Newsgroups: comp.std.c
Path: utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: Scope of switch statements
Message-ID: <1989Nov15.172903.717@utzoo.uucp>
Organization: U of Toronto Zoology
References: <15743@bloom-beacon.MIT.EDU> <1989Nov9.200639.8868@utzoo.uucp> <301@guardian.UUCP>
Date: Wed, 15 Nov 89 17:29:03 GMT

In article <301@guardian.UUCP> peter@langlab1.hf.intel.com (Peter Plamondon) writes:
>|>    switch(i) {
>|>      case 0: for(; ++k % 3; ++j) {
>|>      case 1:   printf(" j = %d,", j);
>|>      case 2:   printf(" k = %d,", k);
>|>              }
>|>    }
>
>I've stared at this and can't make sense of it.  Could someone provide me
>with enlightenment?

Rewrite it this way:

	if (i == 0)
		goto zero;
	else if (i == 1)
		goto one;
	else if (i == 2)
		goto two;
	else
		goto done;
zero:	for ... {
		one:	printf...;
		two:	printf...;
	}
done:

Yes, branching into a loop is disgusting, but it is legal.

Don't ask me what the code is supposed to *do*.
-- 
A bit of tolerance is worth a  |     Henry Spencer at U of Toronto Zoology
megabyte of flaming.           | uunet!attcan!utzoo!henry henry@zoo.toronto.edu