README
¶
lzfse
An LZFSE decompressor written in Go
package main
import (
"os"
"gihub.com/aixiansheng/lzfse"
)
func main() {
inf, err := os.Open("some.lzfse")
outf, err := os.Create("some.file")
d := lzfse.NewReader(fh)
io.Copy(outf, d)
}
Testing
make -C test/
# all tests
go test -v
# just one test
go test -v -run TestVariousSizes/test/test.small.dec.cmp
Documentation
¶
Overview ¶
Package lzfse implements LZFSE decompression.
Index ¶
Constants ¶
View Source
const ( LZFSE_ENCODE_L_STATES = 64 LZFSE_ENCODE_M_STATES = 64 LZFSE_ENCODE_D_STATES = 256 LZFSE_ENCODE_LITERAL_STATES = 1024 LZFSE_MATCHES_PER_BLOCK = 10000 LZFSE_LITERALS_PER_BLOCK = 4 * LZFSE_MATCHES_PER_BLOCK LZFSE_ENCODE_L_SYMBOLS = 20 LZFSE_ENCODE_M_SYMBOLS = 20 LZFSE_ENCODE_D_SYMBOLS = 64 LZFSE_ENCODE_LITERAL_SYMBOLS = 256 LZFSE_ENCODE_MAX_L_VALUE = 315 LZFSE_ENCODE_MAX_M_VALUE = 2359 LZFSE_ENCODE_MAX_D_VALUE = 262139 LZFSE_N_FREQ = (LZFSE_ENCODE_L_SYMBOLS + LZFSE_ENCODE_M_SYMBOLS + LZFSE_ENCODE_D_SYMBOLS + LZFSE_ENCODE_LITERAL_SYMBOLS) )
Variables ¶
This section is empty.
Functions ¶
Types ¶
type Magic ¶
type Magic uint32
Magic defines LZFSE and LZVN block magic numbers.
const ( LZFSE_NO_BLOCK_MAGIC Magic = 0 LZFSE_ENDOFSTREAM_BLOCK_MAGIC Magic = 0x24787662 LZFSE_UNCOMPRESSED_BLOCK_MAGIC Magic = 0x2d787662 LZFSE_COMPRESSEDV1_BLOCK_MAGIC Magic = 0x31787662 LZFSE_COMPRESSEDV2_BLOCK_MAGIC Magic = 0x32787662 LZFSE_COMPRESSEDLZVN_BLOCK_MAGIC Magic = 0x6e787662 INVALID = 0xdeadbeef )
Source Files
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