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# cpl_dir.cpp

    00001 /**********************************************************************
    00002  * $Id: cpl_dir_cpp-source.html,v 1.10 2002/04/16 13:11:47 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 1.10  2002/04/16 13:11:47  warmerda
    00031  * updated
    00031  *
    00032  * Revision 1.4  2001/07/18 04:00:49  warmerda
    00033  * added CPL_CVSID
    00034  *
    00035  * Revision 1.3  2000/09/25 19:59:03  warmerda
    00036  * look for WIN32 not _WIN32
    00037  *
    00038  * Revision 1.2  1999/05/20 02:54:38  warmerda
    00039  * Added API documentation
    00040  *
    00041  * Revision 1.1  1999/02/25 04:52:00  danmo
    00042  * *** empty log message ***
    00043  *
    00044  **********************************************************************/
    00045
    00046 #include "cpl_conv.h"
    00047 #include "cpl_string.h"
    00048
    00049 CPL_CVSID("$Id: cpl_dir_cpp-source.html,v 1.10 2002/04/16 13:11:47 warmerda Exp $");
    00050
    00051 #ifdef WIN32
    00052
    00053 /*=====================================================================
    00054                    WIN32 / MSVC++ implementation
    00055  *====================================================================*/
    00056
    00057 #include <io.h>
    00058
    00059 /**********************************************************************
    00060  *                          CPLReadDir()
    00061  *
    00062  * Return a stringlist with the list of files in a directory.
    00063  * The returned stringlist should be freed with CSLDestroy().
    00064  *
    00065  * Returns NULL if an error happened or if the directory could not
    00066  * be read.
    00067  **********************************************************************/
    00068
    00069 char **CPLReadDir(const char *pszPath)
    00070 {
    00071     struct _finddata_t c_file;
    00072     long    hFile;
    00073     char    *pszFileSpec, **papszDir = NULL;
    00074
    00075     if (strlen(pszPath) == 0)
    00076         pszPath = ".";
    00077
    00078     pszFileSpec = CPLStrdup(CPLSPrintf("%s\\*.*", pszPath));
    00079
    00080     if ( (hFile = _findfirst( pszFileSpec, &c_file )) != -1L )
    00081     {
    00082         do
    00083         {
    00084             papszDir = CSLAddString(papszDir, c_file.name);
    00085         } while( _findnext( hFile, &c_file ) == 0 );
    00086
    00087         _findclose( hFile );
    00088     }
    00089     else
    00090     {
    00091         /* Should we generate an error???
    00092          * For now we'll just return NULL (at the end of the function)
    00093          */
    00094     }
    00095
    00096     CPLFree(pszFileSpec);
    00097
    00098     return papszDir;
    00099 }
    00100
    00101 #else
    00102
    00103 /*=====================================================================
    00104                       POSIX (Unix) implementation
    00105  *====================================================================*/
    00106
    00107 #include <sys/types.h>
    00108 #include <dirent.h>
    00109
    00110 /**********************************************************************
    00111  *                          CPLReadDir()
    00112  *
    00113  * Return a stringlist with the list of files in a directory.
    00114  * The returned stringlist should be freed with CSLDestroy().
    00115  *
    00116  * Returns NULL if an error happened or if the directory could not
    00117  * be read.
    00118  **********************************************************************/
    00119
    00136 char **CPLReadDir(const char *pszPath)
    00137 {
    00138     DIR           *hDir;
    00139     struct dirent *psDirEntry;
    00140     char          **papszDir = NULL;
    00141
    00142     if (strlen(pszPath) == 0)
    00143         pszPath = ".";
    00144
    00145     if ( (hDir = opendir(pszPath)) != NULL )
    00146     {
    00147         while( (psDirEntry = readdir(hDir)) != NULL )
    00148         {
    00149             papszDir = CSLAddString(papszDir, psDirEntry->d_name);
    00150         }
    00151
    00152         closedir( hDir );
    00153     }
    00154     else
    00155     {
    00156         /* Should we generate an error???
    00157          * For now we'll just return NULL (at the end of the function)
    00158          */
    00159     }
    00160
    00161     return papszDir;
    00162 }
    00163
    00164 #endif