From 2917077323ac469ea12bfe4161a4f9e2082e652a Mon Sep 17 00:00:00 2001
From: Dion Williams <dionrhys1@gmail.com>
Date: Mon, 7 Sep 2015 11:32:43 +0100
Subject: [PATCH] Ensure reads from /dev/urandom are unbuffered
Upstream: JACoders/OpenJK@de6a9dfd40065ae9a5a2b0b3ef701feee8dac867
---
code/sys/sys_unix.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/code/sys/sys_unix.c b/code/sys/sys_unix.c
index 0cffd4f1..60050931 100644
--- a/code/sys/sys_unix.c
+++ b/code/sys/sys_unix.c
@@ -123,6 +123,8 @@ qboolean Sys_RandomBytes( byte *string, int len )
if( !fp )
return qfalse;
+ setvbuf( fp, NULL, _IONBF, 0 ); // don't buffer reads from /dev/urandom
+
if( fread( string, sizeof( byte ), len, fp ) != len )
{
fclose( fp );