Luke McCarthy ljmccarthy

ljmccarthy / printargs.zig

Created April 8, 2019 10:11

	const std = @import("std");

	pub fn main() !void {
	const stdout = try std.io.getStdOut();

	var direct_allocator = std.heap.DirectAllocator.init();
	defer direct_allocator.deinit();

	var arena = std.heap.ArenaAllocator.init(&direct_allocator.allocator);
	defer arena.deinit();

ljmccarthy / removeable_drives_wmi.ps1

Created March 25, 2019 14:38

List removeable drives using WMI query

Get-WmiObject -query "SELECT * FROM Win32_DiskDrive WHERE MediaType = 'Removable Media'" | Select-Object *

ljmccarthy / writable_removeable_drives.ps1

Last active March 25, 2019 10:53

List removable writable drives on Windows

	Get-WmiObject -Class Win32_DiskDrive \|
	Where-Object {$_.Capabilities -contains 3 -and $_.MediaType -eq "Removable Media"} \|
	Select-Object Caption, Size, SerialNumber, InterfaceType, DeviceID, Status

ljmccarthy / det386.asm

Last active December 9, 2018 01:15

Detect 32-bit processor

ljmccarthy / detcpu.asm

Last active March 30, 2019 07:14

Detect x86 CPU Type (8086, i286, i386, i486, Pentium, Pentium Pro)

ljmccarthy / detect.asm

Last active December 29, 2024 14:46

Detect CGA, EGA, VGA or VESA BIOS in DOS.

ljmccarthy / incbin.py

Created November 7, 2018 21:10

	#!/usr/bin/env python3

	import os
	import re
	import sys

	def incbin(filename):
	with open(filename, 'rb') as f:
	data = f.read()
	name = os.path.splitext(os.path.basename(filename))[0]

ljmccarthy / varint.c

Last active October 16, 2018 11:43

Variable-sized integer encoding (32-bit)

	#include <assert.h>
	#include <stdint.h>
	#include <stdio.h>
	#include <string.h>

	size_t varint_size(uint32_t value) {
	return value < 0x80 ? 1 :
	value < 0x4000 ? 2 :
	value < 0x200000 ? 3 :
	value < 0x10000000 ? 4 : 5;

ljmccarthy / selfcompilerun.c

Created October 11, 2018 10:55

Self-compile and run C file. chmod +x and ./run it!

	#if 0
	set -e
	[ -z "$CC" ] && CC=$(which tcc clang gcc cc \| head -1)
	out="$(tempfile -p $(echo $(basename $0) \| cut -f 1 -d '.'))"
	$CC -pipe -x c -std=c99 -g -ftrapv -o $out "$0"
	exec $out "$@"
	#endif

	#include <stdio.h>

ljmccarthy / avglinelength.py

Created October 3, 2018 16:08

	#!/usr/bin/env python
	#
	# Displays the average line length from a directory of source files.
	#
	# Luke McCarthy 2018

	from __future__ import print_function
	import argparse
	import os
	import re