Handle zero-length filenames

8 years ago · 265775fc20
parent c18f3ed038
commit 265775fc20
1 changed files with 2 additions and 1 deletions
--- a/src/core/lib/profiling/basic_timers.c
+++ b/src/core/lib/profiling/basic_timers.c
@ -90,7 +90,8 @@ static int g_writing_enabled = 1;
 static const char *output_filename() {
  if (output_filename_or_null == NULL) {
    output_filename_or_null = gpr_getenv("LATENCY_TRACE");
-    if (output_filename_or_null == NULL) {
+    if (output_filename_or_null == NULL ||
+        strlen(output_filename_or_null) == 0) {
      output_filename_or_null = "latency_trace.txt";
    }
  }