Wireshark · Wireshark-dev: Re: [Wireshark-dev] strlen() and NULL pointer checks

[Jeff Morriss <jeff.morriss.ws@xxxxxxxxx>]

Chris Maynard wrote:
> Jeff Morriss <jeff.morriss.ws@...> writes:
>
> > Is there a better way?  Or better yet, a proper solution?
>
> Not claiming this is better or proper, just another alternative:
>
> epan/strutil.c:
>
> #include <string.h>
> size_t ws_strlen(const char *s)
> {
>     if (s == NULL)
>         return 0;
>     return strlen(s);
> }

But this won't work unless we can somehow force vsnprintf() and friends 
to use ws_strlen(). LD_PRELOAD will let you do that [on systems that 
support it], but nobody in their right mind uses LD_PRELOAD for 
production code (I hope).