102 lines
1.4 KiB
C++
102 lines
1.4 KiB
C++
|
/*++
|
||
|
|
|
||
|
|
Copyright (c) 1999 Microsoft Corporation
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
Alloc.cpp
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
Custom heap allocator
|
||
|
|
|
||
|
|
Author:
|
||
|
|
George V. Reilly (GeorgeRe) Oct-1999
|
||
|
|
|
||
|
|
Environment:
|
||
|
|
Win32 - User Mode
|
||
|
|
|
||
|
|
Project:
|
||
|
|
Internet Information Server RunTime Library
|
||
|
|
|
||
|
|
Revision History:
|
||
|
|
10/11/1999 - Initial
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
#include "precomp.hxx"
|
||
|
|
#include "alloc.h"
|
||
|
|
#include <irtldbg.h>
|
||
|
|
|
||
|
|
|
||
|
|
// Private heap for IIS
|
||
|
|
|
||
|
|
HANDLE g_hHeap = NULL;
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
WINAPI
|
||
|
|
IisHeapInitialize()
|
||
|
|
{
|
||
|
|
g_hHeap = ::HeapCreate(0, 0, 0);
|
||
|
|
return (g_hHeap != NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID
|
||
|
|
WINAPI
|
||
|
|
IisHeapTerminate()
|
||
|
|
{
|
||
|
|
if (g_hHeap)
|
||
|
|
{
|
||
|
|
IRTLVERIFY(::HeapDestroy(g_hHeap));
|
||
|
|
g_hHeap = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Private IIS heap
|
||
|
|
HANDLE
|
||
|
|
WINAPI
|
||
|
|
IisHeap()
|
||
|
|
{
|
||
|
|
IRTLASSERT(g_hHeap != NULL);
|
||
|
|
return g_hHeap;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Allocate dwBytes
|
||
|
|
LPVOID
|
||
|
|
WINAPI
|
||
|
|
IisMalloc(
|
||
|
|
IN SIZE_T dwBytes)
|
||
|
|
{
|
||
|
|
IRTLASSERT(g_hHeap != NULL);
|
||
|
|
return ::HeapAlloc( g_hHeap, 0, dwBytes );
|
||
|
|
}
|
||
|
|
|
||
|
|
// Allocate dwBytes. Memory is zeroed
|
||
|
|
LPVOID
|
||
|
|
WINAPI
|
||
|
|
IisCalloc(
|
||
|
|
IN SIZE_T dwBytes)
|
||
|
|
{
|
||
|
|
IRTLASSERT(g_hHeap != NULL);
|
||
|
|
return ::HeapAlloc( g_hHeap, HEAP_ZERO_MEMORY, dwBytes );
|
||
|
|
}
|
||
|
|
|
||
|
|
// Reallocate lpMem to dwBytes
|
||
|
|
LPVOID
|
||
|
|
WINAPI
|
||
|
|
IisReAlloc(
|
||
|
|
IN LPVOID lpMem,
|
||
|
|
IN SIZE_T dwBytes)
|
||
|
|
{
|
||
|
|
IRTLASSERT(g_hHeap != NULL);
|
||
|
|
return ::HeapReAlloc( g_hHeap, 0, lpMem, dwBytes);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Free lpMem
|
||
|
|
BOOL
|
||
|
|
WINAPI
|
||
|
|
IisFree(
|
||
|
|
IN LPVOID lpMem)
|
||
|
|
{
|
||
|
|
IRTLASSERT(g_hHeap != NULL);
|
||
|
|
return ::HeapFree( g_hHeap, 0, lpMem );
|
||
|
|
}
|