Calling strcmp/strncmp/strcasecmp/strncasecmp with NULL parameter

[Steven Keuchel]

On Tuesday 17 August 2004 21:16, you wrote:
> [Steven Keuchel]
> > What does the C Standard say about this ?
> 
> I suggest you have a look at
> <URL:http://www.opengroup.org/onlinepubs/009695399/toc.htm>, and
> discover that the standard consider it undefined behaviour to call for
> example strcmp() with illegal arguments.  The code calling strcmp()
> like this is broken, and need to be fixed.
> 

Well changing the code isn't so easy because i came accross this when 
debugging a third party library. The manpages do not say anything that 
calling these functions with illegal arguments will result in undefined 
behaviour. Maybe you can add it.