93 lines
1.7 KiB
C++
93 lines
1.7 KiB
C++
// Copyright (c) 1997-1999 Microsoft Corporation
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//
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// memory management stuff
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//
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// 22-Nov-1999 sburns (refactored)
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//
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// This file is #include'd from mem.cpp
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// DO NOT include in the sources file list
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//
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// this is the retail version:
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#ifdef DBG
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#error This file must NOT be compiled with the DBG symbol defined
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#endif
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//
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// Retail build only
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//
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void
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Burnslib::Heap::Initialize()
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{
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// we do not make available instrumented heap in retail builds, so there
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// is nothing to do here.
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}
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void*
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Burnslib::Heap::OperatorNew(
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size_t size,
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const char* /* file */ ,
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int /* line */ )
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throw (std::bad_alloc)
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{
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void* ptr = 0;
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for (;;)
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{
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// NOTE: if some other user of the CRT has used _set_new_mode or
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// _CrtSetAllocHook, then they may circumvent our careful arrangement
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// and hose us. The really sad part is that the only way to prevent
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// that problem is for us to not use any CRT heap functions.
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ptr = malloc(size);
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if (ptr)
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{
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break;
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}
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// the allocation failed. Give the user the opportunity to try to
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// free some, or throw an exception.
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if (DoLowMemoryDialog() == IDRETRY)
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{
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continue;
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}
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::OutputDebugString(RUNTIME_NAME);
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::OutputDebugString(
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L" Burnslib::Heap::OperatorNew: user opted to throw bad_alloc\n");
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throw nomem;
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}
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return ptr;
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}
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void
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Burnslib::Heap::OperatorDelete(void* ptr)
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throw ()
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{
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free(ptr);
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}
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void
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Burnslib::Heap::DumpMemoryLeaks()
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{
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// does nothing in the retail (free) build.
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}
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