Path: utzoo!attcan!uunet!lll-winken!lll-lcc!ames!pasteur!agate!labrea!decwrl!megatest!djones
From: djones@megatest.UUCP (Dave Jones)
Newsgroups: comp.lang.c
Subject: Re: hardcoded constants
Message-ID: <1104@goofy.megatest.UUCP>
Date: 20 Dec 88 21:53:17 GMT
References: <2636@m2-net.UUCP>
Organization: Megatest Corporation, San Jose, Ca
Lines: 22

From article <2636@m2-net.UUCP>, by remmers@m-net.UUCP (John H. Remmers):
...
> The space requirement for a string concatenation is a frequently-needed
> value; it's worth having a macro to represent it:
> 
> 	#define  Catspace(s,t)  (strlen(s) + strlen(t) + 1)
> 

You are a candidate for SLMA (Silly Little Macros Anonymous).

There are no dues.  Just get a sponsor and come to the meetings.
Take it One Day At A Time, and soon you will no longer be
sending innocent programmers poking through .h files in order
to figure out what "Catspace" means.

:-), in case you didn't guess.

But if you don't like the naked "1", how about this?

foo =  malloc( strlen(s) + strlen(t) + sizeof('\0'));

Tells it all.  And keeps the reader on track, not grepping around
for macros.