From: Matt Joiner <anacrolix@gmail.com>
Date: Thu, 26 Feb 2015 05:10:38 +0000 (+1100)
Subject: Implement File.ReadAt
X-Git-Tag: v1.0.0~1313
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=3f335cabfc8d70724a7c345a86ab7a444afb087d;p=btrtrc.git

Implement File.ReadAt
---

diff --git a/client.go b/client.go
index 2fff46a9..9a897612 100644
--- a/client.go
+++ b/client.go
@@ -1675,6 +1675,14 @@ type File struct {
 	metainfo.FileInfo
 }
 
+func (f File) ReadAt(p []byte, off int64) (n int, err error) {
+	maxLen := f.length - off
+	if int64(len(p)) > maxLen {
+		p = p[:maxLen]
+	}
+	return f.t.ReadAt(p, off+f.offset)
+}
+
 func (f *File) Length() int64 {
 	return f.length
 }