Date: Tue, 19 Dec 1995 21:19:24 
From: "Alaric B. Williams" <DJGPP AT abwillms DOT demon DOT co DOT uk>
Reply-To: DJGPP AT abwillms DOT demon DOT co DOT uk
To: DJGPP AT sun DOT soe DOT clarkson DOT edu
Subject: Re: An oddity re array args
Lines: 43

In your message dated Tuesday 19, December 1995 you wrote :
>   Re this short program with an error (name omitted after `double'):-

> int zxcvbnm(int i, int j, double[i][j]){int k; k=2; return 42;}

Well you're defining the dimensions of the array in terms of the paramaters - 
they should be constant, coz we don't get dynamic arrays unless we write 'em 
ourselves in C++.

>   When I compiled it (with djgpp) as C++, the compiler swore at me thus:-
> 
> t$$.cc:1: `i' was not declared in this scope
> t$$.cc:1: `j' was not declared in this scope
> Segmentation violation in pointer 0x00000008 at d8:5cebc
> 
> EXCEPTION OCCURRED!  Information dumped to core file:
>     "t$gccdbg"
> 
>   but compiled as C the compiler said nothing.

Yes, in C, it's optional to include the name in a /forward/, but it must be 
included in the body. However, the compiler may be dreaming of the old syntax:

hello(i,j,k)
int i;
float j;
unsigned char *k[1024][];
{
   puts("Hello, mom!");
}
 

Apart from those near-allowabilities, it looks like a bug :-)

Regards,


ABW

-- 
Alaric B. Williams (alaric AT abwillms DOT demon DOT co DOT uk)
"A man walks into a bar, right, and he goes 'ouch' coz it's an iron bar"