memory/heap.c

/*
 * Win32 heap functions
 *
 * Copyright 1996 Alexandre Julliard
 * Copyright 1998 Ulrich Weigand
 *
 * 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
 */

#include "config.h"

#include <assert.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>

#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winnt.h"
#include "winreg.h"
#include "winternl.h"
#include "wine/unicode.h"
#include "thread.h"
#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(heap);

/***********************************************************************
 *           HeapLock   (KERNEL32.@)
 * Attempts to acquire the critical section object for a specified heap.
 *
 * RETURNS
 *	TRUE: Success
 *	FALSE: Failure
 */
BOOL WINAPI HeapLock(
              HANDLE heap /* [in] Handle of heap to lock for exclusive access */
) {
    return RtlLockHeap( heap );
}


/***********************************************************************
 *           HeapUnlock   (KERNEL32.@)
 * Releases ownership of the critical section object.
 *
 * RETURNS
 *	TRUE: Success
 *	FALSE: Failure
 */
BOOL WINAPI HeapUnlock(
              HANDLE heap /* [in] Handle to the heap to unlock */
) {
    return RtlUnlockHeap( heap );
}


/***********************************************************************
 *           GetProcessHeap    (KERNEL32.@)
 */
HANDLE WINAPI GetProcessHeap(void)
{
    return NtCurrentTeb()->Peb->ProcessHeap;
}


/* FIXME: these functions are needed for dlls that aren't properly separated yet */

LPVOID WINAPI HeapAlloc( HANDLE heap, DWORD flags, SIZE_T size )
{
    return RtlAllocateHeap( heap, flags, size );
}

BOOL WINAPI HeapFree( HANDLE heap, DWORD flags, LPVOID ptr )
{
    return RtlFreeHeap( heap, flags, ptr );
}

LPVOID WINAPI HeapReAlloc( HANDLE heap, DWORD flags, LPVOID ptr, SIZE_T size )
{
    return RtlReAllocateHeap( heap, flags, ptr, size );
}

SIZE_T WINAPI HeapSize( HANDLE heap, DWORD flags, LPVOID ptr )
{
    return RtlSizeHeap( heap, flags, ptr );
}