On Thu, Sep 16, 2010 at 06:08:14PM +0800, Zang Roy-R61911 wrote:
[...]
> Interesting.
> How about this?
> #include <stdio.h>
> #include <malloc.h>
>
> char *foo;
>
> void probe(void)
> {
> char *bar = NULL;
>
> if (!foo) {
> bar = malloc(sizeof(*bar));
> if (!bar)
> return;
> foo = bar;
> } else
> bar = foo;
This willl work of course; but I'd write it as
foo_lock();
if (!foo)
foo = alloc();
foo_unlock();
bar = foo;
bar->baz;
--
Anton Vorontsov
email: cbouatmai...@gmail.com
irc://irc.freenode.net/bd2
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