From 265775fc20496ea18d49c42d39fe727b65f78bc4 Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Wed, 8 Feb 2017 11:40:14 -0800
Subject: [PATCH] Handle zero-length filenames
---
src/core/lib/profiling/basic_timers.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/core/lib/profiling/basic_timers.c b/src/core/lib/profiling/basic_timers.c
index c4f2772822..1fbc9d7023 100644
--- 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";
}
}
--
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