cpl__port_8h-source.html

gdal库的学习文档

<a name="l00104"></a>00104 <span class="comment">/* ==================================================================== */</span>
<a name="l00105"></a>00105 
<a name="l00106"></a>00106 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00107"></a>00107 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
<a name="l00108"></a>00108 <span class="preprocessor">#include &lt;math.h&gt;</span>
<a name="l00109"></a>00109 <span class="preprocessor">#include &lt;stdarg.h&gt;</span>
<a name="l00110"></a>00110 <span class="preprocessor">#include &lt;string.h&gt;</span>
<a name="l00111"></a>00111 <span class="preprocessor">#include &lt;ctype.h&gt;</span>
<a name="l00112"></a>00112 
<a name="l00113"></a>00113 <span class="preprocessor">#if !defined(WIN32CE)</span>
<a name="l00114"></a>00114 <span class="preprocessor"></span><span class="preprocessor">#  include &lt;time.h&gt;</span>
<a name="l00115"></a>00115 <span class="preprocessor">#else</span>
<a name="l00116"></a>00116 <span class="preprocessor"></span><span class="preprocessor">#  include &lt;wce_time.h&gt;</span>
<a name="l00117"></a>00117 <span class="preprocessor">#  include &lt;wce_errno.h&gt;</span>
<a name="l00118"></a>00118 <span class="preprocessor">#endif</span>
<a name="l00119"></a>00119 <span class="preprocessor"></span>
<a name="l00120"></a>00120 
<a name="l00121"></a>00121 <span class="preprocessor">#if defined(HAVE_ERRNO_H)</span>
<a name="l00122"></a>00122 <span class="preprocessor"></span><span class="preprocessor">#  include &lt;errno.h&gt;</span>
<a name="l00123"></a>00123 <span class="preprocessor">#endif </span>
<a name="l00124"></a>00124 <span class="preprocessor"></span>
<a name="l00125"></a>00125 <span class="preprocessor">#ifdef HAVE_LOCALE_H</span>
<a name="l00126"></a>00126 <span class="preprocessor"></span><span class="preprocessor">#  include &lt;locale.h&gt;</span>
<a name="l00127"></a>00127 <span class="preprocessor">#endif</span>
<a name="l00128"></a>00128 <span class="preprocessor"></span>
<a name="l00129"></a>00129 <span class="preprocessor">#ifdef HAVE_DIRECT_H</span>
<a name="l00130"></a>00130 <span class="preprocessor"></span><span class="preprocessor">#  include &lt;direct.h&gt;</span>
<a name="l00131"></a>00131 <span class="preprocessor">#endif</span>
<a name="l00132"></a>00132 <span class="preprocessor"></span>
<a name="l00133"></a>00133 <span class="preprocessor">#ifdef _AIX</span>
<a name="l00134"></a>00134 <span class="preprocessor"></span><span class="preprocessor">#  include &lt;strings.h&gt;</span>
<a name="l00135"></a>00135 <span class="preprocessor">#endif</span>
<a name="l00136"></a>00136 <span class="preprocessor"></span>
<a name="l00137"></a>00137 <span class="preprocessor">#if defined(HAVE_LIBDBMALLOC) &amp;&amp; defined(HAVE_DBMALLOC_H) &amp;&amp; defined(DEBUG)</span>
<a name="l00138"></a>00138 <span class="preprocessor"></span><span class="preprocessor">#  define DBMALLOC</span>
<a name="l00139"></a>00139 <span class="preprocessor"></span><span class="preprocessor">#  include &lt;dbmalloc.h&gt;</span>
<a name="l00140"></a>00140 <span class="preprocessor">#endif</span>
<a name="l00141"></a>00141 <span class="preprocessor"></span>
<a name="l00142"></a>00142 <span class="preprocessor">#if !defined(DBMALLOC) &amp;&amp; defined(HAVE_DMALLOC_H)</span>
<a name="l00143"></a>00143 <span class="preprocessor"></span><span class="preprocessor">#  define USE_DMALLOC</span>
<a name="l00144"></a>00144 <span class="preprocessor"></span><span class="preprocessor">#  include &lt;dmalloc.h&gt;</span>
<a name="l00145"></a>00145 <span class="preprocessor">#endif</span>
<a name="l00146"></a>00146 <span class="preprocessor"></span>
<a name="l00147"></a>00147 <span class="comment">/* ==================================================================== */</span>
<a name="l00148"></a>00148 <span class="comment">/*      Base portability stuff ... this stuff may need to be            */</span>
<a name="l00149"></a>00149 <span class="comment">/*      modified for new platforms.                                     */</span>
<a name="l00150"></a>00150 <span class="comment">/* ==================================================================== */</span>
<a name="l00151"></a>00151 
<a name="l00152"></a>00152 <span class="comment">/*---------------------------------------------------------------------</span>
<a name="l00153"></a>00153 <span class="comment"> *        types for 16 and 32 bits integers, etc...</span>
<a name="l00154"></a>00154 <span class="comment"> *--------------------------------------------------------------------*/</span>
<a name="l00155"></a>00155 <span class="preprocessor">#if UINT_MAX == 65535</span>
<a name="l00156"></a>00156 <span class="preprocessor"></span><span class="keyword">typedef</span> <span class="keywordtype">long</span>            GInt32;
<a name="l00157"></a>00157 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>   GUInt32;
<a name="l00158"></a>00158 <span class="preprocessor">#else</span>
<a name="l00159"></a>00159 <span class="preprocessor"></span><span class="keyword">typedef</span> <span class="keywordtype">int</span>             GInt32;
<a name="l00160"></a>00160 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>    GUInt32;
<a name="l00161"></a>00161 <span class="preprocessor">#endif</span>
<a name="l00162"></a>00162 <span class="preprocessor"></span>
<a name="l00163"></a>00163 <span class="keyword">typedef</span> <span class="keywordtype">short</span>           GInt16;
<a name="l00164"></a>00164 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span>  GUInt16;
<a name="l00165"></a>00165 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>   GByte;
<a name="l00166"></a>00166 <span class="keyword">typedef</span> <span class="keywordtype">int</span>             GBool;
<a name="l00167"></a>00167 
<a name="l00168"></a>00168 <span class="comment">/* -------------------------------------------------------------------- */</span>
<a name="l00169"></a>00169 <span class="comment">/*      64bit support                                                   */</span>
<a name="l00170"></a>00170 <span class="comment">/* -------------------------------------------------------------------- */</span>
<a name="l00171"></a>00171 
<a name="l00172"></a>00172 <span class="preprocessor">#if defined(WIN32) &amp;&amp; defined(_MSC_VER)</span>
<a name="l00173"></a>00173 <span class="preprocessor"></span>
<a name="l00174"></a>00174 <span class="preprocessor">#define VSI_LARGE_API_SUPPORTED</span>
<a name="l00175"></a>00175 <span class="preprocessor"></span><span class="keyword">typedef</span> __int64          GIntBig;
<a name="l00176"></a>00176 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> __int64 GUIntBig;
<a name="l00177"></a>00177 
<a name="l00178"></a>00178 <span class="preprocessor">#elif HAVE_LONG_LONG</span>
<a name="l00179"></a>00179 <span class="preprocessor"></span>
<a name="l00180"></a>00180 <span class="keyword">typedef</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span>        GIntBig;
<a name="l00181"></a>00181 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> GUIntBig;
<a name="l00182"></a>00182 
<a name="l00183"></a>00183 <span class="preprocessor">#else</span>
<a name="l00184"></a>00184 <span class="preprocessor"></span>
<a name="l00185"></a>00185 <span class="keyword">typedef</span> <span class="keywordtype">long</span>             GIntBig;
<a name="l00186"></a>00186 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>    GUIntBig;
<a name="l00187"></a>00187 
<a name="l00188"></a>00188 <span class="preprocessor">#endif</span>
<a name="l00189"></a>00189 <span class="preprocessor"></span>
<a name="l00190"></a>00190 <span class="comment">/* ==================================================================== */</span>
<a name="l00191"></a>00191 <span class="comment">/*      Other standard services.                                        */</span>
<a name="l00192"></a>00192 <span class="comment">/* ==================================================================== */</span>
<a name="l00193"></a>00193 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00194"></a>00194 <span class="preprocessor"></span><span class="preprocessor">#  define CPL_C_START           extern "C" {</span>
<a name="l00195"></a>00195 <span class="preprocessor"></span><span class="preprocessor">#  define CPL_C_END             }</span>
<a name="l00196"></a>00196 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00197"></a>00197 <span class="preprocessor"></span><span class="preprocessor">#  define CPL_C_START</span>
<a name="l00198"></a>00198 <span class="preprocessor"></span><span class="preprocessor">#  define CPL_C_END</span>
<a name="l00199"></a>00199 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00200"></a>00200 <span class="preprocessor"></span>
<a name="l00201"></a>00201 <span class="preprocessor">#ifndef CPL_DLL</span>
<a name="l00202"></a>00202 <span class="preprocessor"></span><span class="preprocessor">#if defined(_MSC_VER) &amp;&amp; !defined(CPL_DISABLE_DLL)</span>
<a name="l00203"></a>00203 <span class="preprocessor"></span><span class="preprocessor">#  define CPL_DLL     __declspec(dllexport)</span>
<a name="l00204"></a>00204 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00205"></a>00205 <span class="preprocessor"></span><span class="preprocessor">#  define CPL_DLL</span>
<a name="l00206"></a>00206 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00207"></a>00207 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00208"></a>00208 <span class="preprocessor"></span>
<a name="l00209"></a>00209 <span class="comment">// Should optional (normally private) interfaces be exported?</span>
<a name="l00210"></a>00210 <span class="preprocessor">#ifdef CPL_OPTIONAL_APIS</span>
<a name="l00211"></a>00211 <span class="preprocessor"></span><span class="preprocessor">#  define CPL_ODLL CPL_DLL</span>
<a name="l00212"></a>00212 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00213"></a>00213 <span class="preprocessor"></span><span class="preprocessor">#  define CPL_ODLL</span>
<a name="l00214"></a>00214 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00215"></a>00215 <span class="preprocessor"></span>
<a name="l00216"></a>00216 <span class="preprocessor">#ifndef CPL_STDCALL</span>
<a name="l00217"></a>00217 <span class="preprocessor"></span><span class="preprocessor">#if defined(_MSC_VER) &amp;&amp; !defined(CPL_DISABLE_STDCALL)</span>
<a name="l00218"></a>00218 <span class="preprocessor"></span><span class="preprocessor">#  define CPL_STDCALL     __stdcall</span>