From f48115c6502a3fb791dc4b37f5817024c9731ee3 Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Mon, 8 Nov 2021 18:30:30 -0800 Subject: [PATCH] os: clarify that File.{Read,Write} use the buffer Fixes #49470 Change-Id: I81fd4b0e2eef1d8d430b5d1d10c4f824e803a75c Reviewed-on: https://go-review.googlesource.com/c/go/+/362335 Trust: Ian Lance Taylor Run-TryBot: Ian Lance Taylor TryBot-Result: Go Bot Reviewed-by: Brad Fitzpatrick --- src/os/file.go | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/os/file.go b/src/os/file.go index e717f171e7..2823128554 100644 --- a/src/os/file.go +++ b/src/os/file.go @@ -109,7 +109,7 @@ func (e *LinkError) Unwrap() error { return e.Err } -// Read reads up to len(b) bytes from the File. +// Read reads up to len(b) bytes from the File and stores them in b. // It returns the number of bytes read and any error encountered. // At end of file, Read returns 0, io.EOF. func (f *File) Read(b []byte) (n int, err error) { @@ -166,7 +166,7 @@ type onlyWriter struct { io.Writer } -// Write writes len(b) bytes to the File. +// Write writes len(b) bytes from b to the File. // It returns the number of bytes written and an error, if any. // Write returns a non-nil error when n != len(b). func (f *File) Write(b []byte) (n int, err error) { -- 2.50.0