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-rw-r--r--debug.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/debug.c b/debug.c
new file mode 100644
index 0000000..56f3684
--- /dev/null
+++ b/debug.c
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+/* $Id: debug.c,v 1.1 2000/11/28 20:20:38 reinelt Exp $
+ *
+ * debug() and error() functions
+ *
+ * Copyright 1999, 2000 by Michael Reinelt (reinelt@eunet.at)
+ *
+ * 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; either version 2, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ * $Log: debug.c,v $
+ * Revision 1.1 2000/11/28 20:20:38 reinelt
+ *
+ * added debug.c
+ * things like that should not hapen. debug.c exists for a few months now, but was never added to CVS. Shit happens....
+ *
+ */
+
+/*
+ * exported functions:
+ *
+ * message (level, format, ...)
+ * passes the arguments to vsprintf() and
+ * writes the resulting string either to stdout
+ * or syslog.
+ * this function should not be called directly,
+ * but the macros info(), debug() and error()
+ *
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <syslog.h>
+
+#include "debug.h"
+
+void message (int level, const char *format, ...)
+{
+ va_list ap;
+ char buffer[256];
+ static int log_open=0;
+ extern int debugging;
+ extern int foreground;
+
+ if (level>debugging) return;
+
+ va_start(ap, format);
+ (void) vsnprintf(buffer, sizeof(buffer), format, ap);
+ va_end(ap);
+
+ if (foreground) {
+ fprintf (level?stdout:stderr, "%s\n", buffer);
+ return;
+ }
+
+ if (!log_open) {
+ openlog ("LCD4Linux", LOG_PID, LOG_USER);
+ log_open=1;
+ }
+
+ switch (level) {
+ case 0:
+ syslog (LOG_ERR, "%s", buffer);
+ break;
+ case 1:
+ syslog (LOG_INFO, "%s", buffer);
+ break;
+ default:
+ syslog (LOG_DEBUG, "%s", buffer);
+ }
+}