zig

commit 6ddb05d996ee23af585ad22c8cdb447d4550f2ea (tree)
parent b28992de7121802f3074d214d015d8bed66b624e
Author: Frank Denis <github@pureftpd.org>
Date:   Sun, 18 Oct 2020 16:28:11 +0200

Darwin has arc4random(), too

Diffstat:
M
lib/std/c/darwin.zig
 | 
2
++
M
lib/std/os.zig
 | 
16
++++++++--------

2 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/lib/std/c/darwin.zig b/lib/std/c/darwin.zig
@@ -171,3 +171,5 @@ pub const pthread_attr_t = extern struct {
     __sig: c_long,
     __opaque: [56]u8,
 };
+
+pub extern "c" fn arc4random_buf(buf: [*]u8, len: usize) void;
diff --git a/lib/std/os.zig b/lib/std/os.zig
@@ -164,17 +164,17 @@ pub fn getrandom(buffer: []u8) GetRandomError!void {
         }
         return;
     }
-    if (builtin.os.tag == .netbsd or builtin.os.tag == .openbsd) {
-        system.arc4random_buf(buffer.ptr, buffer.len);
-        return;
-    }
-    if (builtin.os.tag == .wasi) {
-        switch (wasi.random_get(buffer.ptr, buffer.len)) {
+    switch (builtin.os.tag) {
+        .netbsd, .openbsd, .macos, .ios, .tvos, .watchos => {
+            system.arc4random_buf(buffer.ptr, buffer.len);
+            return;
+        },
+        .wasi => switch (wasi.random_get(buffer.ptr, buffer.len)) {
             0 => return,
             else => |err| return unexpectedErrno(err),
-        }
+        },
+        else => return getRandomBytesDevURandom(buffer),
     }
-    return getRandomBytesDevURandom(buffer);
 }
 
 fn getRandomBytesDevURandom(buf: []u8) !void {