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Start with strlcpy/strlcat ...

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This commit is contained in:
Themaister 2011-04-03 22:16:59 +02:00
parent b2d214ee79
commit 6b8eea6363
5 changed files with 91 additions and 3 deletions
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6
Makefile
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@ -2,7 +2,7 @@ include config.mk
TARGET = ssnes tools/ssnes-joyconfig
OBJ = ssnes.o file.o driver.o settings.o dynamic.o message.o rewind.o movie.o autosave.o gfx/gfx_common.o ups.o
OBJ = ssnes.o file.o driver.o settings.o dynamic.o message.o rewind.o movie.o autosave.o gfx/gfx_common.o ups.o strl.o
JOYCONFIG_OBJ = tools/ssnes-joyconfig.o conf/config_file.o
HEADERS = $(wildcard */*.h) $(wildcard *.h)
@ -119,6 +119,10 @@ else
LIBS += $(libsnes)
endif
ifeq ($(HAVE_STRL), 1)
DEFINES += -DHAVE_STRL
endif
ifneq ($(V),1)
Q := @
endif

2
Makefile.win32
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@ -1,6 +1,6 @@
TARGET = ssnes.exe
JTARGET = ssnes-joyconfig.exe
OBJ = ssnes.o file.o driver.o conf/config_file.o settings.o dynamic.o message.o rewind.o movie.o autosave.o gfx/gfx_common.o ups.o
OBJ = ssnes.o file.o driver.o conf/config_file.o settings.o dynamic.o message.o rewind.o movie.o autosave.o gfx/gfx_common.o ups.o strl.o
JOBJ = conf/config_file.o tools/main-stub.o tools/ssnes-joyconfig.o
CC = gcc

4
qb/config.libs.sh
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@ -61,8 +61,10 @@ check_lib DYNAMIC -ldl dlopen
check_pkgconf FREETYPE freetype2
check_lib XVIDEO -lXv XvShmCreateImage
check_lib STRL -lc strlcpy
# Creates config.mk and config.h.
VARS="ALSA OSS AL RSOUND ROAR JACK PULSE SDL FILTER CG XML DYNAMIC FFMPEG AVCODEC AVFORMAT AVCORE AVUTIL SWSCALE SRC CONFIGFILE FREETYPE XVIDEO NETPLAY FBO"
VARS="ALSA OSS AL RSOUND ROAR JACK PULSE SDL FILTER CG XML DYNAMIC FFMPEG AVCODEC AVFORMAT AVCORE AVUTIL SWSCALE SRC CONFIGFILE FREETYPE XVIDEO NETPLAY FBO STRL"
create_config_make config.mk $VARS
create_config_header config.h $VARS

47
strl.c Normal file
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@ -0,0 +1,47 @@
/* SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
* Copyright (C) 2010-2011 - Hans-Kristian Arntzen
*
* Some code herein may be based on code found in BSNES.
*
* SSNES is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with SSNES.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "strl.h"
#ifndef HAVE_STRL
// Implementation of strlcpy()/strlcat() based on OpenBSD.
size_t strlcpy(char *dest, const char *source, size_t size)
{
size_t src_size = 0;
size_t n = size;
if (n)
while (--n && (*dest++ = *source++)) src_size++;
if (!n)
{
if (size) *dest = '\0';
while (*source++) src_size++;
}
return src_size;
}
size_t strlcat(char *dest, const char *source, size_t size)
{
size_t len = strlen(dest);
dest += len;
size -= len;
return len + strlcpy(dest, source, size);
}
#endif

35
strl.h Normal file
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@ -0,0 +1,35 @@
/* SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
* Copyright (C) 2010-2011 - Hans-Kristian Arntzen
*
* Some code herein may be based on code found in BSNES.
*
* SSNES is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with SSNES.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __SSNES_STRL_H
#define __SSNES_STRL_H
#include <string.h>
#include <stddef.h>
#include "config.h"
#ifndef HAVE_STRL
// Avoid possible naming collitions during link since we prefer to use the actual name.
#define strlcpy(dst, src, size) __strlcpy_ssnes(dst, src, size)
#define strlcat(dst, src, size) __strlcat_ssnes(dst, src, size)
size_t strlcpy(char *dest, const char *source, size_t size);
size_t strlcat(char *dest, const char *source, size_t size);
#endif
#endif