+/*
+ * written for mutt-ng by:
+ * Rocco Rutte <pdmef@cs.tu-berlin.de>
+ *
+ * This file is part of mutt-ng, see http://www.muttng.org/.
+ * It's licensed under the GNU General Public License,
+ * please see the file GPL in the top level source directory.
+ */
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if DEBUG
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <time.h>
+
+#include "debug.h"
+
+#include "mutt.h"
+#include "globals.h"
+#include "str.h"
+
+short DebugLevel = -1;
+FILE* DebugFile = NULL;
+
+void debug_setlevel (short level) {
+ DebugLevel = level;
+}
+
+void debug_start (const char* basedir) {
+ time_t t;
+ int i;
+ char buf[_POSIX_PATH_MAX];
+ char buf2[_POSIX_PATH_MAX];
+
+ if (DebugLevel < 0 || !basedir || !*basedir)
+ return;
+ /* rotate the old debug logs */
+ for (i = 3; i >= 0; i--) {
+ snprintf (buf, sizeof (buf), "%s/.muttngdebug%d", NONULL (basedir), i);
+ snprintf (buf2, sizeof (buf2), "%s/.muttngdebug%d", NONULL (basedir), i + 1);
+ rename (buf, buf2);
+ }
+ if ((DebugFile = safe_fopen (buf, "w")) != NULL) {
+ t = time (NULL);
+ setbuf (DebugFile, NULL); /* don't buffer the debugging output! */
+ fprintf (DebugFile,
+ "Mutt-ng %s started at %s\nDebugging at level %d\n\n",
+ MUTT_VERSION, asctime (localtime (&t)), DebugLevel);
+ }
+}
+
+void _debug_print_intro (const char* file, int line, const char* function, int level) {
+ if (!DebugFile || DebugLevel < 0)
+ return;
+ fprintf (DebugFile, "[%d:%s:%d", level, NONULL(file), line);
+ if (function && *function)
+ fprintf (DebugFile, ":%s()", function);
+ fprintf (DebugFile, "] ");
+}
+
+void _debug_print_msg (const char* fmt, ...) {
+ va_list ap;
+
+ if (!DebugFile || DebugLevel < 0)
+ return;
+ va_start (ap, fmt);
+ vfprintf (DebugFile, fmt, ap);
+ va_end (ap);
+}
+
+#endif /* DEBUG */