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std.os.linux | Fix sendmmsg function | Issue #16513

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Closes #16513
This commit is contained in:
Zachary Raineri 2023-07-25 08:20:43 -05:00 committed by Andrew Kelley
parent 32e78e239f
commit dc98b001f3
1 changed files with 1 additions and 1 deletions
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lib/std/os/linux.zig
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@ -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