diff options
Diffstat (limited to 'format/commitgraph/generation.go')
| -rw-r--r-- | format/commitgraph/generation.go | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/format/commitgraph/generation.go b/format/commitgraph/generation.go deleted file mode 100644 index 41c743ab..00000000 --- a/format/commitgraph/generation.go +++ /dev/null @@ -1,42 +0,0 @@ -package commitgraph - -import ( - "encoding/binary" - - "codeberg.org/lindenii/furgit/internal/intconv" -) - -func (reader *Reader) readGenerationV2(layer *layer, index uint32, commitTime uint64) (uint64, error) { - if len(layer.chunkGeneration) == 0 { - return 0, nil - } - - off64 := uint64(index) * 4 - - off, err := intconv.Uint64ToInt(off64) - if err != nil { - return 0, err - } - - value := binary.BigEndian.Uint32(layer.chunkGeneration[off : off+4]) - - if value&generationOverflow == 0 { - return commitTime + uint64(value), nil - } - - gdo2Index := value ^ generationOverflow - gdo2Off64 := uint64(gdo2Index) * 8 - - gdo2Off, err := intconv.Uint64ToInt(gdo2Off64) - if err != nil { - return 0, err - } - - if gdo2Off+8 > len(layer.chunkGenerationOv) { - return 0, &ErrMalformed{Path: layer.path, Reason: "GDO2 index out of range"} - } - - overflow := binary.BigEndian.Uint64(layer.chunkGenerationOv[gdo2Off : gdo2Off+8]) - - return commitTime + overflow, nil -} |
