This is the mail archive of the
cygwin@sourceware.cygnus.com
mailing list for the Cygwin project.
Re: strlen on a NULL
- Subject: Re: strlen on a NULL
- From: Kjeld dot F dot Christensen at dxd dot ericsson dot se
- Date: Wed, 13 May 1998 16:07:56 +0200
- Cc: gnu-win32 at cygnus dot com
> This is quite wrong for most unixes.
>
> cat test.c
> main()
> {
> char *c = (char *) 0;
> char d;
>
> d = *c;
> }
>
> bash$ cc test.c
> bash$ ./a.out
> Segmentation fault (core dumped)
> on FreeBSD, linux, solaris, sunos ...
>
> Anyway, check the kernel source, and see the part where they make page
> 0 unreadable and unwriteable. Stupid exceptions: some SvR4
> implementations, and of course stupid old AIX.
My HPUX does not core dump!
Kjeld
-
For help on using this list (especially unsubscribing), send a message to
"gnu-win32-request@cygnus.com" with one line of text: "help".