Team Fortress 2 Source Code as on 22/4/2020
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: This header, which must be the final include in a .cpp (or .h) file,
// causes all crt methods to use debugging versions of the memory allocators.
// NOTE: Use memdbgoff.h to disable memory debugging.
//
// $NoKeywords: $
//=============================================================================//
// SPECIAL NOTE! This file must *not* use include guards; we need to be able
// to include this potentially multiple times (since we can deactivate debugging
// by including memdbgoff.h)
#if !defined(STEAM) && !defined(NO_MALLOC_OVERRIDE)
// SPECIAL NOTE #2: This must be the final include in a .cpp or .h file!!!
#if defined(_DEBUG) && !defined(USE_MEM_DEBUG)
#define USE_MEM_DEBUG 1
#endif
// If debug build or ndebug and not already included MS custom alloc files, or already included this file
#if (defined(_DEBUG) || !defined(_INC_CRTDBG)) || defined(MEMDBGON_H)
#include "basetypes.h"
#ifdef _WIN32
#include <tchar.h>
#else
#include <wchar.h>
#endif
#include <string.h>
#include <malloc.h>
#include "commonmacros.h"
#include "memalloc.h"
#if defined(USE_MEM_DEBUG)
#if defined( POSIX )
#define _NORMAL_BLOCK 1
#include <cstddef>
#include <glob.h>
#include <new>
#include <sys/types.h>
#if !defined( DID_THE_OPERATOR_NEW )
#define DID_THE_OPERATOR_NEW
// posix doesn't have a new of this form, so we impl our own
#ifdef OSX
void* operator new( size_t nSize, int blah, const char *pFileName, int nLine ) throw (std::bad_alloc);
void* operator new[]( size_t nSize, int blah, const char *pFileName, int nLine ) throw (std::bad_alloc);
#else
void* operator new( size_t nSize, int blah, const char *pFileName, int nLine );
void* operator new[]( size_t nSize, int blah, const char *pFileName, int nLine );
#endif
#endif
#else // defined(POSIX)
// Include crtdbg.h and make sure _DEBUG is set to 1.
#if !defined(_DEBUG)
#define _DEBUG 1
#include <crtdbg.h>
#undef _DEBUG
#else
#include <crtdbg.h>
#endif // !defined(_DEBUG)
#endif // defined(POSIX)
#endif
#include "tier0/memdbgoff.h"
// --------------------------------------------------------
// Debug/non-debug agnostic elements
#define MEM_OVERRIDE_ON 1
#undef malloc
#undef realloc
#undef calloc
#undef _expand
#undef free
#undef _msize
#undef _aligned_malloc
#undef _aligned_free
#ifndef MEMDBGON_H
inline void *MemAlloc_InlineCallocMemset( void *pMem, size_t nCount, size_t nElementSize)
{
memset(pMem, 0, nElementSize * nCount);
return pMem;
}
#endif
#define calloc(c, s) MemAlloc_InlineCallocMemset(malloc(c*s), c, s)
#define free(p) g_pMemAlloc->Free( p )
#define _msize(p) g_pMemAlloc->GetSize( p )
#define _expand(p, s) _expand_NoLongerSupported(p, s)
#define _aligned_free( p ) MemAlloc_FreeAligned( p )
// --------------------------------------------------------
// Debug path
#if defined(USE_MEM_DEBUG)
#define malloc(s) g_pMemAlloc->Alloc( s, __FILE__, __LINE__)
#define realloc(p, s) g_pMemAlloc->Realloc( p, s, __FILE__, __LINE__ )
#define _aligned_malloc( s, a ) MemAlloc_AllocAligned( s, a, __FILE__, __LINE__ )
#ifdef _malloc_dbg
#undef _malloc_dbg
#endif
#define _malloc_dbg(s, t, f, l) WHYCALLINGTHISDIRECTLY(s)
#if !defined( POSIX )
#if defined(__AFX_H__) && defined(DEBUG_NEW)
#define new DEBUG_NEW
#else
#undef new
#define MEMALL_DEBUG_NEW new(_NORMAL_BLOCK, __FILE__, __LINE__)
#define new MEMALL_DEBUG_NEW
#endif
#endif
#undef _strdup
#undef strdup
#undef _wcsdup
#undef wcsdup
#define _strdup(s) MemAlloc_StrDup(s, __FILE__, __LINE__)
#define strdup(s) MemAlloc_StrDup(s, __FILE__, __LINE__)
#define _wcsdup(s) MemAlloc_WcStrDup(s, __FILE__, __LINE__)
#define wcsdup(s) MemAlloc_WcStrDup(s, __FILE__, __LINE__)
// Make sure we don't define strdup twice
#if !defined(MEMDBGON_H)
inline char *MemAlloc_StrDup(const char *pString, const char *pFileName, unsigned nLine)
{
char *pMemory;
if (!pString)
return NULL;
size_t len = strlen(pString) + 1;
if ((pMemory = (char *)g_pMemAlloc->Alloc(len, pFileName, nLine)) != NULL)
{
return strcpy( pMemory, pString );
}
return NULL;
}
inline wchar_t *MemAlloc_WcStrDup(const wchar_t *pString, const char *pFileName, unsigned nLine)
{
wchar_t *pMemory;
if (!pString)
return NULL;
size_t len = (wcslen(pString) + 1);
if ((pMemory = (wchar_t *)g_pMemAlloc->Alloc(len * sizeof(wchar_t), pFileName, nLine)) != NULL)
{
return wcscpy( pMemory, pString );
}
return NULL;
}
#endif // DBMEM_DEFINED_STRDUP
#else
// --------------------------------------------------------
// Release path
#define malloc(s) g_pMemAlloc->Alloc( s )
#define realloc(p, s) g_pMemAlloc->Realloc( p, s )
#define _aligned_malloc( s, a ) MemAlloc_AllocAligned( s, a )
#ifdef _malloc_dbg
#undef _malloc_dbg
#endif
#define _malloc_dbg(s, t, f, l) WHYCALLINGTHISDIRECTLY(s)
#undef new
#undef _strdup
#undef strdup
#undef _wcsdup
#undef wcsdup
#define _strdup(s) MemAlloc_StrDup(s)
#define strdup(s) MemAlloc_StrDup(s)
#define _wcsdup(s) MemAlloc_WcStrDup(s)
#define wcsdup(s) MemAlloc_WcStrDup(s)
// Make sure we don't define strdup twice
#if !defined(MEMDBGON_H)
inline char *MemAlloc_StrDup(const char *pString)
{
char *pMemory;
if (!pString)
return NULL;
size_t len = strlen(pString) + 1;
if ((pMemory = (char *)g_pMemAlloc->Alloc(len)) != NULL)
{
return strcpy( pMemory, pString );
}
return NULL;
}
inline wchar_t *MemAlloc_WcStrDup(const wchar_t *pString)
{
wchar_t *pMemory;
if (!pString)
return NULL;
size_t len = (wcslen(pString) + 1);
if ((pMemory = (wchar_t *)g_pMemAlloc->Alloc(len * sizeof(wchar_t))) != NULL)
{
return wcscpy( pMemory, pString );
}
return NULL;
}
#endif // DBMEM_DEFINED_STRDUP
#endif // USE_MEM_DEBUG
#define MEMDBGON_H // Defined here so can be used above
#else
#if defined(USE_MEM_DEBUG)
#ifndef _STATIC_LINKED
#pragma message ("Note: file includes crtdbg.h directly, therefore will cannot use memdbgon.h in non-debug build")
#else
#error "Error: file includes crtdbg.h directly, therefore will cannot use memdbgon.h in non-debug build. Not recoverable in static build"
#endif
#endif
#endif // _INC_CRTDBG
#else
// Needed for MEM_ALLOC_CREDIT(), MemAlloc_Alloc(), etc.
#include "memalloc.h"
#if !defined( VALVE_ALLOCS_DEFINED )
#define VALVE_ALLOCS_DEFINED
#include "tier0/mem.h"
inline void *valve_malloc_check_oom( size_t size )
{
void *ptr = malloc( size );
if ( !ptr )
MemAllocOOMError( size );
return ptr;
}
inline void *valve_realloc_check_oom( void *ptr, size_t size )
{
void *ret = realloc( ptr, size );
if ( !ret )
MemAllocOOMError( size );
return ret;
}
inline void *valve_calloc_check_oom( size_t num, size_t size )
{
void *ptr = calloc( num, size );
if (!ptr)
MemAllocOOMError( num * size );
return ptr;
}
inline void *valve_memalign_check_oom( size_t alignment, size_t size )
{
void *ptr = memalign( alignment, size );
if (!ptr)
MemAllocOOMError(size);
return ptr;
}
inline void *valve_aligned_malloc_check_oom( size_t size, size_t alignment )
{
void *ptr = _aligned_malloc( size, alignment );
if (!ptr)
MemAllocOOMError( size );
return ptr;
}
#endif // VALVE_ALLOCS_DEFINED
#define malloc valve_malloc_check_oom
#define realloc valve_realloc_check_oom
#define calloc valve_calloc_check_oom
#define memalign valve_memalign_check_oom
#define _aligned_malloc valve_aligned_malloc_check_oom
#endif // !STEAM && !NO_MALLOC_OVERRIDE
#if defined( NO_MALLOC_OVERRIDE )
#undef malloc
#undef realloc
#undef calloc
#undef memalign
#undef _aligned_malloc
#endif // NO_MALLOC_OVERRIDE