increase DecodedLen

IncSW · IncSW · commit 4299594a3ac8 · 2021-08-25T10:49:53.000+03:00
diff --git a/base64.go b/base64.go
@@ -55,10 +55,14 @@ func (e *Encoding) EncodeStringToString(src string) string {
 }
 
 func (e *Encoding) DecodedLen(n int) int {
+	sf := 0
+	if n > 4 {
+		sf++
+	}
 	if !e.pad {
-		return n * 6 / 8
+		return n*6/8 + sf
 	}
-	return n / 4 * 3
+	return n/4*3 + sf
 }
 
 func (e *Encoding) Decode(dst []byte, src []byte) (int, error) {

Original file line number	Diff line number	Diff line change
`@@ -55,10 +55,14 @@ func (e *Encoding) EncodeStringToString(src string) string {`
`55`	`55`	`}`
`56`	`56`
`57`	`57`	`func (e *Encoding) DecodedLen(n int) int {`
	`58`	`+ sf := 0`
	`59`	`+ if n > 4 {`
	`60`	`+ sf++`
	`61`	`+ }`
`58`	`62`	`if !e.pad {`
`59`		`- return n * 6 / 8`
	`63`	`+ return n*6/8 + sf`
`60`	`64`	`}`
`61`		`- return n / 4 * 3`
	`65`	`+ return n/4*3 + sf`
`62`	`66`	`}`
`63`	`67`
`64`	`68`	`func (e *Encoding) Decode(dst []byte, src []byte) (int, error) {`