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make msghdr.iovlen unsigned

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I don't care what C headers say. This value is never supposed to be
negative.
This commit is contained in:
Andrew Kelley
2025-07-11 12:07:06 -07:00
parent 9a1f4cb011
commit 890f1fa848
2 changed files with 3 additions and 3 deletions
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4
lib/std/c.zig
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@@ -4110,7 +4110,7 @@ pub const msghdr_const = switch (native_os) {
/// scatter/gather array
iov: [*]const iovec_const,
/// # elements in iov
iovlen: i32,
iovlen: u32,
/// ancillary data
control: ?*const anyopaque,
/// ancillary data buffer len
@@ -4122,7 +4122,7 @@ pub const msghdr_const = switch (native_os) {
name: ?*const anyopaque,
namelen: socklen_t,
iov: [*]const iovec,
iovlen: c_int,
iovlen: c_uint,
control: ?*const anyopaque,
controllen: socklen_t,
flags: c_int,

2
lib/std/net.zig
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@@ -2125,7 +2125,7 @@ pub const Stream = struct {
return .{ .handle = w.file_writer.file.handle };
}
fn addBuf(v: []posix.iovec_const, i: *usize, bytes: []const u8) void {
fn addBuf(v: []posix.iovec_const, i: *@FieldType(posix.msghdr_const, "iovlen"), bytes: []const u8) void {
// OS checks ptr addr before length so zero length vectors must be omitted.
if (bytes.len == 0) return;
if (v.len - i.* == 0) return;