ref: 59ed389a6eb7d405eb44d9644d69993e814dccdf
dir: /sys/src/ape/lib/utf/runestrncmp.c/
/*
* The authors of this software are Rob Pike and Ken Thompson.
* Copyright (c) 2002 by Lucent Technologies.
* Permission to use, copy, modify, and distribute this software for any
* purpose without fee is hereby granted, provided that this entire notice
* is included in all copies of any software which is or includes a copy
* or modification of this software and in all copies of the supporting
* documentation for such software.
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
* OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
*/
#include <stdarg.h>
#include <string.h>
#include "utf.h"
#include "utfdef.h"
int
runestrncmp(Rune *s1, Rune *s2, long n)
{
Rune c1, c2;
while(n > 0) {
c1 = *s1++;
c2 = *s2++;
n--;
if(c1 != c2) {
if(c1 > c2)
return 1;
return -1;
}
if(c1 == 0)
break;
}
return 0;
}