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- /*
- * Copyright 2014-present Facebook, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- #include <folly/memory/detail/MallocImpl.h>
- extern "C" {
- #ifdef _MSC_VER
- // MSVC doesn't have weak symbols, so do some linker magic
- // to emulate them. (the magic is in the header)
- const char* mallocxWeak = nullptr;
- const char* rallocxWeak = nullptr;
- const char* xallocxWeak = nullptr;
- const char* sallocxWeak = nullptr;
- const char* dallocxWeak = nullptr;
- const char* sdallocxWeak = nullptr;
- const char* nallocxWeak = nullptr;
- const char* mallctlWeak = nullptr;
- const char* mallctlnametomibWeak = nullptr;
- const char* mallctlbymibWeak = nullptr;
- #elif !FOLLY_HAVE_WEAK_SYMBOLS
- void* (*mallocx)(size_t, int) = nullptr;
- void* (*rallocx)(void*, size_t, int) = nullptr;
- size_t (*xallocx)(void*, size_t, size_t, int) = nullptr;
- size_t (*sallocx)(const void*, int) = nullptr;
- void (*dallocx)(void*, int) = nullptr;
- void (*sdallocx)(void*, size_t, int) = nullptr;
- size_t (*nallocx)(size_t, int) = nullptr;
- int (*mallctl)(const char*, void*, size_t*, void*, size_t) = nullptr;
- int (*mallctlnametomib)(const char*, size_t*, size_t*) = nullptr;
- int (*mallctlbymib)(const size_t*, size_t, void*, size_t*, void*, size_t) =
- nullptr;
- #endif
- }
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