From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <79dc8d5b2d0f6aaa2d6b20dabe37be4b@plan9.bell-labs.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] what's wrong with this?
From: Sape Mullender <sape@plan9.bell-labs.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Date: Fri, 27 Sep 2002 10:09:12 -0400
Topicbox-Message-UUID: f61d5460-eaca-11e9-9e20-41e7f4b1d025

> Dear friends,
>
> 8c complies "syntax error" when the following macro is called:
>
> #define	jpc_bitstream_getbit_macro(bitstream) \
> 	(assert((bitstream)->openmode_ & JPC_BITSTREAM_READ), \
> 	  (--(bitstream)->cnt_ >= 0) ? \
> 	  (((bitstream)->buf_ >> (bitstream)->cnt_) & 1) : \
> 	  jpc_bitstream_fillbuf(bitstream))
>
> int ret;
> ...
> ret=jpc_bitstream_getbit_macro(bitstream);

For starters, it's abhorrently awful code.  You're also using macros recursively.
Assert is a macro:
	#define	assert(x) if(x){}else _assert("x")
Substitute it in your code and behold the mess you get.

What are you trying to save with this macro anyway?

	Sape