rmccullagh

static void __debug(const char* fname, const char* format, ...)
{
        fprintf(stderr, "DEBUG: %s", fname);
        va_list args;
        va_start (args, format);
        vfprintf (stderr, format, args);
        va_end (args);
} 

#define debug(format, ...) __debug(__func__, format, __VA_ARGS__)

rmccullagh

/*
 * ascii whitespace:
 * U+0009
 * U+000A
 * U+000C
 * U+000D
 * U+0020
*/
 /*
 * code point, four-to-six hex chars

rmccullagh

#include <stdlib.h>
#include <stdio.h>
#include <sys/stat.h>

/*
 * memory allocation sub routine that DOES NOT fail
 */
void* tryAllocate()
{
        void* buffer;

rmccullagh

/*
*  Copyright (c) 2015 Ryan McCullagh <me@ryanmccullagh.com>
*
*  This program is free software: you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of

rmccullagh

<?php
$str = "Sending: 6011 1234 4321 1234:12/2016:543.21:John Doe
Received: Mon Apr 27 18:07:22 CDT 2015: Discover: 6011 1234 4321 1234 is valid: authorization code: 472080 for $543.21";

$a = preg_split("/\n/", $str);
array_shift($a);
$c = preg_match_all('/authorization\scode:\s[0-9]+/', $a[0], $matches);
$d = preg_split('/\n/', $matches[0][0]);
$e = explode(" ", $d[0]);
var_dump($e[2]);

rmccullagh

function isWebScaleCapable() {
  return true;  
}

if(isWebScaleCapable()) {
  INIT_WEB_SCALE(); 
}

rmccullagh

static void read_file(void)
{
        FILE* fp = fopen("a.dat", "rb");
        size_t bread = 0;
        int data;
        if(fp == NULL) {
                fprintf(stderr, "Read error\n");
                exit(1);
        }

rmccullagh

#include <stdlib.h>
#include <stdio.h>

int main()
{
        int r[10];
        for(size_t i = 0; i < 10; i++) {
                r[i] = i + 1;
        }

rmccullagh

#include <stdbool.h>
#include <stdio.h>

bool is_power_of_two(size_t);
int my_pop_count(size_t);

int main()
{
	size_t n = 8;

rmccullagh

/*
 * return the Hamming Weight
 */
int my_pop_count(size_t x)
{
        unsigned setBits = 0;
        do {
                int rem = x % 2;
                if(rem == 1) {
                        setBits++;