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/*
* getspuid.c - Based on getpwuid.c
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <features.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include "config.h"
#ifdef __UCLIBC_HAS_THREADS__
#include <pthread.h>
static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
# define LOCK pthread_mutex_lock(&mylock)
# define UNLOCK pthread_mutex_unlock(&mylock);
#else
# define LOCK
# define UNLOCK
#endif
int getspuid_r (uid_t uid, struct spwd *spwd,
char *buff, size_t buflen, struct spwd **result)
{
int ret;
char pwd_buff[PWD_BUFFER_SIZE];
struct passwd password;
*result = NULL;
ret = getpwuid_r(uid, &password, pwd_buff, sizeof(pwd_buff), NULL);
if (ret != 0)
return ret;
ret = getspnam_r(password.pw_name, spwd, buff, buflen, result);
*result = spwd;
return ret;
}
struct spwd *getspuid(uid_t uid)
{
int ret;
static char line_buff[PWD_BUFFER_SIZE];
static struct spwd spwd;
struct spwd *result;
LOCK;
if ((ret=getspuid_r(uid, &spwd, line_buff, sizeof(line_buff), &result)) == 0) {
UNLOCK;
return &spwd;
}
UNLOCK;
__set_errno(ret);
return NULL;
}
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