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Article #420

Re: is struct utimbuf in the standard sys/types.h?

#420
From: Guy Harris
Date: Sun, 05 Aug 1990 18:11
23 lines
1489 bytes
Submitted-From: auspex!guy@uunet.UU.NET (Guy Harris)
From:  guy@auspex.uucp (Guy Harris)

>   In this case, without the header, one of AT&T-derived or Berkeley-derived
>   systems would have "lost".

Actually, BSD being an AT&T-derived system, things aren't that bad.

BSD still has the original V7-flavored "utime()" call, with the second
argument a pointer to the first element of an array of 2 "time_t"s
(that's right, "utime()" in BSD has no microseconds-field support). 

Somewhere in the "USG UNIX" chain, the structure was introduced; on most
systems, the structure has the same memory layout as the array.

4.2BSD introduced a call named "utimes()" - note the "s" - that takes a
pointer to an array of 2 "struct timeval"s; that's the call that
supports microseconds fields.  Too bad the 88Open folks didn't pay
attention to this, and just called their call that supported
microseconds fields "utime()".... 


Volume-Number: Volume 21, Number 12
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Message-ID: <10914@cs.utexas.edu>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!fletcher
References: <405@usenix.ORG> <415@usenix.ORG> <422@usenix.ORG>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!fletcher
From: guy@auspex.uucp (Guy Harris)
Newsgroups: comp.std.unix
Subject: Re: is struct utimbuf in the standard sys/types.h?
Message-ID: <10914@cs.utexas.edu>
Date: 5 Aug 90 18:11:29 GMT
References: <405@usenix.ORG> <415@usenix.ORG> <422@usenix.ORG>
Sender: fletcher@cs.utexas.edu
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Organization: Auspex Systems, Santa Clara
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Approved: fletcher@cs.utexas.edu (Guest Moderator, Fletcher Mattox)