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/* Copyright (c) 1998, 2000, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include "dbg_log.h"
#include "nscd.h"
/* if in debug mode and we have a debug file, we write the messages to it,
if in debug mode and no debug file, we write the messages to stderr,
else to syslog. */
static char *logfilename;
FILE *dbgout;
int debug_level;
void
set_logfile (const char *logfile)
{
logfilename = strdup (logfile);
}
int
init_logfile (void)
{
if (logfilename)
{
dbgout = fopen (logfilename, "a");
return dbgout == NULL ? 0 : 1;
}
return 1;
}
void
dbg_log (const char *fmt,...)
{
va_list ap;
char msg[512], msg2[512];
va_start (ap, fmt);
vsnprintf (msg2, sizeof (msg), fmt, ap);
if (debug_level > 0)
{
snprintf (msg, sizeof (msg), "%d: %s%s", getpid (), msg2,
msg2[strlen (msg2) - 1] == '\n' ? "" : "\n");
if (dbgout)
{
fputs (msg, dbgout);
fflush (dbgout);
}
else
fputs (msg, stderr);
}
else
syslog (LOG_NOTICE, "%d %s", getpid (), msg2);
va_end (ap);
}
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