1 /*
2 * The authors of this software are Rob Pike and Ken Thompson.
3 * Copyright (c) 2002 by Lucent Technologies.
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose without fee is hereby granted, provided that this entire notice
6 * is included in all copies of any software which is or includes a copy
7 * or modification of this software and in all copies of the supporting
8 * documentation for such software.
9 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
10 * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
11 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
12 * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
13 */
14 #include <stdarg.h>
15 #include <string.h>
16 #include "utf.h"
17 #include "utfdef.h"
18
19 int
runestrncmp(const Rune * s1,const Rune * s2,long n)20 runestrncmp(const Rune *s1, const Rune *s2, long n)
21 {
22 Rune c1, c2;
23
24 while(n > 0) {
25 c1 = *s1++;
26 c2 = *s2++;
27 n--;
28 if(c1 != c2) {
29 if(c1 > c2)
30 return 1;
31 return -1;
32 }
33 if(c1 == 0)
34 break;
35 }
36 return 0;
37 }
38