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author | Steve Block <steveblock@google.com> | 2010-02-15 12:23:52 +0000 |
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committer | Steve Block <steveblock@google.com> | 2010-02-16 11:48:32 +0000 |
commit | 8a0914b749bbe7da7768e07a7db5c6d4bb09472b (patch) | |
tree | 73f9065f370435d6fde32ae129d458a8c77c8dff /JavaScriptCore/wtf/ValueCheck.h | |
parent | bf14be70295513b8076f3fa47a268a7e42b2c478 (diff) | |
download | external_webkit-8a0914b749bbe7da7768e07a7db5c6d4bb09472b.zip external_webkit-8a0914b749bbe7da7768e07a7db5c6d4bb09472b.tar.gz external_webkit-8a0914b749bbe7da7768e07a7db5c6d4bb09472b.tar.bz2 |
Merge webkit.org at r54731 : Initial merge by git
Change-Id: Ia79977b6cf3b0b00c06ef39419989b28e57e4f4a
Diffstat (limited to 'JavaScriptCore/wtf/ValueCheck.h')
-rw-r--r-- | JavaScriptCore/wtf/ValueCheck.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/JavaScriptCore/wtf/ValueCheck.h b/JavaScriptCore/wtf/ValueCheck.h new file mode 100644 index 0000000..cd321b8 --- /dev/null +++ b/JavaScriptCore/wtf/ValueCheck.h @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2010 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef ValueCheck_h +#define ValueCheck_h + +// For malloc_size and _msize. +#if OS(DARWIN) +#include <malloc/malloc.h> +#elif COMPILER(MSVC) +#include <malloc.h> +#endif + +namespace WTF { + +template<typename T> struct ValueCheck { + typedef T TraitType; + static void checkConsistency(const T&) { } +}; + +#if !ASSERT_DISABLED +template<typename P> struct ValueCheck<P*> { + typedef P* TraitType; + static void checkConsistency(const P* p) + { + if (!p) + return; +#if (defined(USE_SYSTEM_MALLOC) && USE_SYSTEM_MALLOC) || !defined(NDEBUG) +#if OS(DARWIN) + ASSERT(malloc_size(p)); +#elif COMPILER(MSVC) + ASSERT(_msize(const_cast<P*>(p))); +#endif +#endif + ValueCheck<P>::checkConsistency(*p); + } +}; +#endif + +} + +#endif // ValueCheck_h |