diff options
Diffstat (limited to 'formats/packfile/delta.go')
| -rw-r--r-- | formats/packfile/delta.go | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/formats/packfile/delta.go b/formats/packfile/delta.go index 30703eb..571ccf8 100644 --- a/formats/packfile/delta.go +++ b/formats/packfile/delta.go @@ -2,7 +2,7 @@ package packfile import "io" -const delta_size_min = 4 +const deltaSizeMin = 4 func deltaHeaderSize(b []byte) (uint, []byte) { var size, j uint @@ -18,8 +18,8 @@ func deltaHeaderSize(b []byte) (uint, []byte) { return size, b[j:] } -func PatchDelta(src, delta []byte) []byte { - if len(delta) < delta_size_min { +func patchDelta(src, delta []byte) []byte { + if len(delta) < deltaSizeMin { return nil } size, delta := deltaHeaderSize(delta) @@ -94,12 +94,13 @@ func PatchDelta(src, delta []byte) []byte { return dest } -func decodeOffset(src io.ByteReader, steps int) (int, error) { +func decodeOffset(src io.ByteReader, steps int64) (int64, error) { b, err := src.ReadByte() if err != nil { return 0, err } - var offset = int(b & 0x7f) + + var offset = int64(b & 0x7f) for (b & 0x80) != 0 { offset++ // WHY? b, err = src.ReadByte() @@ -107,7 +108,7 @@ func decodeOffset(src io.ByteReader, steps int) (int, error) { return 0, err } - offset = (offset << 7) + int(b&0x7f) + offset = (offset << 7) + int64(b&0x7f) } // offset needs to be aware of the bytes we read for `o.typ` and `o.size` |