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authorGravatar Runxi Yu2026-03-04 08:26:56 +0800
committerGravatar Runxi Yu2026-03-04 08:59:53 +0800
commitab7501be34032fb9e5c48726a68ae90a917af9eb (patch)
tree20d005647569befea8133e953c3270e8fd2a2a5b /format/pack/pack.go
parent*: gofumpt (diff)
signatureNo signature
*: Lint
Diffstat (limited to 'format/pack/pack.go')
-rw-r--r--format/pack/pack.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/format/pack/pack.go b/format/pack/pack.go
index 45fe6a1c..e87e3360 100644
--- a/format/pack/pack.go
+++ b/format/pack/pack.go
@@ -33,16 +33,20 @@ func ParseOfsDeltaDistance(buf []byte) (uint64, int, error) {
if len(buf) == 0 {
return 0, 0, fmt.Errorf("format/pack: malformed ofs-delta distance")
}
+
b := buf[0]
dist := uint64(b & 0x7f)
+
consumed := 1
for b&0x80 != 0 {
if consumed >= len(buf) {
return 0, 0, fmt.Errorf("format/pack: malformed ofs-delta distance")
}
+
b = buf[consumed]
consumed++
dist = ((dist + 1) << 7) + uint64(b&0x7f)
}
+
return dist, consumed, nil
}