Rocco Rutte:

[apps/madmutt.git] / lib / debug.c

diff --git a/lib/debug.c b/lib/debug.c
new file mode 100644 (file)
index 0000000..ddf6284
--- /dev/null
+++ b/lib/debug.c
@@ -0,0 +1,74 @@
+/*
+ * 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 */