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bfff8b1b | 1 | /* Copyright (c) 1998-2017 Free Software Foundation, Inc. |
d67281a7 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998. | |
4 | ||
43bc8ac6 | 5 | This program is free software; you can redistribute it and/or modify |
2e2efe65 RM |
6 | it under the terms of the GNU General Public License as published |
7 | by the Free Software Foundation; version 2 of the License, or | |
8 | (at your option) any later version. | |
d67281a7 | 9 | |
43bc8ac6 | 10 | This program is distributed in the hope that it will be useful, |
d67281a7 | 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
43bc8ac6 UD |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | GNU General Public License for more details. | |
d67281a7 | 14 | |
43bc8ac6 | 15 | You should have received a copy of the GNU General Public License |
59ba27a6 | 16 | along with this program; if not, see <http://www.gnu.org/licenses/>. */ |
d67281a7 UD |
17 | |
18 | #include <stdarg.h> | |
19 | #include <stdio.h> | |
f4047366 | 20 | #include <string.h> |
d67281a7 UD |
21 | #include <syslog.h> |
22 | #include <unistd.h> | |
23 | #include "dbg_log.h" | |
24 | #include "nscd.h" | |
25 | ||
26 | /* if in debug mode and we have a debug file, we write the messages to it, | |
27 | if in debug mode and no debug file, we write the messages to stderr, | |
28 | else to syslog. */ | |
29 | ||
f4047366 | 30 | static char *logfilename; |
67479a70 UD |
31 | FILE *dbgout; |
32 | int debug_level; | |
d67281a7 | 33 | |
f4047366 | 34 | void |
d67281a7 UD |
35 | set_logfile (const char *logfile) |
36 | { | |
f4047366 UD |
37 | logfilename = strdup (logfile); |
38 | } | |
39 | ||
40 | int | |
41 | init_logfile (void) | |
42 | { | |
43 | if (logfilename) | |
44 | { | |
a8d131a7 | 45 | dbgout = fopen64 (logfilename, "a"); |
f4047366 UD |
46 | return dbgout == NULL ? 0 : 1; |
47 | } | |
48 | return 1; | |
d67281a7 UD |
49 | } |
50 | ||
51 | void | |
52 | dbg_log (const char *fmt,...) | |
53 | { | |
54 | va_list ap; | |
e0f471a1 | 55 | char msg2[512]; |
d67281a7 UD |
56 | |
57 | va_start (ap, fmt); | |
e0f471a1 | 58 | vsnprintf (msg2, sizeof (msg2), fmt, ap); |
d67281a7 | 59 | |
67479a70 | 60 | if (debug_level > 0) |
d67281a7 | 61 | { |
e0f471a1 UD |
62 | time_t t = time (NULL); |
63 | ||
64 | struct tm now; | |
65 | localtime_r (&t, &now); | |
66 | ||
67 | char buf[256]; | |
68 | strftime (buf, sizeof (buf), "%c", &now); | |
69 | ||
70 | char msg[512]; | |
71 | snprintf (msg, sizeof (msg), "%s - %d: %s%s", buf, getpid (), msg2, | |
1945c96f | 72 | msg2[strlen (msg2) - 1] == '\n' ? "" : "\n"); |
d67281a7 | 73 | if (dbgout) |
6c202c68 UD |
74 | { |
75 | fputs (msg, dbgout); | |
76 | fflush (dbgout); | |
77 | } | |
d67281a7 UD |
78 | else |
79 | fputs (msg, stderr); | |
80 | } | |
81 | else | |
1945c96f UD |
82 | syslog (LOG_NOTICE, "%d %s", getpid (), msg2); |
83 | ||
d67281a7 UD |
84 | va_end (ap); |
85 | } |