b5a02bcab4
* src/rtl/spfiles.c
! typo in HB_TR_DEBUG message
* src/rtl/hbproces.c
- removed unnecessary call to hb_fsSetIOError()
% variable localization
! fixed wrongly located hb_vmLock() - it was not called if
hb_fsProcessOpen() failed.
225 lines
6.7 KiB
C
225 lines
6.7 KiB
C
/*
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* Harbour Project source code:
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* A search path shim for the FileSys API (C level)
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*
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* Copyright 2001 David G. Holm <dholm@jsd-llc.com>
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* www - http://harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING.txt. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "hbapifs.h"
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#include "hbset.h"
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HB_BOOL hb_spFile( const char * pszFileName, char * pszRetPath )
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{
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char * pszPath;
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HB_BOOL bIsFile = HB_FALSE;
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PHB_FNAME pFilepath;
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HB_TRACE( HB_TR_DEBUG, ( "hb_spFile(%s, %p)", pszFileName, pszRetPath ) );
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if( pszRetPath )
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pszPath = pszRetPath;
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else
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pszPath = ( char * ) hb_xgrab( HB_PATH_MAX );
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pFilepath = hb_fsFNameSplit( pszFileName );
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if( pFilepath->szPath )
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{
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hb_fsFNameMerge( pszPath, pFilepath );
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bIsFile = hb_fsFile( pszPath );
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}
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else
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{
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const char * szDefault = hb_setGetDefault();
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if( szDefault )
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{
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pFilepath->szPath = szDefault;
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hb_fsFNameMerge( pszPath, pFilepath );
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bIsFile = hb_fsFile( pszPath );
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}
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if( ! bIsFile && hb_setGetPath() )
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{
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HB_PATHNAMES * pNextPath = hb_setGetFirstSetPath();
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while( bIsFile == HB_FALSE && pNextPath )
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{
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pFilepath->szPath = pNextPath->szPath;
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hb_fsFNameMerge( pszPath, pFilepath );
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bIsFile = hb_fsFile( pszPath );
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pNextPath = pNextPath->pNext;
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}
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}
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/*
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* This code is intentional. To eliminate race condition,
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* in pending hb_spCreate()/hb_spOpen() call when we have to know
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* real path and file name we have to set its deterministic value
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* here. If it's not necessary the caller may drop this value.
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*/
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if( ! bIsFile )
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{
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pFilepath->szPath = szDefault ? szDefault : ".";
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hb_fsFNameMerge( pszPath, pFilepath );
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}
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}
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hb_xfree( pFilepath );
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if( pszRetPath == NULL )
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hb_xfree( pszPath );
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return bIsFile;
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}
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HB_BOOL hb_spFileExists( const char * pszFileName, char * pszRetPath )
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{
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char * pszPath;
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HB_BOOL bIsFile = HB_FALSE;
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PHB_FNAME pFilepath;
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HB_TRACE( HB_TR_DEBUG, ( "hb_spFileExists(%s, %p)", pszFileName, pszRetPath ) );
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if( pszRetPath )
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pszPath = pszRetPath;
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else
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pszPath = ( char * ) hb_xgrab( HB_PATH_MAX );
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pFilepath = hb_fsFNameSplit( pszFileName );
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if( pFilepath->szPath )
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{
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hb_fsFNameMerge( pszPath, pFilepath );
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bIsFile = hb_fsFileExists( pszPath );
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}
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else
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{
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const char * szDefault = hb_setGetDefault();
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if( szDefault )
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{
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pFilepath->szPath = szDefault;
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hb_fsFNameMerge( pszPath, pFilepath );
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bIsFile = hb_fsFileExists( pszPath );
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}
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if( ! bIsFile && hb_setGetPath() )
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{
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HB_PATHNAMES * pNextPath = hb_setGetFirstSetPath();
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while( bIsFile == HB_FALSE && pNextPath )
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{
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pFilepath->szPath = pNextPath->szPath;
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hb_fsFNameMerge( pszPath, pFilepath );
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bIsFile = hb_fsFileExists( pszPath );
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pNextPath = pNextPath->pNext;
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}
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}
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/*
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* This code is intentional. To eliminate race condition,
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* in pending hb_spCreate()/hb_spOpen() call when we have to know
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* real path and file name we have to set its deterministic value
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* here. If it's not necessary the caller may drop this value.
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*/
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if( ! bIsFile )
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{
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pFilepath->szPath = szDefault ? szDefault : ".";
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hb_fsFNameMerge( pszPath, pFilepath );
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}
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}
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hb_xfree( pFilepath );
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if( pszRetPath == NULL )
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hb_xfree( pszPath );
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return bIsFile;
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}
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HB_FHANDLE hb_spOpen( const char * pszFileName, HB_USHORT uiFlags )
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{
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char szPath[ HB_PATH_MAX ];
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HB_TRACE( HB_TR_DEBUG, ( "hb_spOpen(%p, %hu)", pszFileName, uiFlags ) );
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if( hb_spFile( pszFileName, szPath ) )
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return hb_fsOpen( szPath, uiFlags );
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else
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return hb_fsOpen( pszFileName, uiFlags );
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}
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HB_FHANDLE hb_spCreate( const char * pszFileName, HB_FATTR ulAttr )
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{
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char szPath[ HB_PATH_MAX ];
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PHB_FNAME pFilepath;
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HB_TRACE( HB_TR_DEBUG, ( "hb_spCreate(%p, %u)", pszFileName, ulAttr ) );
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pFilepath = hb_fsFNameSplit( pszFileName );
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if( ! pFilepath->szPath )
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pFilepath->szPath = hb_setGetDefault();
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hb_fsFNameMerge( szPath, pFilepath );
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hb_xfree( pFilepath );
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return hb_fsCreate( szPath, ulAttr );
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}
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HB_FHANDLE hb_spCreateEx( const char * pszFileName, HB_FATTR ulAttr, HB_USHORT uiFlags )
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{
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char szPath[ HB_PATH_MAX ];
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PHB_FNAME pFilepath;
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HB_TRACE( HB_TR_DEBUG, ( "hb_spCreateEx(%p, %u, %hu)", pszFileName, ulAttr, uiFlags ) );
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pFilepath = hb_fsFNameSplit( pszFileName );
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if( ! pFilepath->szPath )
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pFilepath->szPath = hb_setGetDefault();
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hb_fsFNameMerge( szPath, pFilepath );
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hb_xfree( pFilepath );
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return hb_fsCreateEx( szPath, ulAttr, uiFlags );
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}
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