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<a href="GzStream_8cc.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">| |</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">| __ __ ____ _____ ____ |</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">| \ \ / /_ _/ ___|_ _|___ \ |</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">| \ V / _` \___ \ | | __) | |</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">| | | (_| |___) || | / __/ |</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">| |_|\__,_|____/ |_| |_____| |</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">| core system |</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">| (C) SuSE Linux Products GmbH |</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">\----------------------------------------------------------------------/</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"> File: GzStream.cc</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> Author: Michael Andres <ma@suse.de></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> Maintainer: Michael Andres <ma@suse.de></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"> Purpose: Streams reading and writing gzip files.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">/-*/</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <cerrno></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <iostream></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="LogControl_8h.html">zypp/base/LogControl.h</a>"</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="LogTools_8h.html">zypp/base/LogTools.h</a>"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">using</span> std::endl;</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="preprocessor">#include "<a class="code" href="GzStream_8h.html">zypp/base/GzStream.h</a>"</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <sys/types.h></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <sys/stat.h></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <fcntl.h></span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span><a class="code" href="namespacezypp.html">zypp</a></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> { </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">namespace </span>gzstream_detail</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  { </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">//</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="comment">// CLASS NAME : ZlibError</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">//</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"></span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="comment">//</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment">// METHOD NAME : ZlibError::strerror</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// METHOD TYPE : std::string</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">//</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  std::string</div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="structzypp_1_1gzstream__detail_1_1ZlibError.html#a885ba64fa6c45dd4779ab5b28bdb1122"> 54</a></span>  <a class="code" href="structzypp_1_1gzstream__detail_1_1ZlibError.html#a885ba64fa6c45dd4779ab5b28bdb1122">ZlibError::strerror</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  std::string ret = ( <a class="code" href="structzypp_1_1gzstream__detail_1_1ZlibError.html#a836b2e65685be280d23f31488373582b">_zError</a> ? ::zError( <a class="code" href="structzypp_1_1gzstream__detail_1_1ZlibError.html#a836b2e65685be280d23f31488373582b">_zError</a> ) : <span class="stringliteral">"OK"</span> );</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">if</span> ( <a class="code" href="structzypp_1_1gzstream__detail_1_1ZlibError.html#a836b2e65685be280d23f31488373582b">_zError</a> == Z_ERRNO )</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  ret += std::string(<span class="stringliteral">"("</span>) + <a class="code" href="structzypp_1_1gzstream__detail_1_1ZlibError.html#a885ba64fa6c45dd4779ab5b28bdb1122">::strerror</a>( <a class="code" href="structzypp_1_1gzstream__detail_1_1ZlibError.html#a7f7beb749ec6a3f9fa3b943fbf11a4fe">_errno</a> ) + <span class="stringliteral">")"</span>;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">//</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// CLASS NAME : fgzstreambuf</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">//</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"></span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">//</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// METHOD NAME : fgzstreambuf::open</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// METHOD TYPE : fgzstreambuf *</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">//</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html">fgzstreambuf</a> *</div><div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a7604645272e00abc8c00834089dfa662"> 74</a></span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a7604645272e00abc8c00834089dfa662">fgzstreambuf::open</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> * name_r, std::ios_base::openmode mode_r )</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html">fgzstreambuf</a> * ret = NULL;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">if</span> ( ! <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a666aca22fccd67c6b2d4cb35e5057298">isOpen</a>() )</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  {</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// we expect gzdopen to handle errors of ::open</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> ( mode_r == std::ios_base::in )</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>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ab8a50d664ab4015f17f28125279e7ddf">_fd</a> = <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a7604645272e00abc8c00834089dfa662">::open</a>( name_r, O_RDONLY | O_CLOEXEC );</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a8b054e9e5289a52c35714e8052c93188">_file</a> = gzdopen( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ab8a50d664ab4015f17f28125279e7ddf">_fd</a>, <span class="stringliteral">"rb"</span> );</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">else</span> <span class="keywordflow">if</span> ( mode_r == std::ios_base::out )</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  {</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ab8a50d664ab4015f17f28125279e7ddf">_fd</a> = <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a7604645272e00abc8c00834089dfa662">::open</a>( name_r, O_WRONLY|O_CREAT|O_CLOEXEC, 0666 );</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a8b054e9e5289a52c35714e8052c93188">_file</a> = gzdopen( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ab8a50d664ab4015f17f28125279e7ddf">_fd</a>, <span class="stringliteral">"wb"</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="comment">// else: not supported</span></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>  <span class="keywordflow">if</span> ( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a666aca22fccd67c6b2d4cb35e5057298">isOpen</a>() )</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>  <span class="comment">// Store mode and initialize the internal buffer.</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#aafe0175321b9e5113516d1cb0f8ccc5b">_mode</a> = mode_r;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> ( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ab8a648df6f5f43de5e1b4f54c4935606">inReadMode</a>() )</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>  setp( NULL, NULL );</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  setg( &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]), &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]), &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]) );</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">else</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  {</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  setp( &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]), &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>.size()-1]) );</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  setg( NULL, NULL, NULL );</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  ret = <span class="keyword">this</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="keywordflow">else</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#abc1f7b4e819ecfd970091d964c2b9959">setZError</a>();</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>  <span class="keywordflow">return</span> ret;</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> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">//</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// METHOD NAME : fgzstreambuf::close</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// METHOD TYPE : fgzstreambuf *</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">//</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html">fgzstreambuf</a> *</div><div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#aa3911b5550322f7681aaac7792d5dbe1"> 120</a></span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#aa3911b5550322f7681aaac7792d5dbe1">fgzstreambuf::close</a>()</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>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html">fgzstreambuf</a> * ret = NULL;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> ( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a666aca22fccd67c6b2d4cb35e5057298">isOpen</a>() )</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="keywordtype">bool</span> failed = <span class="keyword">false</span>;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">if</span> ( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ad87cefef6289e3a3fef8857127d5b143">sync</a>() != 0 )</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  failed = <span class="keyword">true</span>;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// it also closes _fd, fine</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordtype">int</span> r = gzclose( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a8b054e9e5289a52c35714e8052c93188">_file</a> );</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> ( r != Z_OK )</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  {</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  failed = <span class="keyword">true</span>;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// DONT call setZError() here, as _file is no longer valid</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a7ad57ead4927edf884c2b83e33f12594">_error</a>.<a class="code" href="structzypp_1_1gzstream__detail_1_1ZlibError.html#a836b2e65685be280d23f31488373582b">_zError</a> = r;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a7ad57ead4927edf884c2b83e33f12594">_error</a>.<a class="code" href="structzypp_1_1gzstream__detail_1_1ZlibError.html#a7f7beb749ec6a3f9fa3b943fbf11a4fe">_errno</a> = errno;</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> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// Reset everything</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ab8a50d664ab4015f17f28125279e7ddf">_fd</a> = -1;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a8b054e9e5289a52c35714e8052c93188">_file</a> = NULL;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#aafe0175321b9e5113516d1cb0f8ccc5b">_mode</a> = std::ios_base::openmode(0);</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  setp( NULL, NULL );</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  setg( NULL, NULL, NULL );</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> ( ! failed )</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  ret = <span class="keyword">this</span>;</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">return</span> ret;</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> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">//</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">// METHOD NAME : fgzstreambuf::sync</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">// METHOD TYPE : int</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">//</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">int</span></div><div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ad87cefef6289e3a3fef8857127d5b143"> 156</a></span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ad87cefef6289e3a3fef8857127d5b143">fgzstreambuf::sync</a>()</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>  <span class="keywordtype">int</span> ret = 0;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> ( pbase() < pptr() ) {</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">const</span> int_type res = <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9d1e0679e3c244ed2a5b2b0987f46697">overflow</a>();</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> ( traits_type::eq_int_type( res, traits_type::eof() ) )</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  ret = -1;</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>  <span class="keywordflow">return</span> ret;</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="l00168"></a><span class="lineno"> 168</span>  <span class="comment">//</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">// METHOD NAME : fgzstreambuf::overflow</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// METHOD TYPE : fgzstreambuf::int_type</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="comment">//</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  fgzstreambuf::int_type</div><div class="line"><a name="l00173"></a><span class="lineno"><a class="line" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9d1e0679e3c244ed2a5b2b0987f46697"> 173</a></span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9d1e0679e3c244ed2a5b2b0987f46697">fgzstreambuf::overflow</a>( int_type c )</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  {</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  int_type ret = traits_type::eof();</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">if</span> ( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a71ced84592ec89878905dfb19aaa7602">inWriteMode</a>() )</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> ( ! traits_type::eq_int_type( c, traits_type::eof() ) )</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>  *pptr() = traits_type::to_char_type( c );</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  pbump(1);</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>  <span class="keywordflow">if</span> ( pbase() <= pptr() )</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  {</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> ( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ac785665d42e61774daec09b9fc67e4d3">zWriteFrom</a>( pbase(), pptr() - pbase() ) )</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>  setp( &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]), &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>.size()-1]) );</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  ret = traits_type::not_eof( c );</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>  <span class="comment">// else: error writing the file</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="keywordflow">return</span> ret;</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="l00197"></a><span class="lineno"> 197</span>  <span class="comment">//</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">// METHOD NAME : fgzstreambuf::underflow</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// METHOD TYPE : fgzstreambuf::int_type</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">//</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  fgzstreambuf::int_type</div><div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ab186686e8392755c5e22237a4b66e871"> 202</a></span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ab186686e8392755c5e22237a4b66e871">fgzstreambuf::underflow</a>()</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>  int_type ret = traits_type::eof();</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span> ( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ab8a648df6f5f43de5e1b4f54c4935606">inReadMode</a>() )</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  {</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">if</span> ( gptr() < egptr() )</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">return</span> traits_type::to_int_type( *gptr() );</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="keyword">const</span> std::streamsize got = <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#aeb333bc0e2811b61547b7ac6f4309537">zReadTo</a>( &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]), <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>.size() );</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">if</span> ( got > 0 )</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  {</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  setg( &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]), &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]), &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>.data()[got]) );</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  ret = traits_type::to_int_type( *gptr() );</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  }</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( got == 0 )</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="comment">// EOF</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  setg( &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]), &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]), &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]) );</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="comment">// else: error reading the file</span></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>  <span class="keywordflow">return</span> ret;</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> </div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">//</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// METHOD NAME : fgzstreambuf::zReadTo</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// METHOD TYPE : std::streamsize</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">//</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  std::streamsize</div><div class="line"><a name="l00232"></a><span class="lineno"><a class="line" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#aeb333bc0e2811b61547b7ac6f4309537"> 232</a></span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#aeb333bc0e2811b61547b7ac6f4309537">fgzstreambuf::zReadTo</a>( <span class="keywordtype">char</span> * buffer_r, std::streamsize maxcount_r )</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  {</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordtype">int</span> <a class="code" href="namespacezypp_1_1base_1_1sysconfig.html#a7143baad1cef04b5fa432d20e4491d1e">read</a> = gzread( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a8b054e9e5289a52c35714e8052c93188">_file</a>, buffer_r, maxcount_r );</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">if</span> ( <a class="code" href="namespacezypp_1_1base_1_1sysconfig.html#a7143baad1cef04b5fa432d20e4491d1e">read</a> < 0 )</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#abc1f7b4e819ecfd970091d964c2b9959">setZError</a>();</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">return</span> <a class="code" href="namespacezypp_1_1base_1_1sysconfig.html#a7143baad1cef04b5fa432d20e4491d1e">read</a>;</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> </div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="comment">//</span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">// METHOD NAME : fgzstreambuf::zWriteFrom</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="comment">// METHOD TYPE : bool</span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="comment">//</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00246"></a><span class="lineno"><a class="line" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ac785665d42e61774daec09b9fc67e4d3"> 246</a></span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ac785665d42e61774daec09b9fc67e4d3">fgzstreambuf::zWriteFrom</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> * buffer_r, std::streamsize count_r )</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  {</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordtype">int</span> written = 0;</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">if</span> ( count_r )</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="keywordflow">if</span> ( (written = gzwrite( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a8b054e9e5289a52c35714e8052c93188">_file</a>, buffer_r, count_r )) == 0 )</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#abc1f7b4e819ecfd970091d964c2b9959">setZError</a>();</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  }</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">return</span>( written == count_r );</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">//</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="comment">// METHOD NAME : fgzstreambuf::zSeekTo</span></div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="comment">// METHOD TYPE : fgzstreambuf::pos_type</span></div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">//</span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  fgzstreambuf::pos_type</div><div class="line"><a name="l00263"></a><span class="lineno"><a class="line" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a70ffc35d25aa73a1accc360d782f48b5"> 263</a></span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a70ffc35d25aa73a1accc360d782f48b5">fgzstreambuf::zSeekTo</a>( off_type off_r, std::ios_base::seekdir way_r )</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>  z_off_t ret = gzseek( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a8b054e9e5289a52c35714e8052c93188">_file</a>, off_r, way_r );</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">if</span> ( ret == -1 )</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#abc1f7b4e819ecfd970091d964c2b9959">setZError</a>();</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">return</span> ret;</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> </div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">//</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="comment">// METHOD NAME : fgzstreambuf::zTell</span></div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">// METHOD TYPE : fgzstreambuf::pos_type</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="comment">//</span></div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  fgzstreambuf::pos_type</div><div class="line"><a name="l00277"></a><span class="lineno"><a class="line" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a904f75cf54403bff7af8348287fbdc7c"> 277</a></span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a904f75cf54403bff7af8348287fbdc7c">fgzstreambuf::zTell</a>()</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  {</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  z_off_t ret = gztell( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a8b054e9e5289a52c35714e8052c93188">_file</a> );</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">if</span> ( ret == -1 )</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#abc1f7b4e819ecfd970091d964c2b9959">setZError</a>();</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  }</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span> </div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="comment">//</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="comment">// METHOD NAME : fgzstreambuf::seekTo</span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="comment">// METHOD TYPE : fgzstreambuf::pos_type</span></div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">//</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  fgzstreambuf::pos_type</div><div class="line"><a name="l00291"></a><span class="lineno"><a class="line" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a87c46aca3c5845724ec5cb402798cad5"> 291</a></span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a87c46aca3c5845724ec5cb402798cad5">fgzstreambuf::seekTo</a>( off_type off_r, std::ios_base::seekdir way_r )</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  {</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  pos_type ret = pos_type(off_type(-1));</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">if</span> ( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a666aca22fccd67c6b2d4cb35e5057298">isOpen</a>() )</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  {</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">if</span> ( <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a71ced84592ec89878905dfb19aaa7602">inWriteMode</a>() )</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="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ad87cefef6289e3a3fef8857127d5b143">sync</a>() == 0 )</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  ret = <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a70ffc35d25aa73a1accc360d782f48b5">zSeekTo</a>( off_r, way_r );</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">else</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>  off_type zegptr = <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a904f75cf54403bff7af8348287fbdc7c">zTell</a>();</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">if</span> ( zegptr != off_type(-1) )</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  {</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">if</span> ( way_r == std::ios_base::end )</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>  <span class="comment">// Invalidate buffer and seek.</span></div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="comment">// XXX improve by transformation into ios_base::beg</span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="comment">// to see whether we stay inside the buffer.</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  setg( &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]), &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]), &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]) );</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  ret = <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a70ffc35d25aa73a1accc360d782f48b5">zSeekTo</a>( off_r, way_r );</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  }</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  {</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="comment">// Transform into ios_base::beg and seek.</span></div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  off_type zeback = zegptr - ( egptr() - eback() );</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  off_type zgptr = zegptr - ( egptr() - gptr() );</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  off_type zngptr = off_r;</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">if</span> ( way_r == std::ios_base::cur )</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  {</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  zngptr += zgptr;</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  way_r = std::ios_base::beg;</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  }</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span> </div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">if</span> ( way_r == std::ios_base::beg )</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  {</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">if</span> ( zeback <= zngptr && zngptr <= zegptr )</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  {</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="comment">// Still inside buffer, adjust gptr and</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="comment">// calculate new position.</span></div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  setg( eback(),</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  eback() + (zngptr-zeback),</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  egptr() );</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  ret = pos_type(zngptr);</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  }</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  {</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="comment">// Invalidate buffer and seek.</span></div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  setg( &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]), &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]), &(<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">_buffer</a>[0]) );</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  ret = <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a70ffc35d25aa73a1accc360d782f48b5">zSeekTo</a>( off_r, way_r );</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  }</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  }</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  }</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  }</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  }</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  }</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  }</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> </div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  fgzstreambuf::pos_type</div><div class="line"><a name="l00352"></a><span class="lineno"><a class="line" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a151d3d30cbca090dfcbd5436796e3324"> 352</a></span>  <a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a151d3d30cbca090dfcbd5436796e3324">fgzstreambuf::compressed_tell</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  off_t pos = lseek (<a class="code" href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ab8a50d664ab4015f17f28125279e7ddf">_fd</a>, 0, SEEK_CUR);</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="comment">// hopefully the conversion is ok</span></div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">return</span> pos;</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  }</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span> </div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  } <span class="comment">// namespace gzstream_detail</span></div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment"></span>} <span class="comment">// namespace zypp</span></div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="comment"></span></div><div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_a7ad57ead4927edf884c2b83e33f12594"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a7ad57ead4927edf884c2b83e33f12594">zypp::gzstream_detail::fgzstreambuf::_error</a></div><div class="ttdeci">ZlibError _error</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8h_source.html#l00162">GzStream.h:162</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_a70ffc35d25aa73a1accc360d782f48b5"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a70ffc35d25aa73a1accc360d782f48b5">zypp::gzstream_detail::fgzstreambuf::zSeekTo</a></div><div class="ttdeci">pos_type zSeekTo(off_type off_r, std::ios_base::seekdir way_r)</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8cc_source.html#l00263">GzStream.cc:263</a></div></div>
<div class="ttc" id="GzStream_8h_html"><div class="ttname"><a href="GzStream_8h.html">GzStream.h</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_ac785665d42e61774daec09b9fc67e4d3"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ac785665d42e61774daec09b9fc67e4d3">zypp::gzstream_detail::fgzstreambuf::zWriteFrom</a></div><div class="ttdeci">bool zWriteFrom(const char *buffer_r, std::streamsize count_r)</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8cc_source.html#l00246">GzStream.cc:246</a></div></div>
<div class="ttc" id="structzypp_1_1gzstream__detail_1_1ZlibError_html_a7f7beb749ec6a3f9fa3b943fbf11a4fe"><div class="ttname"><a href="structzypp_1_1gzstream__detail_1_1ZlibError.html#a7f7beb749ec6a3f9fa3b943fbf11a4fe">zypp::gzstream_detail::ZlibError::_errno</a></div><div class="ttdeci">int _errno</div><div class="ttdoc">errno, valid if zError is Z_ERRNO</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8h_source.html#l00053">GzStream.h:53</a></div></div>
<div class="ttc" id="namespacezypp_1_1base_1_1sysconfig_html_a7143baad1cef04b5fa432d20e4491d1e"><div class="ttname"><a href="namespacezypp_1_1base_1_1sysconfig.html#a7143baad1cef04b5fa432d20e4491d1e">zypp::base::sysconfig::read</a></div><div class="ttdeci">map< string, string > read(const Pathname &_path)</div><div class="ttdoc">Read sysconfig file path_r and return (key,valye) pairs.</div><div class="ttdef"><b>Definition:</b> <a href="Sysconfig_8cc_source.html#l00034">Sysconfig.cc:34</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_ab8a50d664ab4015f17f28125279e7ddf"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ab8a50d664ab4015f17f28125279e7ddf">zypp::gzstream_detail::fgzstreambuf::_fd</a></div><div class="ttdeci">int _fd</div><div class="ttdoc">file descriptor of the compressed file</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8h_source.html#l00154">GzStream.h:154</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_a87c46aca3c5845724ec5cb402798cad5"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a87c46aca3c5845724ec5cb402798cad5">zypp::gzstream_detail::fgzstreambuf::seekTo</a></div><div class="ttdeci">pos_type seekTo(off_type off_r, std::ios_base::seekdir way_r)</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8cc_source.html#l00291">GzStream.cc:291</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_aa3911b5550322f7681aaac7792d5dbe1"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#aa3911b5550322f7681aaac7792d5dbe1">zypp::gzstream_detail::fgzstreambuf::close</a></div><div class="ttdeci">fgzstreambuf * close()</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8cc_source.html#l00120">GzStream.cc:120</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_aafe0175321b9e5113516d1cb0f8ccc5b"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#aafe0175321b9e5113516d1cb0f8ccc5b">zypp::gzstream_detail::fgzstreambuf::_mode</a></div><div class="ttdeci">std::ios_base::openmode _mode</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8h_source.html#l00158">GzStream.h:158</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_a9ba3c6518c6f2aa89d3870187dd24ef7"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9ba3c6518c6f2aa89d3870187dd24ef7">zypp::gzstream_detail::fgzstreambuf::_buffer</a></div><div class="ttdeci">buffer_type _buffer</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8h_source.html#l00160">GzStream.h:160</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_a904f75cf54403bff7af8348287fbdc7c"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a904f75cf54403bff7af8348287fbdc7c">zypp::gzstream_detail::fgzstreambuf::zTell</a></div><div class="ttdeci">pos_type zTell()</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8cc_source.html#l00277">GzStream.cc:277</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_ab8a648df6f5f43de5e1b4f54c4935606"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ab8a648df6f5f43de5e1b4f54c4935606">zypp::gzstream_detail::fgzstreambuf::inReadMode</a></div><div class="ttdeci">bool inReadMode() const</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8h_source.html#l00106">GzStream.h:106</a></div></div>
<div class="ttc" id="LogControl_8h_html"><div class="ttname"><a href="LogControl_8h.html">LogControl.h</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_ad87cefef6289e3a3fef8857127d5b143"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ad87cefef6289e3a3fef8857127d5b143">zypp::gzstream_detail::fgzstreambuf::sync</a></div><div class="ttdeci">virtual int sync()</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8cc_source.html#l00156">GzStream.cc:156</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_a9d1e0679e3c244ed2a5b2b0987f46697"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a9d1e0679e3c244ed2a5b2b0987f46697">zypp::gzstream_detail::fgzstreambuf::overflow</a></div><div class="ttdeci">virtual int_type overflow(int_type c=traits_type::eof())</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8cc_source.html#l00173">GzStream.cc:173</a></div></div>
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<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_a666aca22fccd67c6b2d4cb35e5057298"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a666aca22fccd67c6b2d4cb35e5057298">zypp::gzstream_detail::fgzstreambuf::isOpen</a></div><div class="ttdeci">bool isOpen() const</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8h_source.html#l00102">GzStream.h:102</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_aeb333bc0e2811b61547b7ac6f4309537"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#aeb333bc0e2811b61547b7ac6f4309537">zypp::gzstream_detail::fgzstreambuf::zReadTo</a></div><div class="ttdeci">std::streamsize zReadTo(char *buffer_r, std::streamsize maxcount_r)</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8cc_source.html#l00232">GzStream.cc:232</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_a151d3d30cbca090dfcbd5436796e3324"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a151d3d30cbca090dfcbd5436796e3324">zypp::gzstream_detail::fgzstreambuf::compressed_tell</a></div><div class="ttdeci">pos_type compressed_tell() const</div><div class="ttdoc">Tell the file position in the compressed file.</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8cc_source.html#l00352">GzStream.cc:352</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_ab186686e8392755c5e22237a4b66e871"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#ab186686e8392755c5e22237a4b66e871">zypp::gzstream_detail::fgzstreambuf::underflow</a></div><div class="ttdeci">virtual int_type underflow()</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8cc_source.html#l00202">GzStream.cc:202</a></div></div>
<div class="ttc" id="structzypp_1_1gzstream__detail_1_1ZlibError_html_a836b2e65685be280d23f31488373582b"><div class="ttname"><a href="structzypp_1_1gzstream__detail_1_1ZlibError.html#a836b2e65685be280d23f31488373582b">zypp::gzstream_detail::ZlibError::_zError</a></div><div class="ttdeci">int _zError</div><div class="ttdoc">The zlib error code.</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8h_source.html#l00048">GzStream.h:48</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_a8b054e9e5289a52c35714e8052c93188"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a8b054e9e5289a52c35714e8052c93188">zypp::gzstream_detail::fgzstreambuf::_file</a></div><div class="ttdeci">gzFile _file</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8h_source.html#l00156">GzStream.h:156</a></div></div>
<div class="ttc" id="structzypp_1_1gzstream__detail_1_1ZlibError_html_a885ba64fa6c45dd4779ab5b28bdb1122"><div class="ttname"><a href="structzypp_1_1gzstream__detail_1_1ZlibError.html#a885ba64fa6c45dd4779ab5b28bdb1122">zypp::gzstream_detail::ZlibError::strerror</a></div><div class="ttdeci">std::string strerror() const</div><div class="ttdoc">Return string describing the zlib error code.</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8cc_source.html#l00054">GzStream.cc:54</a></div></div>
<div class="ttc" id="namespacezypp_html"><div class="ttname"><a href="namespacezypp.html">zypp</a></div><div class="ttdoc">Easy-to use interface to the ZYPP dependency resolver.</div><div class="ttdef"><b>Definition:</b> <a href="CodePitfalls_8doc_source.html#l00001">CodePitfalls.doc:1</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_a71ced84592ec89878905dfb19aaa7602"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a71ced84592ec89878905dfb19aaa7602">zypp::gzstream_detail::fgzstreambuf::inWriteMode</a></div><div class="ttdeci">bool inWriteMode() const</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8h_source.html#l00110">GzStream.h:110</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html">zypp::gzstream_detail::fgzstreambuf</a></div><div class="ttdoc">Streambuffer reading or writing gzip files.</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8h_source.html#l00086">GzStream.h:86</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_a7604645272e00abc8c00834089dfa662"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#a7604645272e00abc8c00834089dfa662">zypp::gzstream_detail::fgzstreambuf::open</a></div><div class="ttdeci">fgzstreambuf * open(const char *name_r, std::ios_base::openmode mode_r=std::ios_base::in)</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8cc_source.html#l00074">GzStream.cc:74</a></div></div>
<div class="ttc" id="classzypp_1_1gzstream__detail_1_1fgzstreambuf_html_abc1f7b4e819ecfd970091d964c2b9959"><div class="ttname"><a href="classzypp_1_1gzstream__detail_1_1fgzstreambuf.html#abc1f7b4e819ecfd970091d964c2b9959">zypp::gzstream_detail::fgzstreambuf::setZError</a></div><div class="ttdeci">void setZError()</div><div class="ttdef"><b>Definition:</b> <a href="GzStream_8h_source.html#l00167">GzStream.h:167</a></div></div>
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