Date: Sat, 13 Apr 1996 08:50:47 +1000 From: Bruce Evans <bde@zeta.org.au> To: koshy@india.hp.com, nate@sri.MT.net Cc: hackers@freebsd.org Subject: Re: Critical stdio bug? Message-ID: <199604122250.IAA03590@godzilla.zeta.org.au>
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>nw> OS's, but I had them available). However, on FreeBSD the EOF doesn't
>nw> get flushed out when it's read.
This is normal (wrong) BSD behaviour. EOF is sticky, even on a terminal.
You have to clear the EOF using clearerr(). See the getc man page.
>The manual page says:
^ for read()
> The system guarantees to read the number of bytes requested if
> the descriptor references a normal file that has that many bytes
> left before the end-of-file, but in no other case.
> [...]
> If successful, the number of bytes actually read is returned. Upon read-
> ing end-of-file, zero is returned. Otherwise, a -1 is returned and the
Input using stdio is quite different from input using read(), unfortunately.
Bruce
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