Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!watmath!clyde!rutgers!brl-adm!seismo!mcvax!ukc!hrc63!miduet!jgh
From: jgh@miduet.UUCP
Newsgroups: comp.lang.c
Subject: Re: Size of a function
Message-ID: <500@gec-mi-at.co.uk>
Date: Fri, 23-Jan-87 14:19:50 EST
Article-I.D.: gec-mi-a.500
Posted: Fri Jan 23 14:19:50 1987
Date-Received: Sat, 24-Jan-87 23:40:46 EST
References: <2100@brl-adm.ARPA> <609@sdchema.sdchem.UUCP>
Reply-To: jgh@gec-mi-at.co.uk (Jeremy Harris)
Organization: Marconi Instruments Ltd., St. Albans, Herts, UK
Lines: 30
Summary: Passing copies of function code to other tasks

In article <609@sdchema.sdchem.UUCP> tps@sdchemf.UUCP (Tom Stockfisch) writes:
>In article <2100@brl-adm.ARPA> LINNDR%VUENGVAX.BITNET@wiscvm.wisc.edu writes:
>> ... there is no way currently defined in
>>C to get the size of a function, in any units. My immediate interest is
>>in telling what function an address belongs during run-time.
>>
>>It might be nice if sizeof(function_name) could be defined to return this
>>value.
>
>The trouble is that any such scheme will not be implementable on a machine
>with a segmented architecture.  On such a machine, different functions might
>not belong to the same address space, and thus pointers into each of them
>could not be meaningfully compared.  

I had a need to pass a copy of a function to another task. Sizeof( function )
would have been handy....

(That
should
put
the
cat
among
the
pigeons!)

(I don't speak for my employer)
Jeremy Harris	jgh@gec-mi-at.co.uk	...!mcvax!ukc!hrc63!miduet!jgh
-- 
Jeremy Harris	jgh@gec-mi-at.co.uk	...!mcvax!ukc!hrc63!miduet!jgh