1 files changed, 93 insertions, 0 deletions
diff --git a/debug.c b/debug.c
new file mode 100644
index 0000000..56f1a9d
--- /dev/null
+++ b/debug.c
@@ -0,0 +1,93 @@
+/* $Id: debug.c 840 2007-09-09 12:17:42Z michael $
+ * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/debug.c $
+ *
+ * debug() and error() functions
+ *
+ * Copyright (C) 1999, 2000 Michael Reinelt <michael@reinelt.co.at>
+ * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * This file is part of LCD4Linux.
+ *
+ * LCD4Linux 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.
+ *
+ * LCD4Linux 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.
+ *
+ */
+
+/* 
+ * 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 "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <syslog.h>
+
+#include "debug.h"
+
+int running_foreground = 0;
+int running_background = 0;
+
+int verbose_level = 0;
+
+void message(const int level, const char *format, ...)
+{
+    va_list ap;
+    char buffer[256];
+    static int log_open = 0;
+
+    if (level > verbose_level)
+	return;
+
+    va_start(ap, format);
+    vsnprintf(buffer, sizeof(buffer), format, ap);
+    va_end(ap);
+
+    if (!running_background) {
+
+#ifdef WITH_CURSES
+	extern int curses_error(char *);
+	if (!curses_error(buffer))
+#endif
+	    fprintf(level ? stdout : stderr, "%s\n", buffer);
+    }
+
+    if (running_foreground)
+	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);
+    }
+}