From: Joel Rosdahl <joel@rosdahl.net>
Date: Mon, 13 Jul 2020 17:48:50 +0000 (+0200)
Subject: Only dump log buffer in cc_dump_debug_log_buffer if it exists
X-Git-Tag: v4.0~330
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c6232faf3b3abe0781bdb70441d8050d949dcbc0;p=thirdparty%2Fccache.git

Only dump log buffer in cc_dump_debug_log_buffer if it exists

This can happen in unit tests.
---

diff --git a/src/logging.cpp b/src/logging.cpp
index 6d50aab5d..fe5dad858 100644
--- a/src/logging.cpp
+++ b/src/logging.cpp
@@ -248,6 +248,9 @@ cc_log_argv(const char* prefix, const char* const* argv)
 void
 cc_dump_debug_log_buffer(const char* path)
 {
+  if (!debug_log_buffer) {
+    return;
+  }
   FILE* file = fopen(path, "w");
   if (file) {
     (void)fwrite(debug_log_buffer, 1, debug_log_size, file);