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<li class="navelem"><a class="el" href="dir_27839dbeec55433cc4dc39a88267ee36.html">fuse-3.9.2</a></li><li class="navelem"><a class="el" href="dir_d790487765a9084237f256d5be551617.html">example</a></li> </ul>
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<a href="fuse-3_89_82_2example_2cuse_8c.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"> CUSE example: Character device in Userspace</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> Copyright (C) 2008-2009 SUSE Linux Products GmbH</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (C) 2008-2009 Tejun Heo <tj@kernel.org></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> <span class="comment">*/</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#define FUSE_USE_VERSION 31</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="preprocessor">#include <cuse_lowlevel.h></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <fuse_opt.h></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <stddef.h></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <stdlib.h></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <string.h></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <unistd.h></span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <errno.h></span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include "<a class="code" href="fuse-3_89_82_2example_2ioctl_8h.html">ioctl.h</a>"</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">static</span> <span class="keywordtype">void</span> *cusexmp_buf;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">static</span> <span class="keywordtype">size_t</span> cusexmp_size;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *usage =</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="stringliteral">"usage: cusexmp [options]\n"</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="stringliteral">"\n"</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="stringliteral">"options:\n"</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="stringliteral">" --help|-h print this help message\n"</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="stringliteral">" --maj=MAJ|-M MAJ device major number\n"</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="stringliteral">" --min=MIN|-m MIN device minor number\n"</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="stringliteral">" --name=NAME|-n NAME device name (mandatory)\n"</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="stringliteral">" -d -o debug enable debug output (implies -f)\n"</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="stringliteral">" -f foreground operation\n"</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="stringliteral">" -s disable multi-threaded operation\n"</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="stringliteral">"\n"</span>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">static</span> <span class="keywordtype">int</span> cusexmp_resize(<span class="keywordtype">size_t</span> new_size)</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> {</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">void</span> *new_buf;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (new_size == cusexmp_size)</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  new_buf = realloc(cusexmp_buf, new_size);</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">if</span> (!new_buf && new_size)</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">return</span> -ENOMEM;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span> (new_size > cusexmp_size)</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  memset(new_buf + cusexmp_size, 0, new_size - cusexmp_size);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  cusexmp_buf = new_buf;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  cusexmp_size = new_size;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">static</span> <span class="keywordtype">int</span> cusexmp_expand(<span class="keywordtype">size_t</span> new_size)</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> {</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (new_size > cusexmp_size)</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> cusexmp_resize(new_size);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> }</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">static</span> <span class="keywordtype">void</span> cusexmp_open(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <span class="keyword">struct</span> <a class="code" href="structfuse__file__info.html">fuse_file_info</a> *fi)</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a170f8c6b953d70928e83bcecee43bfdc">fuse_reply_open</a>(req, fi);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> }</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">static</span> <span class="keywordtype">void</span> cusexmp_read(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <span class="keywordtype">size_t</span> size, off_t off,</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">struct</span> <a class="code" href="structfuse__file__info.html">fuse_file_info</a> *fi)</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  (void)fi;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (off >= cusexmp_size)</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  off = cusexmp_size;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span> (size > cusexmp_size - off)</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  size = cusexmp_size - off;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a300a88b63ab7c8ca92853a97486448c0">fuse_reply_buf</a>(req, cusexmp_buf + off, size);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> }</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">static</span> <span class="keywordtype">void</span> cusexmp_write(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <span class="keyword">const</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> size,</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  off_t off, <span class="keyword">struct</span> <a class="code" href="structfuse__file__info.html">fuse_file_info</a> *fi)</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> {</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  (void)fi;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span> (cusexmp_expand(off + size)) {</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_reply_err</a>(req, ENOMEM);</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  memcpy(cusexmp_buf + off, buf, size);</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#aa3cfa73f61d6ef461ab5a3fbf859eb97">fuse_reply_write</a>(req, size);</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> }</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="keyword">static</span> <span class="keywordtype">void</span> fioc_do_rw(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <span class="keywordtype">void</span> *addr, <span class="keyword">const</span> <span class="keywordtype">void</span> *in_buf,</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">size_t</span> in_bufsz, <span class="keywordtype">size_t</span> out_bufsz, <span class="keywordtype">int</span> is_read)</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> {</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">const</span> <span class="keyword">struct </span>fioc_rw_arg *arg;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">struct </span>iovec in_iov[2], out_iov[3], iov[3];</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">size_t</span> cur_size;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">/* read in arg */</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  in_iov[0].iov_base = addr;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  in_iov[0].iov_len = <span class="keyword">sizeof</span>(*arg);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (!in_bufsz) {</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a940683d07df12c24f56b4363aed90e4d">fuse_reply_ioctl_retry</a>(req, in_iov, 1, NULL, 0);</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  arg = in_buf;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  in_buf += <span class="keyword">sizeof</span>(*arg);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  in_bufsz -= <span class="keyword">sizeof</span>(*arg);</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">/* prepare size outputs */</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  out_iov[0].iov_base =</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  addr + offsetof(<span class="keyword">struct</span> fioc_rw_arg, prev_size);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  out_iov[0].iov_len = <span class="keyword">sizeof</span>(arg->prev_size);</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  out_iov[1].iov_base =</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  addr + offsetof(<span class="keyword">struct</span> fioc_rw_arg, new_size);</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  out_iov[1].iov_len = <span class="keyword">sizeof</span>(arg->new_size);</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">/* prepare client buf */</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> (is_read) {</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  out_iov[2].iov_base = arg->buf;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  out_iov[2].iov_len = arg->size;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (!out_bufsz) {</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a940683d07df12c24f56b4363aed90e4d">fuse_reply_ioctl_retry</a>(req, in_iov, 1, out_iov, 3);</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  in_iov[1].iov_base = arg->buf;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  in_iov[1].iov_len = arg->size;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (arg->size && !in_bufsz) {</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a940683d07df12c24f56b4363aed90e4d">fuse_reply_ioctl_retry</a>(req, in_iov, 2, out_iov, 2);</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">/* we're all set */</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  cur_size = cusexmp_size;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  iov[0].iov_base = &cur_size;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  iov[0].iov_len = <span class="keyword">sizeof</span>(cur_size);</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  iov[1].iov_base = &cusexmp_size;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  iov[1].iov_len = <span class="keyword">sizeof</span>(cusexmp_size);</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">if</span> (is_read) {</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordtype">size_t</span> off = arg->offset;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordtype">size_t</span> size = arg->size;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">if</span> (off >= cusexmp_size)</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  off = cusexmp_size;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">if</span> (size > cusexmp_size - off)</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  size = cusexmp_size - off;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  iov[2].iov_base = cusexmp_buf + off;</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  iov[2].iov_len = size;</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a37381eb84c39e5fe3af9f3ef507aeeb7">fuse_reply_ioctl_iov</a>(req, size, iov, 3);</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">if</span> (cusexmp_expand(arg->offset + in_bufsz)) {</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_reply_err</a>(req, ENOMEM);</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  memcpy(cusexmp_buf + arg->offset, in_buf, in_bufsz);</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a37381eb84c39e5fe3af9f3ef507aeeb7">fuse_reply_ioctl_iov</a>(req, in_bufsz, iov, 2);</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> }</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="keyword">static</span> <span class="keywordtype">void</span> cusexmp_ioctl(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <span class="keywordtype">int</span> cmd, <span class="keywordtype">void</span> *arg,</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">struct</span> <a class="code" href="structfuse__file__info.html">fuse_file_info</a> *fi, <span class="keywordtype">unsigned</span> flags,</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">const</span> <span class="keywordtype">void</span> *in_buf, <span class="keywordtype">size_t</span> in_bufsz, <span class="keywordtype">size_t</span> out_bufsz)</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> {</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordtype">int</span> is_read = 0;</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  (void)fi;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span> (flags & <a class="code" href="fuse-3_88_80_2include_2fuse__common_8h.html#ade38f8e8c463cd40af5bfeeebfa99486">FUSE_IOCTL_COMPAT</a>) {</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_reply_err</a>(req, ENOSYS);</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">switch</span> (cmd) {</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">case</span> FIOC_GET_SIZE:</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">if</span> (!out_bufsz) {</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">struct </span>iovec iov = { arg, <span class="keyword">sizeof</span>(size_t) };</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a940683d07df12c24f56b4363aed90e4d">fuse_reply_ioctl_retry</a>(req, NULL, 0, &iov, 1);</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  } <span class="keywordflow">else</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#adf7f34f470c04f276b7091ad3b3dcb31">fuse_reply_ioctl</a>(req, 0, &cusexmp_size,</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">sizeof</span>(cusexmp_size));</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">case</span> FIOC_SET_SIZE:</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">if</span> (!in_bufsz) {</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">struct </span>iovec iov = { arg, <span class="keyword">sizeof</span>(size_t) };</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a940683d07df12c24f56b4363aed90e4d">fuse_reply_ioctl_retry</a>(req, &iov, 1, NULL, 0);</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  cusexmp_resize(*(<span class="keywordtype">size_t</span> *)in_buf);</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#adf7f34f470c04f276b7091ad3b3dcb31">fuse_reply_ioctl</a>(req, 0, NULL, 0);</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">case</span> FIOC_READ:</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  is_read = 1;</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">/* fall through */</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">case</span> FIOC_WRITE:</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  fioc_do_rw(req, arg, in_buf, in_bufsz, out_bufsz, is_read);</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_reply_err</a>(req, EINVAL);</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  }</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> }</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="keyword">struct </span>cusexmp_param {</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordtype">unsigned</span> major;</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordtype">unsigned</span> minor;</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordtype">char</span> *dev_name;</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordtype">int</span> is_help;</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> };</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> </div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="preprocessor">#define CUSEXMP_OPT(t, p) { t, offsetof(struct cusexmp_param, p), 1 }</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structfuse__opt.html">fuse_opt</a> cusexmp_opts[] = {</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  CUSEXMP_OPT(<span class="stringliteral">"-M %u"</span>, major),</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  CUSEXMP_OPT(<span class="stringliteral">"--maj=%u"</span>, major),</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  CUSEXMP_OPT(<span class="stringliteral">"-m %u"</span>, minor),</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  CUSEXMP_OPT(<span class="stringliteral">"--min=%u"</span>, minor),</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  CUSEXMP_OPT(<span class="stringliteral">"-n %s"</span>, dev_name),</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  CUSEXMP_OPT(<span class="stringliteral">"--name=%s"</span>, dev_name),</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__opt_8h.html#a371d830a8aedd9e3f96d9bb31876a8f1">FUSE_OPT_KEY</a>(<span class="stringliteral">"-h"</span>, 0),</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__opt_8h.html#a371d830a8aedd9e3f96d9bb31876a8f1">FUSE_OPT_KEY</a>(<span class="stringliteral">"--help"</span>, 0),</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__opt_8h.html#aca35962e17d189ceb5447f8eea11bd33">FUSE_OPT_END</a></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> };</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="keyword">static</span> <span class="keywordtype">int</span> cusexmp_process_arg(<span class="keywordtype">void</span> *data, <span class="keyword">const</span> <span class="keywordtype">char</span> *arg, <span class="keywordtype">int</span> key,</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keyword">struct</span> <a class="code" href="structfuse__args.html">fuse_args</a> *outargs)</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> {</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keyword">struct </span>cusexmp_param *param = data;</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  (void)outargs;</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  (void)arg;</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">switch</span> (key) {</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">case</span> 0:</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  param->is_help = 1;</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  fprintf(stderr, <span class="stringliteral">"%s"</span>, usage);</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">return</span> <a class="code" href="fuse-3_88_80_2include_2fuse__opt_8h.html#a21602e6a0fff64fc9c7b642d12382094">fuse_opt_add_arg</a>(outargs, <span class="stringliteral">"-ho"</span>);</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  }</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> }</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span>cuse_lowlevel_ops cusexmp_clop = {</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  .open = cusexmp_open,</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  .read = cusexmp_read,</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  .write = cusexmp_write,</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  .ioctl = cusexmp_ioctl,</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> };</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> {</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keyword">struct </span><a class="code" href="structfuse__args.html">fuse_args</a> args = <a class="code" href="fuse-3_88_80_2include_2fuse__opt_8h.html#a9bea40fe56b18be9aa110185ab7387ed">FUSE_ARGS_INIT</a>(argc, argv);</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keyword">struct </span>cusexmp_param param = { 0, 0, NULL, 0 };</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordtype">char</span> dev_name[128] = <span class="stringliteral">"DEVNAME="</span>;</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *dev_info_argv[] = { dev_name };</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keyword">struct </span>cuse_info ci;</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> </div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">if</span> (<a class="code" href="fuse-3_88_80_2include_2fuse__opt_8h.html#a539ef1f571c34f516c60c4cbe2901c0e">fuse_opt_parse</a>(&args, &param, cusexmp_opts, cusexmp_process_arg)) {</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  printf(<span class="stringliteral">"failed to parse option\n"</span>);</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">if</span> (!param.is_help) {</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">if</span> (!param.dev_name) {</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  fprintf(stderr, <span class="stringliteral">"Error: device name missing\n"</span>);</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  }</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  strncat(dev_name, param.dev_name, <span class="keyword">sizeof</span>(dev_name) - 9);</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  }</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  memset(&ci, 0, <span class="keyword">sizeof</span>(ci));</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  ci.dev_major = param.major;</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  ci.dev_minor = param.minor;</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  ci.dev_info_argc = 1;</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  ci.dev_info_argv = dev_info_argv;</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  ci.flags = CUSE_UNRESTRICTED_IOCTL;</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">return</span> cuse_lowlevel_main(args.<a class="code" href="structfuse__args.html#a501883d1eababa08e05b0c802b31e11d">argc</a>, args.<a class="code" href="structfuse__args.html#aba205faea1c7b46b912bd509976a074a">argv</a>, &ci, &cusexmp_clop,</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  NULL);</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span> }</div><div class="ttc" id="fuse-3_88_80_2include_2fuse__opt_8h_html_a539ef1f571c34f516c60c4cbe2901c0e"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__opt_8h.html#a539ef1f571c34f516c60c4cbe2901c0e">fuse_opt_parse</a></div><div class="ttdeci">int fuse_opt_parse(struct fuse_args *args, void *data, const struct fuse_opt opts[], fuse_opt_proc_t proc)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__opt_8c_source.html#l00398">fuse_opt.c:398</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_a33e2aa4a8905a05397292ae047cd2257"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a></div><div class="ttdeci">struct fuse_req * fuse_req_t</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__lowlevel_8h_source.html#l00049">fuse_lowlevel.h:49</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__common_8h_html_ade38f8e8c463cd40af5bfeeebfa99486"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__common_8h.html#ade38f8e8c463cd40af5bfeeebfa99486">FUSE_IOCTL_COMPAT</a></div><div class="ttdeci">#define FUSE_IOCTL_COMPAT</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__common_8h_source.html#l00371">fuse_common.h:371</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_a37381eb84c39e5fe3af9f3ef507aeeb7"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a37381eb84c39e5fe3af9f3ef507aeeb7">fuse_reply_ioctl_iov</a></div><div class="ttdeci">int fuse_reply_ioctl_iov(fuse_req_t req, int result, const struct iovec *iov, int count)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__lowlevel_8c_source.html#l01034">fuse_lowlevel.c:1034</a></div></div>
<div class="ttc" id="structfuse__args_html_a501883d1eababa08e05b0c802b31e11d"><div class="ttname"><a href="structfuse__args.html#a501883d1eababa08e05b0c802b31e11d">fuse_args::argc</a></div><div class="ttdeci">int argc</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__opt_8h_source.html#l00111">fuse_opt.h:111</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__opt_8h_html_a9bea40fe56b18be9aa110185ab7387ed"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__opt_8h.html#a9bea40fe56b18be9aa110185ab7387ed">FUSE_ARGS_INIT</a></div><div class="ttdeci">#define FUSE_ARGS_INIT(argc, argv)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__opt_8h_source.html#l00123">fuse_opt.h:123</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_a300a88b63ab7c8ca92853a97486448c0"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a300a88b63ab7c8ca92853a97486448c0">fuse_reply_buf</a></div><div class="ttdeci">int fuse_reply_buf(fuse_req_t req, const char *buf, size_t size)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__lowlevel_8c_source.html#l00472">fuse_lowlevel.c:472</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_aa3cfa73f61d6ef461ab5a3fbf859eb97"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#aa3cfa73f61d6ef461ab5a3fbf859eb97">fuse_reply_write</a></div><div class="ttdeci">int fuse_reply_write(fuse_req_t req, size_t count)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__lowlevel_8c_source.html#l00462">fuse_lowlevel.c:462</a></div></div>
<div class="ttc" id="structfuse__file__info_html"><div class="ttname"><a href="structfuse__file__info.html">fuse_file_info</a></div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__common_8h_source.html#l00044">fuse_common.h:44</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_a940683d07df12c24f56b4363aed90e4d"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a940683d07df12c24f56b4363aed90e4d">fuse_reply_ioctl_retry</a></div><div class="ttdeci">int fuse_reply_ioctl_retry(fuse_req_t req, const struct iovec *in_iov, size_t in_count, const struct iovec *out_iov, size_t out_count)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__lowlevel_8c_source.html#l00943">fuse_lowlevel.c:943</a></div></div>
<div class="ttc" id="structfuse__args_html_aba205faea1c7b46b912bd509976a074a"><div class="ttname"><a href="structfuse__args.html#aba205faea1c7b46b912bd509976a074a">fuse_args::argv</a></div><div class="ttdeci">char ** argv</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__opt_8h_source.html#l00114">fuse_opt.h:114</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__opt_8h_html_aca35962e17d189ceb5447f8eea11bd33"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__opt_8h.html#aca35962e17d189ceb5447f8eea11bd33">FUSE_OPT_END</a></div><div class="ttdeci">#define FUSE_OPT_END</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__opt_8h_source.html#l00104">fuse_opt.h:104</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_a2553c03f9a63c75e609e67f90a3a5d88"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_reply_err</a></div><div class="ttdeci">int fuse_reply_err(fuse_req_t req, int err)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__lowlevel_8c_source.html#l00312">fuse_lowlevel.c:312</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__opt_8h_html_a371d830a8aedd9e3f96d9bb31876a8f1"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__opt_8h.html#a371d830a8aedd9e3f96d9bb31876a8f1">FUSE_OPT_KEY</a></div><div class="ttdeci">#define FUSE_OPT_KEY(templ, key)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__opt_8h_source.html#l00098">fuse_opt.h:98</a></div></div>
<div class="ttc" id="structfuse__opt_html"><div class="ttname"><a href="structfuse__opt.html">fuse_opt</a></div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__opt_8h_source.html#l00077">fuse_opt.h:77</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_adf7f34f470c04f276b7091ad3b3dcb31"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#adf7f34f470c04f276b7091ad3b3dcb31">fuse_reply_ioctl</a></div><div class="ttdeci">int fuse_reply_ioctl(fuse_req_t req, int result, const void *buf, size_t size)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__lowlevel_8c_source.html#l01013">fuse_lowlevel.c:1013</a></div></div>
<div class="ttc" id="structfuse__args_html"><div class="ttname"><a href="structfuse__args.html">fuse_args</a></div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__opt_8h_source.html#l00109">fuse_opt.h:109</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__opt_8h_html_a21602e6a0fff64fc9c7b642d12382094"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__opt_8h.html#a21602e6a0fff64fc9c7b642d12382094">fuse_opt_add_arg</a></div><div class="ttdeci">int fuse_opt_add_arg(struct fuse_args *args, const char *arg)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__opt_8c_source.html#l00055">fuse_opt.c:55</a></div></div>
<div class="ttc" id="fuse-3_89_82_2example_2ioctl_8h_html"><div class="ttname"><a href="fuse-3_89_82_2example_2ioctl_8h.html">ioctl.h</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_a170f8c6b953d70928e83bcecee43bfdc"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a170f8c6b953d70928e83bcecee43bfdc">fuse_reply_open</a></div><div class="ttdeci">int fuse_reply_open(fuse_req_t req, const struct fuse_file_info *fi)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__lowlevel_8c_source.html#l00453">fuse_lowlevel.c:453</a></div></div>
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