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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2010 Thomas Martitz
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef STRING_EXTRA_H
#define STRING_EXTRA_H
#include <string.h>
#include "strlcpy.h"
#include "strlcat.h"
#include "strcasecmp.h"
#include "strcasestr.h"
#include "strmemccpy.h"
#include "strtok_r.h"
#include "memset16.h"
#if defined(WIN32) || defined(APPLICATION) \
|| defined(__PCTOOL__) || defined(SIMULATOR)
#ifndef mempcpy
#define mempcpy __builtin_mempcpy
#endif
#endif
/* copies a buffer of len bytes and null terminates it */
static inline char * strmemcpy(char *dst, const char *src, size_t len)
{
/* NOTE: for now, assumes valid parameters! */
*(char *)mempcpy(dst, src, len) = '\0';
return dst;
}
/* duplicate and null-terminate a memory block on the stack with alloca() */
#define strmemdupa(s, l) \
({ const char *___s = (s); \
size_t ___l = (l); \
char *___buf = alloca(___l + 1); \
strmemcpy(___buf, ___s, ___l); })
/* strdupa and strndupa may already be provided by a system's string.h */
#ifndef strdupa
/* duplicate an entire string on the stack with alloca() */
#define strdupa(s) \
({ const char *__s = (s); \
strmemdupa((__s), strlen(__s)); })
#endif /* strdupa */
#ifndef strndupa
/* duplicate a string on the stack with alloca(), truncating it if it is too
long */
#define strndupa(s, n) \
({ const char *__s = (s); \
size_t __n = (n); \
size_t __len = strlen(_s); \
strmemdupa(__s, MIN(__n, __len)); })
#endif /* strndupa */
#endif /* STRING_EXTRA_H */
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