Files
harbour-core/harbour/source/rtl/spfiles.c

150 lines
4.6 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* A search path shim for the FileSys API (C level)
*
* Copyright 2001 David G. Holm <dholm@jsd-llc.com>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
#include "hbapifs.h"
#include "hbset.h"
static BOOL FindFile( BYTE * pFilename, BYTE * path )
{
BOOL bIsFile = FALSE;
PHB_FNAME pFilepath;
HB_TRACE(HB_TR_DEBUG, ("FindFile(%s, %p)", (char*) pFilename, path));
pFilepath = hb_fsFNameSplit( (char*) pFilename );
if( pFilepath->szPath )
{
hb_fsFNameMerge( (char*) path, pFilepath );
bIsFile = hb_fsFile( path );
}
else
{
if( hb_set.HB_SET_DEFAULT )
{
pFilepath->szPath = hb_set.HB_SET_DEFAULT;
hb_fsFNameMerge( (char*) path, pFilepath );
bIsFile = hb_fsFile( path );
}
if( !bIsFile && hb_set.HB_SET_PATH )
{
HB_PATHNAMES * nextPath = hb_setGetFirstSetPath();
while( !bIsFile && nextPath )
{
pFilepath->szPath = nextPath->szPath;
hb_fsFNameMerge( (char*) path, pFilepath );
bIsFile = hb_fsFile( path );
nextPath = nextPath->pNext;
}
}
}
hb_xfree( pFilepath );
if( !bIsFile )
*path = '\0';
return bIsFile;
}
BOOL hb_spFile( BYTE * pFilename )
{
BYTE path[ _POSIX_PATH_MAX + 1 ];
HB_TRACE(HB_TR_DEBUG, ("hb_spFile(%s, %p)", (char*) pFilename, path));
return FindFile( pFilename, path );
}
FHANDLE hb_spOpen( BYTE * pFilename, USHORT uiFlags )
{
BYTE path[ _POSIX_PATH_MAX + 1 ];
HB_TRACE(HB_TR_DEBUG, ("hb_spOpen(%p, %hu)", pFilename, uiFlags));
if( FindFile( pFilename, path ) )
return hb_fsOpen( path, uiFlags );
else
return hb_fsOpen( pFilename, uiFlags );
}
FHANDLE hb_spCreate( BYTE * pFilename, USHORT uiAttr )
{
BYTE path[ _POSIX_PATH_MAX + 1 ];
PHB_FNAME pFilepath = hb_fsFNameSplit( (char*) pFilename );
HB_TRACE(HB_TR_DEBUG, ("hb_spCreate(%p, %hu)", pFilename, uiAttr));
if( ! pFilepath->szPath && hb_set.HB_SET_DEFAULT )
pFilepath->szPath = hb_set.HB_SET_DEFAULT;
hb_fsFNameMerge( (char*) path, pFilepath );
hb_xfree( pFilepath );
return hb_fsCreate( path, uiAttr );
}
FHANDLE hb_spCreateEx( BYTE * pFilename, USHORT uiAttr, USHORT uiFlags )
{
BYTE path[ _POSIX_PATH_MAX + 1 ];
PHB_FNAME pFilepath = hb_fsFNameSplit( (char*) pFilename );
HB_TRACE(HB_TR_DEBUG, ("hb_spCreateEx(%p, %hu, %hu)", pFilename, uiAttr, uiFlags));
if( ! pFilepath->szPath && hb_set.HB_SET_DEFAULT )
pFilepath->szPath = hb_set.HB_SET_DEFAULT;
hb_fsFNameMerge( (char*) path, pFilepath );
hb_xfree( pFilepath );
return hb_fsCreateEx( path, uiAttr, uiFlags );
}