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f0083e3d GKH |
1 | /* |
2 | * logging.c | |
3 | * | |
4 | * Simple logging functions that can be compiled away into nothing. | |
5 | * | |
6 | * Copyright (C) 2001-2003 Greg Kroah-Hartman <greg@kroah.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation, version 2 of the License. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License along | |
18 | * with this program; if not, write to the Free Software Foundation, Inc., | |
19 | * 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | * | |
21 | */ | |
22 | ||
23 | #include <stdarg.h> | |
e436917d OH |
24 | #include <stdio.h> |
25 | #include <sys/types.h> | |
26 | #include <unistd.h> | |
f0083e3d GKH |
27 | #include <syslog.h> |
28 | #include "udev.h" | |
29 | ||
30 | #ifdef DEBUG | |
31 | ||
32 | static int logging_init = 0; | |
e436917d | 33 | static unsigned char udev_logname[42]; |
f0083e3d GKH |
34 | |
35 | static void init_logging (void) | |
36 | { | |
e436917d OH |
37 | snprintf(udev_logname,42,"udev[%d]", getpid()); |
38 | ||
39 | openlog (udev_logname, 0, LOG_DAEMON); | |
f0083e3d GKH |
40 | logging_init = 1; |
41 | } | |
42 | ||
43 | /** | |
44 | * log_message - sends a message to the logging facility | |
45 | */ | |
46 | int log_message (int level, const char *format, ...) | |
47 | { | |
48 | va_list args; | |
49 | ||
50 | if (!logging_init) | |
51 | init_logging(); | |
52 | va_start (args, format); | |
53 | vsyslog (level, format, args); | |
54 | va_end (args); | |
55 | return 1; | |
56 | } | |
57 | ||
58 | #endif |