diff options
| -rw-r--r-- | third_party/zip/android.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/third_party/zip/android.go b/third_party/zip/android.go index 8d387ccb1..f8e45c56d 100644 --- a/third_party/zip/android.go +++ b/third_party/zip/android.go @@ -43,6 +43,15 @@ func (w *Writer) CopyFrom(orig *File, newName string) error { offset: uint64(w.cw.count), } w.dir = append(w.dir, h) + if !fh.isZip64() { + // Some writers will generate 64 bit sizes and set 32 bit fields to + // uint32max even if the actual size fits in 32 bit. So we should + // make sure CompressedSize contains the correct value in such + // cases. With out the two lines below we would be writing invalid(-1) + // sizes in such case. + fh.CompressedSize = uint32(fh.CompressedSize64) + fh.UncompressedSize = uint32(fh.UncompressedSize64) + } if err := writeHeader(w.cw, fh); err != nil { return err |