Re: gcc fixed size char array initialization bug - known?

From: Bernd Petrovitsch
Date: Fri Aug 03 2007 - 03:33:19 EST


On Fri, 2007-08-03 at 11:40 +0800, WANG Cong wrote:
> On Fri, Aug 03, 2007 at 08:47:56AM +0530, Satyam Sharma wrote:
[....]
> >While we're talking of null-termination of strings, then I bet you
> >generally want to be using strlcpy(), really. Often strncpy() isn't
> >what you want. Of course, if that buffer isn't a string at all, then
> >you should be using memfoo() functions and not strbar() ones in the
> >first place ...
>
> Afaik, strlcpy() and strlcat() are NOT standard C library functions.

Yes, because they are not old enough as they are results of lessons
learned with strncpy() and strcpy() and other buffer overflows.

> But, I know, they are available in Linux kernel. ;) And yes, they
> are better than strn{cpy,cat}().

Bernd
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