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From: lfm@ukc.UUCP (L.Marshall)
Newsgroups: net.lang.c
Subject: sizeof problems
Message-ID: <4183@ukc.UUCP>
Date: Mon, 21-May-84 02:58:13 EDT
Article-I.D.: ukc.4183
Posted: Mon May 21 02:58:13 1984
Date-Received: Tue, 15-May-84 02:14:45 EDT
Organization: Computing Lab. Kent University, England
Lines: 17

There was another interesting sizeof problem with the V7 PDP11 compiler
(I dont know if it affected any others) whereby combinations of negation
and coercion applied to "sizeof" fell over. I cant remember the exact 
error but it was something like either 

    - (long) sizeof(int)
         or
    (long) - sizeof(int)

The result was not properly sign extended from 16 to 32 bits.
I can dig out the exact details if anyone is interested.

  Lindsay F. Marshall
    uucp : ...<UK>!ukc!lfm
    ARPA : Lindsay_Marshall%NEWCASTLE@MIT-MULTICS
    post : Computing Laboratory, U of Newcastle upon Tyne, U.K.
           +44 - 632 - 329233 xtn 212