/* vi: set sw=4 ts=4: */ /* * fgetpwent.c - This file is part of the libc-8086/pwd package for ELKS, * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>. * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org> * * 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 <errno.h> #include <stdio.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 fgetpwent_r (FILE *file, struct passwd *password, char *buff, size_t buflen, struct passwd **result) { int res; if (file == NULL) { return EINTR; } *result = NULL; res = __getpwent_r(password, buff, buflen, fileno(file)); *result = password; return res; } struct passwd *fgetpwent(FILE * file) { int ret; static char line_buff[PWD_BUFFER_SIZE]; static struct passwd pwd; struct passwd *result; LOCK; if ((ret=fgetpwent_r(file, &pwd, line_buff, sizeof(line_buff), &result)) == 0) { UNLOCK; return &pwd; } UNLOCK; __set_errno(ret); return NULL; }