Import unmodified NetBSD libc in trunk
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
This commit is contained in:
@@ -0,0 +1,70 @@
|
||||
/* $NetBSD: strcspn.c,v 1.17 2009/07/30 21:42:06 dsl 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 1.17 2009/07/30 21:42:06 dsl 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 size_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
|
||||
Reference in New Issue
Block a user