/* Copyright (c) 1998, 2000, 2004, 2005, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; 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 = fopen64 (logfilename, "a"); return dbgout == NULL ? 0 : 1; } return 1; } void dbg_log (const char *fmt,...) { va_list ap; char msg2[512]; va_start (ap, fmt); vsnprintf (msg2, sizeof (msg2), fmt, ap); if (debug_level > 0) { time_t t = time (NULL); struct tm now; localtime_r (&t, &now); char buf[256]; strftime (buf, sizeof (buf), "%c", &now); char msg[512]; snprintf (msg, sizeof (msg), "%s - %d: %s%s", buf, 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); }