* Updating common/lib * Updating lib/csu * Updating lib/libc * Updating libexec/ld.elf_so * Corrected test on __minix in featuretest to actually follow the meaning of the comment. * Cleaned up _REENTRANT-related defintions. * Disabled -D_REENTRANT for libfetch * Removing some unneeded __NBSD_LIBC defines and tests Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/* $NetBSD: strcspn.c,v 1.18 2012/03/21 00:35:50 christos Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2008 Joerg Sonnenberger
|
|
* 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(S) ``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(S) 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__RCSID("$NetBSD: strcspn.c,v 1.18 2012/03/21 00:35:50 christos Exp $");
|
|
|
|
#include <assert.h>
|
|
#include <inttypes.h>
|
|
#include <limits.h>
|
|
#include <string.h>
|
|
|
|
/* 64bit version is in strspn.c */
|
|
#if ULONG_MAX != 0xffffffffffffffffull
|
|
|
|
size_t
|
|
strcspn(const char *s, const char *charset)
|
|
{
|
|
static const uint8_t idx[8] = { 1, 2, 4, 8, 16, 32, 64, 128 };
|
|
const char *t;
|
|
uint8_t set[32];
|
|
#define UC(a) ((unsigned int)(unsigned char)(a))
|
|
|
|
_DIAGASSERT(s != NULL);
|
|
_DIAGASSERT(charset != NULL);
|
|
|
|
if (charset[0] == '\0')
|
|
return strlen(s);
|
|
if (charset[1] == '\0') {
|
|
for (t = s; *t != '\0'; ++t)
|
|
if (*t == *charset)
|
|
break;
|
|
return t - s;
|
|
}
|
|
|
|
(void)memset(set, 0, sizeof(set));
|
|
|
|
for (; *charset != '\0'; ++charset)
|
|
set[UC(*charset) >> 3] |= idx[UC(*charset) & 7];
|
|
|
|
for (t = s; *t != '\0'; ++t)
|
|
if (set[UC(*t) >> 3] & idx[UC(*t) & 7])
|
|
break;
|
|
return t - s;
|
|
}
|
|
|
|
#endif
|