diff options
Diffstat (limited to 'src/corelib/global/qmalloc.cpp')
| -rw-r--r-- | src/corelib/global/qmalloc.cpp | 71 |
1 files changed, 6 insertions, 65 deletions
diff --git a/src/corelib/global/qmalloc.cpp b/src/corelib/global/qmalloc.cpp index b071c1df62..d413a35c6b 100644 --- a/src/corelib/global/qmalloc.cpp +++ b/src/corelib/global/qmalloc.cpp @@ -1,42 +1,7 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2020 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only +#include "qmalloc.h" #include "qplatformdefs.h" #include <stdlib.h> @@ -49,29 +14,6 @@ QT_BEGIN_NAMESPACE -#if !QT_DEPRECATED_SINCE(5, 0) -// Make sure they're defined to be exported -Q_CORE_EXPORT void *qMalloc(size_t size) Q_ALLOC_SIZE(1); -Q_CORE_EXPORT void qFree(void *ptr); -Q_CORE_EXPORT void *qRealloc(void *ptr, size_t size) Q_ALLOC_SIZE(2); -#endif - - -void *qMalloc(size_t size) -{ - return ::malloc(size); -} - -void qFree(void *ptr) -{ - ::free(ptr); -} - -void *qRealloc(void *ptr, size_t size) -{ - return ::realloc(ptr, size); -} - void *qMallocAligned(size_t size, size_t alignment) { return qReallocAligned(nullptr, size, 0, alignment); @@ -81,9 +23,9 @@ void *qReallocAligned(void *oldptr, size_t newsize, size_t oldsize, size_t align { // fake an aligned allocation void *actualptr = oldptr ? static_cast<void **>(oldptr)[-1] : nullptr; - if (alignment <= sizeof(void*)) { + if (alignment <= sizeof(void *)) { // special, fast case - void **newptr = static_cast<void **>(realloc(actualptr, newsize + sizeof(void*))); + void **newptr = static_cast<void **>(realloc(actualptr, newsize + sizeof(void *))); if (!newptr) return nullptr; if (newptr == actualptr) { @@ -103,6 +45,7 @@ void *qReallocAligned(void *oldptr, size_t newsize, size_t oldsize, size_t align // However, we need to store the actual pointer, so we need to allocate actually size + // alignment anyway. + qptrdiff oldoffset = oldptr ? static_cast<char *>(oldptr) - static_cast<char *>(actualptr) : 0; void *real = realloc(actualptr, newsize + alignment); if (!real) return nullptr; @@ -112,7 +55,6 @@ void *qReallocAligned(void *oldptr, size_t newsize, size_t oldsize, size_t align void **faked_ptr = reinterpret_cast<void **>(faked); if (oldptr) { - qptrdiff oldoffset = static_cast<char *>(oldptr) - static_cast<char *>(actualptr); qptrdiff newoffset = reinterpret_cast<char *>(faked_ptr) - static_cast<char *>(real); if (oldoffset != newoffset) memmove(faked_ptr, static_cast<char *>(real) + oldoffset, qMin(oldsize, newsize)); @@ -135,4 +77,3 @@ void qFreeAligned(void *ptr) } QT_END_NAMESPACE - |