Check for possibly invalid offset in test.

Fix a possible array bounds offset issue flagged in
issue #668. Not the source of any known bug, but will
silence any static analyzers.

PiperOrigin-RevId: 243697659
This commit is contained in:
Chris Mumford 2019-04-15 15:11:03 -07:00 committed by Victor Costan
parent 7b11745190
commit 2ccb45c33a

View File

@ -119,7 +119,7 @@ class StringSource: public RandomAccessFile {
virtual Status Read(uint64_t offset, size_t n, Slice* result,
char* scratch) const {
if (offset > contents_.size()) {
if (offset >= contents_.size()) {
return Status::InvalidArgument("invalid Read offset");
}
if (offset + n > contents_.size()) {