From dc98b001f3740c00adb663f3ffac5bd5838cfe4f Mon Sep 17 00:00:00 2001
From: Zachary Raineri <zach@raineri.software>
Date: Tue, 25 Jul 2023 08:20:43 -0500
Subject: [PATCH] std.os.linux | Fix sendmmsg function | Issue #16513

Closes #16513
---
 lib/std/os/linux.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/os/linux.zig b/lib/std/os/linux.zig
index 500ef5d6f0..4335bba009 100644
--- a/lib/std/os/linux.zig
+++ b/lib/std/os/linux.zig
@@ -1268,7 +1268,7 @@ pub fn sendmsg(fd: i32, msg: *const msghdr_const, flags: u32) usize {
 }
 
 pub fn sendmmsg(fd: i32, msgvec: [*]mmsghdr_const, vlen: u32, flags: u32) usize {
-    if (@typeInfo(usize).Int.bits > @typeInfo(@TypeOf(mmsghdr(undefined).msg_len)).Int.bits) {
+    if (@typeInfo(usize).Int.bits > @typeInfo(@typeInfo(mmsghdr).Struct.fields[1].type).Int.bits) {
         // workaround kernel brokenness:
         // if adding up all iov_len overflows a i32 then split into multiple calls
         // see https://www.openwall.com/lists/musl/2014/06/07/5