326ed36874
- add wcstok() and wcswcs(), - add wcstok(3), - move btowc() and wctob() into each ctype modules, - bump ctype interface ABI version, - bump i18n modules' minor and - update sets. and fix a stupid bug in _RUNE_ISCACHED macro.
81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
/* $NetBSD: wcsstr.c,v 1.3 2003/03/05 20:18:17 tshiozak Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c)1999 Citrus Project,
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* citrus Id: wcsstr.c,v 1.2 2000/12/21 05:07:25 itojun Exp
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
__RCSID("$NetBSD: wcsstr.c,v 1.3 2003/03/05 20:18:17 tshiozak Exp $");
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include <assert.h>
|
|
#include <wchar.h>
|
|
|
|
wchar_t *
|
|
#ifdef WCSWCS
|
|
wcswcs(big, little)
|
|
#else
|
|
wcsstr(big, little)
|
|
#endif
|
|
const wchar_t *big;
|
|
const wchar_t *little;
|
|
{
|
|
const wchar_t *p;
|
|
const wchar_t *q;
|
|
const wchar_t *r;
|
|
|
|
_DIAGASSERT(big != NULL);
|
|
_DIAGASSERT(little != NULL);
|
|
|
|
if (!*little) {
|
|
/* LINTED interface specification */
|
|
return (wchar_t *)big;
|
|
}
|
|
if (wcslen(big) < wcslen(little))
|
|
return NULL;
|
|
|
|
p = big;
|
|
q = little;
|
|
while (*p) {
|
|
q = little;
|
|
r = p;
|
|
while (*q) {
|
|
if (*r != *q)
|
|
break;
|
|
q++;
|
|
r++;
|
|
}
|
|
if (!*q) {
|
|
/* LINTED interface specification */
|
|
return (wchar_t *)p;
|
|
}
|
|
p++;
|
|
}
|
|
return NULL;
|
|
}
|