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1 /* | |
2 * Copyright (C) 2007 Apple Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * | |
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 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | |
14 * its contributors may be used to endorse or promote products derived | |
15 * from this software without specific prior written permission. | |
16 * | |
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 */ | |
28 | |
29 #include "config.h" | |
30 | |
31 #ifndef NDEBUG | |
32 | |
33 #include "GDIObjectCounter.h" | |
34 | |
35 #include "Logging.h" | |
36 #include <wtf/text/CString.h> | |
37 | |
38 #include <windows.h> | |
39 | |
40 namespace WebCore { | |
41 | |
42 GDIObjectCounter::GDIObjectCounter(const String& identifier) | |
43 { | |
44 init(identifier); | |
45 } | |
46 | |
47 GDIObjectCounter::GDIObjectCounter(const String& className, void* instance) | |
48 { | |
49 init(String::format("%s (%p)", className.latin1().data(), instance)); | |
50 } | |
51 | |
52 void GDIObjectCounter::init(const String& identifier) | |
53 { | |
54 m_identifier = identifier; | |
55 m_startCount = currentGDIObjectsInUse(); | |
56 m_endCount = 0; | |
57 } | |
58 | |
59 GDIObjectCounter::~GDIObjectCounter() | |
60 { | |
61 m_endCount = currentGDIObjectsInUse(); | |
62 int leaked = m_endCount - m_startCount; | |
63 if (leaked != 0) | |
64 LOG(PlatformLeaks, "%s: leaked %d GDI object%s!", m_identifier.latin1().
data(), leaked, leaked == 1 ? "" : "s"); | |
65 } | |
66 | |
67 unsigned GDIObjectCounter::currentGDIObjectsInUse() | |
68 { | |
69 return ::GetGuiResources(::GetCurrentProcess(), GR_GDIOBJECTS); | |
70 } | |
71 | |
72 } // namespace WebCore | |
73 | |
74 #endif // !defined(NDEBUG) | |
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