diff options
Diffstat (limited to 'src/google/protobuf/wire_format.cc')
-rw-r--r-- | src/google/protobuf/wire_format.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/google/protobuf/wire_format.cc b/src/google/protobuf/wire_format.cc index bd5b2489..d3d21c09 100644 --- a/src/google/protobuf/wire_format.cc +++ b/src/google/protobuf/wire_format.cc @@ -76,6 +76,8 @@ void UnknownFieldSetFieldSkipper::SkipUnknownEnum( bool WireFormat::SkipField(io::CodedInputStream* input, uint32 tag, UnknownFieldSet* unknown_fields) { int number = WireFormatLite::GetTagFieldNumber(tag); + // Field number 0 is illegal. + if (number == 0) return false; switch (WireFormatLite::GetTagWireType(tag)) { case WireFormatLite::WIRETYPE_VARINT: { |