diff options
Diffstat (limited to 'src/google/protobuf/util/json_util.cc')
-rw-r--r-- | src/google/protobuf/util/json_util.cc | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/google/protobuf/util/json_util.cc b/src/google/protobuf/util/json_util.cc index c85f1899..ce3569ce 100644 --- a/src/google/protobuf/util/json_util.cc +++ b/src/google/protobuf/util/json_util.cc @@ -61,9 +61,11 @@ void ZeroCopyStreamByteSink::Append(const char* bytes, size_t len) { buffer_size_ -= len; return; } - memcpy(buffer_, bytes, buffer_size_); - bytes += buffer_size_; - len -= buffer_size_; + if (buffer_size_ > 0) { + memcpy(buffer_, bytes, buffer_size_); + bytes += buffer_size_; + len -= buffer_size_; + } if (!stream_->Next(&buffer_, &buffer_size_)) { // There isn't a way for ByteSink to report errors. buffer_size_ = 0; |