debug _new error undeclared identifier

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hello
a have an error and i don't know how resolve it .the error is this line
if( ( m_pInputBuffer[i] = new WAVEHDR[ sizeof(WAVEHDR)] ) == NULL )
and the error message error C2065: 'DEBUG_NEW': undeclared identifier
any help ? thanks

Posted 26-May-11 22:37pm

kinani

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3 solutions

Solution 1

If your developing an MFC application then you have to put:

C++

#include "stdafx.h"

at the top of your source file.

Posted 26-May-11 22:49pm

CPallini

Comments

kinani 27-May-11 4:57am

thanks but #include "stdafx.h" is at the top of the source file

Solution 2

DEBUG_NEW[^] is used to help find memory allocation problems.

The easiest way to fix this is to ensure that you include afx.h in your file.

Alternatively, you will have to search for the statement #define new DEBUG_NEW in your project and delete it (don't delete it from any system headers)

Posted 26-May-11 23:00pm

Graham Shanks

Updated 30-May-11 22:01pm

v2

Comments

kinani 27-May-11 5:15am

thanks i have deleted #define new DEBUG_NEW and added #include <afx.h> but th error is fatal error C1189: #error : Building MFC application with /MD[d] (CRT dll version) requires MFC shared dll version. Please #define _AFXDLL or do not use /MD[d].
and if i don't add #include <afx.h> the error is impossible to open Dshow.lib
any idea again plz

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Niklas L · Accepted Answer · 2011-05-27T01:30:00

Solution 3

In addition to your stated problem, this looks suspicious:

C++

new WAVEHDR[ sizeof(WAVEHDR)]

You probably mean one of

C++

(WAVEHDR*) new char[ sizeof(WAVEHDR)]

or

C++

new WAVEHDR[1]

or

C++

new WAVEHDR

Posted 27-May-11 1:30am

Niklas L

v2

Comments

kinani 27-May-11 7:40am

thanks the first y proposed is the true it work now thank you very much