Unnecessary Parenthesis

[Paul Burchard]

In article <2089 at ssc-vax.UUCP> dmg at ssc-vax.UUCP (David Geary) writes:
>"Unnecessary" parenthesis are something I use all the time in macro
>definitions, also.  Consider:
>
>#define Square(x)  x*x
>#define GetNextChar(c)  c = getchar()
>
  [...]
>The above two macros should have been written like:
>
>#define Square(x)       (x)*(x)
>#define GetNextChar(c)  (c = getchar())
>
  [...]
>~ David Geary, Boeing Aerospace,               ~ 
>~ Seattle - "THE DRIZZLE CAPITAL OF THE WORLD" ~


Actually, they should have been written like

	#define Square(x)       ((x)*(x))
	#define GetNextChar(c)  ((c) = getchar())

I trust you can imagine code that requires these further parens.


-----------------------------------------------------------------------------
Paul Burchard	paul at zaphod.UChicago.Edu
enum Chicago_weather { roast, freeze, steam, dry, simmer } today;
-----------------------------------------------------------------------------