hping3/memstr.c
2022-04-13 18:01:39 +08:00

26 lines
585 B
C

/*
* $smu-mark$
* $name: memstr.c$
* $author: Salvatore Sanfilippo <antirez@invece.org>$
* $copyright: Copyright (C) 1999 by Salvatore Sanfilippo$
* $license: This software is under GPL version 2 of license$
* $date: Fri Nov 5 11:55:48 MET 1999$
* $rev: 4$
*/
#include <string.h>
#include <stdlib.h> /* NULL macro */
char *memstr(char *haystack, char *needle, int size)
{
char *p;
char needlesize = strlen(needle);
for (p = haystack; p <= (haystack-needlesize+size); p++)
{
if (memcmp(p, needle, needlesize) == 0)
return p; /* found */
}
return NULL;
}