author | ohair |
Tue, 28 Dec 2010 15:53:50 -0800 | |
changeset 7668 | d4a77089c587 |
parent 5506 | 202f599c92aa |
child 16093 | b305a8dc867f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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#ifndef __SAFE_ALLOC_H__ |
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#define __SAFE_ALLOC_H__ |
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#include "j2d_md.h" |
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/* |
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* Macroses defined below are wrappers for alloc functions |
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* that perform buffer size calculation with integer overflow |
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* check. |
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*/ |
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#define SAFE_TO_ALLOC_2(c, sz) \ |
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(((c) > 0) && ((sz) > 0) && \ |
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5187
2358d9e7ca64
6914866: Sun JRE ImagingLib arbitrary code execution vulnerability
bae
parents:
2
diff
changeset
|
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((0xffffffffu / ((juint)(c))) > ((juint)(sz)))) |
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#define SAFE_TO_ALLOC_3(w, h, sz) \ |
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(((w) > 0) && ((h) > 0) && ((sz) > 0) && \ |
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5187
2358d9e7ca64
6914866: Sun JRE ImagingLib arbitrary code execution vulnerability
bae
parents:
2
diff
changeset
|
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(((0xffffffffu / ((juint)(w))) / ((juint)(h))) > ((juint)(sz)))) |
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#endif // __SAFE_ALLOC_H__ |