From:	CRDGW2::CRDGW2::MRGATE::"SMTP::CRVAX.SRI.COM::RELAY-INFO-VAX" 14-JUN-1989 16:22
To:	MRGATE::"ARISIA::EVERHART"
Subj:	Re: ZOO

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Date: 14 Jun 89 16:32:16 GMT
From: beta!dxxb@lanl.gov  (David W. Barts)
Organization: BCS Richland, Inc.
Subject: Re: ZOO
Message-Id: <26276@beta.lanl.gov>
References: <1113@vaxb.acs.unt.edu>, <1160@vaxb.acs.unt.edu>
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To: info-vax@kl.sri.com

In article <1160@vaxb.acs.unt.edu>, james@vaxb.acs.unt.edu (James Shoffit) writes:
-> Dominick Samperi <phri!marob!samperi@NYU.EDU> writes:
-> 
-> > |>It is easy enough to make ZOO work better under VAX/VMS with respect
-> > |>to interactions with KERMIT, etc. Just change the fopen calls
-> > |>to have options as I suggested in previous messages for binary files.
-> > |>Force record access and create a fixed-length 512 byte record file.
-> > |>No Big deal.
-> >  
-> > This might have been the best solution before VMS introduced STREAM
-> > (not STREAM_LF!) files. Using 512-byte fixed-length records forces the
-> > programmer to do I/O in 512-byte blocks (writing a partial block fails),
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Last time I tried it, I did something like

	fopen("foo.bar", "w" "rfm=fix, mrs=512");

Whenever I failed to fwrite() a multiple of 512 bytes before 
doing an fclose(), the file was automatically padded with zeroes
on closing.  If you're using open/read/write/close instead
of fopen/fread/fwrite/fclose, change it.  The former family
of calls is NOT part of ANSI C, the latter is.

David W. Barts, Ph. 509-376-1718 (FTS 444-1718), dxxb@beta.lanl.GOV