Probably should name the custom packages specially

1 files changed, 0 insertions, 69 deletions

diff --git a/internal/zlib/decompress.go b/internal/zlib/decompress.go
deleted file mode 100644
index 55f6d3e2..00000000
--- a/internal/zlib/decompress.go
+++ /dev/null
@@ -1,69 +0,0 @@
-package zlib
-
-import (
-	"encoding/binary"
-	"io"
-
-	"git.sr.ht/~runxiyu/furgit/internal/adler32"
-	"git.sr.ht/~runxiyu/furgit/internal/bufpool"
-	"git.sr.ht/~runxiyu/furgit/internal/flate"
-)
-
-// Decompress inflates the provided zlib wrapped stream and returns the
-// uncompressed data inside a pooled bufpool.Buffer.
-func Decompress(src []byte) (bufpool.Buffer, error) {
-	return DecompressDict(src, nil)
-}
-
-// DecompressDict is like Decompress but accepts a preset dictionary. The
-// dictionary must match the checksum embedded in the stream if the dictionary
-// flag is present.
-func DecompressDict(src []byte, dict []byte) (bufpool.Buffer, error) {
-	if len(src) < 6 {
-		return bufpool.Buffer{}, io.ErrUnexpectedEOF
-	}
-
-	cmf := src[0]
-	flg := src[1]
-	if (cmf&0x0f != zlibDeflate) || (cmf>>4 > zlibMaxWindow) || (binary.BigEndian.Uint16(src[:2])%31 != 0) {
-		return bufpool.Buffer{}, ErrHeader
-	}
-
-	offset := 2
-	haveDict := flg&0x20 != 0
-	if haveDict {
-		if len(src) < offset+4 {
-			return bufpool.Buffer{}, io.ErrUnexpectedEOF
-		}
-		if dict == nil {
-			return bufpool.Buffer{}, ErrDictionary
-		}
-		checksum := binary.BigEndian.Uint32(src[offset : offset+4])
-		if checksum != adler32.Checksum(dict) {
-			return bufpool.Buffer{}, ErrDictionary
-		}
-		offset += 4
-	}
-
-	if len(src[offset:]) < 4 {
-		return bufpool.Buffer{}, io.ErrUnexpectedEOF
-	}
-
-	deflateData := src[offset:]
-	out, consumed, err := flate.DecompressDict(deflateData, dict)
-	if err != nil {
-		return bufpool.Buffer{}, err
-	}
-
-	checksumPos := offset + consumed
-	if checksumPos+4 > len(src) {
-		out.Release()
-		return bufpool.Buffer{}, io.ErrUnexpectedEOF
-	}
-	expected := binary.BigEndian.Uint32(src[checksumPos : checksumPos+4])
-	if expected != adler32.Checksum(out.Bytes()) {
-		out.Release()
-		return bufpool.Buffer{}, ErrChecksum
-	}
-	return out, nil
-}