mirror of
https://github.com/0intro/wmii
synced 2024-12-03 10:42:06 +03:00
42 lines
1.2 KiB
C
42 lines
1.2 KiB
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 "plan9.h"
|
|
#include "utf.h"
|
|
|
|
|
|
/*
|
|
* Return pointer to first occurrence of s2 in s1,
|
|
* 0 if none
|
|
*/
|
|
char*
|
|
utfutf(char *s1, char *s2)
|
|
{
|
|
char *p;
|
|
long f, n1, n2;
|
|
Rune r;
|
|
|
|
n1 = chartorune(&r, s2);
|
|
f = r;
|
|
if(f <= Runesync) /* represents self */
|
|
return strstr(s1, s2);
|
|
|
|
n2 = strlen(s2);
|
|
for(p=s1; p=utfrune(p, f); p+=n1)
|
|
if(strncmp(p, s2, n2) == 0)
|
|
return p;
|
|
return 0;
|
|
}
|