util.random: Open /dev/urandom read-only, make seed() a noop

diff --git a/util/random.lua b/util/random.lua
index 4963e98c5645268f196c3d98858e1ccc5a7cc8bd..05f36aba326d661fd93182d3875e13520e1b01c9 100644 (file)
--- a/util/random.lua
+++ b/util/random.lua
@@ -6,11 +6,9 @@
 -- COPYING file in the source package for more information.
 --
 
-local urandom = assert(io.open("/dev/urandom", "r+"));
+local urandom = assert(io.open("/dev/urandom", "r"));
 
-local function seed(x)
-       urandom:write(x);
-       urandom:flush();
+local function seed()
 end
 
 local function bytes(n)