skeeto

// $ c++ -o kanzi kanzi.cpp
#define WIN32_LEAN_AND_MEAN  // avoids std::byte conflicts
#include "src/app/BlockDecompressor.cpp"
#include "src/app/Kanzi.cpp"
#include "src/app/InfoPrinter.cpp"
#include "src/app/BlockCompressor.cpp"
#include "src/transform/BWTS.cpp"
#include "src/transform/BWTBlockCodec.cpp"
#include "src/transform/SBRT.cpp"
#include "src/transform/ZRLT.cpp"

skeeto

#define assert(c)     while (!(c)) __builtin_unreachable()
#define new(a, n, t)  (t *)alloc(a, n, sizeof(t), _Alignof(t))

enum { PAGESIZE = 1<<12 };

typedef   signed int       b32;
typedef   signed int       i32;
typedef          char      byte;
typedef   signed long long iz;
typedef unsigned long long uz;

skeeto

// Mini lisp-like interpreter
//   $ cc -o lisp lisp.c
//   $ ./lisp "(cons (+ 1 2 3 (* -40 million)) (cdr (quote (1 2 3))))"
//   (-39999994 2 3)
// This is free and unencumbered software released into the public domain.
#include <stdint.h>
#include <stdio.h>
#include <string.h>

#define assert(c)       while (!(c)) *(volatile int *)0 = 0

skeeto

// Draw a triangle on Windows using OpenGL 1.1
// $ gcc -mwindows -o triangle triangle.c -lopengl32
// This is free and unencumbered software released into the public domain.
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <GL/gl.h>

#define countof(a) (int)(sizeof(a) / (sizeof(*(a))))

static LRESULT CALLBACK handler(HWND h, UINT msg, WPARAM wparam, LPARAM lparam)

skeeto

// 8-bit indexed PNG writer, no dependencies
// $ cc -o png png.c
// $ ./png >image.png
// This is free and unencumbered software released into the public domain.
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>

static uint32_t adler32(uint32_t sum, uint8_t *buf, ptrdiff_t len)
{

skeeto

// "Two Sum" benchmark
// $ cc -O1 -nostartfiles -o twoSum.exe twoSum.c
// $ cl /O1 twoSums.c /link /subsystem:console kernel32.lib libvcruntime.lib
// Ref: https://old.reddit.com/r/C_Programming/comments/1c36391
#include <stddef.h>
#include <stdint.h>
#include <string.h>

#define assert(c)     while (!(c)) *(volatile int *)0 = 0
#define new(a, t, n)  (t *)alloc(a, sizeof(t), _Alignof(t), n)

skeeto

// x86-64 Linux buffered "hello world"
// $ cc example.c && ./a.out
// Ref: https://old.reddit.com/r/C_Programming/comments/1bxvs3u
// Ref: https://thecoder08.github.io/hello-world.html
// Ref: https://nullprogram.com/blog/2023/02/13/
#include <stddef.h>
#include <string.h>

ptrdiff_t xwrite(int fd, void *buf, ptrdiff_t len)
{

skeeto

// $ cc -o persona persona.c
// $ ./persona <test.txt
// Ref: https://old.reddit.com/r/C_Programming/comments/1bmfb7p
#include <stddef.h>
#include <stdint.h>
#include <string.h>

#define assert(c)     while (!(c)) *(volatile int *)0 = 0
#define countof(a)    (ptrdiff_t)(sizeof(a) / sizeof(*(a)))
#define new(a, t, n)  (t *)alloc(a, sizeof(t), _Alignof(t), n)

skeeto

// Ref: https://old.reddit.com/r/golang/comments/1bcfe95/slice_as_map_key_in_go/
package main

import (
	"encoding/binary"
	"fmt"
	"math/rand"
	"slices"
	"strings"
	"testing"

skeeto

// $ cc -o graph graph.c
// $ ./a.out
// Ref: https://old.reddit.com/r/roguelikedev/comments/1b7pa9w/
#include <stdio.h>

static int rand31(unsigned long long *s)
{
    *s = *s*0x3243f6a8885a308dU + 1;
    return (int)(*s >> 33);
}