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libexplain - Explain errno values returned by libc functions
Copyright (C) 2009, 2010 Peter Miller
Written by Peter Miller <pmiller@opensource.org.au>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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No Medium Found, 6.1
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<a href="590-slide.html" >Prev</a>,
<a href="index.html" >Top</a>
</td><td align="right" >
<a href="600-notes.html#6.1" >Notes</a>,
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<h1 align="center" >
Adventures In <i>ioctl</i>(2) Support<br/>
Decoding Request Numbers
</h1>
<table align="center" ><tr><td>
The library uses a table
<blockquote><pre>
const explain_iocontrol_t *const <a
href="../doc-internal/iocontrol_2table_8h.html"
>explain_iocontrol_table</a>[] =
{
&<a href="../doc-internal/blkbszget_8h.html"
>explain_iocontrol_blkbszget</a>,
<i>blah blah blah</i>
&<a href="../doc-internal/vt__waitactive_8h.html"
>explain_iocontrol_vt_waitactive</a>,
}
</pre></blockquote>
Using manual OO techniques
<blockquote><pre>
struct <a href="../doc-internal/structexplain__iocontrol__t.html"
>explain_iocontrol_t</a>
{
const char *name;
int number;
int (*disambiguate)(int fildes, int request, const void *data);
void (*print_data)(int fildes, int request, const void *data);
void (*print_explanation)(int fildes, int request, const void *data);
<i>etc</i>
};
</pre></blockquote>
<p><small>
libexplain/iocontrol.h<br/>
libexplain/iocontrol/table.c<br/>
libexplain/iocontrol/<i>name</i>.c<br/>
</small></p>
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