Make sure debug lines printed to file end with a trailing newline.

2 files changed, 8 insertions, 2 deletions

diff --git a/TODO b/TODO
index e57cbf0..08e2f32 100644
--- a/TODO
+++ b/TODO
@@ -1,5 +1,3 @@
 Make some unnecessary configuration options optional (e.g. replaytime if replaymode != "time")
 
 Fuzzing.
-
-If openssl_error_string() doesn't get a string just after SSL_accept() then the debug log entry will fail to contain a trailing new line - maybe make log function ensure last character is new line?
diff --git a/functions.c b/functions.c
index ad92dd3..a67776f 100644
--- a/functions.c
+++ b/functions.c
@@ -119,6 +119,14 @@ void debugprint(int level, char *format, ...) {
   if ((bytes = vfprintf(fp, format, args)) < 0) {
     debugprint(DEBUG_CRIT, "error: could not write to debug file.\n"); // TODO - This might not be useful if we can't write
   }
+
+  // Make sure the finished log line ended with a trailing newline
+  if (format[strlen(format) - 1] != '\n') {
+    if ((bytes = fprintf(fp, "%c", '\n')) < 0) {
+      debugprint(DEBUG_CRIT, "error: could not write trailing newline to debug file.\n"); // TODO - This might not be useful if we can't write
+    }
+  }
+
   fclose(fp);
 
   va_end(args);