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https://github.com/php/php-src.git
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312 lines
8.1 KiB
C
312 lines
8.1 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP version 4.0 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997, 1998, 1999, 2000 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.0 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available at through the world-wide-web at |
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| http://www.php.net/license/2_0.txt. |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Sascha Schumann <sascha@schumann.cx> |
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+----------------------------------------------------------------------+
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*/
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#include <string.h>
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#include "php_reentrancy.h"
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#include "ext/standard/php_rand.h" /* for RAND_MAX */
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enum {
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LOCALTIME_R,
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CTIME_R,
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ASCTIME_R,
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GMTIME_R,
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NUMBER_OF_LOCKS
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};
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#if defined(PHP_NEED_REENTRANCY)
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#include <TSRM.h>
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static MUTEX_T reentrant_locks[NUMBER_OF_LOCKS];
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#define local_lock(x) tsrm_mutex_lock(reentrant_locks[x])
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#define local_unlock(x) tsrm_mutex_unlock(reentrant_locks[x])
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#else
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#define local_lock(x)
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#define local_unlock(x)
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#endif
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#if !defined(HAVE_LOCALTIME_R) && defined(HAVE_LOCALTIME)
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PHPAPI struct tm *localtime_r(const time_t *const timep, struct tm *p_tm)
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{
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struct tm *tmp;
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local_lock(LOCALTIME_R);
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tmp = localtime(timep);
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memcpy(p_tm, tmp, sizeof(struct tm));
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local_unlock(LOCALTIME_R);
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return p_tm;
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}
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#endif
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#if !defined(HAVE_CTIME_R) && defined(HAVE_CTIME)
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PHPAPI char *ctime_r(const time_t *clock, char *buf)
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{
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char *tmp;
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local_lock(CTIME_R);
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tmp = ctime(clock);
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strcpy(buf, tmp);
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local_unlock(CTIME_R);
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return buf;
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}
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#endif
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#if !defined(HAVE_ASCTIME_R) && defined(HAVE_ASCTIME)
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PHPAPI char *asctime_r(const struct tm *tm, char *buf)
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{
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char *tmp;
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local_lock(ASCTIME_R);
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tmp = asctime(tm);
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strcpy(buf, tmp);
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local_unlock(ASCTIME_R);
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return buf;
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}
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#endif
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#if !defined(HAVE_GMTIME_R) && defined(HAVE_GMTIME)
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PHPAPI struct tm *gmtime_r(const time_t *const timep, struct tm *p_tm)
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{
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struct tm *tmp;
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local_lock(GMTIME_R);
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tmp = gmtime(timep);
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memcpy(p_tm, tmp, sizeof(struct tm));
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local_unlock(GMTIME_R);
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return p_tm;
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}
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#endif
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#if defined(PHP_NEED_REENTRANCY)
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void reentrancy_startup(void)
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{
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int i;
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for (i = 0; i < NUMBER_OF_LOCKS; i++) {
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reentrant_locks[i] = tsrm_mutex_alloc();
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}
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}
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void reentrancy_shutdown(void)
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{
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int i;
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for (i = 0; i < NUMBER_OF_LOCKS; i++) {
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tsrm_mutex_free(reentrant_locks[i]);
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}
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}
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#endif
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#ifndef HAVE_RAND_R
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Posix rand_r function added May 1999 by Wes Peters <wes@softweyr.com>.
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*/
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#include <sys/types.h>
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#include <stdlib.h>
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static int
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do_rand(unsigned long *ctx)
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{
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return ((*ctx = *ctx * 1103515245 + 12345) % ((u_long)RAND_MAX + 1));
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}
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PHPAPI int
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rand_r(unsigned int *ctx)
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{
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u_long val = (u_long) *ctx;
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*ctx = do_rand(&val);
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return (int) *ctx;
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}
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#endif
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#ifndef HAVE_STRTOK_R
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/*
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* Copyright (c) 1998 Softweyr LLC. All rights reserved.
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*
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* strtok_r, from Berkeley strtok
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* Oct 13, 1998 by Wes Peters <wes@softweyr.com>
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*
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notices, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notices, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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*
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* This product includes software developed by Softweyr LLC, the
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* University of California, Berkeley, and its contributors.
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*
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY SOFTWEYR LLC, THE REGENTS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SOFTWEYR LLC, THE
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* REGENTS, OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stddef.h>
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PHPAPI char *
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strtok_r(char *s, const char *delim, char **last)
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{
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char *spanp;
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int c, sc;
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char *tok;
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if (s == NULL && (s = *last) == NULL)
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{
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return NULL;
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}
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/*
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* Skip (span) leading delimiters (s += strspn(s, delim), sort of).
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*/
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cont:
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c = *s++;
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for (spanp = (char *)delim; (sc = *spanp++) != 0; )
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{
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if (c == sc)
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{
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goto cont;
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}
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}
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if (c == 0) /* no non-delimiter characters */
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{
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*last = NULL;
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return NULL;
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}
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tok = s - 1;
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/*
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* Scan token (scan for delimiters: s += strcspn(s, delim), sort of).
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* Note that delim must have one NUL; we stop if we see that, too.
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*/
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for (;;)
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{
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c = *s++;
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spanp = (char *)delim;
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do
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{
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if ((sc = *spanp++) == c)
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{
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if (c == 0)
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{
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s = NULL;
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}
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else
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{
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char *w = s - 1;
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*w = '\0';
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}
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*last = s;
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return tok;
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}
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}
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while (sc != 0);
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}
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/* NOTREACHED */
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}
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#endif
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