From c69d6345daf277b947341ba958458b0a500effe1 Mon Sep 17 00:00:00 2001 From: Russ Cox Date: Tue, 22 Nov 2011 12:22:28 -0500 Subject: [PATCH] os: make ReadAt comment clearer Fixes #2486. R=golang-dev, hanwen CC=golang-dev https://golang.org/cl/5417064 --- src/pkg/os/file.go | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/pkg/os/file.go b/src/pkg/os/file.go index 386afb889b..6a8d346f5c 100644 --- a/src/pkg/os/file.go +++ b/src/pkg/os/file.go @@ -70,8 +70,8 @@ func (file *File) Read(b []byte) (n int, err error) { // ReadAt reads len(b) bytes from the File starting at byte offset off. // It returns the number of bytes read and the error, if any. -// EOF is signaled by a zero count with err set to io.EOF. -// ReadAt always returns a non-nil error when n != len(b). +// ReadAt always returns a non-nil error when n < len(b). +// At end of file, that error is io.EOF. func (file *File) ReadAt(b []byte, off int64) (n int, err error) { if file == nil { return 0, EINVAL -- 2.48.1