Re: Don't Plan 9 C compiler initialize the rest o f member of a struct?

On Mon, Apr 1, 2019, at 11:33, Kyohei Kadota wrote:
> Hi, 9fans. I use 9legacy.
> 
> About below program, I expected that flags field will initialize to
> zero but the value of flags was a garbage, ex, "f8f7".
> Is this expected?
> 
> ```
> #include <stdio.h>
> 
> struct option {
>     int n;
>     char *s;
>     int flags;
> };
> 
> int
> main(void)
> {
>     struct option opt = {1, "test"};
>     printf("%d %s %x\n", opt.n, opt.s, opt.flags);
>     return 0;
> }
> ```
> 
>

According to C99: "If an object that has automatic storage duration is not initialized explicitly, its value is indeterminate."

Stack variable == automatic storage duration. This appears to be correct behavior to me.