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 00022 #include "csutil/custom_new_disable.h" 00023 00028 namespace CS 00029 { 00030 namespace Memory 00031 { 00046 class CustomAllocated 00047 { 00048 public: 00049 // Potentially throwing versions 00050 #ifndef CS_NO_EXCEPTIONS 00051 CS_FORCEINLINE void* operator new (size_t s) throw (std::bad_alloc) 00052 { 00053 void* p = cs_malloc (s); 00054 if (!p) throw std::bad_alloc(); 00055 return p; 00056 } 00057 CS_FORCEINLINE void* operator new[] (size_t s) throw (std::bad_alloc) 00058 { 00059 void* p = cs_malloc (s); 00060 if (!p) throw std::bad_alloc(); 00061 return p; 00062 } 00063 #else 00064 CS_FORCEINLINE void* operator new (size_t s) throw () 00065 { return cs_malloc (s); } 00066 CS_FORCEINLINE void* operator new[] (size_t s) throw () 00067 { return cs_malloc (s); } 00068 #endif 00069 00070 CS_FORCEINLINE void operator delete (void* p) throw() 00071 { cs_free (p); } 00072 CS_FORCEINLINE void operator delete[] (void* p) throw() 00073 { cs_free (p); } 00074 00075 // Nothrow versions 00076 CS_FORCEINLINE void* operator new (size_t s, const std::nothrow_t&) throw() 00077 { return cs_malloc (s); } 00078 CS_FORCEINLINE void* operator new[] (size_t s, const std::nothrow_t&) throw() 00079 { return cs_malloc (s); } 00080 CS_FORCEINLINE void operator delete (void* p, const std::nothrow_t&) throw() 00081 { cs_free (p); } 00082 CS_FORCEINLINE void operator delete[] (void* p, const std::nothrow_t&) throw() 00083 { cs_free (p); } 00084 00085 // Placement versions 00086 CS_FORCEINLINE void* operator new(size_t /*s*/, void* p) throw() { return p; } 00087 CS_FORCEINLINE void* operator new[](size_t /*s*/, void* p) throw() { return p; } 00088 00089 CS_FORCEINLINE void operator delete(void*, void*) throw() { } 00090 CS_FORCEINLINE void operator delete[](void*, void*) throw() { } 00091 00092 #if defined(CS_EXTENSIVE_MEMDEBUG) || defined(CS_MEMORY_TRACKER) 00093 CS_FORCEINLINE void* operator new (size_t s, void*, int) 00094 { return cs_malloc (s); } 00095 CS_FORCEINLINE void operator delete (void* p, void*, int) 00096 { cs_free (p); } 00097 CS_FORCEINLINE void* operator new[] (size_t s, void*, int) 00098 { return cs_malloc (s); } 00099 CS_FORCEINLINE void operator delete[] (void* p, void*, int) 00100 { cs_free (p); } 00101 #endif 00102 }; 00103 00111 template<typename T> 00112 class CustomAllocatedDerived : public T 00113 { 00114 public: 00115 CustomAllocatedDerived () {} 00116 template<typename A> 00117 CustomAllocatedDerived (const A& a) : T (a) {} 00118 00119 // Potentially throwing versions 00120 #ifndef CS_NO_EXCEPTIONS 00121 CS_FORCEINLINE_TEMPLATEMETHOD void* operator new (size_t s) throw (std::bad_alloc) 00122 { 00123 void* p = cs_malloc (s); 00124 if (!p) throw std::bad_alloc(); 00125 return p; 00126 } 00127 CS_FORCEINLINE_TEMPLATEMETHOD void* operator new[] (size_t s) throw (std::bad_alloc) 00128 { 00129 void* p = cs_malloc (s); 00130 if (!p) throw std::bad_alloc(); 00131 return p; 00132 } 00133 #else 00134 CS_FORCEINLINE_TEMPLATEMETHOD void* operator new (size_t s) throw () 00135 { return cs_malloc (s); } 00136 CS_FORCEINLINE_TEMPLATEMETHOD void* operator new[] (size_t s) throw () 00137 { return cs_malloc (s); } 00138 #endif 00139 00140 CS_FORCEINLINE_TEMPLATEMETHOD void operator delete (void* p) throw() 00141 { cs_free (p); } 00142 CS_FORCEINLINE_TEMPLATEMETHOD void operator delete[] (void* p) throw() 00143 { cs_free (p); } 00144 00145 // Nothrow versions 00146 CS_FORCEINLINE_TEMPLATEMETHOD void* operator new (size_t s, const std::nothrow_t&) throw() 00147 { return cs_malloc (s); } 00148 CS_FORCEINLINE_TEMPLATEMETHOD void* operator new[] (size_t s, const std::nothrow_t&) throw() 00149 { return cs_malloc (s); } 00150 CS_FORCEINLINE_TEMPLATEMETHOD void operator delete (void* p, const std::nothrow_t&) throw() 00151 { cs_free (p); } 00152 CS_FORCEINLINE_TEMPLATEMETHOD void operator delete[] (void* p, const std::nothrow_t&) throw() 00153 { cs_free (p); } 00154 00155 // Placement versions 00156 CS_FORCEINLINE_TEMPLATEMETHOD void* operator new(size_t /*s*/, void* p) throw() { return p; } 00157 CS_FORCEINLINE_TEMPLATEMETHOD void* operator new[](size_t /*s*/, void* p) throw() { return p; } 00158 00159 CS_FORCEINLINE_TEMPLATEMETHOD void operator delete(void*, void*) throw() { } 00160 CS_FORCEINLINE_TEMPLATEMETHOD void operator delete[](void*, void*) throw() { } 00161 00162 #if defined(CS_EXTENSIVE_MEMDEBUG) || defined(CS_MEMORY_TRACKER) 00163 CS_FORCEINLINE_TEMPLATEMETHOD void* operator new (size_t s, void*, int) 00164 { return cs_malloc (s); } 00165 CS_FORCEINLINE_TEMPLATEMETHOD void operator delete (void* p, void*, int) 00166 { cs_free (p); } 00167 CS_FORCEINLINE_TEMPLATEMETHOD void* operator new[] (size_t s, void*, int) 00168 { return cs_malloc (s); } 00169 CS_FORCEINLINE_TEMPLATEMETHOD void operator delete[] (void* p, void*, int) 00170 { cs_free (p); } 00171 #endif 00172 }; 00173 } // namespace Memory 00174 } // namespace CS 00175 00176 #include "csutil/custom_new_enable.h" 00177 00178 #endif // __CS_CSUTIL_CUSTOMALLOCATED_H__
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