Files
harbour-core/harbour/source/rtl/copyfile.c
1999-11-27 19:54:58 +00:00

129 lines
3.7 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* __COPYFILE() function
*
* Copyright 1999 Andi Jahja <andij@aonlippo.co.id>
* 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 of the License, or
* (at your option) any later version, with one exception:
*
* The exception is that if you link the Harbour Runtime Library (HRL)
* and/or the Harbour Virtual Machine (HVM) 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 HRL
* and/or HVM code into it.
*
* 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 program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
* their web site at http://www.gnu.org/).
*
*/
#include "extend.h"
#include "errorapi.h"
#include "filesys.h"
#ifdef OS_UNIX_COMPATIBLE
#include <sys/stat.h>
#include <unistd.h>
#endif
#define BUFFER_SIZE 8192
static BOOL hb_fsCopy( char * szSource, char * szDest )
{
BOOL bRetVal = FALSE;
FHANDLE fhndSource;
HB_TRACE(HB_TR_DEBUG, ("hb_fsCopy(%s, %s)", szSource, szDest));
while( ( fhndSource = hb_fsOpen( ( BYTE * ) szSource, FO_READ | FO_SHARED | FO_PRIVATE ) ) == FS_ERROR )
{
USHORT uiAction = hb_errRT_BASE_Ext1( EG_OPEN, 2012, NULL, szSource, hb_fsError(), EF_CANDEFAULT | EF_CANRETRY );
if( uiAction == E_DEFAULT || uiAction == E_BREAK )
break;
}
if( fhndSource != FS_ERROR )
{
FHANDLE fhndDest;
while( ( fhndDest = hb_fsCreate( ( BYTE * ) szDest, FC_NORMAL ) ) == FS_ERROR )
{
USHORT uiAction = hb_errRT_BASE_Ext1( EG_CREATE, 2012, NULL, szDest, hb_fsError(), EF_CANDEFAULT | EF_CANRETRY );
if( uiAction == E_DEFAULT || uiAction == E_BREAK )
break;
}
if( fhndDest != FS_ERROR )
{
#ifdef OS_UNIX_COMPATIBLE
struct stat struFileInfo;
int iSuccess = fstat( fhndSource, &struFileInfo );
#endif
BYTE * buffer;
USHORT usRead;
buffer = ( BYTE * ) hb_xgrab( BUFFER_SIZE );
bRetVal = TRUE;
while( ( usRead = hb_fsRead( fhndSource, buffer, BUFFER_SIZE ) ) != 0 )
{
while( hb_fsWrite( fhndDest, buffer, usRead ) != usRead )
{
USHORT uiAction = hb_errRT_BASE_Ext1( EG_WRITE, 2016, NULL, szDest, hb_fsError(), EF_CANDEFAULT | EF_CANRETRY );
if( uiAction == E_DEFAULT || uiAction == E_BREAK )
{
bRetVal = FALSE;
break;
}
}
}
hb_xfree( buffer );
#ifdef OS_UNIX_COMPATIBLE
if( iSuccess == 0 )
fchmod( fhndDest, struFileInfo.st_mode );
#endif
hb_fsClose( fhndDest );
}
hb_fsClose( fhndSource );
}
return bRetVal;
}
/* Clipper returns .F. on failure and NIL on success */
HARBOUR HB___COPYFILE( void )
{
if( ISCHAR( 1 ) && ISCHAR( 2 ) )
{
if( ! hb_fsCopy( hb_parc( 1 ), hb_parc( 2 ) ) )
hb_retl( FALSE );
}
else
hb_errRT_BASE( EG_ARG, 2010, NULL, "__COPYFILE" ); /* NOTE: Undocumented but existing Clipper Run-time error */
}