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From: dewar@merv.cs.nyu.edu (Robert Dewar)
Subject: Re: CRC in Ada?
Date: 1997/03/09
Message-ID: <dewar.857911919@merv>#1/1
X-Deja-AN: 224160670
References: <1997Mar2.220652@nova.wright.edu> <oslo83b70l.fsf@ted.vigra.com>
 <OHK.97Mar6080224@edeber.tfdt-o.nta.no> <1997Mar6.091150.1@eisner>
Organization: New York University
Newsgroups: comp.lang.ada
Date: 1997-03-09T00:00:00+00:00
List-Id: <comp.lang.ada>


OUe-Hjalmar says

> I think you are missing something here. Altough in Unix it IS possible
> to do reads of arbitrary length, the standard IO library of C
> definitely does IO in blocks. The getc/putc functions are
> usually implemented as macros, which just manipulate the buffer. Of


You cannot make such statements (the standard IO lbrary of C definitely
does IO in blocks). The standard speaks only of interfaces, not of
implementation, there is nothing in the standardized interface that requires
IO to be done in blocks. This may be an implementation characterstic of some
or even most or even all current implementations, but it is NOT a fundamental
property of the standard IO library.