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1 | /* Copyright (c) 1998 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Library General Public License as | |
7 | published by the Free Software Foundation; either version 2 of the | |
8 | License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Library General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Library General Public | |
16 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
17 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
18 | Boston, MA 02111-1307, USA. */ | |
19 | ||
20 | #include <stdarg.h> | |
21 | #include <stdio.h> | |
22 | #include <syslog.h> | |
23 | #include <unistd.h> | |
24 | #include "dbg_log.h" | |
25 | #include "nscd.h" | |
26 | ||
27 | /* if in debug mode and we have a debug file, we write the messages to it, | |
28 | if in debug mode and no debug file, we write the messages to stderr, | |
29 | else to syslog. */ | |
30 | ||
31 | FILE *dbgout = NULL; | |
32 | int debug_flag = 0; | |
33 | ||
34 | int | |
35 | set_logfile (const char *logfile) | |
36 | { | |
37 | dbgout = fopen (logfile, "a"); | |
38 | return dbgout == NULL ? 0 : 1; | |
39 | } | |
40 | ||
41 | void | |
42 | dbg_log (const char *fmt,...) | |
43 | { | |
44 | va_list ap; | |
45 | char msg[512], msg2[512]; | |
46 | ||
47 | va_start (ap, fmt); | |
48 | vsnprintf (msg2, sizeof (msg), fmt, ap); | |
49 | ||
50 | if (debug_flag) | |
51 | { | |
52 | snprintf (msg, sizeof (msg), "%d: %s\n", getpid (), msg2); | |
53 | if (dbgout) | |
54 | fputs (msg, dbgout); | |
55 | else | |
56 | fputs (msg, stderr); | |
57 | } | |
58 | else | |
59 | { | |
60 | snprintf (msg, sizeof (msg), "%d: %s", getpid (), msg2); | |
61 | syslog (LOG_NOTICE, msg); | |
62 | } | |
63 | va_end (ap); | |
64 | } |