Files
harbour-core/harbour/source/rtl/copyfile.c
1999-08-05 15:36:05 +00:00

148 lines
3.7 KiB
C

/*
* $Id$
Copyright(C) 1999 by Andi Jahja
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.
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.
You can contact me at: andij@aonlippo.co.id
*/
#include "itemapi.h"
#include "extend.h"
#include "errorapi.h"
#include "ctoharb.h"
#include "filesys.h"
#include "init.h"
#ifdef OS_UNIX_COMPATIBLE
#include <sys/stat.h>
#include <unistd.h>
#endif
#define BUFFER_SIZE 8192
HARBOUR HB___COPYFILE(void);
HB_INIT_SYMBOLS_BEGIN( CopyFile__InitSymbols )
{ "__COPYFILE", FS_PUBLIC, HB___COPYFILE, 0 }
HB_INIT_SYMBOLS_END( CopyFile__InitSymbols );
#if ! defined(__GNUC__)
#pragma CopyFile__InitSymbols
#endif
static BOOL hb_fsCopy(char* szSource, char* szDest, ULONG* ulWrittenTotal);
/* INCOMPATIBILITY: Clipper returns .F. on failure and NIL on success */
HARBOUR HB___COPYFILE( void )
{
if ( ISCHAR(1) && ISCHAR(2) )
{
#ifdef HARBOUR_STRICT_CLIPPER_COMPATIBILITY
if (!hb_fsCopy(hb_parc(1), hb_parc(2)))
{
hb_retl(FALSE);
}
#else
ULONG ulWrittenTotal;
hb_fsCopy(hb_parc(1), hb_parc(2), &ulWrittenTotal);
hb_retnl(ulWrittenTotal);
#endif
}
else
{
hb_errorRT_BASE(EG_ARG, 2010, NULL, "__COPYFILE");
}
}
static BOOL hb_fsCopy(char* szSource, char* szDest, ULONG* ulWrittenTotal)
{
BOOL bRetVal = FALSE;
FHANDLE fhndSource;
FHANDLE fhndDest;
*ulWrittenTotal = 0L;
while ((fhndSource = hb_fsOpen(( BYTE * ) szSource, FO_READ)) == FS_ERROR)
{
if (hb_errorRT_BASE_Ext1(EG_OPEN, 2012, NULL, szSource, hb_fsError(), EF_CANDEFAULT | EF_CANRETRY ) == E_DEFAULT)
{
*ulWrittenTotal = (ULONG)-1L;
break;
}
}
if (fhndSource != FS_ERROR)
{
while ((fhndDest = hb_fsCreate(( BYTE * ) szDest, FC_NORMAL)) == FS_ERROR)
{
if (hb_errorRT_BASE_Ext1(EG_CREATE, 2012, NULL, szDest, hb_fsError(), EF_CANDEFAULT | EF_CANRETRY ) == E_DEFAULT)
{
*ulWrittenTotal = (ULONG)-2L;
break;
}
}
if (fhndDest != FS_ERROR)
{
#ifdef OS_UNIX_COMPATIBLE
struct stat struFileInfo;
int iSuccess = fstat( fhndSource, &struFileInfo );
#endif
BYTE * buffer;
USHORT usRead;
USHORT usWritten;
buffer = (BYTE * ) hb_xgrab( BUFFER_SIZE );
/* QUESTION: Does Clipper throw an error on read or write operation ? */
/* QUESTION: What is the E_DEFAULT behaviour on that error ? */
bRetVal = TRUE;
while ((usRead = hb_fsRead(fhndSource, buffer, BUFFER_SIZE)) != 0)
{
while ((usWritten = hb_fsWrite(fhndDest, buffer, usRead)) != usRead)
{
if (hb_errorRT_BASE_Ext1(EG_WRITE, 2012, NULL, szDest, hb_fsError(), EF_CANDEFAULT | EF_CANRETRY ) == E_DEFAULT)
{
bRetVal = FALSE;
break;
}
}
*ulWrittenTotal += (ULONG)usWritten;
}
hb_xfree(buffer);
#ifdef OS_UNIX_COMPATIBLE
if( iSuccess == 0 )
fchmod( fhndDest, struFileInfo.st_mode );
#endif
hb_fsClose(fhndDest);
}
hb_fsClose(fhndSource);
}
return bRetVal;
}