Re: initializing a struct

Re: initializing a struct

[Vadiraj]

 Hey Guys,
 I'm stuck with logical reason for initializing a struct variable. Please help..
 Consider a struct defined this way..
 struct foo
 {
     int a;
     char *ptr;
 };
 in my function I declare a local variable of this struct.
 void bar()
 {
       struct foo local_var[10];
       ...
       ...
 }
 do you suspect a initialization issue? do we need to initialize the
local array local_var[10] ? What's the best practice?
 Thanks in advance.

 Cheers,
 Vadi
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Re: initializing a struct

[Michal Nazarewicz]

On Thu, 30 Jun 2011 12:18:25 +0200, Vadiraj <vadiraj.cs@gmail.com> wrote:
> I'm stuck with logical reason for initializing a struct variable. Please  
> help..
> Consider a struct defined this way..

> struct foo {
>      int a;
>      char *ptr;
> };

> in my function I declare a local variable of this struct.

>  void bar()
>  {
>        struct foo local_var[10];
>        ...
>        ...
>  }

> do you suspect a initialization issue? do we need to initialize the
> local array local_var[10] ?

Yes.  The array has random data.

> What's the best practice?

Uh? Initialise it if you need.

-- 
Best regards,                                         _     _
.o. | Liege of Serenely Enlightened Majesty of      o' \,=./ `o
..o | Computer Science,  Michal "mina86" Nazarewicz    (o o)
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Re: initializing a struct

[Davidlohr Bueso]

On Thu, 2011-06-30 at 15:48 +0530, Vadiraj wrote:
> Hey Guys,
>  I'm stuck with logical reason for initializing a struct variable. Please help..
>  Consider a struct defined this way..
>  struct foo
>  {
>      int a;
>      char *ptr;
>  };
>  in my function I declare a local variable of this struct.
>  void bar()
>  {
>        struct foo local_var[10];
>        ...
>        ...
>  }
>  do you suspect a initialization issue? do we need to initialize the
> local array local_var[10] ? What's the best practice?

This kind of initialization is done with memset(), so can use 0s to
avoid random data.