325 lines
7.6 KiB
C++
325 lines
7.6 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: This header, which must be the final include in a .cpp (or .h) file,
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// causes all crt methods to use debugging versions of the memory allocators.
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// NOTE: Use memdbgoff.h to disable memory debugging.
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//
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// $NoKeywords: $
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//=============================================================================//
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// SPECIAL NOTE! This file must *not* use include guards; we need to be able
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// to include this potentially multiple times (since we can deactivate debugging
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// by including memdbgoff.h)
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#if !defined(STEAM) && !defined(NO_MALLOC_OVERRIDE)
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// SPECIAL NOTE #2: This must be the final include in a .cpp or .h file!!!
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#if defined(_DEBUG) && !defined(USE_MEM_DEBUG)
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#define USE_MEM_DEBUG 1
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#endif
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// If debug build or ndebug and not already included MS custom alloc files, or already included this file
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#if (defined(_DEBUG) || !defined(_INC_CRTDBG)) || defined(MEMDBGON_H)
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#include "basetypes.h"
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#ifdef _WIN32
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#include <tchar.h>
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#else
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#include <wchar.h>
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#endif
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#include <string.h>
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#ifdef OSX
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#include <malloc/malloc.h>
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#else
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#include <malloc.h>
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#endif
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#include "commonmacros.h"
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#include "memalloc.h"
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#if defined(USE_MEM_DEBUG)
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#if defined( POSIX )
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#define _NORMAL_BLOCK 1
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#include <cstddef>
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#ifndef ANDROID
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#include <glob.h>
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#endif
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#include <new>
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#include <sys/types.h>
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#if !defined( DID_THE_OPERATOR_NEW )
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#define DID_THE_OPERATOR_NEW
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// posix doesn't have a new of this form, so we impl our own
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#ifdef OSX
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void* operator new( size_t nSize, int blah, const char *pFileName, int nLine ) throw (std::bad_alloc);
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void* operator new[]( size_t nSize, int blah, const char *pFileName, int nLine ) throw (std::bad_alloc);
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#else
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void* operator new( size_t nSize, int blah, const char *pFileName, int nLine );
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void* operator new[]( size_t nSize, int blah, const char *pFileName, int nLine );
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#endif
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#endif
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#else // defined(POSIX)
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// Include crtdbg.h and make sure _DEBUG is set to 1.
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#if !defined(_DEBUG)
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#define _DEBUG 1
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#include <crtdbg.h>
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#undef _DEBUG
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#else
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#include <crtdbg.h>
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#endif // !defined(_DEBUG)
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#endif // defined(POSIX)
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#endif
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#include "tier0/memdbgoff.h"
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// --------------------------------------------------------
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// Debug/non-debug agnostic elements
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#define MEM_OVERRIDE_ON 1
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#undef malloc
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#undef realloc
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#undef calloc
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#undef _expand
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#undef free
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#undef _msize
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#undef _aligned_malloc
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#undef _aligned_free
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#ifndef MEMDBGON_H
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inline void *MemAlloc_InlineCallocMemset( void *pMem, size_t nCount, size_t nElementSize)
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{
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memset(pMem, 0, nElementSize * nCount);
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return pMem;
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}
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#endif
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#define calloc(c, s) MemAlloc_InlineCallocMemset(malloc(c*s), c, s)
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#define free(p) g_pMemAlloc->Free( p )
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#define _msize(p) g_pMemAlloc->GetSize( p )
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#define _expand(p, s) _expand_NoLongerSupported(p, s)
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#define _aligned_free( p ) MemAlloc_FreeAligned( p )
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// --------------------------------------------------------
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// Debug path
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#if defined(USE_MEM_DEBUG)
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#define malloc(s) g_pMemAlloc->Alloc( s, __FILE__, __LINE__)
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#define realloc(p, s) g_pMemAlloc->Realloc( p, s, __FILE__, __LINE__ )
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#define _aligned_malloc( s, a ) MemAlloc_AllocAligned( s, a, __FILE__, __LINE__ )
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#ifdef _malloc_dbg
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#undef _malloc_dbg
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#endif
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#define _malloc_dbg(s, t, f, l) WHYCALLINGTHISDIRECTLY(s)
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#if !defined( POSIX )
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#if defined(__AFX_H__) && defined(DEBUG_NEW)
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#define new DEBUG_NEW
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#else
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#undef new
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#define MEMALL_DEBUG_NEW new(_NORMAL_BLOCK, __FILE__, __LINE__)
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#define new MEMALL_DEBUG_NEW
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#endif
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#endif
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#undef _strdup
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#undef strdup
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#undef _wcsdup
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#undef wcsdup
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#define _strdup(s) MemAlloc_StrDup(s, __FILE__, __LINE__)
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#define strdup(s) MemAlloc_StrDup(s, __FILE__, __LINE__)
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#define _wcsdup(s) MemAlloc_WcStrDup(s, __FILE__, __LINE__)
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#define wcsdup(s) MemAlloc_WcStrDup(s, __FILE__, __LINE__)
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// Make sure we don't define strdup twice
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#if !defined(MEMDBGON_H)
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inline char *MemAlloc_StrDup(const char *pString, const char *pFileName, unsigned nLine)
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{
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char *pMemory;
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if (!pString)
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return NULL;
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size_t len = strlen(pString) + 1;
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if ((pMemory = (char *)g_pMemAlloc->Alloc(len, pFileName, nLine)) != NULL)
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{
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return strcpy( pMemory, pString );
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}
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return NULL;
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}
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inline wchar_t *MemAlloc_WcStrDup(const wchar_t *pString, const char *pFileName, unsigned nLine)
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{
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wchar_t *pMemory;
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if (!pString)
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return NULL;
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size_t len = (wcslen(pString) + 1);
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if ((pMemory = (wchar_t *)g_pMemAlloc->Alloc(len * sizeof(wchar_t), pFileName, nLine)) != NULL)
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{
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return wcscpy( pMemory, pString );
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}
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return NULL;
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}
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#endif // DBMEM_DEFINED_STRDUP
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#else
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// --------------------------------------------------------
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// Release path
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#define malloc(s) g_pMemAlloc->Alloc( s )
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#define realloc(p, s) g_pMemAlloc->Realloc( p, s )
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#define _aligned_malloc( s, a ) MemAlloc_AllocAligned( s, a )
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#ifdef _malloc_dbg
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#undef _malloc_dbg
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#endif
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#define _malloc_dbg(s, t, f, l) WHYCALLINGTHISDIRECTLY(s)
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#undef new
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#undef _strdup
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#undef strdup
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#undef _wcsdup
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#undef wcsdup
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#define _strdup(s) MemAlloc_StrDup(s)
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#define strdup(s) MemAlloc_StrDup(s)
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#define _wcsdup(s) MemAlloc_WcStrDup(s)
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#define wcsdup(s) MemAlloc_WcStrDup(s)
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// Make sure we don't define strdup twice
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#if !defined(MEMDBGON_H)
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inline char *MemAlloc_StrDup(const char *pString)
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{
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char *pMemory;
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if (!pString)
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return NULL;
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size_t len = strlen(pString) + 1;
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if ((pMemory = (char *)g_pMemAlloc->Alloc(len)) != NULL)
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{
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return strcpy( pMemory, pString );
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}
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return NULL;
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}
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inline wchar_t *MemAlloc_WcStrDup(const wchar_t *pString)
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{
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wchar_t *pMemory;
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if (!pString)
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return NULL;
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size_t len = (wcslen(pString) + 1);
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if ((pMemory = (wchar_t *)g_pMemAlloc->Alloc(len * sizeof(wchar_t))) != NULL)
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{
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return wcscpy( pMemory, pString );
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}
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return NULL;
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}
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#endif // DBMEM_DEFINED_STRDUP
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#endif // USE_MEM_DEBUG
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#define MEMDBGON_H // Defined here so can be used above
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#else
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#if defined(USE_MEM_DEBUG)
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#ifndef _STATIC_LINKED
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#pragma message ("Note: file includes crtdbg.h directly, therefore will cannot use memdbgon.h in non-debug build")
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#else
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#error "Error: file includes crtdbg.h directly, therefore will cannot use memdbgon.h in non-debug build. Not recoverable in static build"
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#endif
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#endif
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#endif // _INC_CRTDBG
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#else
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// Needed for MEM_ALLOC_CREDIT(), MemAlloc_Alloc(), etc.
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#include "memalloc.h"
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#if !defined( VALVE_ALLOCS_DEFINED )
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#define VALVE_ALLOCS_DEFINED
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#include "tier0/mem.h"
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inline void *valve_malloc_check_oom( size_t size )
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{
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void *ptr = malloc( size );
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if ( !ptr )
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MemAllocOOMError( size );
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return ptr;
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}
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inline void *valve_realloc_check_oom( void *ptr, size_t size )
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{
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void *ret = realloc( ptr, size );
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if ( !ret )
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MemAllocOOMError( size );
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return ret;
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}
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inline void *valve_calloc_check_oom( size_t num, size_t size )
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{
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void *ptr = calloc( num, size );
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if (!ptr)
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MemAllocOOMError( num * size );
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return ptr;
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}
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inline void *valve_memalign_check_oom( size_t alignment, size_t size )
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{
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void *ptr = memalign( alignment, size );
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if (!ptr)
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MemAllocOOMError(size);
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return ptr;
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}
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inline void *valve_aligned_malloc_check_oom( size_t size, size_t alignment )
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{
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void *ptr = _aligned_malloc( size, alignment );
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if (!ptr)
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MemAllocOOMError( size );
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return ptr;
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}
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#endif // VALVE_ALLOCS_DEFINED
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#define malloc valve_malloc_check_oom
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#define realloc valve_realloc_check_oom
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#define calloc valve_calloc_check_oom
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#define memalign valve_memalign_check_oom
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#define _aligned_malloc valve_aligned_malloc_check_oom
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#endif // !STEAM && !NO_MALLOC_OVERRIDE
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#if defined( NO_MALLOC_OVERRIDE )
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#undef malloc
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#undef realloc
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#undef calloc
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#undef memalign
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#undef _aligned_malloc
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#endif // NO_MALLOC_OVERRIDE
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