clausecker

/* http://stackoverflow.com/a/1732454/417501 */

%{
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>

#define MYEOF      EOF
#define TOKEN_URL  257

clausecker

#!/bin/sh

PATH="$PATH:/usr/local/bin"
export LC_CTYPE=C
export LC_COLLATE=C

# decode URL encoded $1 and print result to stdout
urldecode() {
	gawk "BEGIN { print \"$(echo "$1" | sed -e 's/"/\\"/' -e 's/+/ /g' -e 's/%/\\x/g')\" }" </dev/null
}

clausecker

/* remove comments from C source files */

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

/*
 * read ahead buffer
 */
static char rabuf[BUFSIZ], *readahead = rabuf;

clausecker

	section bss
BUFSIZ	equ 64
iobuf	resb BUFSIZ		; where we put the number


	section text
	
	; convert 32 bit number in argument to asciz in iobuf
	; return pointer to number in ax
	global ltoa@4

clausecker

	# binary gcd algorithm in amd64 assembly
	# gcd(u, v);
	.text
	.globl gcd
	.type gcd,@function
gcd:
	# u is in edi
	# v is in esi

	# abs routines are not branch free because we need to test

clausecker

static struct puzzle *
read_puzzles(size_t *n_puzzle, FILE *puzzlefile)
{
        struct puzzle *puzzles;
        size_t cap = 64, n_linebuf;
        char *linebuf = NULL;

        *n_puzzle = 0;
        puzzles = malloc(cap * sizeof *puzzles);
        if (puzzles == NULL) {

clausecker

/*-
 * Copyright (c) 2014, 2016 Robert Clausecker
 */

/*
 * util.h - various utility functions
 */

#ifndef UTIL_H
#define UTIL_H

clausecker

        .text
        .globl exp
        .type exp,@function
        .align 16
exp:
        fldt 4(%esp)            # x
        fldl2e                  # log2(e) x
        fmulp                   # x' (= log2(e) * x)
        fld %st(0)              # x' x'
        frndint                 # round(x') x'

clausecker

/* https://www.reddit.com/r/abstractgames/comments/6dklih/ */
#include <stdio.h>
#include <stdlib.h>

/*
 * The game is played on a board like this, every player has three
 * pieces named a, b, and c.  The player to play first (blue) has
 * uppercase pieces, the other player has lowercase pieces.  This is
 * the initial setup:
 *

clausecker

/*-
 * Copyright (c) 2014, 2016 Robert Clausecker
 */

/*
 * parse_mode() - parse an octal or symbolic mode string into a mode_t
 */

#define _XOPEN_SOURCE 700
#include <stdlib.h>