From 8e157ccb23885b2a9a8a5d66c3955fc560fd0074 Mon Sep 17 00:00:00 2001
From: Euan T <euantorano@users.noreply.github.com>
Date: Sat, 3 Aug 2019 07:50:30 +0100
Subject: [PATCH] Update returned error return when not a character device.

Co-Authored-By: Andrew Kelley <andrew@ziglang.org>
---
 std/os.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/std/os.zig b/std/os.zig
index ce240bb95..2caab634d 100644
--- a/std/os.zig
+++ b/std/os.zig
@@ -135,7 +135,7 @@ fn getRandomBytesDevURandom(buf: []u8) !void {
 
     const st = try fstat(fd);
     if (!system.S_ISCHR(st.mode)) {
-        return error.Unexpected;
+        return error.NoDevice;
     }
 
     const stream = &std.fs.File.openHandle(fd).inStream().stream;