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282cbdef | 1 | /* Copyright (C) 1996, 1997, 2001 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 AJ |
16 | You should have received a copy of the GNU Lesser General Public |
17 | License along with the GNU C Library; if not, write to the Free | |
18 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
19 | 02111-1307 USA. */ | |
b8fe19fa | 20 | |
5107cf1d | 21 | #include <bits/libc-lock.h> |
282cbdef AJ |
22 | #include <errno.h> |
23 | #include <stdlib.h> | |
b8fe19fa RM |
24 | #include <utmp.h> |
25 | ||
8a523922 UD |
26 | #include "utmp-private.h" |
27 | ||
28 | ||
29 | /* We have to use the lock in getutent_r.c. */ | |
30 | __libc_lock_define (extern, __libc_utmp_lock) | |
31 | ||
32 | /* The jump table is also in getutent_r.c. */ | |
33 | extern struct utfuncs *__libc_utmp_jump_table; | |
34 | ||
b8fe19fa | 35 | |
b8fe19fa | 36 | int |
8a523922 | 37 | __getutid_r (const struct utmp *id, struct utmp *buffer, struct utmp **result) |
b8fe19fa | 38 | { |
0200214b | 39 | #if (_HAVE_UT_ID - 0) && (_HAVE_UT_TYPE - 0) |
0413b54c | 40 | int retval; |
8a523922 | 41 | |
0200214b RM |
42 | /* Test whether ID has any of the legal types. */ |
43 | if (id->ut_type != RUN_LVL && id->ut_type != BOOT_TIME | |
44 | && id->ut_type != OLD_TIME && id->ut_type != NEW_TIME | |
45 | && id->ut_type != INIT_PROCESS && id->ut_type != LOGIN_PROCESS | |
46 | && id->ut_type != USER_PROCESS && id->ut_type != DEAD_PROCESS) | |
47 | /* No, using '<' and '>' for the test is not possible. */ | |
48 | { | |
c4029823 | 49 | __set_errno (EINVAL); |
8a523922 | 50 | *result = NULL; |
0200214b RM |
51 | return -1; |
52 | } | |
53 | ||
8a523922 | 54 | __libc_lock_lock (__libc_utmp_lock); |
49b98627 | 55 | |
0413b54c | 56 | retval = (*__libc_utmp_jump_table->getutid_r) (id, buffer, result); |
b8fe19fa | 57 | |
8a523922 | 58 | __libc_lock_unlock (__libc_utmp_lock); |
b8fe19fa | 59 | |
8a523922 | 60 | return retval; |
0200214b | 61 | #else /* !_HAVE_UT_ID && !_HAVE_UT_TYPE */ |
c4029823 | 62 | __set_errno (ENOSYS); |
0200214b RM |
63 | return -1; |
64 | #endif | |
b8fe19fa | 65 | } |
23396375 | 66 | weak_alias (__getutid_r, getutid_r) |