huff0: Do not check max size when reading table. (#586)

klauspost · web-flow · commit 5d3c21a372ff · 2022-05-11T11:20:12.000+02:00
Affects reading zstd dictionaries. This is only really needed when compressing anyway. Fixes #585
diff --git a/huff0/decompress.go b/huff0/decompress.go
@@ -35,7 +35,7 @@ const use8BitTables = true
 // If no Scratch is provided a new one is allocated.
 // The returned Scratch can be used for encoding or decoding input using this table.
 func ReadTable(in []byte, s *Scratch) (s2 *Scratch, remain []byte, err error) {
-	s, err = s.prepare(in)
+	s, err = s.prepare(nil)
 	if err != nil {
 		return s, nil, err
 	}

Original file line number	Diff line number	Diff line change
`@@ -35,7 +35,7 @@ const use8BitTables = true`
`35`	`35`	`// If no Scratch is provided a new one is allocated.`
`36`	`36`	`// The returned Scratch can be used for encoding or decoding input using this table.`
`37`	`37`	`func ReadTable(in []byte, s Scratch) (s2 Scratch, remain []byte, err error) {`
`38`		`- s, err = s.prepare(in)`
	`38`	`+ s, err = s.prepare(nil)`
`39`	`39`	`if err != nil {`
`40`	`40`	`return s, nil, err`
`41`	`41`	`}`