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Diffstat (limited to 'sal/cpprt/operators_new_delete.cxx')
| -rw-r--r-- | sal/cpprt/operators_new_delete.cxx | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/sal/cpprt/operators_new_delete.cxx b/sal/cpprt/operators_new_delete.cxx deleted file mode 100644 index a8d77eb6f19d..000000000000 --- a/sal/cpprt/operators_new_delete.cxx +++ /dev/null @@ -1,232 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/* - * This file is part of the LibreOffice project. - * - * 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/. - * - * This file incorporates work covered by the following license notice: - * - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed - * with this work for additional information regarding copyright - * ownership. The ASF licenses this file to you 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 . - */ - -#include <algorithm> -#include <cstddef> -#include <new> -#include <string.h> - -#include <config_global.h> -#include <osl/diagnose.h> -#include <rtl/alloc.h> - -// AllocatorTraits - -namespace -{ - -struct AllocatorTraits -{ - typedef char const signature_type[8]; - const signature_type & m_signature; - - explicit AllocatorTraits (signature_type const & s) - : m_signature (s) - {} - - static std::size_t size (std::size_t n) - { - n = std::max(n, std::size_t(1)); -#if OSL_DEBUG_LEVEL > 0 - n += sizeof(signature_type); -#endif /* OSL_DEBUG_LEVEL */ - return n; - } - - void* init (void * p) const - { -#if OSL_DEBUG_LEVEL > 0 - memcpy (p, m_signature, sizeof(signature_type)); - p = static_cast<char*>(p) + sizeof(signature_type); -#else - (void) this; // silence loplugin:staticmethods -#endif /* OSL_DEBUG_LEVEL */ - return p; - } - - void* fini (void * p) const - { -#if OSL_DEBUG_LEVEL > 0 - p = static_cast<char*>(p) - sizeof(signature_type); - if (memcmp (p, m_signature, sizeof(signature_type)) != 0) - { - OSL_FAIL("operator delete mismatch"); - } -#else - (void) this; // silence loplugin:staticmethods -#endif /* OSL_DEBUG_LEVEL */ - return p; - } -}; - -struct VectorTraits : public AllocatorTraits -{ - static const signature_type g_signature; - - VectorTraits() - : AllocatorTraits (g_signature) - {} -}; - -struct ScalarTraits : public AllocatorTraits -{ - static const signature_type g_signature; - - ScalarTraits() - : AllocatorTraits (g_signature) - {} -}; - -const AllocatorTraits::signature_type VectorTraits::g_signature = "new[]()"; -const AllocatorTraits::signature_type ScalarTraits::g_signature = "new() "; - -} // anonymous namespace - -// Allocator - -static void default_handler() -{ - // Multithreading race in 'std::set_new_handler()' call sequence below. - throw std::bad_alloc(); -} - -static void* allocate ( - std::size_t n, AllocatorTraits const & rTraits) -{ - n = AllocatorTraits::size (n); - for (;;) - { - void * p = rtl_allocateMemory (sal_Size(n)); - if (p != nullptr) - return rTraits.init (p); - - std::new_handler d = default_handler, f = std::set_new_handler (d); - if (f != d) - std::set_new_handler (f); - - if (f == nullptr) - throw std::bad_alloc(); - (*f)(); - } -} - -static void* allocate_nothrow ( - std::size_t n, AllocatorTraits const & rTraits) -{ - try - { - return allocate (n, rTraits); - } - catch (std::bad_alloc const &) - { - return nullptr; - } -} - -static void deallocate (void * p, AllocatorTraits const & rTraits) -{ - if (p) - { - rtl_freeMemory (rTraits.fini(p)); - } -} - -// T * p = new T; delete p; - -void* SAL_CALL operator new (std::size_t n) -#if !defined _MSC_VER - throw (std::bad_alloc) -#endif -{ - return allocate (n, ScalarTraits()); -} - -void SAL_CALL operator delete (void * p) throw () -{ - deallocate (p, ScalarTraits()); -} - -#if HAVE_CXX14_SIZED_DEALLOCATION -#if defined __clang__ -#pragma GCC diagnostic push // as happens on Mac OS X: -#pragma GCC diagnostic ignored "-Wimplicit-exception-spec-mismatch" -#endif -void SAL_CALL operator delete (void * p, std::size_t) noexcept -{ - deallocate (p, ScalarTraits()); -} -#if defined __clang__ -#pragma GCC diagnostic pop -#endif -#endif - -// T * p = new(nothrow) T; delete(nothrow) p; - -void* SAL_CALL operator new (std::size_t n, std::nothrow_t const &) throw () -{ - return allocate_nothrow (n, ScalarTraits()); -} - -void SAL_CALL operator delete (void * p, std::nothrow_t const &) throw () -{ - deallocate (p, ScalarTraits()); -} - -// T * p = new T[n]; delete[] p; - -void* SAL_CALL operator new[] (std::size_t n) throw (std::bad_alloc) -{ - return allocate (n, VectorTraits()); -} - -void SAL_CALL operator delete[] (void * p) -#if !defined _MSC_VER || _MSC_VER >= 1900 - throw () -#endif -{ - deallocate (p, VectorTraits()); -} - -#if HAVE_CXX14_SIZED_DEALLOCATION -#if defined __clang__ -#pragma GCC diagnostic push // as happens on Mac OS X: -#pragma GCC diagnostic ignored "-Wimplicit-exception-spec-mismatch" -#endif -void SAL_CALL operator delete[] (void * p, std::size_t) noexcept -{ - deallocate (p, VectorTraits()); -} -#if defined __clang__ -#pragma GCC diagnostic pop -#endif -#endif - -// T * p = new(nothrow) T[n]; delete(nothrow)[] p; - -void* SAL_CALL operator new[] (std::size_t n, std::nothrow_t const &) throw () -{ - return allocate_nothrow (n, VectorTraits()); -} - -void SAL_CALL operator delete[] (void * p, std::nothrow_t const &) throw () -{ - deallocate (p, VectorTraits()); -} - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |