164 lines
4.3 KiB
C
164 lines
4.3 KiB
C
/*
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* Local heap functions
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*
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* Copyright 1995 Alexandre Julliard
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* Copyright 1996 Huw Davies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* Note:
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* All local heap functions need the current DS as first parameter
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* when called from the emulation library, so they take one more
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* parameter than usual.
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*/
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#include "config.h"
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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/***********************************************************************
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* LocalAlloc (KERNEL32.@)
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* RETURNS
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* Handle: Success
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* NULL: Failure
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*/
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HLOCAL WINAPI LocalAlloc(
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UINT flags, /* [in] Allocation attributes */
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SIZE_T size /* [in] Number of bytes to allocate */
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) {
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return (HLOCAL)GlobalAlloc( flags, size );
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}
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/***********************************************************************
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* LocalCompact (KERNEL32.@)
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*/
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SIZE_T WINAPI LocalCompact( UINT minfree )
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{
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return 0; /* LocalCompact does nothing in Win32 */
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}
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/***********************************************************************
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* LocalFlags (KERNEL32.@)
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* RETURNS
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* Value specifying allocation flags and lock count.
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* LMEM_INVALID_HANDLE: Failure
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*/
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UINT WINAPI LocalFlags(
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HLOCAL handle /* [in] Handle of memory object */
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) {
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return GlobalFlags( (HGLOBAL)handle );
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}
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/***********************************************************************
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* LocalFree (KERNEL32.@)
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* RETURNS
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* NULL: Success
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* Handle: Failure
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*/
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HLOCAL WINAPI LocalFree(
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HLOCAL handle /* [in] Handle of memory object */
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) {
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return (HLOCAL)GlobalFree( (HGLOBAL)handle );
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}
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/***********************************************************************
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* LocalHandle (KERNEL32.@)
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* RETURNS
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* Handle: Success
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* NULL: Failure
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*/
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HLOCAL WINAPI LocalHandle(
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LPCVOID ptr /* [in] Address of local memory object */
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) {
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return (HLOCAL)GlobalHandle( ptr );
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}
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/***********************************************************************
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* LocalLock (KERNEL32.@)
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* Locks a local memory object and returns pointer to the first byte
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* of the memory block.
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*
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* RETURNS
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* Pointer: Success
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* NULL: Failure
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*/
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LPVOID WINAPI LocalLock(
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HLOCAL handle /* [in] Address of local memory object */
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) {
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return GlobalLock( (HGLOBAL)handle );
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}
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/***********************************************************************
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* LocalReAlloc (KERNEL32.@)
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* RETURNS
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* Handle: Success
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* NULL: Failure
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*/
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HLOCAL WINAPI LocalReAlloc(
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HLOCAL handle, /* [in] Handle of memory object */
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SIZE_T size, /* [in] New size of block */
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UINT flags /* [in] How to reallocate object */
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) {
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return (HLOCAL)GlobalReAlloc( (HGLOBAL)handle, size, flags );
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}
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/***********************************************************************
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* LocalShrink (KERNEL32.@)
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*/
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SIZE_T WINAPI LocalShrink( HGLOBAL handle, UINT newsize )
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{
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return 0; /* LocalShrink does nothing in Win32 */
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}
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/***********************************************************************
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* LocalSize (KERNEL32.@)
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* RETURNS
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* Size: Success
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* 0: Failure
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*/
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SIZE_T WINAPI LocalSize(
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HLOCAL handle /* [in] Handle of memory object */
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) {
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return GlobalSize( (HGLOBAL)handle );
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}
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/***********************************************************************
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* LocalUnlock (KERNEL32.@)
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* RETURNS
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* TRUE: Object is still locked
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* FALSE: Object is unlocked
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*/
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BOOL WINAPI LocalUnlock(
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HLOCAL handle /* [in] Handle of memory object */
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) {
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return GlobalUnlock( (HGLOBAL)handle );
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}
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