108 lines
3 KiB
C++
108 lines
3 KiB
C++
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/***
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*dbgnew.cpp - defines C++ new() routines, debug version
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*
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* Copyright (c) 1995-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Defines C++ new() routines.
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*
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*Revision History:
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* 01-12-95 CFW Initial version.
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* 01-19-95 CFW Need oscalls.h to get DebugBreak definition.
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* 01-20-95 CFW Change unsigned chars to chars.
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* 01-23-95 CFW Delete must check for NULL.
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* 02-10-95 CFW _MAC_ -> _MAC.
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* 03-16-95 CFW delete() only for normal, ignore blocks.
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* 03-21-95 CFW Add _delete_crt, _delete_client.
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* 03-21-95 CFW Remove _delete_crt, _delete_client.
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* 06-27-95 CFW Add win32s support for debug libs.
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* 12-28-95 JWM Split off delete() for granularity.
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* 05-22-98 JWM Support for KFrei's RTC work, and operator new[].
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* 07-28-98 JWM RTC update.
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* 01-05-99 GJF Changes for 64-bit size_t.
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* 05-26-99 KBF Updated RTC_Allocate_hook params
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*
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*******************************************************************************/
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#ifdef _DEBUG
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#include <cruntime.h>
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#include <malloc.h>
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#include <mtdll.h>
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#include <dbgint.h>
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#include <rtcsup.h>
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/***
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*void * operator new() - Get a block of memory from the debug heap
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*
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*Purpose:
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* Allocate of block of memory of at least size bytes from the heap and
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* return a pointer to it.
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*
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* Allocates any type of supported memory block.
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*
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*Entry:
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* size_t cb - count of bytes requested
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* int nBlockUse - block type
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* char * szFileName - file name
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* int nLine - line number
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*
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*Exit:
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* Success: Pointer to memory block
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* Failure: NULL (or some error value)
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*
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*Exceptions:
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*
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*******************************************************************************/
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void * operator new(
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size_t cb,
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int nBlockUse,
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const char * szFileName,
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int nLine
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)
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{
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void *res = _nh_malloc_dbg( cb, 1, nBlockUse, szFileName, nLine );
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RTCCALLBACK(_RTC_Allocate_hook, (res, cb, 0));
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return res;
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}
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/***
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*void * operator new() - Get a block of memory from the debug heap
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*
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*Purpose:
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* Allocate of block of memory of at least size bytes from the heap and
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* return a pointer to it.
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*
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* Allocates any type of supported memory block.
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*
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*Entry:
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* size_t cb - count of bytes requested
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* int nBlockUse - block type
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* char * szFileName - file name
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* int nLine - line number
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*
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*Exit:
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* Success: Pointer to memory block
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* Failure: NULL (or some error value)
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*
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*Exceptions:
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*
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*******************************************************************************/
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void * operator new[](
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size_t cb,
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int nBlockUse,
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const char * szFileName,
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int nLine
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)
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{
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void *res = operator new(cb, nBlockUse, szFileName, nLine );
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RTCCALLBACK(_RTC_Allocate_hook, (res, cb, 0));
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return res;
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}
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#endif /* _DEBUG */
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