Sweden-Number/memory/local.c

162 lines
4.3 KiB
C

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