Commit e8689aea authored by Laurent Aimar's avatar Laurent Aimar

Implemented replacement for swab.

parent 2e45691f
/*****************************************************************************
* swab.c: swab() replacement
*****************************************************************************
* Copyright © 2009 the VideoLAN project
*
* This program 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 Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <stdint.h>
void swab( const void *p_src_, void *p_dst_, ssize_t n )
{
const uint8_t *p_src = p_src_;
uint8_t *p_dst = p_dst_;
if( n < 0 )
return;
for( ssize_t i = 0; i < n-1; i += 2 )
{
uint8_t i_tmp = p_src[i+0];
p_dst[i+0] = p_src[i+1];
p_dst[i+1] = i_tmp;
}
}
...@@ -552,10 +552,10 @@ dnl Check for system libs needed ...@@ -552,10 +552,10 @@ dnl Check for system libs needed
need_libc=false need_libc=false
dnl Check for usual libc functions dnl Check for usual libc functions
AC_CHECK_FUNCS([gettimeofday isatty swab sigrelse getpwuid_r memalign posix_memalign if_nametoindex getenv putenv setenv ctime_r lrintf daemon fork lstat posix_fadvise posix_madvise uselocale]) AC_CHECK_FUNCS([gettimeofday isatty sigrelse getpwuid_r memalign posix_memalign if_nametoindex getenv putenv setenv ctime_r lrintf daemon fork lstat posix_fadvise posix_madvise uselocale])
AC_FUNC_ALLOCA AC_FUNC_ALLOCA
AC_CHECK_FUNCS(fcntl) AC_CHECK_FUNCS(fcntl)
AC_REPLACE_FUNCS([asprintf atof atoll gmtime_r lldiv localtime_r rewind strcasecmp strcasestr strdup strlcpy strncasecmp strndup strnlen strsep strtof strtoll vasprintf]) AC_REPLACE_FUNCS([asprintf atof atoll gmtime_r lldiv localtime_r rewind strcasecmp strcasestr strdup strlcpy strncasecmp strndup strnlen strsep strtof strtoll vasprintf swab])
AC_CHECK_FUNCS([stricmp strnicmp]) AC_CHECK_FUNCS([stricmp strnicmp])
dnl Check for Linux system calls dnl Check for Linux system calls
......
...@@ -184,4 +184,8 @@ typedef void *locale_t; ...@@ -184,4 +184,8 @@ typedef void *locale_t;
#define N_(str) gettext_noop (str) #define N_(str) gettext_noop (str)
#define gettext_noop(str) (str) #define gettext_noop(str) (str)
#ifndef HAVE_SWAB
void swab (const void *, void *, ssize_t);
#endif
#endif /* !LIBVLC_FIXUPS_H */ #endif /* !LIBVLC_FIXUPS_H */
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