X-Authentication-Warning:	delorie.com: mail set sender to djgpp-bounces using -f
From:	"Tornado" <12 AT 3 DOT 4>
Newsgroups:	comp.os.msdos.djgpp
References:	<20040902144152 DOT GH6858 AT webhome DOT cz>
Subject:	Re: scanf: strange behavior?
Lines:	32
X-Priority:	3
X-MSMail-Priority:	Normal
X-Newsreader:	Microsoft Outlook Express 6.00.2800.1106
X-MimeOLE:	Produced By Microsoft MimeOLE V6.00.2800.1106
Message-ID:	<cpGZc.188151$OR2.8757434@news3.tin.it>
Date:	Thu, 02 Sep 2004 14:48:40 GMT
NNTP-Posting-Host:	82.52.73.4
X-Complaints-To:	"Please send abuse reports to abuse AT tin DOT it and technical notifications to newsmaster AT tin DOT it"
X-Trace:	news3.tin.it 1094136520 82.52.73.4 (Thu, 02 Sep 2004 16:48:40 MET DST)
NNTP-Posting-Date:	Thu, 02 Sep 2004 16:48:40 MET DST
Organization:	TIN
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

>
> #include <stdio.h>     ... #include <stdarg.h>    ? ..??
>
> int main(int, const char**)
> {
>   char c[2];
>   printf("%d\n", sscanf("A", "%c%c", c, c + 1));
>   return 0;
> }
>
> gives:
>
> 1 in GNU libc (on Linux)
> 1 in Borland C++ 3.1 (on DOS)
> -1 in djgpp
>
> It's conformant with the docs: "If input ends, or if there is any
> input failure before the first item is converted and assigned, `EOF'
> is returned.", so it's not to be called a 'bug', but...
>
> Do you think it's a standard violation, or just a "difference",
> ie. behavior not specified by POSIX, ANSI or other (involved)
> authority?
>
> Thanks,
>
> --
> Egon Eckert, Heaven Industries, s.r.o.
> E-mail: egon AT heaven DOT industries DOT cz

- Raw text -