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/*
* Copyright (C) 2008 Thomas Jarosch
*
* 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. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
#ifndef HAVE_MEMRCHR
#include <string.h>
void *memrchr(const void *s, int c, size_t n)
{
unsigned char *reverse_search;
if (s == NULL || n == 0)
{
return NULL;
}
reverse_search = s + n;
for (;;)
{
if (*reverse_search == (unsigned char)c)
{
return reverse_search;
}
else if (reverse_search == s)
{
break;
}
reverse_search--;
}
return NULL;
}
#endif
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