Merge pull request #12 from qiniu/develop

xushiwei · xushiwei · commit 83501c539eb7 · 2015-07-13T12:43:09.000+08:00
bytes.ReplaceAt bugfix
diff --git a/bytes.v7/replace.go b/bytes.v7/replace.go
@@ -17,8 +17,7 @@ func ReplaceAt(b []byte, off, nsrc int, dest []byte) []byte {
 	}
 
 	if ndelta > 0 {
-		tailoff := len(b) - ndelta
-		b = append(b, b[tailoff:]...)
+		b = append(b, dest[:ndelta]...)
 		copy(b[off+len(dest):], b[off+nsrc:])
 		copy(b[off:], dest)
 	} else {

Original file line number	Diff line number	Diff line change
`@@ -17,8 +17,7 @@ func ReplaceAt(b []byte, off, nsrc int, dest []byte) []byte {`
`17`	`17`	`}`
`18`	`18`
`19`	`19`	`if ndelta > 0 {`
`20`		`- tailoff := len(b) - ndelta`
`21`		`- b = append(b, b[tailoff:]...)`
	`20`	`+ b = append(b, dest[:ndelta]...)`
`22`	`21`	`copy(b[off+len(dest):], b[off+nsrc:])`
`23`	`22`	`copy(b[off:], dest)`
`24`	`23`	`} else {`