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/*
* compat.c
* potd is licensed under the BSD license:
*
* Copyright (c) 2018 Toni Uhlig <matzeton@googlemail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - 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.
*
* - The names of its contributors may not be used to endorse or promote
* products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <errno.h>
#include "compat.h"
char *
potd_strtok(char *str, const char *delim, char **saveptr)
{
#ifdef HAVE_STRTOK_R
return strtok_r(str, delim, saveptr);
#else
(void) saveptr;
return strtok(str, delim);
#endif
}
struct tm *
potd_localtime(const time_t *timep, struct tm *result)
{
#ifdef HAVE_LOCALTIME_R
return localtime_r(timep, result);
#else
(void) result;
return localtime(timep);
#endif
}
int
potd_getpwnam(const char *name, struct passwd *pwd)
{
struct passwd *result;
errno = 0;
#ifdef HAVE_GETPWNAM_R
char buf[BUFSIZ];
result = NULL;
return getpwnam_r(name, pwd, buf, sizeof buf, &result) || !result;
#else
result = getpwnam(name);
if (result)
*pwd = *result;
return result == NULL;
#endif
}
int
potd_getgrnam(const char *name, struct group *grp)
{
struct group *result;
errno = 0;
#ifdef HAVE_GETGRNAM_R
char buf[BUFSIZ];
result = NULL;
return getgrnam_r(name, grp, buf, sizeof buf, &result) || !result;
#else
result = getgrnam(name);
if (result)
*grp = *result;
return result == NULL;
#endif
}
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