Zig 0.17.0-dev (Split by item)

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addAfdBuf

Threaded.addAfdBuf

fn addAfdBuf(
    comptime mutability: windows.AFD.Mutability,
    iovecs: []windows.AFD.WSABUF(mutability),
    len: *u32,
    bytes: switch (mutability)

File

lib/std/Io/Threaded.zig:13370

Code

fn addAfdBuf(
    comptime mutability: windows.AFD.Mutability,
    iovecs: []windows.AFD.WSABUF(mutability),
    len: *u32,
    bytes: switch (mutability) {
        .@"const" => []const u8,
        .@"var" => []u8,
    },
) void {
    if (bytes.len == 0) return;
    const cap = std.math.maxInt(u32);
    var remaining = bytes;
    while (remaining.len > cap) {
        if (iovecs.len - len.* == 0) return;
        iovecs[len.*] = .{ .buf = remaining.ptr, .len = cap };
        len.* += 1;
        remaining = remaining[cap..];
    } else {
        @branchHint(.likely);
        if (iovecs.len - len.* == 0) return;
        iovecs[len.*] = .{ .buf = remaining.ptr, .len = @intCast(remaining.len) };
        len.* += 1;
    }
}