1 /* Copyright (C) 1998-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <errno.h>
19 #include <unistd.h>
20 #include <setxid.h>
21
22
23 int
seteuid(uid_t uid)24 seteuid (uid_t uid)
25 {
26 int result;
27
28 if (uid == (uid_t) ~0)
29 return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
30
31 #ifdef __NR_setresuid32
32 result = INLINE_SETXID_SYSCALL (setresuid32, 3, -1, uid, -1);
33 #else
34 result = INLINE_SETXID_SYSCALL (setresuid, 3, -1, uid, -1);
35 #endif
36
37 return result;
38 }
39 #ifndef seteuid
40 libc_hidden_def (seteuid)
41 #endif
42