memchr_alias.c revision 657bb8e28db7945bfea1ea60a67f9543609f3fd0
/* $Id$ */
/** @file
* innotek Portable Runtime - No-CRT memchr() alias for gcc.
*/
/*
* Copyright (C) 2006-2007 innotek GmbH
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file 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,
* in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
* distribution. VirtualBox OSE is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <iprt/nocrt/string.h>
#undef memchr
#if defined(RT_OS_DARWIN) || defined(RT_OS_WINDOWS)
# ifndef __MINGW32__
# pragma weak memchr
# endif
/* No alias support here (yet in the ming case). */
extern void *(memchr)(const void *pv, int ch, size_t cb)
{
return RT_NOCRT(memchr)(pv, ch, cb);
}
#elif __GNUC__ >= 4
/* create a weak alias. */
__asm__(".weak memchr\t\n"
" .set memchr," RT_NOCRT_STR(memchr) "\t\n");
#else
/* create a weak alias. */
extern __typeof(RT_NOCRT(memchr)) memchr __attribute__((weak, alias(RT_NOCRT_STR(memchr))));
#endif