diff options
Diffstat (limited to 'vendor/github.com/klauspost/compress/huff0')
4 files changed, 37 insertions, 22 deletions
diff --git a/vendor/github.com/klauspost/compress/huff0/decompress.go b/vendor/github.com/klauspost/compress/huff0/decompress.go index c0c48bd70..42a237eac 100644 --- a/vendor/github.com/klauspost/compress/huff0/decompress.go +++ b/vendor/github.com/klauspost/compress/huff0/decompress.go @@ -763,17 +763,20 @@ func (d *Decoder) decompress4X8bit(dst, src []byte) ([]byte, error) { d.bufs.Put(buf) return nil, errors.New("corruption detected: stream overrun 1") } - copy(out, buf[0][:]) - copy(out[dstEvery:], buf[1][:]) - copy(out[dstEvery*2:], buf[2][:]) - copy(out[dstEvery*3:], buf[3][:]) - out = out[bufoff:] - decoded += bufoff * 4 // There must at least be 3 buffers left. - if len(out) < dstEvery*3 { + if len(out)-bufoff < dstEvery*3 { d.bufs.Put(buf) return nil, errors.New("corruption detected: stream overrun 2") } + //copy(out, buf[0][:]) + //copy(out[dstEvery:], buf[1][:]) + //copy(out[dstEvery*2:], buf[2][:]) + *(*[bufoff]byte)(out) = buf[0] + *(*[bufoff]byte)(out[dstEvery:]) = buf[1] + *(*[bufoff]byte)(out[dstEvery*2:]) = buf[2] + *(*[bufoff]byte)(out[dstEvery*3:]) = buf[3] + out = out[bufoff:] + decoded += bufoff * 4 } } if off > 0 { @@ -997,17 +1000,22 @@ func (d *Decoder) decompress4X8bitExactly(dst, src []byte) ([]byte, error) { d.bufs.Put(buf) return nil, errors.New("corruption detected: stream overrun 1") } - copy(out, buf[0][:]) - copy(out[dstEvery:], buf[1][:]) - copy(out[dstEvery*2:], buf[2][:]) - copy(out[dstEvery*3:], buf[3][:]) - out = out[bufoff:] - decoded += bufoff * 4 // There must at least be 3 buffers left. - if len(out) < dstEvery*3 { + if len(out)-bufoff < dstEvery*3 { d.bufs.Put(buf) return nil, errors.New("corruption detected: stream overrun 2") } + + //copy(out, buf[0][:]) + //copy(out[dstEvery:], buf[1][:]) + //copy(out[dstEvery*2:], buf[2][:]) + // copy(out[dstEvery*3:], buf[3][:]) + *(*[bufoff]byte)(out) = buf[0] + *(*[bufoff]byte)(out[dstEvery:]) = buf[1] + *(*[bufoff]byte)(out[dstEvery*2:]) = buf[2] + *(*[bufoff]byte)(out[dstEvery*3:]) = buf[3] + out = out[bufoff:] + decoded += bufoff * 4 } } if off > 0 { diff --git a/vendor/github.com/klauspost/compress/huff0/decompress_amd64.go b/vendor/github.com/klauspost/compress/huff0/decompress_amd64.go index 9f3e9f79e..ba7e8e6b0 100644 --- a/vendor/github.com/klauspost/compress/huff0/decompress_amd64.go +++ b/vendor/github.com/klauspost/compress/huff0/decompress_amd64.go @@ -14,12 +14,14 @@ import ( // decompress4x_main_loop_x86 is an x86 assembler implementation // of Decompress4X when tablelog > 8. +// //go:noescape func decompress4x_main_loop_amd64(ctx *decompress4xContext) // decompress4x_8b_loop_x86 is an x86 assembler implementation // of Decompress4X when tablelog <= 8 which decodes 4 entries // per loop. +// //go:noescape func decompress4x_8b_main_loop_amd64(ctx *decompress4xContext) @@ -145,11 +147,13 @@ func (d *Decoder) Decompress4X(dst, src []byte) ([]byte, error) { // decompress4x_main_loop_x86 is an x86 assembler implementation // of Decompress1X when tablelog > 8. +// //go:noescape func decompress1x_main_loop_amd64(ctx *decompress1xContext) // decompress4x_main_loop_x86 is an x86 with BMI2 assembler implementation // of Decompress1X when tablelog > 8. +// //go:noescape func decompress1x_main_loop_bmi2(ctx *decompress1xContext) diff --git a/vendor/github.com/klauspost/compress/huff0/decompress_amd64.s b/vendor/github.com/klauspost/compress/huff0/decompress_amd64.s index dd1a5aecd..8d2187a2c 100644 --- a/vendor/github.com/klauspost/compress/huff0/decompress_amd64.s +++ b/vendor/github.com/klauspost/compress/huff0/decompress_amd64.s @@ -1,7 +1,6 @@ // Code generated by command: go run gen.go -out ../decompress_amd64.s -pkg=huff0. DO NOT EDIT. //go:build amd64 && !appengine && !noasm && gc -// +build amd64,!appengine,!noasm,gc // func decompress4x_main_loop_amd64(ctx *decompress4xContext) TEXT ·decompress4x_main_loop_amd64(SB), $0-8 diff --git a/vendor/github.com/klauspost/compress/huff0/decompress_generic.go b/vendor/github.com/klauspost/compress/huff0/decompress_generic.go index 4f6f37cb2..908c17de6 100644 --- a/vendor/github.com/klauspost/compress/huff0/decompress_generic.go +++ b/vendor/github.com/klauspost/compress/huff0/decompress_generic.go @@ -122,17 +122,21 @@ func (d *Decoder) Decompress4X(dst, src []byte) ([]byte, error) { d.bufs.Put(buf) return nil, errors.New("corruption detected: stream overrun 1") } - copy(out, buf[0][:]) - copy(out[dstEvery:], buf[1][:]) - copy(out[dstEvery*2:], buf[2][:]) - copy(out[dstEvery*3:], buf[3][:]) - out = out[bufoff:] - decoded += bufoff * 4 // There must at least be 3 buffers left. - if len(out) < dstEvery*3 { + if len(out)-bufoff < dstEvery*3 { d.bufs.Put(buf) return nil, errors.New("corruption detected: stream overrun 2") } + //copy(out, buf[0][:]) + //copy(out[dstEvery:], buf[1][:]) + //copy(out[dstEvery*2:], buf[2][:]) + //copy(out[dstEvery*3:], buf[3][:]) + *(*[bufoff]byte)(out) = buf[0] + *(*[bufoff]byte)(out[dstEvery:]) = buf[1] + *(*[bufoff]byte)(out[dstEvery*2:]) = buf[2] + *(*[bufoff]byte)(out[dstEvery*3:]) = buf[3] + out = out[bufoff:] + decoded += bufoff * 4 } } if off > 0 { |