Article View: comp.sys.atari.st
Article #26295Re: "file selector" blues, Megamax bug
From: wheels
Date: Tue, 14 Apr 1987 13:08
Date: Tue, 14 Apr 1987 13:08
38 lines
1618 bytes
1618 bytes
In article <1934@ihuxy.ATT.COM>, nowlin@ihuxy.ATT.COM (Jerry Nowlin) writes:
> In article <639@batcomputer.tn.cornell.edu>, braner@batcomputer.tn.cornell.edu (braner) writes:
> > sizeof("a string constant") always yields 4.
> > - Moshe Braner
>
> It's almost funny but some of the 3B compilers also return 4 for this
> operation and trying to solve the bug it introduced into our code was the
> cause of much wailing and gnashing of teeth. If you want the length of a
> string use strlen(). Personally I think it's a bug if sizeof("string")
> doesn't return the size of (char *).
> Jerry Nowlin
Well, according to the C gurus here at MKS, this is what should happen:
{
int a;
a = sizeof("hello"); /* should produce 6 (5 chars + '\0') */
}
{
int a;
char s[] = "hello";
a = sizeof(s); /* should also produce 6 */
}
{
int a;
char s[25] = "hello";
a = sizeof(s); /* should produce 25 */
}
Gerry
--
Gerry Wheeler {seismo,decvax,ihnp4}!watmath!mks!wheels
Mortice Kern Systems Inc.
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watnot!watmath!mks!wheels From: wheels@mks.UUCP Newsgroups: comp.sys.atari.st Subject: Re: "file selector" blues, Megamax bug Message-ID: <250@mks.UUCP> Date: Tue, 14-Apr-87 08:08:37 EST Article-I.D.: mks.250 Posted: Tue Apr 14 08:08:37 1987 Date-Received: Wed, 15-Apr-87 05:09:00 EST References: <639@batcomputer.tn.cornell.edu> <1934@ihuxy.ATT.COM> Organization: Mortice Kern Systems, Waterloo, Ont. Lines: 38 Keywords: user-friendly C sizeof Summary: My gurus say...