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<div class="title">mmio.c</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/* ====================================================================</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (c) 2005 Carnegie Mellon University. All rights </span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * reserved.</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"> * Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modification, are permitted provided that the following conditions</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * are met:</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> <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * notice, this list of conditions and the following disclaimer. </span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * notice, this list of conditions and the following disclaimer in</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * the documentation and/or other materials provided with the</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * distribution.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * This work was supported in part by funding from the Defense Advanced </span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * Research Projects Agency and the National Science Foundation of the </span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * United States of America, and the CMU Sphinx Speech Consortium.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND </span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, </span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT </span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, </span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY </span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT </span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE </span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * ====================================================================</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">/*********************************************************************</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * File: mmio.c</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * </span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * Description: mmap() wrappers for Unix/Windows</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * </span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * Author: David Huggins-Daines <dhuggins@cs.cmu.edu></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * </span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> *********************************************************************/</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="preprocessor">#include <string.h></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include <stdlib.h></span></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="preprocessor">#ifdef GNUWINCE</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"># include <sys/wcebase.h></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor"># include <sys/wcetypes.h></span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"># include <sys/wcememory.h></span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor"># include <sys/wcefile.h></span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#elif defined(__SYMBIAN32__) </span><span class="comment">/* SYMBIAN32 must be before WIN32 since Symbian SDK defines WIN32 as well */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"># include <unistd.h></span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"># include <fcntl.h></span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"># include <sys/stat.h></span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"># include <sys/mman.h></span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#elif defined(_WIN32)</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor"># include <windows.h></span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor"># include <unistd.h></span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"># include <fcntl.h></span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor"># include <sys/stat.h></span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor"># include <sys/file.h></span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor"># include <sys/mman.h></span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#endif</span></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> <span class="preprocessor">#include "<a class="code" href="prim__type_8h.html">sphinxbase/prim_type.h</a>"</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#include "<a class="code" href="err_8h.html">sphinxbase/err.h</a>"</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#include "<a class="code" href="mmio_8h.html">sphinxbase/mmio.h</a>"</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#include "<a class="code" href="ckd__alloc_8h.html">sphinxbase/ckd_alloc.h</a>"</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#if defined(_WIN32_WCE) || defined(GNUWINCE)</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">struct </span><a class="code" href="structmmio__file__s.html">mmio_file_s</a> {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">int</span> dummy;</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> </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <a class="code" href="structmmio__file__s.html">mmio_file_t</a> *</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <a class="code" href="mmio_8h.html#ae3367a51a50a6108178ecfdd6c983c61">mmio_file_read</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *filename)</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  HANDLE ffm, fd;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  WCHAR *wfilename;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">void</span> *rv;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordtype">int</span> len;</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>  len = mbstowcs(NULL, filename, 0) + 1;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  wfilename = malloc(len * <span class="keyword">sizeof</span>(WCHAR));</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  mbstowcs(wfilename, filename, len);</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> ((ffm =</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  CreateFileForMappingW(wfilename, GENERIC_READ, FILE_SHARE_READ,</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  NULL)) == INVALID_HANDLE_VALUE) {</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993">E_ERROR</a>(<span class="stringliteral">"Failed to create mapping for the file '%s': %08x\n"</span>, filename,</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  GetLastError());</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> ((fd =</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  CreateFileMappingW(ffm, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993">E_ERROR</a>(<span class="stringliteral">"Failed to CreateFileMapping: %08x\n"</span>, GetLastError());</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  CloseHandle(ffm);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> NULL;</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>  rv = MapViewOfFile(fd, FILE_MAP_READ, 0, 0, 0);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  free(wfilename);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  CloseHandle(ffm);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  CloseHandle(fd);</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> (<a class="code" href="structmmio__file__s.html">mmio_file_t</a> *) rv;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> }</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <a class="code" href="mmio_8h.html#a341a9c1cc8a3c4bddfd2d29a1b0993f6">mmio_file_unmap</a>(<a class="code" href="structmmio__file__s.html">mmio_file_t</a> *mf)</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>  <span class="keywordflow">if</span> (!UnmapViewOfFile((<span class="keywordtype">void</span> *)mf)) {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993">E_ERROR</a>(<span class="stringliteral">"Failed to UnmapViewOfFile: %08x\n"</span>, GetLastError());</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> </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keywordtype">void</span> *</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <a class="code" href="mmio_8h.html#a5e6d8bf5cd7785563abc18c70a31ce0d">mmio_file_ptr</a>(<a class="code" href="structmmio__file__s.html">mmio_file_t</a> *mf)</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> (<span class="keywordtype">void</span> *)mf;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> }</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="preprocessor">#elif defined(WIN32) </span><span class="comment">/* !WINCE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">struct </span><a class="code" href="structmmio__file__s.html">mmio_file_s</a> {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">int</span> dummy;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> };</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <a class="code" href="structmmio__file__s.html">mmio_file_t</a> *</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <a class="code" href="mmio_8h.html#ae3367a51a50a6108178ecfdd6c983c61">mmio_file_read</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *filename)</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> {</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  HANDLE ffm, fd;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">void</span> *rv;</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="keywordflow">if</span> ((ffm = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ,</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  NULL)) == INVALID_HANDLE_VALUE) {</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993">E_ERROR</a>(<span class="stringliteral">"Failed to create file '%s': %08x\n"</span>,</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  filename, GetLastError());</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span> ((fd = CreateFileMapping(ffm, NULL,</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  PAGE_READONLY, 0, 0, NULL)) == NULL) {</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993">E_ERROR</a>(<span class="stringliteral">"Failed to CreateFileMapping: %08x\n"</span>, GetLastError());</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  CloseHandle(ffm);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  rv = MapViewOfFile(fd, FILE_MAP_READ, 0, 0, 0);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  CloseHandle(ffm);</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  CloseHandle(fd);</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">return</span> (<a class="code" href="structmmio__file__s.html">mmio_file_t</a> *)rv;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> }</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <a class="code" href="mmio_8h.html#a341a9c1cc8a3c4bddfd2d29a1b0993f6">mmio_file_unmap</a>(<a class="code" href="structmmio__file__s.html">mmio_file_t</a> *mf)</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">if</span> (!UnmapViewOfFile((<span class="keywordtype">void</span> *)mf)) {</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993">E_ERROR</a>(<span class="stringliteral">"Failed to UnmapViewOfFile: %08x\n"</span>, GetLastError());</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> </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keywordtype">void</span> *</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <a class="code" href="mmio_8h.html#a5e6d8bf5cd7785563abc18c70a31ce0d">mmio_file_ptr</a>(<a class="code" href="structmmio__file__s.html">mmio_file_t</a> *mf)</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> {</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> (<span class="keywordtype">void</span> *)mf;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> }</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="preprocessor">#else </span><span class="comment">/* !WIN32, !WINCE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="preprocessor">#if defined(__ADSPBLACKFIN__) </span><span class="comment">/* This is true for both uClinux and VisualDSP++,</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"> but actually we need a better way to detect it. */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="keyword">struct </span><a class="code" href="structmmio__file__s.html">mmio_file_s</a> {</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordtype">int</span> dummy;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> };</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <a class="code" href="structmmio__file__s.html">mmio_file_t</a> *</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <a class="code" href="mmio_8h.html#ae3367a51a50a6108178ecfdd6c983c61">mmio_file_read</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *filename)</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>  <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613">E_FATAL</a>(<span class="stringliteral">"mmio is not implemented on this platform!"</span>);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> }</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <a class="code" href="mmio_8h.html#a341a9c1cc8a3c4bddfd2d29a1b0993f6">mmio_file_unmap</a>(<a class="code" href="structmmio__file__s.html">mmio_file_t</a> *mf)</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> {</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613">E_FATAL</a>(<span class="stringliteral">"mmio is not implemented on this platform!"</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> </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="keywordtype">void</span> *</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <a class="code" href="mmio_8h.html#a5e6d8bf5cd7785563abc18c70a31ce0d">mmio_file_ptr</a>(<a class="code" href="structmmio__file__s.html">mmio_file_t</a> *mf)</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>  <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613">E_FATAL</a>(<span class="stringliteral">"mmio is not implemented on this platform!"</span>);</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> }</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="preprocessor">#else </span><span class="comment">/* !__ADSPBLACKFIN__ */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00200"></a><span class="lineno"><a class="line" href="structmmio__file__s.html"> 200</a></span> <span class="keyword">struct </span><a class="code" href="structmmio__file__s.html">mmio_file_s</a> {</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordtype">void</span> *ptr;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordtype">size_t</span> mapsize;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> };</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> <a class="code" href="structmmio__file__s.html">mmio_file_t</a> *</div>
<div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="mmio_8h.html#ae3367a51a50a6108178ecfdd6c983c61"> 206</a></span> <a class="code" href="mmio_8h.html#ae3367a51a50a6108178ecfdd6c983c61">mmio_file_read</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *filename)</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> {</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="structmmio__file__s.html">mmio_file_t</a> *mf;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">struct </span>stat buf;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordtype">void</span> *ptr;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordtype">int</span> fd;</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordtype">size_t</span> pagesize;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">if</span> ((fd = open(filename, O_RDONLY)) == -1) {</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03">E_ERROR_SYSTEM</a>(<span class="stringliteral">"Failed to open %s"</span>, filename);</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> (fstat(fd, &buf) == -1) {</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03">E_ERROR_SYSTEM</a>(<span class="stringliteral">"Failed to stat %s"</span>, filename);</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  close(fd);</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  ptr = mmap(NULL, buf.st_size, PROT_READ, MAP_SHARED, fd, 0);</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">if</span> (ptr == (<span class="keywordtype">void</span> *)-1) {</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03">E_ERROR_SYSTEM</a>(<span class="stringliteral">"Failed to mmap %lld bytes"</span>, (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span>)buf.st_size);</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  close(fd);</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  close(fd);</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  mf = <a class="code" href="ckd__alloc_8h.html#aa00ef21903bc4f8a972488417adc8d2e">ckd_calloc</a>(1, <span class="keyword">sizeof</span>(*mf));</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  mf->ptr = ptr;</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">/* Align map size to next page. */</span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  pagesize = getpagesize();</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  mf->mapsize = (buf.st_size + pagesize - 1) / pagesize * pagesize;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">return</span> mf;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</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="keywordtype">void</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"><a class="line" href="mmio_8h.html#a341a9c1cc8a3c4bddfd2d29a1b0993f6"> 240</a></span> <a class="code" href="mmio_8h.html#a341a9c1cc8a3c4bddfd2d29a1b0993f6">mmio_file_unmap</a>(<a class="code" href="structmmio__file__s.html">mmio_file_t</a> *mf)</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>  <span class="keywordflow">if</span> (mf == NULL)</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">if</span> (munmap(mf->ptr, mf->mapsize) < 0) {</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03">E_ERROR_SYSTEM</a>(<span class="stringliteral">"Failed to unmap %ld bytes at %p"</span>, mf->mapsize, mf->ptr);</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  }</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf">ckd_free</a>(mf);</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> }</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> <span class="keywordtype">void</span> *</div>
<div class="line"><a name="l00251"></a><span class="lineno"><a class="line" href="mmio_8h.html#a5e6d8bf5cd7785563abc18c70a31ce0d"> 251</a></span> <a class="code" href="mmio_8h.html#a5e6d8bf5cd7785563abc18c70a31ce0d">mmio_file_ptr</a>(<a class="code" href="structmmio__file__s.html">mmio_file_t</a> *mf)</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="keywordflow">return</span> mf->ptr;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> }</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="preprocessor">#endif </span><span class="comment">/* !__ADSPBLACKFIN__ */</span><span class="preprocessor"> </span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor">#endif </span><span class="comment">/* !(WINCE || WIN32) */</span><span class="preprocessor"></span></div>
<div class="ttc" id="ckd__alloc_8h_html_aa00ef21903bc4f8a972488417adc8d2e"><div class="ttname"><a href="ckd__alloc_8h.html#aa00ef21903bc4f8a972488417adc8d2e">ckd_calloc</a></div><div class="ttdeci">#define ckd_calloc(n, sz)</div><div class="ttdoc">Macros to simplify the use of above functions. </div><div class="ttdef"><b>Definition:</b> <a href="ckd__alloc_8h_source.html#l00248">ckd_alloc.h:248</a></div></div>
<div class="ttc" id="structmmio__file__s_html"><div class="ttname"><a href="structmmio__file__s.html">mmio_file_s</a></div><div class="ttdoc">Silvio Moioli: slightly updated. </div><div class="ttdef"><b>Definition:</b> <a href="mmio_8c_source.html#l00200">mmio.c:200</a></div></div>
<div class="ttc" id="ckd__alloc_8h_html"><div class="ttname"><a href="ckd__alloc_8h.html">ckd_alloc.h</a></div><div class="ttdoc">Sphinx's memory allocation/deallocation routines. </div></div>
<div class="ttc" id="mmio_8h_html_a341a9c1cc8a3c4bddfd2d29a1b0993f6"><div class="ttname"><a href="mmio_8h.html#a341a9c1cc8a3c4bddfd2d29a1b0993f6">mmio_file_unmap</a></div><div class="ttdeci">SPHINXBASE_EXPORT void mmio_file_unmap(mmio_file_t *mf)</div><div class="ttdoc">Unmap a file, releasing memory associated with it. </div><div class="ttdef"><b>Definition:</b> <a href="mmio_8c_source.html#l00240">mmio.c:240</a></div></div>
<div class="ttc" id="prim__type_8h_html"><div class="ttname"><a href="prim__type_8h.html">prim_type.h</a></div><div class="ttdoc">Basic type definitions used in Sphinx. </div></div>
<div class="ttc" id="ckd__alloc_8h_html_a31c6b405558620ac37599737b5722fbf"><div class="ttname"><a href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf">ckd_free</a></div><div class="ttdeci">SPHINXBASE_EXPORT void ckd_free(void *ptr)</div><div class="ttdoc">Test and free a 1-D array. </div><div class="ttdef"><b>Definition:</b> <a href="ckd__alloc_8c_source.html#l00241">ckd_alloc.c:241</a></div></div>
<div class="ttc" id="mmio_8h_html_a5e6d8bf5cd7785563abc18c70a31ce0d"><div class="ttname"><a href="mmio_8h.html#a5e6d8bf5cd7785563abc18c70a31ce0d">mmio_file_ptr</a></div><div class="ttdeci">SPHINXBASE_EXPORT void * mmio_file_ptr(mmio_file_t *mf)</div><div class="ttdoc">Get a pointer to the memory mapped for a file. </div><div class="ttdef"><b>Definition:</b> <a href="mmio_8c_source.html#l00251">mmio.c:251</a></div></div>
<div class="ttc" id="err_8h_html"><div class="ttname"><a href="err_8h.html">err.h</a></div><div class="ttdoc">Implementation of logging routines. </div></div>
<div class="ttc" id="err_8h_html_a1a4495946ab2449d61108fe829a94613"><div class="ttname"><a href="err_8h.html#a1a4495946ab2449d61108fe829a94613">E_FATAL</a></div><div class="ttdeci">#define E_FATAL</div><div class="ttdoc">Exit with non-zero status after error message. </div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00127">err.h:127</a></div></div>
<div class="ttc" id="err_8h_html_a5f7b2f58f5a663a6bdd51f197ae21993"><div class="ttname"><a href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993">E_ERROR</a></div><div class="ttdeci">#define E_ERROR</div><div class="ttdoc">Print error message to standard error stream. </div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00169">err.h:169</a></div></div>
<div class="ttc" id="err_8h_html_a54ffbfe898d74595c586a1f48f32ef03"><div class="ttname"><a href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03">E_ERROR_SYSTEM</a></div><div class="ttdeci">#define E_ERROR_SYSTEM</div><div class="ttdoc">Print error text; Call perror("");. </div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00142">err.h:142</a></div></div>
<div class="ttc" id="mmio_8h_html_ae3367a51a50a6108178ecfdd6c983c61"><div class="ttname"><a href="mmio_8h.html#ae3367a51a50a6108178ecfdd6c983c61">mmio_file_read</a></div><div class="ttdeci">SPHINXBASE_EXPORT mmio_file_t * mmio_file_read(const char *filename)</div><div class="ttdoc">Memory-map a file for reading. </div><div class="ttdef"><b>Definition:</b> <a href="mmio_8c_source.html#l00206">mmio.c:206</a></div></div>
<div class="ttc" id="mmio_8h_html"><div class="ttname"><a href="mmio_8h.html">mmio.h</a></div><div class="ttdoc">Memory-mapped I/O wrappers for files. </div></div>
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