summarize_stats: protect against 0 renders zerodiv

3 years ago · 547a30e73f
parent cd49a63b7b
commit 547a30e73f
1 changed files with 2 additions and 1 deletions
--- a/src/lib/stats.c
+++ b/src/lib/stats.c
@ -168,7 +168,8 @@ void summarize_stats(notcurses* nc){
  qprefix(stats->render_ns, NANOSECS_IN_SEC, totalbuf, 0);
  qprefix(stats->render_min_ns, NANOSECS_IN_SEC, minbuf, 0);
  qprefix(stats->render_max_ns, NANOSECS_IN_SEC, maxbuf, 0);
-  qprefix(stats->render_ns / stats->renders, NANOSECS_IN_SEC, avgbuf, 0);
+  qprefix(stats->renders ? stats->render_ns / stats->renders : 0,
+          NANOSECS_IN_SEC, avgbuf, 0);
  fprintf(stderr, "%"PRIu64" render%s, %ss (%ss min, %ss avg, %ss max)\n",
          stats->renders, stats->renders == 1 ? "" : "s",
          totalbuf, minbuf, avgbuf, maxbuf);