const std = @import("std");
const syscall = @import("syscall.zig");

pub const BUFFER_SIZE: usize = 512;

pub const Writer = struct {
    buffer: [BUFFER_SIZE]u8 = undefined,
    position: usize = 0,

    fn write(self: *Writer, bytes: []const u8) error{}!usize {
        const amount = @min(BUFFER_SIZE - self.position, bytes.len);
        if (amount != 0) {
            @memcpy(self.buffer[self.position .. self.position + amount], bytes[0..amount]);
            self.position += amount;
        }
        return amount;
    }
};

pub fn println(comptime format: []const u8, args: anytype) void {
    const W = std.io.GenericWriter(*Writer, error{}, Writer.write);
    var context = Writer{};
    var w = W{ .context = &context };
    w.print(format, args) catch return;
    if (context.position != 0) {
        syscall.debug_write(context.buffer[0..context.position]);
    }
}