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# cpl_dir.cpp

    00001 /**********************************************************************
    00002  * $Id: cpl_dir_cpp-source.html,v 1.13 2002/12/21 19:13:12 warmerda Exp $
    00003  *
    00004  * Name:     cpl_dir.cpp
    00005  * Project:  CPL - Common Portability Library
    00006  * Purpose:  Directory manipulation.
    00007  * Author:   Daniel Morissette, danmo@videotron.ca
    00008  *
    00009  **********************************************************************
    00010  * Copyright (c) 1998, Daniel Morissette
    00011  *
    00012  * Permission is hereby granted, free of charge, to any person obtaining a
    00013  * copy of this software and associated documentation files (the "Software"),
    00014  * to deal in the Software without restriction, including without limitation
    00015  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
    00016  * and/or sell copies of the Software, and to permit persons to whom the
    00017  * Software is furnished to do so, subject to the following conditions:
    00018  *
    00019  * The above copyright notice and this permission notice shall be included
    00020  * in all copies or substantial portions of the Software.
    00021  *
    00022  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00023  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00024  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
    00025  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00026  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    00027  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
    00028  * DEALINGS IN THE SOFTWARE.
    00029  **********************************************************************
    00030  *
    00031  * $Log: cpl_dir_cpp-source.html,v $
    00031  * Revision 1.13  2002/12/21 19:13:12  warmerda
    00031  * updated
    00031  *
    00032  * Revision 1.5  2002/03/28 14:52:32  warmerda
    00033  * moved docs to non-WIN32 section
    00034  *
    00035  * Revision 1.4  2001/07/18 04:00:49  warmerda
    00036  * added CPL_CVSID
    00037  *
    00038  * Revision 1.3  2000/09/25 19:59:03  warmerda
    00039  * look for WIN32 not _WIN32
    00040  *
    00041  * Revision 1.2  1999/05/20 02:54:38  warmerda
    00042  * Added API documentation
    00043  *
    00044  * Revision 1.1  1999/02/25 04:52:00  danmo
    00045  * *** empty log message ***
    00046  *
    00047  **********************************************************************/
    00048
    00049 #include "cpl_conv.h"
    00050 #include "cpl_string.h"
    00051
    00052 CPL_CVSID("$Id: cpl_dir_cpp-source.html,v 1.13 2002/12/21 19:13:12 warmerda Exp $");
    00053
    00054 #ifdef WIN32
    00055
    00056 /*=====================================================================
    00057                    WIN32 / MSVC++ implementation
    00058  *====================================================================*/
    00059
    00060 #include <io.h>
    00061
    00062 /**********************************************************************
    00063  *                          CPLReadDir()
    00064  *
    00065  * Return a stringlist with the list of files in a directory.
    00066  * The returned stringlist should be freed with CSLDestroy().
    00067  *
    00068  * Returns NULL if an error happened or if the directory could not
    00069  * be read.
    00070  **********************************************************************/
    00071
    00072 char **CPLReadDir(const char *pszPath)
    00073 {
    00074     struct _finddata_t c_file;
    00075     long    hFile;
    00076     char    *pszFileSpec, **papszDir = NULL;
    00077
    00078     if (strlen(pszPath) == 0)
    00079         pszPath = ".";
    00080
    00081     pszFileSpec = CPLStrdup(CPLSPrintf("%s\\*.*", pszPath));
    00082
    00083     if ( (hFile = _findfirst( pszFileSpec, &c_file )) != -1L )
    00084     {
    00085         do
    00086         {
    00087             papszDir = CSLAddString(papszDir, c_file.name);
    00088         } while( _findnext( hFile, &c_file ) == 0 );
    00089
    00090         _findclose( hFile );
    00091     }
    00092     else
    00093     {
    00094         /* Should we generate an error???
    00095          * For now we'll just return NULL (at the end of the function)
    00096          */
    00097     }
    00098
    00099     CPLFree(pszFileSpec);
    00100
    00101     return papszDir;
    00102 }
    00103
    00104 #else
    00105
    00106 /*=====================================================================
    00107                       POSIX (Unix) implementation
    00108  *====================================================================*/
    00109
    00110 #include <sys/types.h>
    00111 #include <dirent.h>
    00112
    00113 /**********************************************************************
    00114  *                          CPLReadDir()
    00115  *
    00116  * Return a stringlist with the list of files in a directory.
    00117  * The returned stringlist should be freed with CSLDestroy().
    00118  *
    00119  * Returns NULL if an error happened or if the directory could not
    00120  * be read.
    00121  **********************************************************************/
    00122
    00139 char **CPLReadDir(const char *pszPath)
    00140 {
    00141     DIR           *hDir;
    00142     struct dirent *psDirEntry;
    00143     char          **papszDir = NULL;
    00144
    00145     if (strlen(pszPath) == 0)
    00146         pszPath = ".";
    00147
    00148     if ( (hDir = opendir(pszPath)) != NULL )
    00149     {
    00150         while( (psDirEntry = readdir(hDir)) != NULL )
    00151         {
    00152             papszDir = CSLAddString(papszDir, psDirEntry->d_name);
    00153         }
    00154
    00155         closedir( hDir );
    00156     }
    00157     else
    00158     {
    00159         /* Should we generate an error???
    00160          * For now we'll just return NULL (at the end of the function)
    00161          */
    00162     }
    00163
    00164     return papszDir;
    00165 }
    00166
    00167 #endif