diff options
Diffstat (limited to 'memory/mozalloc/winheap.cpp')
-rw-r--r-- | memory/mozalloc/winheap.cpp | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/memory/mozalloc/winheap.cpp b/memory/mozalloc/winheap.cpp deleted file mode 100644 index 1d2e1e5599..0000000000 --- a/memory/mozalloc/winheap.cpp +++ /dev/null @@ -1,55 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- - * vim: sw=2 ts=4 et : - */ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -#include "mozilla/mozalloc.h" -#include <windows.h> - -#if !defined(MOZ_MEMORY) -# include <malloc.h> -# define malloc_impl malloc -# define calloc_impl calloc -# define realloc_impl realloc -# define free_impl free -#endif - -// Warning: C4273: 'HeapAlloc': inconsistent dll linkage -// The Windows headers define HeapAlloc as dllimport, but we define it as -// dllexport, which is a voluntary inconsistency. -#pragma warning(disable : 4273) - -MFBT_API -LPVOID WINAPI HeapAlloc(_In_ HANDLE hHeap, _In_ DWORD dwFlags, - _In_ SIZE_T dwBytes) { - if (dwFlags & HEAP_ZERO_MEMORY) { - return calloc_impl(1, dwBytes); - } - return malloc_impl(dwBytes); -} - -MFBT_API -LPVOID WINAPI HeapReAlloc(_In_ HANDLE hHeap, _In_ DWORD dwFlags, - _In_ LPVOID lpMem, _In_ SIZE_T dwBytes) { - // The HeapReAlloc contract is that failures preserve the existing - // allocation. We can't try to realloc in-place without possibly - // freeing the original allocation, breaking the contract. - // We also can't guarantee we zero all the memory from the end of - // the original allocation to the end of the new one because of the - // difference between the originally requested size and what - // malloc_usable_size would return us. - // So for both cases, just tell the caller we can't do what they - // requested. - if (dwFlags & (HEAP_REALLOC_IN_PLACE_ONLY | HEAP_ZERO_MEMORY)) { - return NULL; - } - return realloc_impl(lpMem, dwBytes); -} - -MFBT_API -BOOL WINAPI HeapFree(_In_ HANDLE hHeap, _In_ DWORD dwFlags, _In_ LPVOID lpMem) { - free_impl(lpMem); - return true; -} |