127 lines
4.0 KiB
C
127 lines
4.0 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* HB_FTEMPCREATE() function
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*
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* Copyright 2000-2001 Jose Lalin <dezac@corevia.com>
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* Viktor Szakats <viktor.szakats@syenar.hu>
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* www - http://www.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. 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 "hbapi.h"
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#include "hbapifs.h"
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#include <errno.h>
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/* NOTE: The buffer must be at least _POSIX_PATH_MAX chars long */
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static BOOL hb_fsTempName( BYTE * pszBuffer, const BYTE * pszDir, const BYTE * pszPrefix )
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{
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/* TODO: Implement these: */
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HB_SYMBOL_UNUSED( pszDir );
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HB_SYMBOL_UNUSED( pszPrefix );
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/* TOFIX: The spec says to reserve L_tmpnam number of characters for the
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passed buffer. It will be needed to fix _POSIX_PATH_MAX to be
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at least this large. */
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pszBuffer[ 0 ] = '\0';
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tmpnam( ( char * ) pszBuffer );
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return pszBuffer[ 0 ] != '\0';
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}
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/* NOTE: The buffer must be at least _POSIX_PATH_MAX chars long */
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FHANDLE hb_fsCreateTemp( const BYTE * pszDir, const BYTE * pszPrefix, USHORT uiAttr, BYTE * pszName )
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{
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USHORT nAttemptLeft = 999;
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errno = 0;
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while( --nAttemptLeft )
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{
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if( hb_fsTempName( pszName, pszDir, pszPrefix ) )
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{
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FHANDLE fhnd = hb_fsCreateEx( pszName, uiAttr, FO_EXCLUSIVE );
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/* This function may fail, if the generated filename got
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used between generation and the file creation. */
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if( fhnd != FS_ERROR )
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{
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return fhnd;
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}
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}
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else
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{
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/* Don't attempt to retry if the filename generator is
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failing for some reason. */
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break;
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}
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}
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hb_fsSetError( FS_ERROR );
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return FS_ERROR;
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}
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#ifdef HB_EXTENSION
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HB_FUNC( HB_FTEMPCREATE )
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{
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BYTE szName[ _POSIX_PATH_MAX + 1 ];
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hb_retni( hb_fsCreateTemp( ( BYTE * ) hb_parc( 1 ),
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( BYTE * ) hb_parc( 2 ),
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ISNUM( 3 ) ? hb_parni( 3 ) : FC_NORMAL,
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szName ) );
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hb_storc( ( char *) szName, 4 );
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}
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#endif
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