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      1 /*
      2  * Copyright (C) 2009 Apple Inc. All rights reserved.
      3  * Copyright (C) 2009 Torch Mobile, Inc.
      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_OwnPtrCommon_h
     28 #define WTF_OwnPtrCommon_h
     29 
     30 #if PLATFORM(WIN)
     31 typedef struct HBITMAP__* HBITMAP;
     32 typedef struct HBRUSH__* HBRUSH;
     33 typedef struct HDC__* HDC;
     34 typedef struct HFONT__* HFONT;
     35 typedef struct HPALETTE__* HPALETTE;
     36 typedef struct HPEN__* HPEN;
     37 typedef struct HRGN__* HRGN;
     38 #endif
     39 
     40 namespace WTF {
     41 
     42     template <typename T> inline void deleteOwnedPtr(T* ptr)
     43     {
     44         typedef char known[sizeof(T) ? 1 : -1];
     45         if (sizeof(known))
     46             delete ptr;
     47     }
     48 
     49 #if PLATFORM(WIN)
     50     void deleteOwnedPtr(HBITMAP);
     51     void deleteOwnedPtr(HBRUSH);
     52     void deleteOwnedPtr(HDC);
     53     void deleteOwnedPtr(HFONT);
     54     void deleteOwnedPtr(HPALETTE);
     55     void deleteOwnedPtr(HPEN);
     56     void deleteOwnedPtr(HRGN);
     57 #endif
     58 
     59 } // namespace WTF
     60 
     61 #endif // WTF_OwnPtrCommon_h
     62