Path: utzoo!utgpu!attcan!uunet!lll-winken!lll-ncis!helios.ee.lbl.gov!nosc!ucsd!rutgers!att!mtuxo!mtgzy!mtgzz!avr
From: avr@mtgzz.att.com (a.v.reed)
Newsgroups: comp.windows.x
Subject: Sizeof (was Re: stupid C question)
Summary: ANSI says 6
Message-ID: <4838@mtgzz.att.com>
Date: 5 Jan 89 22:04:14 GMT
References: <8812300028.AA17754@EXPO.LCS.MIT.EDU>
Organization: AT&T, Middletown NJ
Lines: 12

In article <8812300028.AA17754@EXPO.LCS.MIT.EDU>, rws@EXPO.LCS.MIT.EDU (Bob Scheifler) writes:
> #define foo "abcde"
> Is sizeof(foo) defined to be 5, 6, or >=5?  My Sun compiler gives 6,
> I have a bug report claiming it should be 5, and the C manuals I have
> are no help.

The ANSI standard (paragraph A7.4.8 in the Jan 11, 1988 draft) says:
"The sizeof operator yields the number of bytes required to store an
object...." Since the number of bytes required to store "abcde" is 6
(remember the '\0' required to terminate the string), your compiler is
correct.
					Adam Reed (avr@mtgzz.ATT.COM)