On Thu, May 09, 2002 at 03:45:59PM +1000, Greg Black wrote:
> Ian Noname wrote:
>
> | > The general rule is "including includes from includes is bad".
> |
> | Okay, it's time to point out that these are opinions, not rules, and
> | differing opinions exist.
>
> There's no shortage of opinions. They are like arseholes:
> everybody has one. But there are rules that have been carefully
> worked out by people who have put a lot of time into them, and
> those rules are documented in the man pages for each interface
> in the system. A programmer who can read can get this stuff
> right without even rasing a sweat.
>
OK, time to check an actual example to see if the supposed reason
this is a GoodThing(tm) exists.
% man open
...
SYNOPSIS
#include <fcntl.h>
int
open(const char *path, int flags, ...);
...
% ed $inc/fcntl.h
...
/*
* This file includes the definitions for open and fcntl
* described by POSIX for <fcntl.h>; it also includes
* related kernel definitions.
*/
#ifndef _KERNEL
#include <sys/types.h>
#endif
...
So, the reasoning here appears specious.
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