From 38a1391cc752391dd5af07df3b930a587f741e82 Mon Sep 17 00:00:00 2001
From: Artur Albov <artur.albov@gmail.com>
Date: Thu, 31 Jan 2019 14:20:31 +0700
Subject: [PATCH] Fix import reader

---
 util/file.go | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/util/file.go b/util/file.go
index fb863ff4..07f04bb9 100644
--- a/util/file.go
+++ b/util/file.go
@@ -18,12 +18,17 @@ func RootifyPath(path string) string {
 
 func ReadExactlyNBytes(reader io.Reader, n uint64) ([]byte, error) {
 	data := make([]byte, n)
-	bytesReaded, err := reader.Read(data)
-	if err != nil {
-		return nil, err
-	}
-	if uint64(bytesReaded) != n {
-		return nil, errors.New("not enough bytes tor read")
+	currentlyReadedBytes := uint64(0)
+	for currentlyReadedBytes < n {
+		readedBytes, err := reader.Read(data[currentlyReadedBytes:n])
+		if err != nil {
+			return nil, err
+		}
+		if uint64(readedBytes) == 0 {
+			return nil, errors.New("not enough bytes tor read")
+		}
+		currentlyReadedBytes += uint64(readedBytes)
 	}
+
 	return data, nil
 }