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86 lines
2.0 KiB
C
86 lines
2.0 KiB
C
/* Copyright (c) 1998-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation; version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>. */
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <syslog.h>
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#include <unistd.h>
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#include "dbg_log.h"
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#include "nscd.h"
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/* if in debug mode and we have a debug file, we write the messages to it,
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if in debug mode and no debug file, we write the messages to stderr,
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else to syslog. */
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static char *logfilename;
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FILE *dbgout;
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int debug_level;
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void
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set_logfile (const char *logfile)
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{
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logfilename = strdup (logfile);
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}
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int
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init_logfile (void)
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{
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if (logfilename)
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{
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dbgout = fopen64 (logfilename, "a");
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return dbgout == NULL ? 0 : 1;
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}
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return 1;
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}
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void
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dbg_log (const char *fmt,...)
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{
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va_list ap;
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char msg2[512];
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va_start (ap, fmt);
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vsnprintf (msg2, sizeof (msg2), fmt, ap);
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if (debug_level > 0)
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{
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time_t t = time (NULL);
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struct tm now;
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localtime_r (&t, &now);
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char buf[256];
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strftime (buf, sizeof (buf), "%c", &now);
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char msg[512];
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snprintf (msg, sizeof (msg), "%s - %d: %s%s", buf, getpid (), msg2,
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msg2[strlen (msg2) - 1] == '\n' ? "" : "\n");
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if (dbgout)
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{
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fputs (msg, dbgout);
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fflush (dbgout);
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}
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else
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fputs (msg, stderr);
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}
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else
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syslog (LOG_NOTICE, "%d %s", getpid (), msg2);
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va_end (ap);
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}
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