/*
* $Id: string.c,v 1.1 2007/10/16 08:41:04 init Exp $
*/
#include <sys/types.h>
#include <libkern/string.h>
int
strncmp(const char *s1, const char *s2, const uint32_t len)
{
/*
* Compare len characters of string s1 with len characters of s2.
* Return first difference's position or 0 if no differencies.
*/
uint32_t i;
/* TODO ugly algorhitm; rewrite */
for(i = 0; i < len; i++) {
if(s1[i] != s2[i])
return(i + 1);
if(s1[i] == '\0')
/* \0 encountered, but strings are identical */
return(0);
}
return(-1);
}