commit d9983467c778923e9b2be7a9e367e2a27532331e
author Lalit Maganti <lalitm@google.com> Thu May 09 18:10:09 2019 +0100
committer Lalit Maganti <lalitm@google.com> Thu May 09 18:10:09 2019 +0100
tree 07aa7138d5a310947e38c689298277cb15dff94f
parent 5f7d69070f931809a13e08a1f20e7b3d03435a2f

trace_processor: fix json exporting MSAN failure

Change-Id: I391a1c14a96a211b0a5990e9650ed41bd6fe90b1

src/trace_processor/export_json_unittest.cc

diff --git a/src/trace_processor/export_json_unittest.cc b/src/trace_processor/export_json_unittest.cc
index 06f6ded..63a0c10 100644
--- a/src/trace_processor/export_json_unittest.cc
+++ b/src/trace_processor/export_json_unittest.cc
@@ -33,8 +33,9 @@
   fseek(input, 0, SEEK_SET);
   const int kBufSize = 1000;
   char buffer[kBufSize];
-  EXPECT_GT(fread(buffer, sizeof(char), kBufSize, input), 0);
-  return std::string(buffer);
+  size_t ret = fread(buffer, sizeof(char), kBufSize, input);
+  EXPECT_GT(ret, 0);
+  return std::string(buffer, ret);
 }
 
 TEST(ExportJsonTest, EmptyStorage) {