Prepend timestamps when writing to the debug log file.

1 files changed, 14 insertions, 1 deletions

diff --git a/functions.c b/functions.c
index 4ea5a51..c23366d 100644
--- a/functions.c
+++ b/functions.c
@@ -103,8 +103,21 @@ void debugprint(int level, char *format, ...) {
     return;
   }
 
+  // Prepend a timestamp to each line
+  time_t rawtime;
+  struct tm * timeinfo;
+  time(&rawtime);
+  timeinfo = localtime(&rawtime);
+  // Strip the trailing newline
+  char timestr[MAXCHAR];
+  snprintf(timestr, MAXCHAR, "%s", asctime(timeinfo));
+  timestr[strlen(timestr) - 1] = '\0';
+  if ((bytes = fprintf(fp, "%s: ", timestr)) < 0) {
+    debugprint(DEBUG_CRIT, "error: could not write timestamp to debug file.\n"); // TODO - This might not be useful if we can't write
+  }
+
   if ((bytes = vfprintf(fp, format, args)) < 0) {
-    debugprint(DEBUG_CRIT, "error: could not write to debug file.\n");
+    debugprint(DEBUG_CRIT, "error: could not write to debug file.\n"); // TODO - This might not be useful if we can't write
   }
   fclose(fp);