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

146 lines
4.6 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, 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 "hbapi.h"
#include "hbapierr.h"
#include "hbapifs.h"
#if defined(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, 0 );
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, 0 );
if( uiAction == E_DEFAULT || uiAction == E_BREAK )
break;
}
if( fhndDest != FS_ERROR )
{
#if defined(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, 0 );
if( uiAction == E_DEFAULT || uiAction == E_BREAK )
{
bRetVal = FALSE;
break;
}
}
}
hb_xfree( buffer );
#if defined(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 */
HB_FUNC( __COPYFILE )
{
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", 2, hb_paramError( 1 ), hb_paramError( 2 ) ); /* NOTE: Undocumented but existing Clipper Run-time error */
}