55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
|
/* @(#)wcsncmp.c 1.4 10/05/06 Copyright 2006-2010 J. Schilling */
|
||
|
#include <schily/mconfig.h>
|
||
|
#ifndef lint
|
||
|
static UConst char sccsid[] =
|
||
|
"@(#)wcsncmp.c 1.4 10/05/06 Copyright 2006-2010 J. Schilling";
|
||
|
#endif
|
||
|
/*
|
||
|
* wcsncmp() to be used if missing in libc
|
||
|
*
|
||
|
* Copyright (c) 2006-2010 J. Schilling
|
||
|
*/
|
||
|
/*
|
||
|
* The contents of this file are subject to the terms of the
|
||
|
* Common Development and Distribution License, Version 1.0 only
|
||
|
* (the "License"). You may not use this file except in compliance
|
||
|
* with the License.
|
||
|
*
|
||
|
* See the file CDDL.Schily.txt in this distribution for details.
|
||
|
*
|
||
|
* When distributing Covered Code, include this CDDL HEADER in each
|
||
|
* file and include the License file CDDL.Schily.txt from this distribution.
|
||
|
*/
|
||
|
|
||
|
#include <schily/standard.h>
|
||
|
#include <schily/unistd.h>
|
||
|
#include <schily/wchar.h>
|
||
|
#include <schily/schily.h>
|
||
|
|
||
|
#ifndef HAVE_WCSNCMP
|
||
|
|
||
|
EXPORT int
|
||
|
wcsncmp(s1, s2, len)
|
||
|
register const wchar_t *s1;
|
||
|
register const wchar_t *s2;
|
||
|
register size_t len;
|
||
|
{
|
||
|
if (s1 == s2)
|
||
|
return (0);
|
||
|
|
||
|
if (len == 0)
|
||
|
return (0);
|
||
|
|
||
|
do {
|
||
|
if (*s1 == *s2++) {
|
||
|
if (*s1++ == '\0')
|
||
|
return (0);
|
||
|
} else {
|
||
|
break;
|
||
|
}
|
||
|
} while (--len > 0);
|
||
|
|
||
|
return (len == 0 ? 0 : *s1 - *(--s2));
|
||
|
}
|
||
|
#endif /* HAVE_WCSNCMP */
|