On Sat, May 25, 2013 at 1:50 PM, Ramkumar Ramachandra
<artag...@gmail.com> wrote:
> Antoine Pelisse wrote:
>> Is it not possible for "color" to be used uninitialized here ?
> My compiler didn't complain; what am I missing?  Doesn't the
> declaration char color[COLOR_MAXLEN]; initialize an empty string?

As John said, this is allocated on the stack.
What do you want it to be initialized to ?
Filled with zeros ? That's overkill because only the first char needs
to be zeroed.
The compiler can't know what to do and it lets you to take the best action.

> More importantly, aren't there numerous instances of this in the
> codebase?

I think Valgrind would be mad at us if there was many instances of
this. By the way Ramkumar, could you check if Valgrind complains with
your patch ?
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