Re: Thou shalt have no other gods before the ANSI C standard

From: CBFalconer (cbfalconer_at_yahoo.com)
Date: 02/24/05 

Date: Thu, 24 Feb 2005 16:44:40 GMT

Michael Amling wrote:
> CBFalconer wrote:
>>
>> You haven't gone far enough. Your proposal involves exposing the
>> makeup of struct buf, without which the user can't access the size,
>> and thus can't allocate the storage. It is better to only define a
>> pointer to the opaque structure, and ensure the buffer module
>> proper does any storage allocation. The resultant data will still
>> be in the users data space. For an example of this see how the
>> fundamental structure is allocated and maneuvered in my hashlib:
>>
>> <http://cbfalconer.home.att.net/download/hashlib.zip>
>>
>> This breakup provides complete freedom to redesign the structures
>> in question without affecting the user code (although relinking may
>> be needed). Reduction of interconnections is always good, in my
>> book.
>>
>> Again in hashlib, note how specific performance data is returned in
>> a structure, and how that structure is returned from an access
>> function. That means that there is no way for a user to harm the
>> data in the hashlib module. It also means that modification of
>> that structure will require user recompilation, but that is easily
>> controlled via the date of the .h file.
>
> If you go far enough in this direction, you'll end up at Java.

I have been vacillating between ignoring and replying to this
vacuous comment, and eventually decided to reply in case some poor
innocent takes it seriously. I have been pointing out techniques
that allow the creation of bug-free maintainable software using
only the facilities of ISO standard C. This has no resemblance
whatsoever to Java. 

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