Update dependencies (#5518)
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24
vendor/github.com/golang/snappy/decode_other.go
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vendored
24
vendor/github.com/golang/snappy/decode_other.go
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@@ -2,7 +2,7 @@
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build !amd64 appengine !gc noasm
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// +build !amd64,!arm64 appengine !gc noasm
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package snappy
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@@ -85,14 +85,28 @@ func decode(dst, src []byte) int {
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if offset <= 0 || d < offset || length > len(dst)-d {
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return decodeErrCodeCorrupt
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}
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// Copy from an earlier sub-slice of dst to a later sub-slice. Unlike
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// the built-in copy function, this byte-by-byte copy always runs
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// Copy from an earlier sub-slice of dst to a later sub-slice.
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// If no overlap, use the built-in copy:
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if offset >= length {
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copy(dst[d:d+length], dst[d-offset:])
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d += length
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continue
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}
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// Unlike the built-in copy function, this byte-by-byte copy always runs
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// forwards, even if the slices overlap. Conceptually, this is:
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//
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// d += forwardCopy(dst[d:d+length], dst[d-offset:])
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for end := d + length; d != end; d++ {
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dst[d] = dst[d-offset]
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//
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// We align the slices into a and b and show the compiler they are the same size.
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// This allows the loop to run without bounds checks.
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a := dst[d : d+length]
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b := dst[d-offset:]
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b = b[:len(a)]
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for i := range a {
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a[i] = b[i]
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}
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d += length
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}
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if d != len(dst) {
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return decodeErrCodeCorrupt
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