The navigation bar for a winning entry now has a "_Original C_" link
(between the ✅ and the Inventory on the right hand side) so that one
may easily view the original C code that was submitted for IOCCC judging.
Ran `make www timestamp` to perform the above.
742 lines
28 KiB
HTML
742 lines
28 KiB
HTML
<!DOCTYPE html>
|
||
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
|
||
<!-- START: two lines up starts content from: inc/top.default.html -->
|
||
|
||
<!-- END: this line ends content from: inc/top.default.html -->
|
||
<!-- START: this line starts content from: inc/head.default.html -->
|
||
|
||
<head>
|
||
<link rel="stylesheet" href="../../ioccc.css">
|
||
<link href="https://fonts.googleapis.com/css2?family=Outfit:wght@100..900&display=swap" rel="stylesheet">
|
||
<meta charset="utf-8">
|
||
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
|
||
<title>2014/skeggs - Most dynamic</title>
|
||
<link rel="icon" type="image/x-icon" href="../../favicon.ico">
|
||
<meta name="description" content="2014 IOCCC entry skeggs - Most dynamic">
|
||
<meta name="keywords" content="IOCCC, 2014, IOCCC 2014, IOCCC entry, skeggs, Most dynamic">
|
||
</head>
|
||
|
||
<!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
|
||
<!-- !!! DO NOT MODIFY THIS FILE - This file is generated by a tool !!! -->
|
||
<!-- !!! DO NOT MODIFY THIS FILE - This file is generated by a tool !!! -->
|
||
<!-- !!! DO NOT MODIFY THIS FILE - This file is generated by a tool !!! -->
|
||
<!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
|
||
|
||
<!-- END: this line ends content from: inc/head.default.html -->
|
||
|
||
<!-- -->
|
||
<!-- This web page was formed via the tool: bin/readme2index.sh -->
|
||
<!-- The content of main section of this web page came from: 2014/skeggs/README.md -->
|
||
<!-- -->
|
||
|
||
<!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
|
||
<!-- !!! Do not modify this web page, instead modify the file: 2014/skeggs/README.md !!! -->
|
||
<!-- !!! Do not modify this web page, instead modify the file: 2014/skeggs/README.md !!! -->
|
||
<!-- !!! Do not modify this web page, instead modify the file: 2014/skeggs/README.md !!! -->
|
||
<!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
|
||
|
||
<!-- Markdown content was converted into HTML via the tool: bin/md2html.sh -->
|
||
|
||
<!-- START: this line starts content from: inc/body.default.html -->
|
||
|
||
<body>
|
||
|
||
<!-- END: this line ends content from: inc/body.default.html -->
|
||
<!-- START: this line starts content from: inc/topbar.default.html -->
|
||
|
||
<div class="theader">
|
||
<nav class="topbar">
|
||
<div class="container">
|
||
<div class="logo">
|
||
<a href="../../index.html" class="logo-link">
|
||
IOCCC
|
||
</a>
|
||
</div>
|
||
|
||
<div class="topbar-items">
|
||
<div class="item">
|
||
<span class="item-header">
|
||
Entries
|
||
</span>
|
||
|
||
<div class="sub-item">
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../years.html" class="sub-item-link">
|
||
Winning entries
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../authors.html" class="sub-item-link">
|
||
Winning authors
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../location.html" class="sub-item-link">
|
||
Location of authors
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../bugs.html" class="sub-item-link">
|
||
Bugs and (mis)features
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../faq.html#fix_an_entry" class="sub-item-link">
|
||
Fixing entries
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../faq.html#fix_author" class="sub-item-link">
|
||
Updating author info
|
||
</a>
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
|
||
<div class="item">
|
||
<span class="item-header">
|
||
Status
|
||
</span>
|
||
|
||
<div class="sub-item">
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../news.html" class="sub-item-link">
|
||
News
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../status.html" class="sub-item-link">
|
||
Contest status
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../next/rules.html" class="sub-item-link">
|
||
IOCCC rules
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../next/guidelines.html" class="sub-item-link">
|
||
IOCCC guidelines
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../markdown.html" class="sub-item-link">
|
||
Markdown guidelines
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../SECURITY.html" class="sub-item-link">
|
||
Security policy
|
||
</a>
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
|
||
<div class="item">
|
||
<span class="item-header">
|
||
FAQ
|
||
</span>
|
||
|
||
<div class="sub-item">
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../faq.html" class="sub-item-link">
|
||
Frequently asked questions
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../quick-start.html#enter" class="sub-item-link">
|
||
Enter the IOCCC
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../faq.html#compiling" class="sub-item-link">
|
||
Compiling entries
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../faq.html#running_entries" class="sub-item-link">
|
||
Running entries
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../faq.html#help" class="sub-item-link">
|
||
How to help
|
||
</a>
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
|
||
<div class="item">
|
||
<span class="item-header">
|
||
About
|
||
</span>
|
||
|
||
<div class="sub-item">
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../index.html" class="sub-item-link">
|
||
Home page
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../social.html" class="sub-item-link">
|
||
IOCCC social media
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../about.html" class="sub-item-link">
|
||
About the IOCCC
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../judges.html" class="sub-item-link">
|
||
The judges
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../thanks-for-help.html" class="sub-item-link">
|
||
Thanks for the help
|
||
</a>
|
||
</div>
|
||
|
||
<div class="outfit-font">
|
||
<a href="../../contact.html" class="sub-item-link">
|
||
Contact us
|
||
</a>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</nav>
|
||
|
||
<div class="header-mobile-menu">
|
||
<noscript>
|
||
<a href="../../nojs-menu.html" class="topbar-js-label">
|
||
Please Enable JavaScript
|
||
</a>
|
||
</noscript>
|
||
|
||
<button id="header-open-menu-button" class="topbar-mobile-menu">
|
||
<img
|
||
src="../../png/hamburger-icon-open.png"
|
||
alt="hamburger style menu icon - open state"
|
||
width=48
|
||
height=48>
|
||
</button>
|
||
|
||
<button id="header-close-menu-button" class="hide-content">
|
||
<img
|
||
src="../../png/hamburger-icon-closed.png"
|
||
alt="hamburger style menu icon - closed state"
|
||
width=48
|
||
height=48>
|
||
</button>
|
||
|
||
<div id="mobile-menu-panel" class="hide-content">
|
||
<div class="mobile-menu-container">
|
||
|
||
<div class="mobile-menu-wrapper">
|
||
<div class="mobile-menu-item">
|
||
Entries
|
||
</div>
|
||
<div class="mobile-submenu-wrapper">
|
||
|
||
<a class="mobile-submenu-item" href="../../years.html">
|
||
Winning entries
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../authors.html">
|
||
Winning authors
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../location.html">
|
||
Location of authors
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../bugs.html">
|
||
Bugs and (mis)features
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../faq.html#fix_an_entry">
|
||
Fixing entries
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../faq.html#fix_author">
|
||
Updating author info
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../thanks-for-help.html">
|
||
Thanks for the help
|
||
</a>
|
||
|
||
</div>
|
||
</div>
|
||
|
||
<div class="mobile-menu-wrapper">
|
||
|
||
<div class="mobile-menu-item">
|
||
Status
|
||
</div>
|
||
<div class="mobile-submenu-wrapper">
|
||
|
||
<a class="mobile-submenu-item" href="../../news.html">
|
||
News
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../status.html">
|
||
Contest status
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../next/rules.html">
|
||
IOCCC rules
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../next/guidelines.html">
|
||
IOCCC guidelines
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../markdown.html">
|
||
Markdown guidelines
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../SECURITY.html">
|
||
Security policy
|
||
</a>
|
||
|
||
</div>
|
||
</div>
|
||
|
||
<div class="mobile-menu-wrapper">
|
||
<div class="mobile-menu-item">
|
||
FAQ
|
||
</div>
|
||
<div class="mobile-submenu-wrapper">
|
||
|
||
<a class="mobile-submenu-item" href="../../faq.html">
|
||
Frequently asked questions
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../quick-start.html#enter">
|
||
Enter the IOCCC
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../faq.html#compiling">
|
||
Compiling entries
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../faq.html#running_entries">
|
||
Running entries
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../faq.html#help">
|
||
How to help
|
||
</a>
|
||
|
||
</div>
|
||
</div>
|
||
|
||
<div class="mobile-menu-wrapper">
|
||
<div class="mobile-menu-item">
|
||
About
|
||
</div>
|
||
<div class="mobile-submenu-wrapper">
|
||
|
||
<a class="mobile-submenu-item" href="../../index.html">
|
||
Home page
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../social.html">
|
||
IOCCC social media
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../about.html">
|
||
About the IOCCC
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../judges.html">
|
||
The judges
|
||
</a>
|
||
|
||
<a class="mobile-submenu-item" href="../../contact.html">
|
||
Contact us
|
||
</a>
|
||
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
</div>
|
||
|
||
<script>
|
||
var headerOpenMenuButton = document.getElementById("header-open-menu-button");
|
||
var headerCloseMenuButton = document.getElementById("header-close-menu-button");
|
||
var mobileMenuPanel = document.getElementById("mobile-menu-panel");
|
||
|
||
headerOpenMenuButton.addEventListener("click", () => {
|
||
headerOpenMenuButton.classList.remove("topbar-mobile-menu");
|
||
headerOpenMenuButton.classList.add("hide-content");
|
||
|
||
headerCloseMenuButton.classList.remove("hide-content");
|
||
headerCloseMenuButton.classList.add("topbar-mobile-menu");
|
||
|
||
mobileMenuPanel.classList.remove("hide-content");
|
||
mobileMenuPanel.classList.add("topbar-mobile-panel");
|
||
});
|
||
|
||
headerCloseMenuButton.addEventListener("click", () => {
|
||
headerCloseMenuButton.classList.remove("topbar-mobile-menu");
|
||
headerCloseMenuButton.classList.add("hide-content");
|
||
|
||
mobileMenuPanel.classList.add("hide-content");
|
||
mobileMenuPanel.classList.remove("topbar-mobile-panel");
|
||
|
||
headerOpenMenuButton.classList.add("topbar-mobile-menu");
|
||
headerOpenMenuButton.classList.remove("hide-content");
|
||
});
|
||
</script>
|
||
|
||
<!-- END: this line ends content from: inc/topbar.default.html -->
|
||
<!-- START: this line starts content from: inc/header.default.html -->
|
||
|
||
<div class="header">
|
||
<a href="../../2011/zucker/index.html">
|
||
<img src="../../png/ioccc.png"
|
||
alt="IOCCC image by Matt Zucker"
|
||
width=300
|
||
height=110>
|
||
</a>
|
||
<h1>The International Obfuscated C Code Contest</h1>
|
||
<h2>2014/skeggs - Most dynamic</h2>
|
||
<h3>dynamic library abusing game</h3>
|
||
</div>
|
||
|
||
<!-- END: this line ends content from: inc/header.default.html -->
|
||
<!-- START: this line starts content from: inc/navbar.mid.html -->
|
||
|
||
<div class="navbar">
|
||
<a class="Left" href="../sinon/index.html">← 2014/sinon</a>
|
||
<a class="Left" href="../index.html">↑ 2014 ↑</a>
|
||
<a class="Left" href="../vik/index.html">2014/vik →</a>
|
||
<a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2014/skeggs/prog.c">C code</a>
|
||
<a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2014/skeggs/Makefile">Makefile</a>
|
||
<a class="Right" href="#inventory">Inventory</a>
|
||
<a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2014/skeggs/prog.orig.c">Original C</a>
|
||
<a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2014%2Fskeggs%2Findex.html">✓</a>
|
||
</div>
|
||
|
||
<!-- END: this line ends content from: inc/navbar.mid.html -->
|
||
<!-- START: this line starts content from: inc/before-content.default.html -->
|
||
|
||
<div class="content" id="content">
|
||
|
||
<!-- END: this line ends content from: inc/before-content.default.html -->
|
||
<!-- START: this line starts content for HTML phase 20 by: bin/output-index-author.sh via bin/md2html.sh -->
|
||
|
||
<!-- START: this line starts content generated by: bin/output-index-author.sh -->
|
||
|
||
<h2 id="author">Author:</h2>
|
||
<ul>
|
||
<li>Name: <a href="../../authors.html#Cel_Skeggs">Cel Skeggs</a><br>
|
||
Location: <a href="../../location.html#US">US</a> - <em>United States of America</em> (<em>United States</em>)</li>
|
||
</ul>
|
||
|
||
<!-- END: next line ends content generated by: bin/output-index-author.sh -->
|
||
|
||
<!-- END: this line ends content for HTML phase 20 by: bin/output-index-author.sh via bin/md2html.sh -->
|
||
<!-- START: this line starts content for HTML phase 21 by: bin/pandoc-wrapper.sh via bin/md2html.sh -->
|
||
|
||
<!-- BEFORE: 1st line of markdown file: 2014/skeggs/README.md -->
|
||
<h2 id="to-build">To build:</h2>
|
||
<pre><code> make</code></pre>
|
||
<h2 id="to-use">To use:</h2>
|
||
<pre><code> ./prog</code></pre>
|
||
<p><strong>HINT</strong>: Try pressing the left and right arrow keys as needed.
|
||
Also try pressing space/enter to select options.
|
||
Pressing Q or Escape may end the fun before you are ready. :-)</p>
|
||
<h2 id="judges-remarks">Judges’ remarks:</h2>
|
||
<p>When the code looks like lemons, it is probably because the LEMONPEOPLE,
|
||
or at least the LEMONLORD was involved. :-)</p>
|
||
<p>Look at some of the C pre-processor macros in the source code.
|
||
Ask yourself why C source is being passed as arguments to some
|
||
of those macros.</p>
|
||
<p>Now you may observe, while it is running, that some C source code is being
|
||
written to a file and then compiled. And yet that compiled code is somehow
|
||
executed from <code>main()</code>. But how? How is <code>main()</code> able to call code that was
|
||
written and compiled just in time for execution?</p>
|
||
<h2 id="authors-remarks">Author’s remarks:</h2>
|
||
<h3 id="table-of-contents">TABLE OF CONTENTS</h3>
|
||
<ul>
|
||
<li>Backstory</li>
|
||
<li>Known compiler warnings</li>
|
||
<li>Obfuscation</li>
|
||
<li>Troubleshooting guide (IMPORTANT!)</li>
|
||
<li>Q&A</li>
|
||
</ul>
|
||
<h3 id="backstory">BACKSTORY</h3>
|
||
<p>It was ten yours ago when THE LEMONPEOPLE invaded, juicing all in their path.</p>
|
||
<p>Attempting to free the Earth from their tyranny, you have endured pulpy and
|
||
sour battles.</p>
|
||
<p>This has now culminated in you reaching the throne room of THE LEMONLORD.</p>
|
||
<p>Armed with your right-facing curly brace, you charge into battle.</p>
|
||
<p>(Use left and right arrow keys and space/enter to select options. Press Q or
|
||
Escape to quit.)</p>
|
||
<h3 id="known-compiler-warnings">KNOWN COMPILER WARNINGS</h3>
|
||
<p>Unfortunately, it became very difficult to get this entry to fit within the
|
||
size requirements. It’s currently at 2052 according to
|
||
<a href="https://github.com/ioccc-src/winner/blob/master/2014/iocccsize.c">iocccsize</a>, and 3994 according to <code>wc -c</code>.</p>
|
||
<p>The current size is a third to a half of the original size before compression.</p>
|
||
<p>Due to this, it does LOTS of things that subtly annoy compilers!</p>
|
||
<ul>
|
||
<li><p><code>(10)</code> data argument not used by format string</p>
|
||
<p>This occurs because some of the <code>fprintf(3)</code> invocations don’t use all their
|
||
parameters. The program should still work fine!</p></li>
|
||
<li><p><code>(1)</code> using the result of an assignment as a condition without parentheses</p>
|
||
<p>Somewhere, I needed to set a variable and then branch on the result. The
|
||
shortest way was to combine them. Some self-proclaimed “EXPERTS” think this
|
||
is a bad programming practice, but what do they know? :P</p></li>
|
||
<li><p><code>(1)</code> implicit declaration of function ‘time’ is invalid in C99</p>
|
||
<p>An <code>#include</code> statement is expensive, and I’m broke.</p></li>
|
||
<li><p><code>(1)</code> control may reach end of non-void function</p>
|
||
<p>Turns out that sometimes, a <code>return</code> statement is too much. This will never
|
||
actually occur, but some C compilers think they know more about my program
|
||
than I do! :P</p></li>
|
||
<li><p>(?) Under some systems, <code>-fPIC</code> is irrelevant for shared libraries. If so,
|
||
you should remove it from the Makefile.</p></li>
|
||
</ul>
|
||
<h2 id="obfuscation-what-obfuscation-this-is-a-perfectly-normal-c-program">OBFUSCATION? WHAT OBFUSCATION? THIS IS A PERFECTLY NORMAL C PROGRAM!</h2>
|
||
<h1 id="the-cool-part">THE COOL PART</h1>
|
||
<p>Take a close look at how it works. Notice that it’s passing C code to certain
|
||
macros…</p>
|
||
<p>Guess what? It’s a very simple kind of JIT compiler, though not used as deeply
|
||
as would be cool.</p>
|
||
<p>Essentially, it generates C code at runtime, dumps it to a file, and then runs
|
||
a C compiler on that file, telling the C compiler to generate a shared library.
|
||
Then it loads the shared library with <code>dlopen(3)</code>, and…</p>
|
||
<p>Ignores the result?</p>
|
||
<p>That can’t be right.</p>
|
||
<p>Well, it is. Instead of using <code>dlsym(3)</code> like a normal programmer, I mark one of the
|
||
generated functions with <code>__attribute__((constructor))</code>. This means that it
|
||
gets called immediately on load, so it can make its functions available.</p>
|
||
<p>But wait - how can it link into the main program, either? It has no way to
|
||
reference anything in the main executable!</p>
|
||
<p>But it does: I’m injecting certain addresses into the generated code, which it
|
||
then casts to pointers and accesses! It uses this to make certain functions
|
||
available to the main program, so the main program’s generated code will then
|
||
enter itself where it’s needed.</p>
|
||
<h1 id="the-not-so-cool-part">THE NOT-SO-COOL PART</h1>
|
||
<p>There are also lots of <code>#defines</code>.</p>
|
||
<p>No, these are not obfuscation. These are compression.</p>
|
||
<p>There is a little bit of obfuscation gained from using the stringification
|
||
operator. (I can never remember what it’s actually called, but it’s the <code>#</code>
|
||
operator in a preprocessor macro) - this allows me to pass C code in arguments
|
||
to the macros, meaning that it gets interpreted as C code instead of a string
|
||
by the <a href="https://github.com/ioccc-src/winner/blob/master/2014/iocccsize.c">iocccsize</a> tool, so it gets counted as smaller! :D</p>
|
||
<h1 id="a-slightly-cool-part">A SLIGHTLY COOL PART</h1>
|
||
<p>As part of the JIT compiling, the program hides the fact that it needs ncurses:
|
||
it just links ncurses with one of the generated shared libraries, and then can
|
||
access the contents of the ncurses library!</p>
|
||
<h1 id="wait-what">WAIT WHAT</h1>
|
||
<p>Also, note where functions start and end…</p>
|
||
<p>I’ve messed with the syntax so that it’s not actually formatted properly. It
|
||
almost looks like it is, but it isn’t.</p>
|
||
<p>This isn’t significant obfuscation as long as you run it through a C source
|
||
code beautifier.</p>
|
||
<p>But wait… if you aren’t careful, running it through a C source code
|
||
beautifier won’t work. Remember how I’m interlacing generated C code with
|
||
actual C code? Note that this WRECKS some beautifiers. I hope you have a good
|
||
one!</p>
|
||
<p>(There’s an obvious way around this but I’m not going to spell it out for you.
|
||
That’d be too easy!)</p>
|
||
<h3 id="miscellaneous-stuff">MISCELLANEOUS STUFF</h3>
|
||
<p>Do note that there are some other miscellaneous obfuscations, but they should
|
||
be easy to understand once you figure out the ones above.</p>
|
||
<h3 id="troubleshooting-guide">TROUBLESHOOTING GUIDE</h3>
|
||
<p>This program is a very easy program to cause to fail!</p>
|
||
<p>Some things to check</p>
|
||
<ul>
|
||
<li><p>On line 16, where it says <code>%cinclude "prog.c"</code>, is <code>prog.c</code> the name of the
|
||
original source code file?</p></li>
|
||
<li><p>Do you have ncurses installed?</p></li>
|
||
<li><p>Does your system have <code>ncurses.h</code> (like a nice system) or
|
||
<code>ncurses/ncurses.h</code> (like a rude system) ?</p>
|
||
<p>If it’s the latter (or some other path), you’ll need to update line 97.</p>
|
||
<p>(I had to do this under Cygwin.)</p></li>
|
||
<li><p>Does your system need <code>-fPIC</code> (or other arcane invocations) to compile a
|
||
shared library? If so, make sure that you include it in the <code>-DCC</code> argument in
|
||
the build script.</p></li>
|
||
<li><p>Does your system have a vague dislike for <code>-fPIC</code>? (Like Cygwin.) You might
|
||
need to remove it from the build script.</p></li>
|
||
<li><p>Does your system support <code>__attribute__((constructor))</code>? It needs to.</p></li>
|
||
<li><p>Check the file <code>err</code>. Maybe it will help you figure out why a runtime-
|
||
generated program failed. The failing program should be found in <code>t.c</code>.</p></li>
|
||
<li><p>Can’t run a beautifier on the source code? I’m not going to help you there.</p></li>
|
||
</ul>
|
||
<p>I’ve tested it on the following platforms, in case you need to try it on one:</p>
|
||
<ul>
|
||
<li>64-bit Windows 7 32-bit Cygwin with gcc 4.8.2 and standards c89, c90, c99,
|
||
and c11. Note that the program ran as 32-bit due to the version of cygwin.</li>
|
||
<li>64-bit Arch Linux with gcc 4.9.1 and standards c89, c90, c99, c11.</li>
|
||
<li>64-bit Arch Linux with clang 3.5.0 and standards c89 and c11.</li>
|
||
</ul>
|
||
<p>I ran out of time to test it on more systems.</p>
|
||
<h3 id="qa">Q&A</h3>
|
||
<ul>
|
||
<li><p>Who am I?</p>
|
||
<p>Yes.</p></li>
|
||
<li><p>Why doesn’t your program require a pet fish license?</p>
|
||
<p>THE LEMONLORD’s pet LEMONFISH was not rendered in the game, and so does not
|
||
require a pet fish license.</p></li>
|
||
<li><p>Was this inspired by anything?</p>
|
||
<p>Yes, this was inspired by a minigame from an open-source codebase of Space
|
||
Station 13. I didn’t, however, look at the minigame at all during the
|
||
development of this entry.</p></li>
|
||
<li><p>What’s the length of this README file according to the
|
||
<a href="https://github.com/ioccc-src/winner/blob/master/2014/iocccsize.c">iocccsize</a> tool?</p></li>
|
||
</ul>
|
||
<pre><code> $ ./iocccsize -i < README.md
|
||
6057</code></pre>
|
||
<!--
|
||
|
||
Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
|
||
|
||
You are free to share and adapt this file under the terms of this license:
|
||
|
||
Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
|
||
|
||
For more information, see:
|
||
|
||
https://creativecommons.org/licenses/by-sa/4.0/
|
||
|
||
-->
|
||
<!-- AFTER: last line of markdown file: 2014/skeggs/README.md -->
|
||
|
||
<!-- END: this line ends content for HTML phase 21 by: bin/pandoc-wrapper.sh via bin/md2html.sh -->
|
||
<!-- START: this line starts content for HTML phase 22 by: bin/output-index-inventory.sh via bin/md2html.sh -->
|
||
|
||
<!-- START: this line starts content generated by: bin/output-index-inventory.sh -->
|
||
|
||
<div id="inventory">
|
||
<h1 id="inventory-for-2014skeggs">Inventory for 2014/skeggs</h1>
|
||
</div>
|
||
<h2 id="primary-files">Primary files</h2>
|
||
<ul>
|
||
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/skeggs/prog.c">prog.c</a> - entry source code</li>
|
||
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/skeggs/Makefile">Makefile</a> - entry Makefile</li>
|
||
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/skeggs/prog.orig.c">prog.orig.c</a> - original source code</li>
|
||
</ul>
|
||
<h2 id="secondary-files">Secondary files</h2>
|
||
<ul>
|
||
<li><a href="2014_skeggs.tar.bz2">2014_skeggs.tar.bz2</a> - download entry tarball</li>
|
||
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/skeggs/README.md">README.md</a> - markdown source for this web page</li>
|
||
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/skeggs/.entry.json">.entry.json</a> - entry summary and manifest in JSON</li>
|
||
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/skeggs/.gitignore">.gitignore</a> - list of files that should not be committed under git</li>
|
||
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/skeggs/.path">.path</a> - directory path from top level directory</li>
|
||
<li><a href="index.html">index.html</a> - this web page</li>
|
||
</ul>
|
||
<hr style="width:10%;text-align:left;margin-left:0">
|
||
<h4>
|
||
Jump to: <a href="#">top</a>
|
||
</h4>
|
||
|
||
<!-- END: next line ends content generated by: bin/output-index-inventory.sh -->
|
||
|
||
<!-- END: this line ends content for HTML phase 22 by: bin/output-index-inventory.sh via bin/md2html.sh -->
|
||
<!-- START: this line starts content from: inc/after-content.default.html -->
|
||
|
||
</div>
|
||
|
||
<!-- END: this line ends content from: inc/after-content.default.html -->
|
||
<!-- START: this line starts content from: inc/footer.inventory.html -->
|
||
|
||
<!--
|
||
|
||
Copyright © 1984-2025 by Landon Curt Noll. All Rights Reserved.
|
||
|
||
You are free to share and adapt this file under the terms of this license:
|
||
|
||
Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
|
||
|
||
For more information, see:
|
||
|
||
https://creativecommons.org/licenses/by-sa/4.0/
|
||
|
||
-->
|
||
|
||
<div class="footer">
|
||
|
||
<div id="copyright"><h3>Copyright © 1984-2025 by Landon Curt Noll:
|
||
<a href="https://creativecommons.org/faq/#what-does-some-rights-reserved-mean"
|
||
target="_blank"
|
||
rel="license noopener noreferrer">Some Rights Reserved</a></h3>
|
||
<p>
|
||
This work is <b>licensed by Landon Curt Noll</b> under
|
||
<b><a href="https://creativecommons.org/licenses/by-sa/4.0/?ref=chooser-v1"
|
||
target="_blank"
|
||
rel="license noopener noreferrer"
|
||
style="display:inline-block;">CC BY-SA 4.0</a></b>.
|
||
<img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;"
|
||
src="../../png/cc.png"
|
||
alt="cc inside circle symbol">
|
||
<img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;"
|
||
src="../../png/by.png"
|
||
alt="person inside circle symbol">
|
||
<img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;"
|
||
src="../../png/sa.png"
|
||
alt="arrow looping back on itself inside circle symbol"><br>
|
||
You should <b>carefully review</b> the
|
||
<b><a href="https://creativecommons.org/licenses/by-sa/4.0/legalcode.en"
|
||
target="_blank"
|
||
rel="license noopener noreferrer">CC BY-SA 4.0 LEGAL CODE</a></b>
|
||
before using the licensed material.<br>
|
||
You may wish to review the
|
||
<b><a href="../../license.html"
|
||
target="_blank"
|
||
rel="license noopener noreferrer">highlights of some of the key features and terms</a></b>
|
||
of <b>CC BY-SA 4.0</b>.<br>
|
||
</p>
|
||
</div>
|
||
|
||
<div id="coda"><h3>Coda</h3>
|
||
<p>
|
||
<a href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2014%2Fskeggs%2Findex.html" rel="nofollow">Nu HTML check this web page</a><br>
|
||
<a href="#top">Jump to top</a> <a href="#content">Jump to Content</a> <a href="#inventory">Jump to Inventory</a><br>
|
||
</p>
|
||
</div>
|
||
|
||
</div>
|
||
|
||
<!-- END: this line ends content from: inc/footer.inventory.html -->
|
||
<!-- START: this line starts content from: inc/bottom.default.html -->
|
||
|
||
</body>
|
||
</html>
|
||
|
||
<!-- END: this line ends content from: inc/bottom.default.html -->
|