From 1fabd6bbf355eb6111c4ed88be97f1ec2bf7b1ae Mon Sep 17 00:00:00 2001
From: Shritesh Bhattarai <shritesh@shritesh.com>
Date: Tue, 30 Apr 2019 19:48:20 -0500
Subject: wasi: implement getRandomBytes

---
 std/os.zig | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'std/os.zig')

diff --git a/std/os.zig b/std/os.zig
index c55597f135..50904f7345 100644
--- a/std/os.zig
+++ b/std/os.zig
@@ -146,6 +146,12 @@ pub fn getRandomBytes(buf: []u8) !void {
                 };
             }
         },
+        Os.wasi => {
+            const random_get_result = os.wasi.random_get(buf.ptr, buf.len);
+            if (random_get_result != os.wasi.ESUCCESS) {
+                return error.Unknown;
+            }
+        },
         Os.zen => {
             const randomness = []u8{ 42, 1, 7, 12, 22, 17, 99, 16, 26, 87, 41, 45 };
             var i: usize = 0;
-- 
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