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<li class="navelem"><a class="el" href="dir_e28e5cafcb18af768fa0412f93bc207a.html">fuse-3.9.1</a></li><li class="navelem"><a class="el" href="dir_539fc5a27e9d8c955169bfd4197e9b72.html">example</a></li> </ul>
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<a href="fuse-3_89_81_2example_2ioctl_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> FUSE-ioctl: ioctl support for FUSE</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> Copyright (C) 2008 SUSE Linux Products GmbH</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (C) 2008 Tejun Heo <teheo@suse.de></span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> This program can be distributed under the terms of the GNU GPLv2.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> See the file COPYING.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">*/</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <sys/types.h></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <sys/uio.h></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <sys/ioctl.h></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">enum</span> {</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  FIOC_GET_SIZE = _IOR(<span class="charliteral">'E'</span>, 0, <span class="keywordtype">size_t</span>),</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  FIOC_SET_SIZE = _IOW(<span class="charliteral">'E'</span>, 1, <span class="keywordtype">size_t</span>),</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="comment">/*</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * The following two ioctls don't follow usual encoding rules</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * and transfer variable amount of data.</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> */</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  FIOC_READ = _IO(<span class="charliteral">'E'</span>, 2),</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  FIOC_WRITE = _IO(<span class="charliteral">'E'</span>, 3),</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> };</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">struct </span>fioc_rw_arg {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  off_t offset;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">void</span> *buf;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordtype">size_t</span> size;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">size_t</span> prev_size; <span class="comment">/* out param for previous total size */</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">size_t</span> new_size; <span class="comment">/* out param for new total size */</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> };</div></div><!-- fragment --></div><!-- contents -->
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