Update.
[glibc.git] / nscd / dbg_log.c
blobb2b8b3e31cae8c05e359bed219ac1d93e74cb906
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.
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.
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.
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. */
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"
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. */
31 FILE *dbgout = NULL;
32 int debug_flag = 0;
34 int
35 set_logfile (const char *logfile)
37 dbgout = fopen (logfile, "a");
38 return dbgout == NULL ? 0 : 1;
41 void
42 dbg_log (const char *fmt,...)
44 va_list ap;
45 char msg[512], msg2[512];
47 va_start (ap, fmt);
48 vsnprintf (msg2, sizeof (msg), fmt, ap);
50 if (debug_flag)
52 snprintf (msg, sizeof (msg), "%d: %s\n", getpid (), msg2);
53 if (dbgout)
55 fputs (msg, dbgout);
56 fflush (dbgout);
58 else
59 fputs (msg, stderr);
61 else
63 snprintf (msg, sizeof (msg), "%d: %s", getpid (), msg2);
64 syslog (LOG_NOTICE, msg);
66 va_end (ap);