diff options
Diffstat (limited to 'src/google/protobuf/compiler/zip_writer.cc')
-rw-r--r-- | src/google/protobuf/compiler/zip_writer.cc | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/google/protobuf/compiler/zip_writer.cc b/src/google/protobuf/compiler/zip_writer.cc index 458cced2..1799af6a 100644 --- a/src/google/protobuf/compiler/zip_writer.cc +++ b/src/google/protobuf/compiler/zip_writer.cc @@ -70,6 +70,10 @@ namespace google { namespace protobuf { namespace compiler { +// January 1, 1980 as a DOS date. +// see https://msdn.microsoft.com/en-us/library/9kkf9tah.aspx +static const uint16 kDosEpoch = 1 << 5 | 1; + static const uint32 kCRC32Table[256] = { 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, @@ -154,7 +158,7 @@ bool ZipWriter::Write(const string& filename, const string& contents) { WriteShort(&output, 0); // flags WriteShort(&output, 0); // compression method: stored WriteShort(&output, 0); // last modified time - WriteShort(&output, 0); // last modified date + WriteShort(&output, kDosEpoch); // last modified date output.WriteLittleEndian32(info.crc32); // crc-32 output.WriteLittleEndian32(info.size); // compressed size output.WriteLittleEndian32(info.size); // uncompressed size @@ -185,7 +189,7 @@ bool ZipWriter::WriteDirectory() { WriteShort(&output, 0); // flags WriteShort(&output, 0); // compression method: stored WriteShort(&output, 0); // last modified time - WriteShort(&output, 0); // last modified date + WriteShort(&output, kDosEpoch); // last modified date output.WriteLittleEndian32(crc32); // crc-32 output.WriteLittleEndian32(size); // compressed size output.WriteLittleEndian32(size); // uncompressed size |