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Adjust comment as per CR

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Change-Id: I1fa2dbc38b49b263788e666339a748761fe294f4
This commit is contained in:
Klaus Post 2020-10-17 17:18:08 +02:00
parent 56c7485425
commit 50fabab0da
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1 changed files with 4 additions and 1 deletions
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5
src/compress/flate/deflatefast.go
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@ -297,7 +297,10 @@ func (e *deflateFast) shiftOffsets() {
for i := range e.table[:] { for i := range e.table[:] {
v := e.table[i].offset - e.cur + maxMatchOffset + 1 v := e.table[i].offset - e.cur + maxMatchOffset + 1
if v < 0 { if v < 0 {
// Indicate that this table entry is invalid. // We want to reset e.cur to maxMatchOffset + 1, so we need to shift
// all table entries down by (e.cur - (maxMatchOffset + 1)).
// Because we ignore matches > maxMatchOffset, we can cap
// any negative offsets at 0.
v = 0 v = 0
} }
e.table[i].offset = v e.table[i].offset = v