]>
Commit | Line | Data |
---|---|---|
04277e02 | 1 | /* Copyright (C) 1996-2019 Free Software Foundation, Inc. |
8a523922 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@cygnus.com> | |
4 | and Paul Janzen <pcj@primenet.com>, 1996. | |
b8fe19fa | 5 | |
8a523922 | 6 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
b8fe19fa | 10 | |
8a523922 UD |
11 | The GNU C Library is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
b8fe19fa | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 17 | License along with the GNU C Library; if not, see |
5a82c748 | 18 | <https://www.gnu.org/licenses/>. */ |
b8fe19fa | 19 | |
ec999b8e | 20 | #include <libc-lock.h> |
282cbdef AJ |
21 | #include <errno.h> |
22 | #include <stdlib.h> | |
b8fe19fa RM |
23 | #include <utmp.h> |
24 | ||
8a523922 UD |
25 | #include "utmp-private.h" |
26 | ||
27 | ||
28 | /* We have to use the lock in getutent_r.c. */ | |
ab26a24a | 29 | __libc_lock_define (extern, __libc_utmp_lock attribute_hidden) |
8a523922 | 30 | |
b8fe19fa | 31 | |
b8fe19fa | 32 | int |
8a523922 | 33 | __getutid_r (const struct utmp *id, struct utmp *buffer, struct utmp **result) |
b8fe19fa | 34 | { |
0413b54c | 35 | int retval; |
8a523922 | 36 | |
0200214b RM |
37 | /* Test whether ID has any of the legal types. */ |
38 | if (id->ut_type != RUN_LVL && id->ut_type != BOOT_TIME | |
39 | && id->ut_type != OLD_TIME && id->ut_type != NEW_TIME | |
40 | && id->ut_type != INIT_PROCESS && id->ut_type != LOGIN_PROCESS | |
41 | && id->ut_type != USER_PROCESS && id->ut_type != DEAD_PROCESS) | |
42 | /* No, using '<' and '>' for the test is not possible. */ | |
43 | { | |
c4029823 | 44 | __set_errno (EINVAL); |
8a523922 | 45 | *result = NULL; |
0200214b RM |
46 | return -1; |
47 | } | |
48 | ||
8a523922 | 49 | __libc_lock_lock (__libc_utmp_lock); |
49b98627 | 50 | |
1a7fe2eb | 51 | retval = __libc_getutid_r (id, buffer, result); |
b8fe19fa | 52 | |
8a523922 | 53 | __libc_lock_unlock (__libc_utmp_lock); |
b8fe19fa | 54 | |
8a523922 | 55 | return retval; |
b8fe19fa | 56 | } |
59c04e67 | 57 | libc_hidden_def (__getutid_r) |
23396375 | 58 | weak_alias (__getutid_r, getutid_r) |