From 10a4cfc75765d4f10010b105a190bc1ad30d4a79 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Thu, 9 Apr 2015 22:39:47 +0300
Subject: [PATCH] os: os.read() should return immutable value suitable e.g. for
 hashing.

Converting bytearray to bytes is of course not memory-efficient, so
os.read() is good candidate for native implementation.
---
 os/os/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/os/os/__init__.py b/os/os/__init__.py
index 8e057d51..36210aba 100644
--- a/os/os/__init__.py
+++ b/os/os/__init__.py
@@ -158,7 +158,7 @@ def read(fd, n):
     buf = bytearray(n)
     r = read_(fd, buf, n)
     check_error(r)
-    return buf[:r]
+    return bytes(buf[:r])
 
 def write(fd, buf):
     r = write_(fd, buf, len(buf))