On Jun 27,  9:30pm, cheusov@tut.by (cheusov@tut.by) wrote:
-- Subject: lib/33841: getopt_long results in core dump

| >Number:         33841
| >Category:       lib
| >Synopsis:       getopt_long is buggy and results in core dump
| >Confidential:   no
| >Severity:       serious
| >Priority:       high
| >Responsible:    lib-bug-people
| >State:          open
| >Class:          sw-bug
| >Submitter-Id:   net
| >Arrival-Date:   Tue Jun 27 21:30:00 +0000 2006
| >Originator:     cheusov@tut.by
| >Release:        NetBSD 3.0_STABLE
| >Organization:
| Best regards, Aleksey Cheusov.
| >Environment:
| System: NetBSD chen.chizhovka.net 3.0_STABLE NetBSD 3.0_STABLE (GENERIC) #2: Sun Mar 12 12:49:58 GMT 2006 cheusov@chen:/usr/src/sys/arch/i386/compile/GENERIC i386
| Architecture: i386
| Machine: i386
| >Description:
| See How-To-Repeat section
| >How-To-Repeat:
| 0 #cat main.c
| #include <getopt.h>
| #include <stdio.h>
| 
| int main (int argc, char **argv)
| {
|         int c;
| 
|         struct option longopts [] = {
|                 {"foo", no_argument, 0, 'f'},
|         };
| 
|         c = getopt_long (argc, argv, "f", longopts, NULL);
|         printf ("c=%d\n", c);
| 
|         return 0;
| }
| 0 #g++ -o main main.c
| 0 #./main -f
| c=102
| 0 #./main --foo
| c=102
| 0 #./main -b
| main: unknown option -- b
| c=63
| 0 #./main --bar
| Segmentation fault (core dumped)
| 139 #
| 

Your longopts array does not terminate in an empty element as it is
supposed to.

christos