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csutil/customallocated.h

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00001 /*
00002   Copyright (C) 2007 by Frank Richter
00003 
00004   This library is free software; you can redistribute it and/or
00005   modify it under the terms of the GNU Library General Public
00006   License as published by the Free Software Foundation; either
00007   version 2 of the License, or (at your option) any later version.
00008 
00009   This library is distributed in the hope that it will be useful,
00010   but WITHOUT ANY WARRANTY; without even the implied warranty of
00011   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00012   Library General Public License for more details.
00013 
00014   You should have received a copy of the GNU Library General Public
00015   License along with this library; if not, write to the Free
00016   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_CSUTIL_CUSTOMALLOCATED_H__
00020 #define __CS_CSUTIL_CUSTOMALLOCATED_H__
00021 
00026 namespace CS
00027 {
00028   namespace Memory
00029   {
00034     class CustomAllocated
00035     {
00036     public:
00037       // Potentially throwing versions
00038     #ifndef CS_NO_EXCEPTIONS
00039       CS_FORCEINLINE void* operator new (size_t s) throw (std::bad_alloc)
00040       { 
00041         void* p = cs_malloc (s);
00042         if (!p) throw std::bad_alloc();
00043         return p;
00044       }
00045       CS_FORCEINLINE void* operator new[] (size_t s) throw (std::bad_alloc)
00046       { 
00047         void* p = cs_malloc (s);
00048         if (!p) throw std::bad_alloc();
00049         return p;
00050       }
00051     #else
00052       CS_FORCEINLINE void* operator new (size_t s) throw ()
00053       { return cs_malloc (s); }
00054       CS_FORCEINLINE void* operator new[] (size_t s) throw ()
00055       { return cs_malloc (s); }
00056     #endif
00057       
00058       CS_FORCEINLINE void operator delete (void* p) throw()
00059       { cs_free (p); }
00060       CS_FORCEINLINE void operator delete[] (void* p) throw()
00061       { cs_free (p); }
00062       
00063       // Nothrow versions
00064       CS_FORCEINLINE void* operator new (size_t s, const std::nothrow_t&) throw()
00065       { return cs_malloc (s); }
00066       CS_FORCEINLINE void* operator new[] (size_t s, const std::nothrow_t&) throw()
00067       { return cs_malloc (s); }
00068       CS_FORCEINLINE void operator delete (void* p, const std::nothrow_t&) throw()
00069       { cs_free (p); }
00070       CS_FORCEINLINE void operator delete[] (void* p, const std::nothrow_t&) throw()
00071       { cs_free (p); }
00072       
00073       // Placement versions
00074       CS_FORCEINLINE void* operator new(size_t /*s*/, void* p) throw() { return p; }
00075       CS_FORCEINLINE void* operator new[](size_t /*s*/, void* p) throw() { return p; }
00076 
00077       CS_FORCEINLINE void operator delete(void*, void*) throw() { }
00078       CS_FORCEINLINE void operator delete[](void*, void*) throw() { }
00079     };
00080   } // namespace Memory
00081 } // namespace CS
00082 
00083 #endif // __CS_CSUTIL_CUSTOMALLOCATED_H__

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