdlib.h
LibC+less: Remove optional includes from stdlib.h
2025-03-06 18:40:24 -05:00
string.cpp
LibC: Implement memccpy
2023-09-03 06:21:40 +02:00
string.h
LibC: Implement memccpy
2023-09-03 06:21:40 +02:00
strings.cpp
LibC: Add ffs{,l,ll}
2022-10-14 13:37:29 +02:00
strings.h
LibC: Add ffs{,l,ll}
2022-10-14 13:37:29 +02:00
sysexits.h
LibC: Use EX_IOERR instead of EX_IOER
2021-06-10 20:21:08 +01:00
syslog.cpp
Everywhere: Rename {Deprecated => Byte}String
2023-12-17 18:25:10 +03:30
syslog.h
Everywhere: Run clang-format
2024-04-24 16:50:01 -04:00
termios.cpp
LibC: Properly set termios flags in cfmakeraw()
2026-04-07 14:51:25 +02:00
termios.h
LibC: Add missing sys/cdefs.h include
2022-08-23 19:07:12 +01:00
time.cpp
LibC: Back futimes with futimens
2026-07-14 08:20:09 -04:00
time.h
LibC: Break include cycle between signal.h and time.h
2025-05-10 14:09:05 +02:00
times.cpp
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
tls.cpp
LibELF+LibC: Add support for Variant I of the TLS data structures
2024-04-19 16:46:47 -06:00
ucontext.h
LibC: Add public and independent ucontext.h header
2022-06-12 00:28:26 +01:00
ulimit.cpp
LibC: Add a wrapper for the getrusage syscall
2022-02-28 20:09:37 +01:00
ulimit.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
unistd.cpp
LibC: Do not create files in truncate
2026-08-23 12:16:10 +02:00
unistd.h
LibC: Move a handful of functions into <sys/stat.h>
2025-12-06 14:15:52 -05:00
utime.cpp
Everywhere: Run clang-format
2022-04-01 21:24:45 +01:00
utime.h
LibC: Add missing include in utime.h
2025-04-23 19:22:40 -04:00
utmp.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
utsname.cpp
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
wchar.cpp
LibC: Make wcschr and friends compatible with the C++ standard
2026-08-27 17:24:28 +02:00
wchar.h
LibC: Make wcschr and friends compatible with the C++ standard
2026-08-27 17:24:28 +02:00
wctype.cpp
Everywhere: Remove unused includes of AK/Format.h
2023-01-02 20:27:20 -05:00
wctype.h
LibC: Add most of the "header may make visible" dependencies from POSIX
2023-07-19 00:19:35 -06:00
wstdio.cpp
Meta+LibC: Stop building with -Wno-type-limits on AArch64
2026-02-08 15:51:33 +01:00