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glibc  2.9
setuid.c
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00001 /* Copyright (C) 1991, 1993, 1995, 1997 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <sysdep.h>
00020 #include <errno.h>
00021 #include <unistd.h>
00022 #include <sys/types.h>
00023 
00024 /* Set the user ID of the calling process to UID.
00025    If the calling process is the super-user, the real
00026    and effective user IDs, and the saved set-user-ID to UID;
00027    if not, the effective user ID is set to UID.  */
00028 int
00029 __setuid (uid)
00030      uid_t uid;
00031 {
00032   return __setreuid (uid, uid);
00033 }
00034 
00035 weak_alias (__setuid, setuid)