things.zig

fn saveBodyToBuffer(argContent: *c_void, size: usize, nmemb: usize, userData: ?*c_void) callconv(.C) usize {
    var buffer = @ptrCast(*std.Buffer, @alignCast(8, userData));
    var content: [*]u8 = @ptrCast([*]u8, blk: {
        if (@alignOf(@TypeOf(argContent)) != 8)
            break :blk @alignCast(8, argContent);
        break :blk argContent;
    });
    buffer.replaceContents(@ptrCast([*]u8, content)[0 .. size * nmemb]) catch {
        std.debug.warn("summ bad happened\n", .{});
        return 0;
    };
    return size * nmemb;
}

// this would give me errors
fn saveBodyToBuffer(argContent: *c_void, size: usize, nmemb: usize, userData: ?*c_void) callconv(.C) usize {
    var buffer = @ptrCast(*std.Buffer, @alignCast(8, userData));
    var content: [*]u8 = @ptrCast([*]u8, blk: {
        if (@alignOf(@TypeOf(argContent)) != 8)
            break :blk @alignCast(8, argContent);
        break :blk argContent;
    });
    buffer.replaceContents(@ptrCast([*]u8, @alignCast(8, content))[0 .. size * nmemb]) catch {
        std.debug.warn("summ bad happened\n", .{});
        return 0;
    };
    return size * nmemb;
}