c++ c++-faq copy-constructor assignment-operator rule-of-three
C和C++中未定义,未指定和实现定义的行为有什么区别?
c c++ undefined-behavior unspecified-behavior implementation-defined-behavior
IP_ADAPTER_INFO *ptr=new IP_ADAPTER_INFO[100];
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如果我免费使用
delete ptr;
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它会导致内存泄漏,如果不是那么为什么?
这是VS2005生成的反汇编代码
; delete ptr;
0041351D mov eax,dword ptr [ptr]
00413520 mov dword ptr [ebp-0ECh],eax
00413526 mov ecx,dword ptr [ebp-0ECh]
0041352C push ecx
0041352D call operator delete (4111DBh)
00413532 add esp,4
; delete []ptr;
00413535 mov eax,dword ptr [ptr]
00413538 mov dword ptr [ebp-0E0h],eax
0041353E mov ecx,dword ptr [ebp-0E0h]
00413544 push ecx
00413545 call operator delete[] (4111E5h)
0041354A add esp,4
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