glibc/sysdeps/unix/sysv/aix/setreuid.c

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/* Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C 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.
The GNU C 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 the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <unistd.h>
/* is there a reason *NOT* to include <sys/id.h>? */
/* If so #define ID_EFFECTIVE and ID_REAL */
#include <sys/id.h>
extern int setuidx (int mask, uid_t uid);
int
__setreuid (uid_t ruid, uid_t euid)
{
int res;
if (ruid == euid)
return setuidx (ID_EFFECTIVE | ID_REAL, euid);
res = setuidx (ID_REAL, ruid);
if (res == 0)
res = setuidx (ID_EFFECTIVE, euid);
return res;
}
strong_alias (__setreuid, setreuid)