Path: utzoo!utgpu!watserv1!watmath!att!rutgers!cmcl2!acf5!sabbagh
From: sabbagh@acf5.NYU.EDU (sabbagh)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Bug in MPW C 3.1 compiler
Message-ID: <1272@acf5.NYU.EDU>
Date: 19 Oct 90 19:57:55 GMT
References: <1990Oct19.081120.1@csc.fi>
Reply-To: sabbagh@acf5.UUCP ()
Organization: New York University
Lines: 40

In article <1990Oct19.081120.1@csc.fi> hnevanlinna@csc.fi writes:
>	/* Crashes MPW at compile time! Bug found by P.Janhunen 90-09-19 */
>
>#include <stdio.h>
>
>void SomeProcedure(int func(int x))
>{
>	printf("Within SomeProcedure: func(10) returned %d\n",func(10));
>}
>
>int Square(int arg)
>{
>	return arg*arg;
>}
>
>main()
>{
>	SomeProcedure(Square);
>}
>
I don't understand what you mean "crash at compile time"; this should
return a syntax error complaint at the declaration of SomeProcedure.

Here's how SomeProcedure should be written:

void SomeProcedure(int (*func)(int))
{
    printf("Within SomeProcedure: func(10) returned %d\n", (*func)(10));
}

Hadil G. Sabbagh
E-mail:		sabbagh@cs.nyu.edu
Voice:		(212) 998-3125
Snail:		Courant Institute of Math. Sci.
		251 Mercer St.
		New York,NY 10012

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