Xref: utzoo comp.std.c:3392 comp.lang.c:30352
Newsgroups: comp.std.c,comp.lang.c
Path: utzoo!henry
From: henry@zoo.toronto.edu (Henry Spencer)
Subject: Re: Size of structure containing char fields
Message-ID: <1990Jul18.152500.4591@zoo.toronto.edu>
Organization: U of Toronto Zoology
References: <1030@lzaz.ATT.COM>
Date: Wed, 18 Jul 90 15:25:00 GMT

In article <1030@lzaz.ATT.COM> bds@lzaz.ATT.COM (Bruce Szablak) writes:
>Given a structure that contains only char fields (possibly unsigned):
>
>	struct example1 { char a, b, c; };
>
>is ANSI restrictive enough [;-)] to force sizeof(example1) to be 3?
>Is anyone aware of existing compilers for which this wouldn't be true?

ANSI more or less leaves the question open.  Machines on which char
pointers are strange will almost certainly pad the structure to a word
boundary so they can use "normal" pointer format for `struct example1 *'.
Some compilers on more ordinary machines may do likewise.  Some won't.
-- 
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