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[/] [or1k/] [trunk/] [uclinux/] [uC-libc/] [getent/] [getpwuid.c] - Rev 1775
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/* * getpwuid.c - This file is part of the libc-8086/pwd package for ELKS, * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>. * * 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 <stdlib.h> #include <unistd.h> #include <fcntl.h> #include <pwd.h> struct passwd * getpwuid(uid_t uid) { int passwd_fd; struct passwd * passwd; if ((passwd_fd=open("/etc/passwd", O_RDONLY))<0) return NULL; while ((passwd=__getpwent(passwd_fd))!=NULL) if (passwd->pw_uid==uid) { close(passwd_fd); return passwd; } close (passwd_fd); return NULL; }
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