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1 /* | |
2 * Copyright (C) 2009, 2010 Apple Inc. All rights reserved. | |
3 * Copyright (C) 2013 Intel Corporation. All rights reserved. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions | |
7 * are met: | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | |
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
25 */ | |
26 | |
27 #ifndef WTF_PassOwnPtr_h | |
28 #define WTF_PassOwnPtr_h | |
29 | |
30 #include "wtf/Allocator.h" | |
31 #include "wtf/Forward.h" | |
32 #include "wtf/Noncopyable.h" | |
33 #include "wtf/OwnPtr.h" | |
34 | |
35 namespace WTF { | |
36 | |
37 // PassOwnPtr is now an alias of OwnPtr, as defined in Forward.h. | |
38 | |
39 template <typename T> PassOwnPtr<T> adoptPtr(T*); | |
40 template <typename T> PassOwnPtr<T[]> adoptArrayPtr(T*); | |
41 | |
42 template <typename T> inline PassOwnPtr<T> adoptPtr(T* ptr) | |
43 { | |
44 return PassOwnPtr<T>(ptr); | |
45 } | |
46 | |
47 template <typename T> inline PassOwnPtr<T[]> adoptArrayPtr(T* ptr) | |
48 { | |
49 return PassOwnPtr<T[]>(ptr); | |
50 } | |
51 | |
52 template <typename T, typename U> inline PassOwnPtr<T> static_pointer_cast(PassO
wnPtr<U>&& p) | |
53 { | |
54 static_assert(!std::is_array<T>::value, "pointers to array must never be con
verted"); | |
55 return adoptPtr(static_cast<T*>(p.leakPtr())); | |
56 } | |
57 | |
58 } // namespace WTF | |
59 | |
60 using WTF::adoptPtr; | |
61 using WTF::adoptArrayPtr; | |
62 using WTF::static_pointer_cast; | |
63 | |
64 #endif // WTF_PassOwnPtr_h | |
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