Article View: comp.std.c
Article #5606Re: #pragma
From: Walter Murray
Date: Tue, 17 Jan 1989 18:52
Date: Tue, 17 Jan 1989 18:52
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Steve Summit writes:
> I believe that #pragmas may have been exhaustively discussed in
> this group a year or so ago when I wasn't following it.
I'm in the same boat. Maybe it's time for someone to post a summary/update
on the #pragma question.
I have two questions, both of which were probably already addressed.
1. A #pragma causes an implementation to behave in an implementation-defined
manner. Could that include, for example, following unsigned-preserving
promotion rules, or must the behavior still be ANSI?
2. A strictly conforming program shall not produce output dependent on
any implementation-defined behavior. Does it follow that a strictly
conforming program shall not use a #pragma?
Walter Murray
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!ncrlnk!ncr-sd!hp-sdd!hplabs!hpda!hpcuhb!hpcllla!hpclisp!hpclwjm!walter From: walter@hpclwjm.HP.COM (Walter Murray) Newsgroups: comp.std.c Subject: Re: #pragma Message-ID: <12570002@hpclwjm.HP.COM> Date: 17 Jan 89 18:52:16 GMT References: <8770@bloom-beacon.MIT.EDU> Organization: Hewlett-Packard Calif. Language Lab Lines: 20