diff options
Diffstat (limited to 'internal/contentenc/file_header.go')
| -rw-r--r-- | internal/contentenc/file_header.go | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/internal/contentenc/file_header.go b/internal/contentenc/file_header.go index 62d24cb..5f8bd63 100644 --- a/internal/contentenc/file_header.go +++ b/internal/contentenc/file_header.go @@ -7,6 +7,7 @@ package contentenc import ( "bytes" "encoding/binary" + "encoding/hex" "fmt" "log" @@ -52,11 +53,13 @@ func ParseHeader(buf []byte) (*FileHeader, error) { var h FileHeader h.Version = binary.BigEndian.Uint16(buf[0:headerVersionLen]) if h.Version != CurrentVersion { - return nil, fmt.Errorf("ParseHeader: invalid version, want=%d have=%d", CurrentVersion, h.Version) + return nil, fmt.Errorf("ParseHeader: invalid version, want=%d have=%d. Hexdump: %s", + CurrentVersion, h.Version, hex.EncodeToString(buf)) } h.ID = buf[headerVersionLen:] if bytes.Equal(h.ID, allZeroFileID) { - return nil, fmt.Errorf("ParseHeader: file id is all-zero") + return nil, fmt.Errorf("ParseHeader: file id is all-zero. Hexdump: %s", + hex.EncodeToString(buf)) } return &h, nil } |