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From: brnstnd@kramden.acf.nyu.edu (Dan Bernstein)
Newsgroups: comp.lang.perl
Subject: Re: die() exit status and printing $1,$2... in the debugger
Message-ID: <20541:Jan1017:37:5091@kramden.acf.nyu.edu>
Date: 10 Jan 91 17:37:50 GMT
References: <3000@yarra-glen.aaii.oz.au> <10980@jpl-devvax.JPL.NASA.GOV>
Organization: IR
Lines: 12

In article <10980@jpl-devvax.JPL.NASA.GOV> lwall@jpl-devvax.JPL.NASA.GOV (Larry Wall) writes:
> It would seem that your compiler or run-time system is hosed.  The
> statement in fatal() in util.c is
>     statusvalue >>= 8;		/* is an unsigned short */
>     exit((int)(errno?errno:(statusvalue?statusvalue:255)));
> How can that return a 0, I ask you?

Well, since you ask, it can return 0 on most machines if errno is a
nonzero multiple of 256, or if errno is 0 and statusvalue is a nonzero
multiple of 256.

---Dan