blob: f577254a8a7058e153f7b4c294e1e20f666331a4 [file] [log] [blame]
/*
* Decompression utility for AMI BIOSes.
*
* Copyright (C) 2009-2010 coresystems GmbH
*
* 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, 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; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdlib.h>
#include <string.h>
#ifdef __APPLE__
void *memmem(const void *haystack, size_t haystacklen, const void *needle,
size_t needlelen)
{
char *searchpointer = (char *)haystack;
char *patternpointer = (char *)needle;
char *endofsearch = searchpointer + haystacklen - needlelen;
if (!(haystack && needle && haystacklen && needlelen))
return NULL;
while (searchpointer <= endofsearch) {
if (*searchpointer == *patternpointer)
if (memcmp(searchpointer, patternpointer, needlelen) ==
0)
return searchpointer;
searchpointer++;
}
return NULL;
}
size_t strnlen(const char *s, size_t maxlen)
{
const char *end = memchr(s, '\0', maxlen);
return end ? (size_t) (end - s) : maxlen;
}
char *strndup(const char *s, size_t n)
{
size_t len = strnlen(s, n);
char *new = malloc(len + 1);
if (new == NULL)
return NULL;
new[len] = '\0';
return memcpy(new, s, len);
}
#endif