1207ad9dbb
* common.mak
* source/vm/Makefile
* source/vm/vmmt/Makefile
* source/common/Makefile
* source/rtl/Makefile
- source/vm/fmhb.c
+ source/rtl/fmhb.c
- source/vm/hbmem.c
+ source/common/hbmem.c
* Moved hbfm (MEMORY() .prg function) from VM to RTL.
* Moved hbmem (hb_xmem*() C functions) from VM to COMMON.
- contrib/hbziparc/hbzipcpp.old
- Removed.
134 lines
4.0 KiB
C
134 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_xmemcpy(), hb_xmemset()
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*
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* Copyright 1999 David G. Holm <dholm@jsd-llc.com>
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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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/* hb_xmemcpy() and hb_xmemset() are only needed when
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unsigned int and unsigned long differ in length */
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/* unfortunately it's not true - on 64bit platforms int is 32 bit
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and long is 64.
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we need these functions only when max(size_t) < max(long)
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what could be detected and set in header files. Here check
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only for hb_xmem* macro definition
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#if UINT_MAX != ULONG_MAX
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*/
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#ifndef hb_xmemcpy
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void * hb_xmemcpy( void * pDestArg, void * pSourceArg, ULONG ulLen )
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{
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BYTE * pDest;
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BYTE * pSource;
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ULONG ulRemaining;
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int iCopySize;
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HB_TRACE(HB_TR_DEBUG, ("hb_xmemcpy(%p, %p, %lu)", pDestArg, pSourceArg, ulLen));
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pDest = ( BYTE * ) pDestArg;
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pSource = ( BYTE * ) pSourceArg;
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ulRemaining = ulLen;
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while( ulRemaining )
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{
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/* Overcome the memcpy() size_t limitation */
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if( ulRemaining > UINT_MAX )
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{
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iCopySize = UINT_MAX;
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ulRemaining -= ( ULONG ) iCopySize;
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}
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else
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{
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iCopySize = ( int ) ulRemaining;
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ulRemaining = 0;
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}
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memcpy( pDest, pSource, iCopySize );
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pDest += iCopySize;
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pSource += iCopySize;
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}
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return pDestArg;
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}
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#endif
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#ifndef hb_xmemset
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void * hb_xmemset( void * pDestArg, int iFill, ULONG ulLen )
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{
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BYTE * pDest;
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ULONG ulRemaining;
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int iSetSize;
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HB_TRACE(HB_TR_DEBUG, ("hb_xmemset(%p, %d, %lu)", pDestArg, iFill, ulLen));
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pDest = ( BYTE * ) pDestArg;
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ulRemaining = ulLen;
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while( ulRemaining )
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{
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/* Overcome the memset() size_t limitation */
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if( ulRemaining > UINT_MAX )
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{
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iSetSize = UINT_MAX;
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ulRemaining -= ( ULONG ) iSetSize;
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}
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else
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{
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iSetSize = ( int ) ulRemaining;
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ulRemaining = 0;
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}
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memset( pDest, iFill, iSetSize );
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pDest += iSetSize;
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}
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return pDestArg;
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}
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#endif
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