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files.c
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files.c
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/*
* CT3 files functions: SetFAttr()
*
* Copyright 2001 Luiz Rafael Culik <culik@sl.conex.net>
* SetFDaTi(), FileSMax(), FileDelete()
* Copyright 2004 Phil Krylov <phil@newstar.rinet.ru>
* FileSeek(), FileSize(), FileAttr(), FileTime(), FileDate()
* FileMove(), FileSMax(),
* DeleteFile(), RenameFile()
* Copyright 2007 Przemyslaw Czerpak <druzus / at / priv.onet.pl>
*
* 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 program; see the file LICENSE.txt. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
*
* 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 "hbapifs.h"
#include "hbapiitm.h"
#include "hbvm.h"
#include "hbstack.h"
#include "hbdate.h"
#include "hb_io.h"
#include "ctdisk.ch"
#if defined( __DJGPP__ )
# include <dpmi.h>
# include <go32.h>
# include <sys/farptr.h>
# include <sys/param.h>
#endif
#if defined( HB_OS_UNIX ) || defined( __DJGPP__ )
# include <sys/types.h>
# include <utime.h>
# include <unistd.h>
# include <time.h>
#endif
typedef struct
{
PHB_FFIND ffind;
HB_FATTR ulAttr;
} HB_FFDATA, * PHB_FFDATA;
static void hb_fileFindRelease( void * cargo )
{
PHB_FFDATA pFFData = ( PHB_FFDATA ) cargo;
if( pFFData->ffind )
hb_fsFindClose( pFFData->ffind );
}
static HB_TSD_NEW( s_FFData, sizeof( HB_FFDATA ), NULL, hb_fileFindRelease );
#define HB_GET_FFDATA() ( ( PHB_FFDATA ) hb_stackGetTSD( &s_FFData ) )
/* limit attributes to DOS ones for code portability */
#define HB_FF_ATTR( ff ) ( ( ff )->attr & 0xFF )
static PHB_FFIND _hb_fileStart( HB_BOOL fNext, HB_BOOL fAny )
{
PHB_FFDATA pFFData = HB_GET_FFDATA();
if( hb_pcount() > 0 )
{
const char * szFile = hb_parc( 1 );
if( pFFData->ffind )
{
hb_fsFindClose( pFFData->ffind );
pFFData->ffind = NULL;
}
if( szFile )
{
HB_FATTR ulAttr;
ulAttr = ( HB_FATTR ) hb_parnldef( 2, fAny ? HB_FA_ANY : HB_FA_ALL );
pFFData->ulAttr = hb_parl( 3 ) ? ulAttr : 0;
pFFData->ffind = hb_fsFindFirst( szFile, ulAttr );
while( pFFData->ffind && pFFData->ulAttr &&
HB_FF_ATTR( pFFData->ffind ) != pFFData->ulAttr )
{
if( ! hb_fsFindNext( pFFData->ffind ) )
{
hb_fsFindClose( pFFData->ffind );
pFFData->ffind = NULL;
}
}
}
}
else if( fNext && pFFData->ffind )
{
do
{
if( ! hb_fsFindNext( pFFData->ffind ) )
{
hb_fsFindClose( pFFData->ffind );
pFFData->ffind = NULL;
break;
}
}
while( pFFData->ulAttr && HB_FF_ATTR( pFFData->ffind ) != pFFData->ulAttr );
}
return pFFData->ffind;
}
HB_FUNC( FILESEEK )
{
PHB_FFIND ffind = _hb_fileStart( HB_TRUE, HB_FALSE );
hb_retc( ffind ? ffind->szName : NULL );
}
HB_FUNC( FILEATTR )
{
PHB_FFIND ffind = _hb_fileStart( HB_FALSE, HB_TRUE );
hb_retni( ffind ? HB_FF_ATTR( ffind ) : 0 );
}
HB_FUNC( FILESIZE )
{
PHB_FFIND ffind = _hb_fileStart( HB_FALSE, HB_FALSE );
hb_retnint( ffind ? ffind->size : -1 );
}
HB_FUNC( FILEDATE )
{
PHB_FFIND ffind = _hb_fileStart( HB_FALSE, HB_FALSE );
hb_retdl( ffind ? ffind->lDate : 0 );
}
HB_FUNC( FILETIME )
{
PHB_FFIND ffind = _hb_fileStart( HB_FALSE, HB_FALSE );
hb_retc( ffind ? ffind->szTime : NULL );
}
HB_FUNC( SETFATTR )
{
int iResult;
if( hb_fileAttrSet( hb_parcx( 1 ), hb_parnldef( 2, HB_FA_ARCHIVE ) ) )
iResult = 0;
else
iResult = -1;
hb_retni( iResult );
}
HB_FUNC( SETFDATI )
{
const char * szFile = hb_parc( 1 );
HB_BOOL fResult = HB_FALSE;
if( szFile && *szFile )
{
long lJulian, lMillisec;
if( HB_ISTIMESTAMP( 1 ) )
{
if( ! hb_partdt( &lJulian, &lMillisec, 1 ) )
lJulian = lMillisec = 0; /* to silence Coverity analyzer */
}
else
{
PHB_ITEM pDate, pTime;
pDate = hb_param( 2, HB_IT_DATE );
if( pDate )
pTime = hb_param( 3, HB_IT_STRING );
else
{
pTime = hb_param( 2, HB_IT_STRING );
pDate = hb_param( 3, HB_IT_DATE );
}
lJulian = pDate ? hb_itemGetDL( pDate ) : -1;
if( pTime )
{
int hour = 0, minute = 0, second = 0, msec = 0;
hb_timeStrGet( hb_itemGetCPtr( pTime ), &hour, &minute, &second, &msec );
lMillisec = hb_timeEncode( hour, minute, second, msec );
}
else
lMillisec = -1;
}
fResult = hb_fileTimeSet( szFile, lJulian, lMillisec );
}
hb_retl( fResult );
}
HB_FUNC( FILEDELETE )
{
const char * pszDirSpec = hb_parc( 1 );
HB_BOOL fResult = HB_FALSE;
if( pszDirSpec )
{
HB_FATTR nAttr = hb_parnldef( 2, HB_FA_ALL );
PHB_FFIND ffind;
/* In CT3 this function does not remove directories */
nAttr &= ~HB_FA_DIRECTORY;
if( ( ffind = hb_fsFindFirst( pszDirSpec, nAttr ) ) != NULL )
{
PHB_FNAME pFilepath;
pFilepath = hb_fsFNameSplit( pszDirSpec );
pFilepath->szExtension = NULL;
do
{
char szPath[ HB_PATH_MAX ];
pFilepath->szName = ffind->szName;
hb_fsFNameMerge( szPath, pFilepath );
if( ffind->attr & HB_FA_READONLY )
{
if( nAttr & HB_FA_READONLY )
hb_fsSetAttr( szPath, ffind->attr & ~ ( HB_FATTR ) HB_FA_READONLY );
else
continue;
}
if( hb_fsDelete( szPath ) )
fResult = HB_TRUE;
}
while( hb_fsFindNext( ffind ) );
hb_xfree( pFilepath );
hb_fsFindClose( ffind );
}
}
hb_retl( fResult );
}
HB_FUNC( FILEMOVE )
{
hb_retnint( hb_fileRename( hb_parcx( 1 ),
hb_parcx( 2 ) ) ? 0 : -( HB_MAXINT ) hb_fsOsError() );
}
HB_FUNC_TRANSLATE( RENAMEFILE, FILEMOVE )
HB_FUNC( DELETEFILE )
{
hb_retnint( hb_fileDelete( hb_parcx( 1 ) ) ? 0 : -( HB_MAXINT ) hb_fsOsError() );
}
HB_FUNC( FILESMAX )
{
#if defined( __DJGPP__ )
__dpmi_regs r;
unsigned handles;
HB_ULONG psp;
r.h.ah = 0x62; /* Get PSP address */
__dpmi_int( 0x21, &r );
psp = ( ( ( HB_ULONG ) r.x.bx ) << 4 ) & 0xFFFFF;
handles = _farpeekw( _dos_ds, psp + 0x32 );
hb_retni( handles );
#elif defined( _SC_OPEN_MAX )
hb_retnl( sysconf( _SC_OPEN_MAX ) );
#else
hb_retni( -1 );
#endif
}