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/**********************************************************************
* $Id: cpl_dir.c,v 1.2 2005/06/03 03:49:59 daniel Exp $
*
* Name: cpl_dir.cpp
* Project: CPL - Common Portability Library
* Purpose: Directory manipulation.
* Author: Daniel Morissette, dmorissette@dmsolutions.ca
*
**********************************************************************
* Copyright (c) 1998, Daniel Morissette
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
**********************************************************************
*
* $Log: cpl_dir.c,v $
* Revision 1.2 2005/06/03 03:49:59 daniel
* Update email address, website url, and copyright dates
*
* Revision 1.1 1999/08/27 14:09:55 daniel
* Update CPL files
*
* Revision 1.2 1999/05/20 02:54:38 warmerda
* Added API documentation
*
* Revision 1.1 1999/02/25 04:52:00 danmo
* *** empty log message ***
*
**********************************************************************/
#include "cpl_conv.h"
#include "cpl_string.h"
#ifdef _WIN32
/*=====================================================================
WIN32 / MSVC++ implementation
*====================================================================*/
#include <io.h>
/**********************************************************************
* CPLReadDir()
*
* Return a stringlist with the list of files in a directory.
* The returned stringlist should be freed with CSLDestroy().
*
* Returns NULL if an error happened or if the directory could not
* be read.
**********************************************************************/
/**
* Read names in a directory.
*
* This function abstracts access to directory contains. It returns a
* list of strings containing the names of files, and directories in this
* directory. The resulting string list becomes the responsibility of the
* application and should be freed with CSLDestroy() when no longer needed.
*
* Note that no error is issued via CPLError() if the directory path is
* invalid, though NULL is returned.
*
* @param pszPath the relative, or absolute path of a directory to read.
* @return The list of entries in the directory, or NULL if the directory
* doesn't exist.
*/
char **CPLReadDir(const char *pszPath)
{
struct _finddata_t c_file;
long hFile;
char *pszFileSpec, **papszDir = NULL;
if (strlen(pszPath) == 0)
pszPath = ".";
pszFileSpec = CPLStrdup(CPLSPrintf("%s\\*.*", pszPath));
if ( (hFile = _findfirst( pszFileSpec, &c_file )) != -1L )
{
do
{
papszDir = CSLAddString(papszDir, c_file.name);
} while( _findnext( hFile, &c_file ) == 0 );
_findclose( hFile );
}
else
{
/* Should we generate an error???
* For now we'll just return NULL (at the end of the function)
*/
}
CPLFree(pszFileSpec);
return papszDir;
}
#else
/*=====================================================================
POSIX (Unix) implementation
*====================================================================*/
#include <sys/types.h>
#include <dirent.h>
/**********************************************************************
* CPLReadDir()
*
* Return a stringlist with the list of files in a directory.
* The returned stringlist should be freed with CSLDestroy().
*
* Returns NULL if an error happened or if the directory could not
* be read.
**********************************************************************/
char **CPLReadDir(const char *pszPath)
{
DIR *hDir;
struct dirent *psDirEntry;
char **papszDir = NULL;
if (strlen(pszPath) == 0)
pszPath = ".";
if ( (hDir = opendir(pszPath)) != NULL )
{
while( (psDirEntry = readdir(hDir)) != NULL )
{
papszDir = CSLAddString(papszDir, psDirEntry->d_name);
}
closedir( hDir );
}
else
{
/* Should we generate an error???
* For now we'll just return NULL (at the end of the function)
*/
}
return papszDir;
}
#endif
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