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<hr><h1>cpl_dir.cpp</h1><div class="fragment"><pre>00001 <font class="comment">/**********************************************************************</font>
00002 <font class="comment"> * $Id: cpl_dir_cpp-source.html,v 1.10 2002/04/16 13:11:47 warmerda Exp $</font>
00003 <font class="comment"> *</font>
00004 <font class="comment"> * Name: cpl_dir.cpp</font>
00005 <font class="comment"> * Project: CPL - Common Portability Library</font>
00006 <font class="comment"> * Purpose: Directory manipulation.</font>
00007 <font class="comment"> * Author: Daniel Morissette, danmo@videotron.ca</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> **********************************************************************</font>
00010 <font class="comment"> * Copyright (c) 1998, Daniel Morissette</font>
00011 <font class="comment"> *</font>
00012 <font class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</font>
00013 <font class="comment"> * copy of this software and associated documentation files (the "Software"),</font>
00014 <font class="comment"> * to deal in the Software without restriction, including without limitation</font>
00015 <font class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</font>
00016 <font class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</font>
00017 <font class="comment"> * Software is furnished to do so, subject to the following conditions:</font>
00018 <font class="comment"> * </font>
00019 <font class="comment"> * The above copyright notice and this permission notice shall be included</font>
00020 <font class="comment"> * in all copies or substantial portions of the Software.</font>
00021 <font class="comment"> * </font>
00022 <font class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</font>
00023 <font class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</font>
00024 <font class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL</font>
00025 <font class="comment"> * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</font>
00026 <font class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</font>
00027 <font class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER </font>
00028 <font class="comment"> * DEALINGS IN THE SOFTWARE.</font>
00029 <font class="comment"> **********************************************************************</font>
00030 <font class="comment"> *</font>
00031 <font class="comment"> * $Log: cpl_dir_cpp-source.html,v $
00031 <font class="comment"> * Revision 1.10 2002/04/16 13:11:47 warmerda
00031 <font class="comment"> * updated
00031 <font class="comment"> *</font>
00032 <font class="comment"> * Revision 1.4 2001/07/18 04:00:49 warmerda</font>
00033 <font class="comment"> * added CPL_CVSID</font>
00034 <font class="comment"> *</font>
00035 <font class="comment"> * Revision 1.3 2000/09/25 19:59:03 warmerda</font>
00036 <font class="comment"> * look for WIN32 not _WIN32</font>
00037 <font class="comment"> *</font>
00038 <font class="comment"> * Revision 1.2 1999/05/20 02:54:38 warmerda</font>
00039 <font class="comment"> * Added API documentation</font>
00040 <font class="comment"> *</font>
00041 <font class="comment"> * Revision 1.1 1999/02/25 04:52:00 danmo</font>
00042 <font class="comment"> * *** empty log message ***</font>
00043 <font class="comment"> *</font>
00044 <font class="comment"> **********************************************************************/</font>
00045
00046 <font class="preprocessor">#include "<a class="code" href="cpl_conv_h.html">cpl_conv.h</a>"</font>
00047 <font class="preprocessor">#include "cpl_string.h"</font>
00048
00049 CPL_CVSID(<font class="stringliteral">"$Id: cpl_dir_cpp-source.html,v 1.10 2002/04/16 13:11:47 warmerda Exp $"</font>);
00050
00051 <font class="preprocessor">#ifdef WIN32</font>
00052 <font class="preprocessor"></font>
00053 <font class="comment">/*=====================================================================</font>
00054 <font class="comment"> WIN32 / MSVC++ implementation</font>
00055 <font class="comment"> *====================================================================*/</font>
00056
00057 <font class="preprocessor">#include <io.h></font>
00058
00059 <font class="comment">/**********************************************************************</font>
00060 <font class="comment"> * CPLReadDir()</font>
00061 <font class="comment"> *</font>
00062 <font class="comment"> * Return a stringlist with the list of files in a directory.</font>
00063 <font class="comment"> * The returned stringlist should be freed with CSLDestroy().</font>
00064 <font class="comment"> *</font>
00065 <font class="comment"> * Returns NULL if an error happened or if the directory could not</font>
00066 <font class="comment"> * be read.</font>
00067 <font class="comment"> **********************************************************************/</font>
00068
00069 <font class="keywordtype">char</font> **<a class="code" href="cpl_conv_h.html#a9">CPLReadDir</a>(<font class="keyword">const</font> <font class="keywordtype">char</font> *pszPath)<font class="keyword"></font>
00070 <font class="keyword"></font>{
00071 <font class="keyword">struct </font>_finddata_t c_file;
00072 <font class="keywordtype">long</font> hFile;
00073 <font class="keywordtype">char</font> *pszFileSpec, **papszDir = NULL;
00074
00075 <font class="keywordflow">if</font> (strlen(pszPath) == 0)
00076 pszPath = <font class="stringliteral">"."</font>;
00077
00078 pszFileSpec = <a class="code" href="cpl_conv_h.html#a6">CPLStrdup</a>(CPLSPrintf(<font class="stringliteral">"%s\\*.*"</font>, pszPath));
00079
00080 <font class="keywordflow">if</font> ( (hFile = _findfirst( pszFileSpec, &c_file )) != -1L )
00081 {
00082 <font class="keywordflow">do</font>
00083 {
00084 papszDir = CSLAddString(papszDir, c_file.name);
00085 } <font class="keywordflow">while</font>( _findnext( hFile, &c_file ) == 0 );
00086
00087 _findclose( hFile );
00088 }
00089 <font class="keywordflow">else</font>
00090 {
00091 <font class="comment">/* Should we generate an error??? </font>
00092 <font class="comment"> * For now we'll just return NULL (at the end of the function)</font>
00093 <font class="comment"> */</font>
00094 }
00095
00096 CPLFree(pszFileSpec);
00097
00098 <font class="keywordflow">return</font> papszDir;
00099 }
00100
00101 <font class="preprocessor">#else</font>
00102 <font class="preprocessor"></font>
00103 <font class="comment">/*=====================================================================</font>
00104 <font class="comment"> POSIX (Unix) implementation</font>
00105 <font class="comment"> *====================================================================*/</font>
00106
00107 <font class="preprocessor">#include <sys/types.h></font>
00108 <font class="preprocessor">#include <dirent.h></font>
00109
00110 <font class="comment">/**********************************************************************</font>
00111 <font class="comment"> * CPLReadDir()</font>
00112 <font class="comment"> *</font>
00113 <font class="comment"> * Return a stringlist with the list of files in a directory.</font>
00114 <font class="comment"> * The returned stringlist should be freed with CSLDestroy().</font>
00115 <font class="comment"> *</font>
00116 <font class="comment"> * Returns NULL if an error happened or if the directory could not</font>
00117 <font class="comment"> * be read.</font>
00118 <font class="comment"> **********************************************************************/</font>
00119
00136 <font class="keywordtype">char</font> **<a class="code" href="cpl_conv_h.html#a9">CPLReadDir</a>(<font class="keyword">const</font> <font class="keywordtype">char</font> *pszPath)<font class="keyword"></font>
00137 <font class="keyword"></font>{
00138 DIR *hDir;
00139 <font class="keyword">struct </font>dirent *psDirEntry;
00140 <font class="keywordtype">char</font> **papszDir = NULL;
00141
00142 <font class="keywordflow">if</font> (strlen(pszPath) == 0)
00143 pszPath = <font class="stringliteral">"."</font>;
00144
00145 <font class="keywordflow">if</font> ( (hDir = opendir(pszPath)) != NULL )
00146 {
00147 <font class="keywordflow">while</font>( (psDirEntry = readdir(hDir)) != NULL )
00148 {
00149 papszDir = CSLAddString(papszDir, psDirEntry->d_name);
00150 }
00151
00152 closedir( hDir );
00153 }
00154 <font class="keywordflow">else</font>
00155 {
00156 <font class="comment">/* Should we generate an error??? </font>
00157 <font class="comment"> * For now we'll just return NULL (at the end of the function)</font>
00158 <font class="comment"> */</font>
00159 }
00160
00161 <font class="keywordflow">return</font> papszDir;
00162 }
00163
00164 <font class="preprocessor">#endif</font>
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