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Date: Mon, 15 Apr 1996 16:10:01 -0700 (PDT)
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Cc: 
From: Bill Fenner <fenner@parc.xerox.com>
Subject: Re:  kern/1144: sig{add, del}set and sigismember fns don't check signo
Reply-To: Bill Fenner <fenner@parc.xerox.com>
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The following reply was made to PR kern/1144; it has been noted by GNATS.

From: Bill Fenner <fenner@parc.xerox.com>
To: FreeBSD-gnats-submit@freebsd.org, jraynard@dial.pipex.com
Cc:  Subject: Re:  kern/1144: sig{add, del}set and sigismember fns don't check signo
Date: Mon, 15 Apr 1996 16:02:59 PDT

 >Obviously the macros would be much harder to fix
 
 Would they?  How about
 
 #define sigaddset(set, signo)   (((signo) <= 0 || (signo) >= NSIG) ?
 					(errno = EINVAL, -1) :
 					(*(set) |= 1 << ((signo) - 1), 0))
 
 (untested, as usual)
 
   Bill