James Carlson <[EMAIL PROTECTED]> wrote:
> > This is a conclusion from the C standard....
>
> I should have been more explicit. It seemed like a strange place for
> a comment like this.
If you did see the modifications done to my software by people from SuSE or
Debian, you would understand why I put a lot of such comments into my
sources ;-)
> One may check for overflow of the target buffer (and thus truncation
> of the result) using strlcat(3C) like this:
>
> if (strlcat(dst, src, dstsize) >= dstsize)
> string_is_too_big();
>
> The same works well with snprintf. With the formulation of strcatl
> you've proposed, it's not possible to check for this error condition
> in any reasonable way following the call. The user must do something
> like this instead:
>
> if (strlen(dst) + strlen(src) >= dstsize)
> string_is_too_big();
> (void) strcatl(dst, src, (char *)NULL);
>
> ... and that seems unfortunate to me.
OK, there are still places where I use strcatl() although it is much less than
my usage for strcalt() in 1985.
Jörg
--
EMail:[EMAIL PROTECTED] (home) Jörg Schilling D-13353 Berlin
[EMAIL PROTECTED] (uni)
[EMAIL PROTECTED] (work) Blog: http://schily.blogspot.com/
URL: http://cdrecord.berlios.de/old/private/ ftp://ftp.berlios.de/pub/schily
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