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Fixes in entries of 1994

Browse Source 
The manifest was updated for 1994/tvr. Rebuilt .entry.json and
index.html.

Bug status changed in 1994/tvr as well. The judges noted that it has an
incorrect result in some cases but the author actually noted this as a
feature so it should not be fixed. Other fixes/updates were made in the
bugs file as well.

A number of other entries of 1994 had minor fixes (formatting, links and
similar things).
This commit is contained in:
Cody Boone Ferguson committed 2024-07-24 12:03:57 -07:00
1 parent caf1f6c836
commit 9fdeaf1098
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1994/imc/README.md
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@@ -8,10 +8,10 @@
## To use:
``` <!---sh-->
./imc [NUMBER]
./imc number
```
where `[NUMBER]` is an optional number. Default is 5.
where `number` is an optional number. Default is 5.
## Try:
@@ -69,9 +69,9 @@ useful the exclusive-or operator was while writing function `s()`.
Here are the descriptions of the functions in the library:
> o(n,a,q,d): makes a magic square of order n when n is odd and at least 3.<br>
> s(n,a,q,d): makes a magic square of order n when n equals 4.<br>
> e(n,a,q,d): makes a magic square of order n when n is even and at least 6.
> `o(n,a,q,d)`: makes a magic square of order `n` when `n` is odd and at least 3.<br>
> `s(n,a,q,d)`: makes a magic square of order `n` when `n` equals 4.<br>
> `e(n,a,q,d)`: makes a magic square of order `n` when `n` is even and at least 6.
In the above, `a` (of type `int *`) points to an area of memory in which
the magic square will be stored and `q` (also of type `int *`) points to
1994/imc/index.html
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@@ -410,8 +410,8 @@ Location: <a href="../../location.html#GB">GB</a> - <em>United Kingdom of Great
<h2 id="to-build">To build:</h2>
<pre><code> make all</code></pre>
<h2 id="to-use">To use:</h2>
<pre><code> ./imc [NUMBER]</code></pre>
<p>where <code>[NUMBER]</code> is an optional number. Default is 5.</p>
<pre><code> ./imc number</code></pre>
<p>where <code>number</code> is an optional number. Default is 5.</p>
<h2 id="try">Try:</h2>
<pre><code> ./try.sh</code></pre>
<h2 id="judges-remarks">Judges’ remarks:</h2>
@@ -447,9 +447,9 @@ in obfuscated code! :-) Incidentally, I was surprised to find out how
useful the exclusive-or operator was while writing function <code>s()</code>.</p>
<p>Here are the descriptions of the functions in the library:</p>
<blockquote>
<p>o(n,a,q,d): makes a magic square of order n when n is odd and at least 3.<br>
s(n,a,q,d): makes a magic square of order n when n equals 4.<br>
e(n,a,q,d): makes a magic square of order n when n is even and at least 6.</p>
<p><code>o(n,a,q,d)</code>: makes a magic square of order <code>n</code> when <code>n</code> is odd and at least 3.<br>
<code>s(n,a,q,d)</code>: makes a magic square of order <code>n</code> when <code>n</code> equals 4.<br>
<code>e(n,a,q,d)</code>: makes a magic square of order <code>n</code> when <code>n</code> is even and at least 6.</p>
</blockquote>
<p>In the above, <code>a</code> (of type <code>int *</code>) points to an area of memory in which
the magic square will be stored and <code>q</code> (also of type <code>int *</code>) points to
1994/schnitzi/README.md
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@@ -5,8 +5,8 @@
```
There are two alternate versions, one that has an increased buffer size and one
that uses `fgets()`; neither are completely functional.
See below section bugs and (mis)features for details and the [alternate
that uses `fgets()`; neither are completely functional. See below section [Bugs
and (mis)features](#bugs-and-misfeatures) for details and the [Alternate
code](#alternate-code) section for how to use.
@@ -35,14 +35,19 @@ For more detailed information see [1994/schnitzi in bugs.html](../../bugs.html#1
## Alternate code:
These alternate versions are for those who wish to help with getting the entry
to use `fgets(3)`. See the
FAQ on "[gets and fgets](../../faq.html#gets)"
for why this is desired.
The first version, `schnitzi.alt.c`, uses `fgets(3)` but when fed its own code
it will generate code that still uses `gets(3)`. What's more is it will not
compile. Other functionality works fine.
it will generate code that still uses `gets(3)`. What's more that code will not
compile. Other functionality of the alt version works fine.
The second version, `schnitzi.alt2.c`, has an increased buffer size but when fed
its own source code it will generate code that can compile but with the original
buffer size. This is due to a comment which is explained in more detail in
[1994/schnitzi in bugs.html](../../bugs.html#1994_schnitzi).
its own source code it will generate code that, although it can compile but, it
has the original buffer size. This is due to a comment which is explained in
more detail in [1994/schnitzi in bugs.html](../../bugs.html#1994_schnitzi).
### Alternate build:
1994/schnitzi/index.html
+11 -7
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@@ -410,8 +410,8 @@ Location: <a href="../../location.html#US">US</a> - <em>United States of America
<h2 id="to-build">To build:</h2>
<pre><code> make all</code></pre>
<p>There are two alternate versions, one that has an increased buffer size and one
that uses <code>fgets()</code>; neither are completely functional.
See below section bugs and (mis)features for details and the <a href="#alternate-code">alternate
that uses <code>fgets()</code>; neither are completely functional. See below section <a href="#bugs-and-misfeatures">Bugs
and (mis)features</a> for details and the <a href="#alternate-code">Alternate
code</a> section for how to use.</p>
<h3 id="bugs-and-misfeatures">Bugs and (Mis)features:</h3>
<p>The current status of this entry is:</p>
@@ -424,13 +424,17 @@ code</a> section for how to use.</p>
<h2 id="try">Try:</h2>
<pre><code> ./try.sh</code></pre>
<h2 id="alternate-code">Alternate code:</h2>
<p>These alternate versions are for those who wish to help with getting the entry
to use <code>fgets(3)</code>. See the
FAQ on “<a href="../../faq.html#gets">gets and fgets</a>”
for why this is desired.</p>
<p>The first version, <code>schnitzi.alt.c</code>, uses <code>fgets(3)</code> but when fed its own code
it will generate code that still uses <code>gets(3)</code>. What’s more is it will not
compile. Other functionality works fine.</p>
it will generate code that still uses <code>gets(3)</code>. What’s more that code will not
compile. Other functionality of the alt version works fine.</p>
<p>The second version, <code>schnitzi.alt2.c</code>, has an increased buffer size but when fed
its own source code it will generate code that can compile but with the original
buffer size. This is due to a comment which is explained in more detail in
<a href="../../bugs.html#1994_schnitzi">1994/schnitzi in bugs.html</a>.</p>
its own source code it will generate code that, although it can compile but, it
has the original buffer size. This is due to a comment which is explained in
more detail in <a href="../../bugs.html#1994_schnitzi">1994/schnitzi in bugs.html</a>.</p>
<h3 id="alternate-build">Alternate build:</h3>
<pre><code> make alt</code></pre>
<h3 id="alternate-use">Alternate use:</h3>
1994/shapiro/README.md
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@@ -9,8 +9,8 @@
The current status of this entry is:
> **STATUS: missing file - please provide it**<br>
> **STATUS: INABIAF - please DO NOT fix**
> **STATUS: INABIAF - please DO NOT fix**<br>
> **STATUS: missing file - please provide it**
For more detailed information see [1994/shapiro in bugs.html](../../bugs.html#1994_shapiro).
@@ -48,10 +48,11 @@ source file is self documenting. :-)
From time to time, run `ps(1)` and look at the new processes.
See [shapiro.html](shapiro.html) for more information in the internals of this program.
The file `shapiro.alt.c` contains a non-obfuscated version of
this program. Note that this alt file is currently missing. See
[1994/shapiro in bugs.html](../../bugs.html#1994_shapiro) for details.
If you want more information on the internals of this program, see
[shapiro.html](shapiro.html).
The missing file `shapiro.alt.c` is an unobfuscated version of this program. See
[1994/shapiro in bugs.html](../../bugs.html#1994_shapiro).
## Author's remarks:
@@ -59,10 +60,15 @@ this program. Note that this alt file is currently missing. See
The basic theme (pun) of this program is:
```
"This time (everything) is not where it should be."
~~~~
```
> "This **time** (everything) is not where it should be."
### NOTICE to those who wish for a greater challenge:
**If you want a greater challenge, don't read any further**:
just try to understand the program via the source.
If you get stuck, come back and read below for additional hints and information.
My entry, [shapiro.c](%%REPO_URL%%/1994/shapiro/shapiro.c), is mostly comments, formatted in the shape of a
1994/shapiro/index.html
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@@ -412,8 +412,8 @@ Location: <a href="../../location.html#US">US</a> - <em>United States of America
<h3 id="bugs-and-misfeatures">Bugs and (Mis)features:</h3>
<p>The current status of this entry is:</p>
<blockquote>
<p><strong>STATUS: missing file - please provide it</strong><br>
<strong>STATUS: INABIAF - please DO NOT fix</strong></p>
<p><strong>STATUS: INABIAF - please DO NOT fix</strong><br>
<strong>STATUS: missing file - please provide it</strong></p>
</blockquote>
<p>For more detailed information see <a href="../../bugs.html#1994_shapiro">1994/shapiro in bugs.html</a>.</p>
<h2 id="to-use">To use:</h2>
@@ -434,14 +434,19 @@ bring it back to the foreground.</p>
<p>This entry has many different levels of obfuscation, and yet the
source file is self documenting. :-)</p>
<p>From time to time, run <code>ps(1)</code> and look at the new processes.</p>
<p>See <a href="shapiro.html">shapiro.html</a> for more information in the internals of this program.
The file <code>shapiro.alt.c</code> contains a non-obfuscated version of
this program. Note that this alt file is currently missing. See
<a href="../../bugs.html#1994_shapiro">1994/shapiro in bugs.html</a> for details.</p>
<p>If you want more information on the internals of this program, see
<a href="shapiro.html">shapiro.html</a>.</p>
<p>The missing file <code>shapiro.alt.c</code> is an unobfuscated version of this program. See
<a href="../../bugs.html#1994_shapiro">1994/shapiro in bugs.html</a>.</p>
<h2 id="authors-remarks">Author’s remarks:</h2>
<p>The basic theme (pun) of this program is:</p>
<pre><code> &quot;This time (everything) is not where it should be.&quot;
~~~~</code></pre>
<blockquote>
<p>“This <strong>time</strong> (everything) is not where it should be.”</p>
</blockquote>
<h3 id="notice-to-those-who-wish-for-a-greater-challenge">NOTICE to those who wish for a greater challenge:</h3>
<p><strong>If you want a greater challenge, don’t read any further</strong>:
just try to understand the program via the source.</p>
<p>If you get stuck, come back and read below for additional hints and information.</p>
<p>My entry, <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/shapiro/shapiro.c">shapiro.c</a>, is mostly comments, formatted in the shape of a
clock. If you strip out the comments and look at the code you will
quickly realize that the comments were the important part and that
1994/tvr/.entry.json
+1 -1
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@@ -31,7 +31,7 @@
"OK_to_edit" : true,
"display_as" : "c",
"display_via_github" : true,
"entry_text" : "alternate source code"
"entry_text" : "less obfuscated source code"
},
{
"file_path" : "tvr.orig.c",
1994/tvr/README.md
+4 -4
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@@ -16,7 +16,7 @@ code](#alternate-code) below.
The current status of this entry is:
> **STATUS: known bug - please help us fix**
> **STATUS: INABIAF - please DO NOT fix**
For more detailed information see [1994/tvr in bugs.html](../../bugs.html#1994_tvr).
@@ -47,11 +47,11 @@ just try to understand the program without looking at the Alternate code.
If you get stuck, come back and look at the Alternate code.
The author provided us a less obfuscated version that might be of interest to some.
### Alternate build:
The author provided us a less obfuscated version that might be of interest to some.
``` <!---sh-->
make alt
```
@@ -152,7 +152,7 @@ and may confuse paging algorithms easily). This means that for 512x512 windows
you will need 4M of memory.
### `colormapfile`
#### colormapfile
This is the file from which program reads colors for screen `colormap`. The
first line of the file must be a number between `3..254`. This informs the
1994/tvr/index.html
+4 -4
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@@ -417,7 +417,7 @@ code</a> below.</p>
<h3 id="bugs-and-misfeatures">Bugs and (Mis)features:</h3>
<p>The current status of this entry is:</p>
<blockquote>
<p><strong>STATUS: known bug - please help us fix</strong></p>
<p><strong>STATUS: INABIAF - please DO NOT fix</strong></p>
</blockquote>
<p>For more detailed information see <a href="../../bugs.html#1994_tvr">1994/tvr in bugs.html</a>.</p>
<h2 id="to-use">To use:</h2>
@@ -431,8 +431,8 @@ code</a> below.</p>
<p><strong>If you want a greater challenge, don’t read any further</strong>:
just try to understand the program without looking at the Alternate code.</p>
<p>If you get stuck, come back and look at the Alternate code.</p>
<h3 id="alternate-build">Alternate build:</h3>
<p>The author provided us a less obfuscated version that might be of interest to some.</p>
<h3 id="alternate-build">Alternate build:</h3>
<pre><code> make alt</code></pre>
<h3 id="alternate-use">Alternate use:</h3>
<pre><code> ./tvr.alt altmode screensize/2 &lt; colormapfile</code></pre>
@@ -497,7 +497,7 @@ parameter as shown above.</p>
main memory or the machine will swap heavily (memory references are quite random
and may confuse paging algorithms easily). This means that for 512x512 windows
you will need 4M of memory.</p>
<h3 id="colormapfile"><code>colormapfile</code></h3>
<h4 id="colormapfile">colormapfile</h4>
<p>This is the file from which program reads colors for screen <code>colormap</code>. The
first line of the file must be a number between <code>3..254</code>. This informs the
program how many colors there are to be expected. This is also the maximum
@@ -600,7 +600,7 @@ mono).</li>
<ul>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/tvr.c">tvr.c</a> - entry source code</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/Makefile">Makefile</a> - entry Makefile</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/tvr.alt.c">tvr.alt.c</a> - alternate source code</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/tvr.alt.c">tvr.alt.c</a> - less obfuscated source code</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/tvr.orig.c">tvr.orig.c</a> - original source code</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/try.alt.bw.sh">try.alt.bw.sh</a> - script to try alternate code in black and white mode</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/try.alt.color.sh">try.alt.color.sh</a> - script to try alternate code in colour mode</li>
1994/weisberg/README.md
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@@ -4,8 +4,8 @@
make all
```
There is an alternate version that uses more memory. See [alternate
code](#alternate-code) below for more details.
There is an alternate build (same code, alternate build) that uses more memory.
See [Alternate code](#alternate-code) below for more details.
## To use:
@@ -27,15 +27,16 @@ If you have `primes(1)` installed you might also wish to try:
./primes.sh number
```
where `number` is a positive number, defaulting to 15. The [try.sh](%%REPO_URL%%/1994/weisberg/try.sh)
script will also do this.
where `number` is a positive number, defaulting to 15. The
[try.sh](%%REPO_URL%%/1994/weisberg/try.sh) script will also `try` :-) and do
this.
## Alternate code:
If you liked what you saw from the above program, and happen to
have some 512 Megabytes of virtual memory lying around with to do
something with you might try this version.
have some 512 megabytes of virtual memory lying around with to do
something with you might try this build.
### Alternate build:
@@ -77,7 +78,7 @@ event of a system shutdown or reboot.
### Bugs
The alternative version ([weisberg.c](%%REPO_URL%%/1994/weisberg/weisberg.c)
The alternative build ([weisberg.c](%%REPO_URL%%/1994/weisberg/weisberg.c)
compiled to `weisberg.alt`) has never actually run
to completion. After running for close to a week it had reached somewhere around
250e6, when it became necessary to test the reboot feature (which worked
1994/weisberg/index.html
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@@ -409,20 +409,21 @@ Location: <a href="../../location.html#US">US</a> - <em>United States of America
<!-- BEFORE: 1st line of markdown file: 1994/weisberg/README.md -->
<h2 id="to-build">To build:</h2>
<pre><code> make all</code></pre>
<p>There is an alternate version that uses more memory. See <a href="#alternate-code">alternate
code</a> below for more details.</p>
<p>There is an alternate build (same code, alternate build) that uses more memory.
See <a href="#alternate-code">Alternate code</a> below for more details.</p>
<h2 id="to-use">To use:</h2>
<pre><code> ./weisberg</code></pre>
<h2 id="try">Try:</h2>
<pre><code> ./try.sh</code></pre>
<p>If you have <code>primes(1)</code> installed you might also wish to try:</p>
<pre><code> ./primes.sh number</code></pre>
<p>where <code>number</code> is a positive number, defaulting to 15. The <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/weisberg/try.sh">try.sh</a>
script will also do this.</p>
<p>where <code>number</code> is a positive number, defaulting to 15. The
<a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/weisberg/try.sh">try.sh</a> script will also <code>try</code> :-) and do
this.</p>
<h2 id="alternate-code">Alternate code:</h2>
<p>If you liked what you saw from the above program, and happen to
have some 512 Megabytes of virtual memory lying around with to do
something with you might try this version.</p>
have some 512 megabytes of virtual memory lying around with to do
something with you might try this build.</p>
<h3 id="alternate-build">Alternate build:</h3>
<pre><code> make alt</code></pre>
<h3 id="alternate-use">Alternate use:</h3>
@@ -443,7 +444,7 @@ run to completion, so as an added feature, it will cease execution upon
reception of a signal (any will do equally well), as well as in the
event of a system shutdown or reboot.</p>
<h3 id="bugs">Bugs</h3>
<p>The alternative version (<a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/weisberg/weisberg.c">weisberg.c</a>
<p>The alternative build (<a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/weisberg/weisberg.c">weisberg.c</a>
compiled to <code>weisberg.alt</code>) has never actually run
to completion. After running for close to a week it had reached somewhere around
250e6, when it became necessary to test the reboot feature (which worked
bugs.html
+117 -114
View File
@@ -1362,15 +1362,19 @@ there.</p>
<h3 id="source-code-1994ldbldb.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/ldb/ldb.c">1994/ldb/ldb.c</a></h3>
<h3 id="information-1994ldbindex.html">Information: <a href="1994/ldb/index.html">1994/ldb/index.html</a></h3>
<p><a href="authors.html#Cody_Boone_Ferguson">Cody Boone Ferguson</a> fixed this to compile
with modern systems but the entry also used <code>gets()</code> which in some systems would
with modern systems but the entry also used <code>gets(3)</code> which in some systems would
print out a warning along with the output of the program. Naturally it could
also overflow long lines. Cody changed it to <code>fgets()</code> to prevent the display
problem but this introduces another problem namely that newlines can be printed
if the line length &lt; 231.</p>
also overflow long lines, of which there are many, though that is more
considered a feature, not a bug, as it was documented by the author.</p>
<p>Cody changed it to <code>fgets(3)</code> to prevent the display problem but this introduces
another problem namely that newlines can be printed if the line length &lt; 231.</p>
<p>This seems like a worthy compromise to not have messed up output and although it
would be ideal for it to never print a newline unless that’s the line itself it
might be tampering too much with the entry as it’s not a real problem and as a
one liner it’s already quite long.</p>
would be ideal for it to never print a newline (unless that’s the line itself)
it might be tampering too much with the entry to fix this problem, as it’s not a
real problem and as a one liner it’s already quite long.</p>
<p>See the
FAQ on “<a href="faq.html#gets">gets and fgets</a>”
for more information on the change to <code>fgets(3)</code>.</p>
<div id="1994_schnitzi">
<h2 id="schnitzi-1">1994/schnitzi</h2>
</div>
@@ -1391,16 +1395,15 @@ index.html file it might prove possible to get it to use <code>fgets(3)</code>.
writing this on 02 November 2023, only just noticed the author’s remarks and
will later on look at this if nobody takes up the challenge. More important work
like getting to a place that the next contest can run must be done first.</p>
<p><a href="authors.html#Cody_Boone_Ferguson">Cody Boone Ferguson</a> explains the magic of
how this entry works, which will be necessary if this entry is to be fixed,
below.</p>
<p>Cody explains the magic of how this entry works, which will be necessary if this
entry is to be fixed, below.</p>
<p>You might wish to run the command:</p>
<pre><code> make diff_orig_prog</code></pre>
<p>to see what had to change for the buffer size, when looking at the below.
Furthermore you will want to look at:</p>
<pre><code> diff schnitzi.alt.c schnitzi.alt2.c</code></pre>
<p>as the <code>fgets()</code> version can compile it just can’t generate compilable code (let
alone using <code>fgets()</code>) when fed itself (to reiterate, just changing the call to
<p>as the <code>fgets(3)</code> version can compile it just can’t generate compilable code (let
alone using <code>fgets(3)</code>) when fed itself (to reiterate, just changing the call to
<code>fgets(3)</code> does not mean it can compile and there’s a further problem in that
<code>fgets(3)</code> retains the newline whereas <code>gets(3)</code> does not). Nevertheless looking
at these commands will be of help to understand how it works.</p>
@@ -1413,11 +1416,12 @@ output, when changed to <code>fgets()</code> failed to compile and it also used
and these are the bugs here.</p>
<p>The buffer size, when using <code>gets()</code> is still the same but as noted above the
original code has had a buffer size increase.</p>
<p>The real problem is with formatting the code. Take a look at the interesting
comment as well as the <code>int r=0,x,y=0</code> at the top of the file. If you look at
each column go down that column you can see how it spells out the code! For
instance the first column looks like:</p>
<pre><code> i
<p>The real problem is with formatting the code. Take a look at the <code>#include &lt;stdio.h&gt;</code>, <code>int r=0,x,y=0</code> and the interesting comment below it, at the top of
the file.</p>
<p>If you look at each column and go down that column you can see how it spells out
the code! For instance the first column looks like:</p>
<pre><code> #
i
n
c
l
@@ -1436,7 +1440,6 @@ instance the first column looks like:</p>
&gt;</code></pre>
<p>If you join the lines you end up with:</p>
<pre><code> #include &lt;stdio.h&gt;</code></pre>
<p>(well, you get <code>include &lt;stdio.h&gt;</code> but it ends up as <code>#include &lt;stdio.h&gt;</code>.)</p>
<p>If you look at column 25 which is the end of the word ‘mh111’ and you go down to
the next row you’ll see a 0 and if you go one row down another 0. This is the
buffer size, 100, for <code>u</code>! The column to the left is the same for the <code>t</code>
@@ -1446,10 +1449,10 @@ provide the correct input in comments or possibly by rearranging some of the
code (this was actually required to make the generated code compile at all when
changing the buffer size, see below).</p>
<h3 id="important-points">Important points:</h3>
<p>Getting this entry to use <code>fgets()</code> is easy but the problem is you’re supposed
<p>Getting this entry to use <code>fgets(3)</code> is easy but the problem is you’re supposed
to be able to feed the source to the program and the output of that will be
compilable. It however will create compiler errors. So it’s not just changing
the code to get it to use fgets()! I (Cody) already did this before I noticed
the code to get it to use <code>fgets(3)</code>! I (Cody) already did this before I noticed
the other part which is why I rolled that part back. I did increase the buffer
size but that only works on the original source.</p>
<p>To say just how sensitive this entry is: even a space, lack of space or a
@@ -1466,32 +1469,31 @@ compiled!</p>
<h3 id="information-1994shapiroindex.html">Information: <a href="1994/shapiro/index.html">1994/shapiro/index.html</a></h3>
<p>This program will likely crash if the source code file (by the name of the file
that’s compiled) cannot be opened in the directory it is run from.</p>
<h3 id="status-missing-file---please-provide-it">STATUS: missing file - please provide it</h3>
<p><a href="authors.html#Cody_Boone_Ferguson">Cody Boone Ferguson</a> noted that the
index.html file refers to an alternative version of the code that is not
obfuscated but it is missing from the entry directory and the archive. Do you
have this file?</p>
<p>We would be grateful if you could provide it to us. If you can provide this
file you might consider removing this entry from this file as well but if not
we’ll take care of it.</p>
<h3 id="important-reminder-and-a-note-about-the--1-value-check-for-getc">Important reminder and a note about the <code>-1</code> value check for <code>getc()</code>:</h3>
<p><a href="authors.html#Cody_Boone_Ferguson">Cody Boone Ferguson</a> fixed the code to not
use <code>-1</code> for the return value of <code>getc()</code>; this is important because <code>EOF</code> is
<strong>NOT</strong> guaranteed to be <code>-1</code> but rather any negative value. On systems where
<code>EOF != -1</code> the program would enter an infinite loop until the program crashed,
by chance reads a <code>-1</code> or was killed (it is for this same reason that one should
not use <code>EOF</code> for the <code>getopt()</code> functions as they return <code>-1</code> when all options
are parsed (for details on the definition of <code>EOF</code> see <code>7.21 Input/output&lt;stdio.h&gt;</code> subsection 1 of the standard)).</p>
<p>Cody fixed the code to not use <code>-1</code> for the return value of <code>getc()</code>; this is
important because <code>EOF</code> is <strong>NOT</strong> guaranteed to be <code>-1</code> but rather any negative
value. On systems where <code>EOF != -1</code> the program would enter an infinite loop
until the program crashed, by chance reads a <code>-1</code> or was killed (it is for this
same reason that one should not use <code>EOF</code> for the <code>getopt()</code> functions as they
return <code>-1</code> when all options are parsed (for details on the definition of <code>EOF</code>
see <code>7.21 Input/output&lt;stdio.h&gt;</code> subsection 1 of the standard)).</p>
<p>An interesting problem occurred where changing the <code>-1</code> to <code>EOF</code> caused both
<code>warning: illegal character encoding in string literal</code> and <code>error: source file is not valid UTF-8</code>. But since <code>EOF</code> is simply an int &lt; 0 and making the loop
condition check that the return value is &gt;= 0 does not cause a compilation error
and it functions correctly it will address the systems where <code>EOF != -1</code> just as
if it checked for <code>!= EOF</code>.</p>
<p>Since it works there is no need to fix this except for a challenge to yourself.</p>
<h3 id="status-missing-file---please-provide-it">STATUS: missing file - please provide it</h3>
<p>The index.html file refers to an alternate version of the code that is not
obfuscated but it is missing from the entry directory and the archive. Do you
have this file?</p>
<p>We would be grateful if you could provide it to us. If you can provide this
file you might consider removing this status from this file as well but if not
we’ll take care of it.</p>
<div id="1994_tvr">
<h2 id="tvr">1994/tvr</h2>
</div>
<h3 id="status-known-bug---please-help-us-fix-5">STATUS: known bug - please help us fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-26">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-1994tvrtvr.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/tvr.c">1994/tvr/tvr.c</a></h3>
<h3 id="information-1994tvrindex.html">Information: <a href="1994/tvr/index.html">1994/tvr/index.html</a></h3>
<p>The judges said the following in their remarks:</p>
@@ -1500,8 +1502,9 @@ if it checked for <code>!= EOF</code>.</p>
Mandelbrot/Julian sets correctly. Can you find the bug? Better still, can you
fix it without breaking something else?</p>
</blockquote>
<p>You are welcome to try and fix it and open a pull request, providing that it
doesn’t break something else.</p>
<p>However, the author stated that this is a feature so this should not be fixed.
See also the other <a href="1994/tvr/index.html#bugs">bugs</a> the author mentioned that,
as documented, are considered features.</p>
<hr style="width:10%;text-align:left;margin-left:0">
<div id="1995">
<h1 id="section-11">1995</h1>
@@ -1510,7 +1513,7 @@ doesn’t break something else.</p>
<div id="1995_cdua">
<h2 id="cdua">1995/cdua</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-26">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-27">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-1995cduacdua.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/cdua/cdua.c">1995/cdua/cdua.c</a></h3>
<h3 id="information-1995cduaindex.html">Information: <a href="1995/cdua/index.html">1995/cdua/index.html</a></h3>
<p>This did not originally compile under macOS and after it did compile under
@@ -1524,7 +1527,7 @@ it calls <code>getchar()</code> via the pointer <code>m</code>. So this is a fea
<div id="1995_leo">
<h2 id="leo">1995/leo</h2>
</div>
<h3 id="status-known-bug---please-help-us-fix-6">STATUS: known bug - please help us fix</h3>
<h3 id="status-known-bug---please-help-us-fix-5">STATUS: known bug - please help us fix</h3>
<h3 id="source-code-1995leoleo.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/leo/leo.c">1995/leo/leo.c</a></h3>
<h3 id="information-1995leoindex.html">Information: <a href="1995/leo/index.html">1995/leo/index.html</a></h3>
<p>The judges suggested that the following commands should result in output:</p>
@@ -1542,7 +1545,7 @@ it would be good if it was fixed.</p>
<div id="1995_savastio">
<h2 id="savastio">1995/savastio</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-27">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-28">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-1995savastiosavastio.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/savastio/savastio.c">1995/savastio/savastio.c</a></h3>
<h3 id="information-1995savastioindex.html">Information: <a href="1995/savastio/index.html">1995/savastio/index.html</a></h3>
<p>This program expects a POSITIVE number. If you specify a negative number it will
@@ -1607,7 +1610,7 @@ almost be done except that some of the output of the
<div id="1996_jonth">
<h2 id="jonth">1996/jonth</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-28">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-29">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-1996jonthjonth.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/jonth/jonth.c">1996/jonth/jonth.c</a></h3>
<h3 id="information-1996jonthindex.html">Information: <a href="1996/jonth/index.html">1996/jonth/index.html</a></h3>
<p>If X is not running this program will very likely crash or do something funny.
@@ -1650,7 +1653,7 @@ to the page as well! You’ll have IOCCC fame for reviving a pootifier! :-)</p>
<div id="1998_schnitzi">
<h2 id="schnitzi-2">1998/schnitzi</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-29">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-30">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-1998schnitzischnitzi.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schnitzi/schnitzi.c">1998/schnitzi/schnitzi.c</a></h3>
<h3 id="information-1998schnitziindex.html">Information: <a href="1998/schnitzi/index.html">1998/schnitzi/index.html</a></h3>
<p>A point worth considering is that as the number passed into the program gets
@@ -1677,7 +1680,7 @@ is in the index.html file as something to try and ponder.</p>
<div id="2000_dlowe">
<h2 id="dlowe-1">2000/dlowe</h2>
</div>
<h3 id="status-known-bug---please-help-us-fix-7">STATUS: known bug - please help us fix</h3>
<h3 id="status-known-bug---please-help-us-fix-6">STATUS: known bug - please help us fix</h3>
<h3 id="source-code-2000dlowedlowe.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/dlowe/dlowe.c">2000/dlowe/dlowe.c</a></h3>
<h3 id="information-2000dloweindex.html">Information: <a href="2000/dlowe/index.html">2000/dlowe/index.html</a></h3>
<p>The author gives an example command:</p>
@@ -1807,7 +1810,7 @@ on the stack at that point:</p>
5</code></pre>
<p>which might (?) suggest that the <code>+</code> operator is unimplemented. Unfortunately it
has been many years since I have used perl and I was never a guru either.</p>
<h3 id="status-inabiaf---please-do-not-fix-30">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-31">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<p>The author states that in perl &lt; 5.6.0 there is a bug with a core dump in what
they said is in <code>Perl_sv_upgrade</code>. As this is documented it is not considered a
bug to be fixed. For the curious this will crash in macOS. Cody notes that the
@@ -1849,7 +1852,7 @@ of 92 warnings! Nonetheless neither works okay and both crash.</p>
<div id="2000_primenum">
<h2 id="primenum">2000/primenum</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-31">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-32">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2000primenumprimenum.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/primenum/primenum.c">2000/primenum/primenum.c</a></h3>
<h3 id="information-2000primenumindex.html">Information: <a href="2000/primenum/index.html">2000/primenum/index.html</a></h3>
<p>This program does not do what you might think it does! Running it like:</p>
@@ -1867,7 +1870,7 @@ make a pull request.</p>
<div id="2000_rince">
<h2 id="rince-1">2000/rince</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-32">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-33">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2000rincerince.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/rince/rince.c">2000/rince/rince.c</a></h3>
<h3 id="information-2000rinceindex.html">Information: <a href="2000/rince/index.html">2000/rince/index.html</a></h3>
<p>If <code>DISPLAY</code> is not set the program will very likely crash, do something strange
@@ -1881,7 +1884,7 @@ fire</a>! :-) ).</p>
<div id="2001_anonymous">
<h2 id="anonymous">2001/anonymous</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-33">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-34">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2001anonymousanonymous.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/anonymous/anonymous.c">2001/anonymous/anonymous.c</a></h3>
<h3 id="information-2001anonymousindex.html">Information: <a href="2001/anonymous/index.html">2001/anonymous/index.html</a></h3>
<p><a href="authors.html#Cody_Boone_Ferguson">Cody Boone Ferguson</a> fixed this so that it
@@ -1900,7 +1903,7 @@ elves of Imladris :-(</p>
<div id="2001_bellard">
<h2 id="bellard">2001/bellard</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-34">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-35">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-doesnt-work-with-some-platforms---please-help-us-fix-it">STATUS: doesn’t work with some platforms - please help us fix it</h3>
<h3 id="source-code-2001bellardbellard.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/bellard/bellard.c">2001/bellard/bellard.c</a></h3>
<h3 id="information-2001bellardindex.html">Information: <a href="2001/bellard/index.html">2001/bellard/index.html</a></h3>
@@ -1949,14 +1952,14 @@ before the fixes there.</p>
<div id="2001_cheong">
<h2 id="cheong">2001/cheong</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-35">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-36">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2001cheongcheong.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/cheong/cheong.c">2001/cheong/cheong.c</a></h3>
<h3 id="information-2001cheongindex.html">Information: <a href="2001/cheong/index.html">2001/cheong/index.html</a></h3>
<p>This program will crash without an arg.</p>
<div id="2001_dgbeards">
<h2 id="dgbeards">2001/dgbeards</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-36">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-37">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2001dgbeardsdgbeards.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/dgbeards/dgbeards.c">2001/dgbeards/dgbeards.c</a></h3>
<h3 id="information-2001dgbeardsindex.html">Information: <a href="2001/dgbeards/index.html">2001/dgbeards/index.html</a></h3>
<p>This program deliberately crashes if it loses (which is what it aims to do).</p>
@@ -1968,7 +1971,7 @@ before the fixes there.</p>
<h3 id="information-2001herrmann1index.html">Information: <a href="2001/herrmann1/index.html">2001/herrmann1/index.html</a></h3>
<p>The author referred to the file <code>herrmann1.turing</code> but it does not exist not even
in the archive. Do you have a copy? Please provide it!</p>
<h3 id="status-known-bug---please-help-us-fix-8">STATUS: known bug - please help us fix</h3>
<h3 id="status-known-bug---please-help-us-fix-7">STATUS: known bug - please help us fix</h3>
<p>There is also a bug in part. During compilation you’re supposed to see some
animation but this does not seem to work with modern gcc versions. It appears
that version 2.95 works but maybe others do as well. Do you have a fix? We would
@@ -1977,7 +1980,7 @@ appreciate your help!</p>
<div id="2001_kev">
<h2 id="kev">2001/kev</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-37">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-38">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2001kevkev.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/kev/kev.c">2001/kev/kev.c</a></h3>
<h3 id="information-2001kevindex.html">Information: <a href="2001/kev/index.html">2001/kev/index.html</a></h3>
<p>Sometimes when one player presses <code>q</code> it will result in broken pipe on the other
@@ -1995,7 +1998,7 @@ set. In other words both have to be ASCII or EBCDIC - not one of each.</p>
<div id="2001_ollinger">
<h2 id="ollinger">2001/ollinger</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-38">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-39">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2001ollingerollinger.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/ollinger/ollinger.c">2001/ollinger/ollinger.c</a></h3>
<h3 id="information-2001ollingerindex.html">Information: <a href="2001/ollinger/index.html">2001/ollinger/index.html</a></h3>
<p>This program will very likely crash or do something unexpected if you do not
@@ -2011,7 +2014,7 @@ wanted to install it as a tool but this is missing.</p>
<div id="2001_schweikh">
<h2 id="schweikh">2001/schweikh</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-39">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-40">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2001schweikhschweikh.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/schweikh/schweikh.c">2001/schweikh/schweikh.c</a></h3>
<h3 id="information-2001schweikhindex.html">Information: <a href="2001/schweikh/index.html">2001/schweikh/index.html</a></h3>
<p>The glob pattern must match the whole string. See the author’s comments for
@@ -2044,7 +2047,7 @@ it? Please provide it!</p>
<div id="2001_williams">
<h2 id="williams">2001/williams</h2>
</div>
<h3 id="status-known-bug---please-help-us-fix-9">STATUS: known bug - please help us fix</h3>
<h3 id="status-known-bug---please-help-us-fix-8">STATUS: known bug - please help us fix</h3>
<h3 id="source-code-2001williamswilliams.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/williams/williams.c">2001/williams/williams.c</a></h3>
<h3 id="information-2001williamsindex.html">Information: <a href="2001/williams/index.html">2001/williams/index.html</a></h3>
<p>There seem to be a couple bugs at least in this entry. The first one is that
@@ -2179,13 +2182,13 @@ compile under clang. The following patch was applied:</p>
gavin_files: boot.b lilo.conf prim gavin_install.txt</code></pre>
<p>The current (<a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/gavin/Makefile">Makefile</a> was modified to try and
fit into the current IOCCC build environment.</p>
<h3 id="status-inabiaf---please-do-not-fix-40">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-41">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<p>See <a href="2004/gavin/index.html#known-features">known features in the index.html</a> for
things that are not bugs but documented (mis)features.</p>
<div id="2004_jdalbec">
<h2 id="jdalbec">2004/jdalbec</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-41">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-42">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2004jdalbecjdalbec.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/jdalbec/jdalbec.c">2004/jdalbec/jdalbec.c</a></h3>
<h3 id="information-2004jdalbecindex.html">Information: <a href="2004/jdalbec/index.html">2004/jdalbec/index.html</a></h3>
<p>The author stated that:</p>
@@ -2210,7 +2213,7 @@ things that are not bugs but documented (mis)features.</p>
<div id="2004_sds">
<h2 id="sds">2004/sds</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-42">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-43">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2004sdssds.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/sds/sds.c">2004/sds/sds.c</a></h3>
<h3 id="information-2004sdsindex.html">Information: <a href="2004/sds/index.html">2004/sds/index.html</a></h3>
<p>The generated code will very likely segfault or do something not intended if not
@@ -2223,7 +2226,7 @@ given the right args. See the index.html file for the correct syntax.</p>
<div id="2005_anon">
<h2 id="anon">2005/anon</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-43">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-44">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2005anonanon.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/anon/anon.c">2005/anon/anon.c</a></h3>
<h3 id="information-2005anonindex.html">Information: <a href="2005/anon/index.html">2005/anon/index.html</a></h3>
<p>This program sometimes will create unsolvable puzzles :-) just to hook you.
@@ -2237,7 +2240,7 @@ dimensions. Try <code>100 100 100</code> for instance and see what happens!</p>
<div id="2005_giljade">
<h2 id="giljade">2005/giljade</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-44">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-45">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2005giljadegiljade.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/giljade/giljade.c">2005/giljade/giljade.c</a></h3>
<h3 id="information-2005giljadeindex.html">Information: <a href="2005/giljade/index.html">2005/giljade/index.html</a></h3>
<p>This entry will very likely segfault or do something strange if the source code
@@ -2246,7 +2249,7 @@ does not exist.</p>
<div id="2005_mikeash">
<h2 id="mikeash">2005/mikeash</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-45">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-46">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2005mikeashmikeash.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/mikeash/mikeash.c">2005/mikeash/mikeash.c</a></h3>
<h3 id="information-2005mikeashindex.html">Information: <a href="2005/mikeash/index.html">2005/mikeash/index.html</a></h3>
<p>The author states:</p>
@@ -2280,7 +2283,7 @@ for running itself.</p>
<div id="2005_mynx">
<h2 id="mynx">2005/mynx</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-46">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-47">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2005mynxmynx.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/mynx/mynx.c">2005/mynx/mynx.c</a></h3>
<h3 id="information-2005mynxindex.html">Information: <a href="2005/mynx/index.html">2005/mynx/index.html</a></h3>
<p><a href="authors.html#Cody_Boone_Ferguson">Cody Boone Ferguson</a> notes that, though
@@ -2294,7 +2297,7 @@ website</a> itself.</p>
<div id="2005_sykes">
<h2 id="sykes">2005/sykes</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-47">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-48">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2005sykessykes.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/sykes/sykes.c">2005/sykes/sykes.c</a></h3>
<h3 id="information-2005sykesindex.html">Information: <a href="2005/sykes/index.html">2005/sykes/index.html</a></h3>
<p>The author stated the below points of interest.</p>
@@ -2335,7 +2338,7 @@ with at least <code>computer.tofu</code> input file:</p>
<div id="2006_borsanyi">
<h2 id="borsanyi">2006/borsanyi</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-48">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-49">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2006borsanyiborsanyi.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/borsanyi/borsanyi.c">2006/borsanyi/borsanyi.c</a></h3>
<h3 id="information-2006borsanyiindex.html">Information: <a href="2006/borsanyi/index.html">2006/borsanyi/index.html</a></h3>
<p>The string specified must be &lt;= 42 characters and may only consist of the
@@ -2344,7 +2347,7 @@ with possibly corrupt GIF files.</p>
<div id="2006_hamre">
<h2 id="hamre">2006/hamre</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-49">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-50">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2006hamrehamre.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/hamre/hamre.c">2006/hamre/hamre.c</a></h3>
<h3 id="information-2006hamreindex.html">Information: <a href="2006/hamre/index.html">2006/hamre/index.html</a></h3>
<p>This program will likely crash or do something funny without an arg.</p>
@@ -2363,12 +2366,12 @@ but you are welcome to try and fix it.</p>
provide it as an additional alt version. Fixing this is very likely to be very
challenging and in some systems it will not be possible to fix but you are
welcome to try and fix it if you wish to!</p>
<h3 id="status-inabiaf---please-do-not-fix-50">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-51">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<p>Incorrect formulas will ungracefully crash the program.</p>
<div id="2006_stewart">
<h2 id="stewart">2006/stewart</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-51">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-52">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2006stewartstewart.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/stewart/stewart.c">2006/stewart/stewart.c</a></h3>
<h3 id="information-2006stewartindex.html">Information: <a href="2006/stewart/index.html">2006/stewart/index.html</a></h3>
<p>This program will likely crash or do something funny if the file cannot be
@@ -2376,7 +2379,7 @@ opened. The number of args is however checked.</p>
<div id="2006_sykes1">
<h2 id="sykes1">2006/sykes1</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-52">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-53">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2006sykes1sykes1.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/sykes1/sykes1.c">2006/sykes1/sykes1.c</a></h3>
<h3 id="information-2006sykes1index.html">Information: <a href="2006/sykes1/index.html">2006/sykes1/index.html</a></h3>
<p>The author stated:</p>
@@ -2393,7 +2396,7 @@ opened. The number of args is however checked.</p>
<div id="2006_toledo2">
<h2 id="toledo2">2006/toledo2</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-53">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-54">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2006toledo2toledo2.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo2/toledo2.c">2006/toledo2/toledo2.c</a></h3>
<h3 id="information-2006toledo2index.html">Information: <a href="2006/toledo2/index.html">2006/toledo2/index.html</a></h3>
<p><a href="authors.html#Cody_Boone_Ferguson">Cody Boone Ferguson</a> fixed this program to
@@ -2440,7 +2443,7 @@ case-sensitive.</p>
<div id="2011_borsanyi">
<h2 id="borsanyi-1">2011/borsanyi</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-54">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-55">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2011borsanyiborsanyi.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/borsanyi/borsanyi.c">2011/borsanyi/borsanyi.c</a></h3>
<h3 id="information-2011borsanyiindex.html">Information: <a href="2011/borsanyi/index.html">2011/borsanyi/index.html</a></h3>
<p>For a great amount of data points the program will crash, depending on your
@@ -2463,7 +2466,7 @@ bins at the edges.</p>
instead being something else entirely. The Internet Wayback Machine, although it
archived it, did not load scripts. Do you know if the domain was moved? Do you
have an archive or mirror? Please provide us it! Thank you.</p>
<h3 id="status-inabiaf---please-do-not-fix-55">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-56">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<p>The author states the following:</p>
<ul>
<li><p>Bad input (e.g. nonexistent files, non-numeric number of iterations, etc.)
@@ -2475,7 +2478,7 @@ tends to result in empty output.</p></li>
<div id="2011_fredriksson">
<h2 id="fredriksson">2011/fredriksson</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-56">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-57">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2011fredrikssonfredriksson.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/fredriksson/fredriksson.c">2011/fredriksson/fredriksson.c</a></h3>
<h3 id="information-2011fredrikssonindex.html">Information: <a href="2011/fredriksson/index.html">2011/fredriksson/index.html</a></h3>
<p>The author stated that there are a number of features and limitations. As the
@@ -2485,7 +2488,7 @@ remarks</a> instead.</p>
<div id="2011_konno">
<h2 id="konno">2011/konno</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-57">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-58">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2011konnokonno.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/konno/konno.c">2011/konno/konno.c</a></h3>
<h3 id="information-2011konnoindex.html">Information: <a href="2011/konno/index.html">2011/konno/index.html</a></h3>
<p>This program will very likely crash or do something funny without an arg.</p>
@@ -2654,7 +2657,7 @@ defined.</p>
<div id="2011_vik">
<h2 id="vik">2011/vik</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-58">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-59">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2011vikvik.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/vik/vik.c">2011/vik/vik.c</a></h3>
<h3 id="information-2011vikindex.html">Information: <a href="2011/vik/index.html">2011/vik/index.html</a></h3>
<p>The author stated that the program will crash if no argument is passed to the
@@ -2668,7 +2671,7 @@ fire</a> :-)</p>
<div id="2012_blakely">
<h2 id="blakely">2012/blakely</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-59">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-60">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2012blakelyblakely.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/blakely/blakely.c">2012/blakely/blakely.c</a></h3>
<h3 id="information-2012blakelyindex.html">Information: <a href="2012/blakely/index.html">2012/blakely/index.html</a></h3>
<p>The author stated:</p>
@@ -2677,7 +2680,7 @@ fire</a> :-)</p>
<div id="2012_deckmyn">
<h2 id="deckmyn">2012/deckmyn</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-60">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-61">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2012deckmyndeckmyn.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/deckmyn/deckmyn.c">2012/deckmyn/deckmyn.c</a></h3>
<h3 id="information-2012deckmynindex.html">Information: <a href="2012/deckmyn/index.html">2012/deckmyn/index.html</a></h3>
<p>The author stated:</p>
@@ -2710,7 +2713,7 @@ fire</a> :-)</p>
<div id="2012_dlowe">
<h2 id="dlowe-3">2012/dlowe</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-61">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-62">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2012dlowedlowe.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/dlowe/dlowe.c">2012/dlowe/dlowe.c</a></h3>
<h3 id="information-2012dloweindex.html">Information: <a href="2012/dlowe/index.html">2012/dlowe/index.html</a></h3>
<p>The author stated:</p>
@@ -2724,7 +2727,7 @@ doesn’t make it possible to lock drawing to the display refresh rate.)</li>
<div id="2012_tromp">
<h2 id="tromp">2012/tromp</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-62">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-63">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2012tromptromp.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/tromp/tromp.c">2012/tromp/tromp.c</a></h3>
<h3 id="information-2012trompindex.html">Information: <a href="2012/tromp/index.html">2012/tromp/index.html</a></h3>
<p>The author stated:</p>
@@ -2745,7 +2748,7 @@ doesn’t make it possible to lock drawing to the display refresh rate.)</li>
<div id="2012_vik">
<h2 id="vik-1">2012/vik</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-63">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-64">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2012vikvik.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/vik/vik.c">2012/vik/vik.c</a></h3>
<h3 id="information-2012vikindex.html">Information: <a href="2012/vik/index.html">2012/vik/index.html</a></h3>
<p>The author stated that the program will crash if no argument is passed to the
@@ -2761,7 +2764,7 @@ fire</a> :-)</p>
<div id="2013_cable2">
<h2 id="cable2">2013/cable2</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-64">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-65">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2013cable2cable2.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/cable2/cable2.c">2013/cable2/cable2.c</a></h3>
<h3 id="information-2013cable2index.html">Information: <a href="2013/cable2/index.html">2013/cable2/index.html</a></h3>
<p>The author stated:</p>
@@ -2781,7 +2784,7 @@ and endianness conversion would make the source too large for IOCCC rule 2).</li
<div id="2013_dlowe">
<h2 id="dlowe-4">2013/dlowe</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-65">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-66">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2013dlowedlowe.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/dlowe.c">2013/dlowe/dlowe.c</a></h3>
<h3 id="information-2013dloweindex.html">Information: <a href="2013/dlowe/index.html">2013/dlowe/index.html</a></h3>
<p>This program will possibly crash or draw something strange with 0 args. Then
@@ -2800,7 +2803,7 @@ used.</li>
<div id="2013_endoh1">
<h2 id="endoh1">2013/endoh1</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-66">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-67">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2013endoh1endoh1.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/endoh1/endoh1.c">2013/endoh1/endoh1.c</a></h3>
<h3 id="information-2013endoh1index.html">Information: <a href="2013/endoh1/index.html">2013/endoh1/index.html</a></h3>
<p>From the author:</p>
@@ -2816,7 +2819,7 @@ used.</li>
<div id="2013_endoh3">
<h2 id="endoh3">2013/endoh3</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-67">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-68">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2013endoh3endoh3.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/endoh3/endoh3.c">2013/endoh3/endoh3.c</a></h3>
<h3 id="information-2013endoh3index.html">Information: <a href="2013/endoh3/index.html">2013/endoh3/index.html</a></h3>
<p>From the author:</p>
@@ -2829,14 +2832,14 @@ such as <code>C2E2</code>.</p>
<div id="2013_endoh4">
<h2 id="endoh4">2013/endoh4</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-68">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-69">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2013endoh4endoh4.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/endoh4/endoh4.c">2013/endoh4/endoh4.c</a></h3>
<h3 id="information-2013endoh4index.html">Information: <a href="2013/endoh4/index.html">2013/endoh4/index.html</a></h3>
<p>Invalid input files will very likely crash the program.</p>
<div id="2013_hou">
<h2 id="hou">2013/hou</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-69">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-70">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2013houhou.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/hou/hou.c">2013/hou/hou.c</a></h3>
<h3 id="information-2013houindex.html">Information: <a href="2013/hou/index.html">2013/hou/index.html</a></h3>
<p>This program will not terminate on its own; you must kill <code>hou</code> (but not Qiming
@@ -2844,7 +2847,7 @@ Hou :-) ) yourself. This should not be fixed.</p>
<div id="2013_mills">
<h2 id="mills">2013/mills</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-70">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-71">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2013millsmills.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/mills/mills.c">2013/mills/mills.c</a></h3>
<h3 id="information-2013millsindex.html">Information: <a href="2013/mills/index.html">2013/mills/index.html</a></h3>
<p>The author reminds us that if you kill the program you will have to wait a short
@@ -2861,7 +2864,7 @@ it out as a known limitation it is not a bug but a feature.</p>
<div id="2014_maffiodo1">
<h2 id="maffiodo1">2014/maffiodo1</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-71">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-72">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2014maffiodo1prog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/maffiodo1/prog.c">2014/maffiodo1/prog.c</a></h3>
<h3 id="information-2014maffiodo1index.html">Information: <a href="2014/maffiodo1/index.html">2014/maffiodo1/index.html</a></h3>
<p>The author noted that in macOS the colours might be wrong. They gave a solution.
@@ -2885,14 +2888,14 @@ player become bigger, stay away from blocks!</p>
<div id="2014_maffiodo2">
<h2 id="maffiodo2">2014/maffiodo2</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-72">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-73">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2014maffiodo2prog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/maffiodo2/prog.c">2014/maffiodo2/prog.c</a></h3>
<h3 id="information-2014maffiodo2index.html">Information: <a href="2014/maffiodo2/index.html">2014/maffiodo2/index.html</a></h3>
<p>This program will very likely crash if no arg is given.</p>
<div id="2014_vik">
<h2 id="vik-2">2014/vik</h2>
</div>
<h3 id="status-known-bug---please-help-us-fix-10">STATUS: known bug - please help us fix</h3>
<h3 id="status-known-bug---please-help-us-fix-9">STATUS: known bug - please help us fix</h3>
<h3 id="source-code-2014vikprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/vik/prog.c">2014/vik/prog.c</a></h3>
<h3 id="information-2014vikindex.html">Information: <a href="2014/vik/index.html">2014/vik/index.html</a></h3>
<p><a href="authors.html#Cody_Boone_Ferguson">Cody Boone Ferguson</a> discovered a bug to do
@@ -2926,7 +2929,7 @@ rely on the entry as the below shows. One should be able to do:</p>
<div id="2015_hou">
<h2 id="hou-1">2015/hou</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-73">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-74">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2015houprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/hou/prog.c">2015/hou/prog.c</a></h3>
<h3 id="information-2015houindex.html">Information: <a href="2015/hou/index.html">2015/hou/index.html</a></h3>
<p>The author stated:</p>
@@ -2951,7 +2954,7 @@ result. Error messages become garbled, though.</p></li>
<div id="2015_howe">
<h2 id="howe">2015/howe</h2>
</div>
<h3 id="status-known-bug---please-help-us-fix-11">STATUS: known bug - please help us fix</h3>
<h3 id="status-known-bug---please-help-us-fix-10">STATUS: known bug - please help us fix</h3>
<p>The test scripts do not seem to work properly with bash but this would be ideal
as not all systems have a compatible shell (they assume a POSIX compliant
shell). One, with bash, might see:</p>
@@ -2970,7 +2973,7 @@ because it is the same thing as the other, just updated to use <code>prog.alt</c
<div id="2015_mills2">
<h2 id="mills2">2015/mills2</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-74">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-75">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2015mills2prog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/mills2/prog.c">2015/mills2/prog.c</a></h3>
<h3 id="information-2015mills2index.html">Information: <a href="2015/mills2/index.html">2015/mills2/index.html</a></h3>
<p>The program doesn’t look at the header of files so if it’s passed something hat
@@ -2979,7 +2982,7 @@ is not compressed data it’s likely to crash.</p>
<div id="2015_schweikhardt">
<h2 id="schweikhardt">2015/schweikhardt</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-75">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-76">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2015schweikhardtprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/schweikhardt/prog.c">2015/schweikhardt/prog.c</a></h3>
<h3 id="information-2015schweikhardtindex.html">Information: <a href="2015/schweikhardt/index.html">2015/schweikhardt/index.html</a></h3>
<p>The program assumes that <code>EOF</code> is <code>-1</code>. This can be fixed but at this time it is
@@ -3012,7 +3015,7 @@ use <code>8 * sizeof(typ)</code> bits per place. It does not work when <code>CHA
<div id="2018_algmyr">
<h2 id="algmyr">2018/algmyr</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-76">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-77">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2018algmyrprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/algmyr/prog.c">2018/algmyr/prog.c</a></h3>
<h3 id="information-2018algmyrindex.html">Information: <a href="2018/algmyr/index.html">2018/algmyr/index.html</a></h3>
<p>The author wrote:</p>
@@ -3031,7 +3034,7 @@ loop printing whitespace.</li>
<div id="2018_hou">
<h2 id="hou-2">2018/hou</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-77">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-78">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2018houprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/hou/prog.c">2018/hou/prog.c</a></h3>
<h3 id="information-2018houindex.html">Information: <a href="2018/hou/index.html">2018/hou/index.html</a></h3>
<p>When you run it on a JSON file you will see something like:</p>
@@ -3046,7 +3049,7 @@ fixing the syntax error in the generated <code>ioccc.json</code> file.</p>
<div id="2018_mills">
<h2 id="mills-1">2018/mills</h2>
</div>
<h3 id="status-known-bug---please-help-us-fix-12">STATUS: known bug - please help us fix</h3>
<h3 id="status-known-bug---please-help-us-fix-11">STATUS: known bug - please help us fix</h3>
<h3 id="source-code-2018millsprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/mills/prog.c">2018/mills/prog.c</a></h3>
<h3 id="information-2018millsindex.html">Information: <a href="2018/mills/index.html">2018/mills/index.html</a></h3>
<p>After exiting the program (with ctrl-e) if you try running it again you will
@@ -3056,7 +3059,7 @@ likely see:</p>
<p>where <code>[]</code> is the cursor. When this happens if you hit enter (this is necessary
or else it’ll happen again) and then exit again (ctrl-e) and run <code>prog</code> again
it’ll be okay.</p>
<h3 id="status-inabiaf---please-do-not-fix-78">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-79">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<p>The author stated that if you make a typo it can happen that the boot loader can
crash and halt. If this is the case type ctrl-e to quit the emulator and try
again.</p>
@@ -3071,7 +3074,7 @@ in the case of compiled code it won’t be executable).</p>
<div id="2018_vokes">
<h2 id="vokes">2018/vokes</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-79">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-80">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2018vokesprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/vokes/prog.c">2018/vokes/prog.c</a></h3>
<h3 id="information-2018vokesindex.html">Information: <a href="2018/vokes/index.html">2018/vokes/index.html</a></h3>
<p>The author wrote the following:</p>
@@ -3121,7 +3124,7 @@ this program has nothing to do with a hand.</p></li>
<div id="2019_adamovsky">
<h2 id="adamovsky">2019/adamovsky</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-80">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-81">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2019adamovskyprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/adamovsky/prog.c">2019/adamovsky/prog.c</a></h3>
<h3 id="information-2019adamovskyindex.html">Information: <a href="2019/adamovsky/index.html">2019/adamovsky/index.html</a></h3>
<p>Certain input can crash this program. The file
@@ -3129,7 +3132,7 @@ this program has nothing to do with a hand.</p></li>
<div id="2019_burton">
<h2 id="burton">2019/burton</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-81">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-82">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2019burtonprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/prog.c">2019/burton/prog.c</a></h3>
<h3 id="information-2019burtonindex.html">Information: <a href="2019/burton/index.html">2019/burton/index.html</a></h3>
<p>The author pointed out that some implementations of <code>wc(1)</code> show different
@@ -3137,7 +3140,7 @@ values but his implementation matches that of macOS and FreeBSD.</p>
<div id="2019_ciura">
<h2 id="ciura">2019/ciura</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-82">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-83">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2019ciuraprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/ciura/prog.c">2019/ciura/prog.c</a></h3>
<h3 id="information-2019ciuraindex.html">Information: <a href="2019/ciura/index.html">2019/ciura/index.html</a></h3>
<p><a href="authors.html#Cody_Boone_Ferguson">Cody Boone Ferguson</a> fixed the scripts so
@@ -3169,7 +3172,7 @@ ideal if this was not the case.</p>
<div id="2019_duble">
<h2 id="duble">2019/duble</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-83">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-84">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2019dubleprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/duble/prog.c">2019/duble/prog.c</a></h3>
<h3 id="information-2019dubleindex.html">Information: <a href="2019/duble/index.html">2019/duble/index.html</a></h3>
<p>There are two things to be aware of with this entry.</p>
@@ -3198,7 +3201,7 @@ in the directory:</p>
<div id="2019_endoh">
<h2 id="endoh">2019/endoh</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-84">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-85">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2019endohprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/endoh/prog.c">2019/endoh/prog.c</a></h3>
<h3 id="information-2019endohindex.html">Information: <a href="2019/endoh/index.html">2019/endoh/index.html</a></h3>
<p>As a backtrace quine this entry is <strong>SUPPOSED to segfault</strong> so this should not be
@@ -3206,7 +3209,7 @@ touched either.</p>
<div id="2019_karns">
<h2 id="karns">2019/karns</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-85">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-86">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2019karnsprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/karns/prog.c">2019/karns/prog.c</a></h3>
<h3 id="information-2019karnsindex.html">Information: <a href="2019/karns/index.html">2019/karns/index.html</a></h3>
<p>The author stated the following:</p>
@@ -3236,7 +3239,7 @@ touched either.</p>
<div id="2019_lynn">
<h2 id="lynn">2019/lynn</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-86">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-87">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2019lynnprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/lynn/prog.c">2019/lynn/prog.c</a></h3>
<h3 id="information-2019lynnindex.html">Information: <a href="2019/lynn/index.html">2019/lynn/index.html</a></h3>
<p>The author wrote that there are a number of differences from what one might
@@ -3246,7 +3249,7 @@ remarks in the sections <a href="2019/lynn/index.html#syntax">Syntax</a> and
<div id="2019_mills">
<h2 id="mills-2">2019/mills</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-87">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-88">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2019millsprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/mills/prog.c">2019/mills/prog.c</a></h3>
<h3 id="information-2019millsindex.html">Information: <a href="2019/mills/index.html">2019/mills/index.html</a></h3>
<p>The author wrote that if you decide to change networks or use a different input
@@ -3266,7 +3269,7 @@ a crash.</p>
<div id="2019_poikola">
<h2 id="poikola">2019/poikola</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-88">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-89">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2019poikolaprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/poikola/prog.c">2019/poikola/prog.c</a></h3>
<h3 id="information-2019poikolaindex.html">Information: <a href="2019/poikola/index.html">2019/poikola/index.html</a></h3>
<p>This program will not validate input so it might fail or get stuck if invoked
@@ -3275,7 +3278,7 @@ erroneously.</p>
<div id="2019_yang">
<h2 id="yang">2019/yang</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-89">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-90">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2019yangprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/yang/prog.c">2019/yang/prog.c</a></h3>
<h3 id="information-2019yangindex.html">Information: <a href="2019/yang/index.html">2019/yang/index.html</a></h3>
<p>The author noted that if the program runs out of memory it is likely to crash.</p>
@@ -3290,7 +3293,7 @@ ignored except line feeds (preserved) and tabs (expanded to 8 spaces).’</p>
<div id="2020_burton">
<h2 id="burton-1">2020/burton</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-90">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-91">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2020burtonprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/burton/prog.c">2020/burton/prog.c</a></h3>
<h3 id="information-2020burtonindex.html">Information: <a href="2020/burton/index.html">2020/burton/index.html</a></h3>
<p>This entry is known to crash if no arg is specified. Although easy to fix it is
@@ -3301,7 +3304,7 @@ either. But can you figure out why this happens?</p>
<div id="2020_carlini">
<h2 id="carlini">2020/carlini</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-91">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-92">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2020carliniprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/carlini/prog.c">2020/carlini/prog.c</a></h3>
<h3 id="information-2020carliniindex.html">Information: <a href="2020/carlini/index.html">2020/carlini/index.html</a></h3>
<p>The author stated that bad things happen if the entered move is outside of the
@@ -3315,7 +3318,7 @@ move.</p>
<div id="2020_ferguson1">
<h2 id="ferguson1">2020/ferguson1</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-92">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-93">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2020ferguson1prog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/ferguson1/prog.c">2020/ferguson1/prog.c</a></h3>
<h3 id="information-2020ferguson1index.html">Information: <a href="2020/ferguson1/index.html">2020/ferguson1/index.html</a></h3>
<p>There are some things that might appear to be bugs but are actually features or
@@ -3325,7 +3328,7 @@ things that are misinterpreted as bugs. See the
<div id="2020_giles">
<h2 id="giles">2020/giles</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-93">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-94">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2020gilesprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/giles/prog.c">2020/giles/prog.c</a></h3>
<h3 id="information-2020gilesindex.html">Information: <a href="2020/giles/index.html">2020/giles/index.html</a></h3>
<p>The author noted that the program only supports WAV files that have
@@ -3334,7 +3337,7 @@ audio channels.</p>
<div id="2020_otterness">
<h2 id="otterness">2020/otterness</h2>
</div>
<h3 id="status-inabiaf---please-do-not-fix-94">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="status-inabiaf---please-do-not-fix-95">STATUS: INABIAF - please <strong>DO NOT</strong> fix</h3>
<h3 id="source-code-2020otternessprog.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/otterness/prog.c">2020/otterness/prog.c</a></h3>
<h3 id="information-2020otternessindex.html">Information: <a href="2020/otterness/index.html">2020/otterness/index.html</a></h3>
<p>The author listed the following limitations:</p>
bugs.md
+48 -44
View File
@@ -1395,16 +1395,22 @@ there.
### Information: [1994/ldb/index.html](1994/ldb/index.html)
[Cody Boone Ferguson](authors.html#Cody_Boone_Ferguson) fixed this to compile
with modern systems but the entry also used `gets()` which in some systems would
with modern systems but the entry also used `gets(3)` which in some systems would
print out a warning along with the output of the program. Naturally it could
also overflow long lines. Cody changed it to `fgets()` to prevent the display
problem but this introduces another problem namely that newlines can be printed
if the line length < 231.
also overflow long lines, of which there are many, though that is more
considered a feature, not a bug, as it was documented by the author.
Cody changed it to `fgets(3)` to prevent the display problem but this introduces
another problem namely that newlines can be printed if the line length < 231.
This seems like a worthy compromise to not have messed up output and although it
would be ideal for it to never print a newline unless that's the line itself it
might be tampering too much with the entry as it's not a real problem and as a
one liner it's already quite long.
would be ideal for it to never print a newline (unless that's the line itself)
it might be tampering too much with the entry to fix this problem, as it's not a
real problem and as a one liner it's already quite long.
See the
FAQ on "[gets and fgets](faq.html#gets)"
for more information on the change to `fgets(3)`.
<div id="1994_schnitzi">
@@ -1433,9 +1439,8 @@ writing this on 02 November 2023, only just noticed the author's remarks and
will later on look at this if nobody takes up the challenge. More important work
like getting to a place that the next contest can run must be done first.
[Cody Boone Ferguson](authors.html#Cody_Boone_Ferguson) explains the magic of
how this entry works, which will be necessary if this entry is to be fixed,
below.
Cody explains the magic of how this entry works, which will be necessary if this
entry is to be fixed, below.
You might wish to run the command:
@@ -1451,8 +1456,8 @@ Furthermore you will want to look at:
diff schnitzi.alt.c schnitzi.alt2.c
```
as the `fgets()` version can compile it just can't generate compilable code (let
alone using `fgets()`) when fed itself (to reiterate, just changing the call to
as the `fgets(3)` version can compile it just can't generate compilable code (let
alone using `fgets(3)`) when fed itself (to reiterate, just changing the call to
`fgets(3)` does not mean it can compile and there's a further problem in that
`fgets(3)` retains the newline whereas `gets(3)` does not). Nevertheless looking
at these commands will be of help to understand how it works.
@@ -1470,13 +1475,16 @@ and these are the bugs here.
The buffer size, when using `gets()` is still the same but as noted above the
original code has had a buffer size increase.
The real problem is with formatting the code. Take a look at the interesting
comment as well as the `int r=0,x,y=0` at the top of the file. If you look at
each column go down that column you can see how it spells out the code! For
instance the first column looks like:
The real problem is with formatting the code. Take a look at the `#include
<stdio.h>`, `int r=0,x,y=0` and the interesting comment below it, at the top of
the file.
If you look at each column and go down that column you can see how it spells out
the code! For instance the first column looks like:
```
#
i
n
c
@@ -1503,8 +1511,6 @@ If you join the lines you end up with:
#include <stdio.h>
```
(well, you get `include <stdio.h>` but it ends up as `#include <stdio.h>`.)
If you look at column 25 which is the end of the word 'mh111' and you go down to
the next row you'll see a 0 and if you go one row down another 0. This is the
buffer size, 100, for `u`! The column to the left is the same for the `t`
@@ -1517,10 +1523,10 @@ changing the buffer size, see below).
### Important points:
Getting this entry to use `fgets()` is easy but the problem is you're supposed
Getting this entry to use `fgets(3)` is easy but the problem is you're supposed
to be able to feed the source to the program and the output of that will be
compilable. It however will create compiler errors. So it's not just changing
the code to get it to use fgets()! I (Cody) already did this before I noticed
the code to get it to use `fgets(3)`! I (Cody) already did this before I noticed
the other part which is why I rolled that part back. I did increase the buffer
size but that only works on the original source.
@@ -1547,29 +1553,15 @@ compiled!
This program will likely crash if the source code file (by the name of the file
that's compiled) cannot be opened in the directory it is run from.
### STATUS: missing file - please provide it
[Cody Boone Ferguson](authors.html#Cody_Boone_Ferguson) noted that the
index.html file refers to an alternative version of the code that is not
obfuscated but it is missing from the entry directory and the archive. Do you
have this file?
We would be grateful if you could provide it to us. If you can provide this
file you might consider removing this entry from this file as well but if not
we'll take care of it.
### Important reminder and a note about the `-1` value check for `getc()`:
[Cody Boone Ferguson](authors.html#Cody_Boone_Ferguson) fixed the code to not
use `-1` for the return value of `getc()`; this is important because `EOF` is
**NOT** guaranteed to be `-1` but rather any negative value. On systems where
`EOF != -1` the program would enter an infinite loop until the program crashed,
by chance reads a `-1` or was killed (it is for this same reason that one should
not use `EOF` for the `getopt()` functions as they return `-1` when all options
are parsed (for details on the definition of `EOF` see `7.21
Input/output<stdio.h>` subsection 1 of the standard)).
Cody fixed the code to not use `-1` for the return value of `getc()`; this is
important because `EOF` is **NOT** guaranteed to be `-1` but rather any negative
value. On systems where `EOF != -1` the program would enter an infinite loop
until the program crashed, by chance reads a `-1` or was killed (it is for this
same reason that one should not use `EOF` for the `getopt()` functions as they
return `-1` when all options are parsed (for details on the definition of `EOF`
see `7.21 Input/output<stdio.h>` subsection 1 of the standard)).
An interesting problem occurred where changing the `-1` to `EOF` caused both
`warning: illegal character encoding in string literal` and `error: source file
@@ -1581,11 +1573,22 @@ if it checked for `!= EOF`.
Since it works there is no need to fix this except for a challenge to yourself.
### STATUS: missing file - please provide it
The index.html file refers to an alternate version of the code that is not
obfuscated but it is missing from the entry directory and the archive. Do you
have this file?
We would be grateful if you could provide it to us. If you can provide this
file you might consider removing this status from this file as well but if not
we'll take care of it.
<div id="1994_tvr">
## 1994/tvr
</div>
### STATUS: known bug - please help us fix
### STATUS: INABIAF - please **DO NOT** fix
### Source code: [1994/tvr/tvr.c](%%REPO_URL%%/1994/tvr/tvr.c)
### Information: [1994/tvr/index.html](1994/tvr/index.html)
@@ -1597,8 +1600,9 @@ The judges said the following in their remarks:
Mandelbrot/Julian sets correctly. Can you find the bug? Better still, can you
fix it without breaking something else?
You are welcome to try and fix it and open a pull request, providing that it
doesn't break something else.
However, the author stated that this is a feature so this should not be fixed.
See also the other [bugs](1994/tvr/index.html#bugs) the author mentioned that,
as documented, are considered features.
<hr style="width:10%;text-align:left;margin-left:0">