io: use error, add EOF, avoid os
R=r, r
CC=golang-dev
https://golang.org/cl/5311068
diff --git a/src/pkg/io/multi.go b/src/pkg/io/multi.go
index d702d46..2c7e816 100644
--- a/src/pkg/io/multi.go
+++ b/src/pkg/io/multi.go
@@ -4,17 +4,15 @@
package io
-import "os"
-
type multiReader struct {
readers []Reader
}
-func (mr *multiReader) Read(p []byte) (n int, err os.Error) {
+func (mr *multiReader) Read(p []byte) (n int, err error) {
for len(mr.readers) > 0 {
n, err = mr.readers[0].Read(p)
- if n > 0 || err != os.EOF {
- if err == os.EOF {
+ if n > 0 || err != EOF {
+ if err == EOF {
// Don't return EOF yet. There may be more bytes
// in the remaining readers.
err = nil
@@ -23,12 +21,12 @@
}
mr.readers = mr.readers[1:]
}
- return 0, os.EOF
+ return 0, EOF
}
// MultiReader returns a Reader that's the logical concatenation of
// the provided input readers. They're read sequentially. Once all
-// inputs are drained, Read will return os.EOF.
+// inputs are drained, Read will return EOF.
func MultiReader(readers ...Reader) Reader {
return &multiReader{readers}
}
@@ -37,7 +35,7 @@
writers []Writer
}
-func (t *multiWriter) Write(p []byte) (n int, err os.Error) {
+func (t *multiWriter) Write(p []byte) (n int, err error) {
for _, w := range t.writers {
n, err = w.Write(p)
if err != nil {