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/*
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <pwd.h>
#include <sys/types.h>
#include <sys/syscall.h>
libc_hidden_proto(seteuid)
#if (defined __NR_setresuid || defined __NR_setresuid32) && defined __USE_GNU
libc_hidden_proto(setresuid)
#endif
libc_hidden_proto(setreuid)
int seteuid(uid_t uid)
{
int result;
if (uid == (uid_t) ~0)
{
__set_errno (EINVAL);
return -1;
}
#if (defined __NR_setresuid || defined __NR_setresuid32) && defined __USE_GNU
result = setresuid(-1, uid, -1);
if (result == -1 && errno == ENOSYS)
/* Will also set the saved user ID if euid != uid,
* making it impossible to switch back...*/
#endif
result = setreuid(-1, uid);
return result;
}
libc_hidden_def(seteuid)
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