Subj : Re: structure initialization?
To   : borland.public.cpp.borlandcpp
From :  Bruce Salzman
Date : Tue Sep 21 2004 09:34 pm


"John Jennings" <john.jennings@hrdc-drhc.gc.ca> wrote in message 
news:4150839a$1@newsgroups.borland.com...
> Hi,
> Can anyone tell me the C++ standard for structure initialization?
> When a structure is instantiated, are the items automatically 
> initialized
> according to their definition, or are they left undefined?
> Thanks,
> John
>

Not sure what you mean by "according to their definition". But for 
example:

struct MyStruct{
    int a;
    bool b;
    float c;
};

MyStruct A;
A.a, A.b, A.c will contain garbage unless you're explicit:

MyStruct A={ 1, false, 3.141};

You can also get away with
memset(&A, 0, sizeof(A));

Regards,
Bruce

.