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Re: #import, #pragma once yadda yadda mumble grumble

From: Neil Booth <neil at daikokuya dot co dot uk>
To: Jonathan Lennox <lennox at cs dot columbia dot edu>
Cc: gcc-patches at gcc dot gnu dot org, Mike Stump <mrs at apple dot com>,Nicola Pero <nicola at brainstorm dot co dot uk>,Geoffrey Keating <geoffk at apple dot com>, gcc at gcc dot gnu dot org,Stan Shebs <shebs at apple dot com>, Zack Weinberg <zack at codesourcery dot com>,David Ayers <d dot ayers at inode dot at>
Date: Wed, 30 Jul 2003 21:06:46 +0100
Subject: Re: #import, #pragma once yadda yadda mumble grumble
References: <20030729222547.GF14334@daikokuya.co.uk> <16166.64763.272569.879473@grandcentral.cs.columbia.edu> <16167.1216.601077.143154@grandcentral.cs.columbia.edu> <20030730052359.GG14334@daikokuya.co.uk> <16167.60563.717931.877407@grandcentral.cs.columbia.edu>

Jonathan Lennox wrote:-

> On Wednesday, July 30 2003, "Neil Booth" wrote:
> 
> > If it doesn't hit anything in the hash table, it looks for a once-only
> > file with the same mtime and length (which, unless you're unlucky,
> > should fail for everything).  If something matches it then falls back
> > to a byte-by-byte file comparison (so this is what happens to symlinks
> > and hardlinks, but users of those should expect to pay).
> 
> This comparison also happens for the case:
> #import "dir/file1.h"
> #import "dir/file2.h"
> 
> where dir/file1.h includes
> #import "file2.h"
> 
> right?  Or am I missing something clever about the hash table code?

Right.

Neil.

References:
- #import, #pragma once yadda yadda mumble grumble
  - From: Neil Booth
- Re: #import, #pragma once yadda yadda mumble grumble
  - From: Jonathan Lennox
- Re: #import, #pragma once yadda yadda mumble grumble
  - From: Jonathan Lennox
- Re: #import, #pragma once yadda yadda mumble grumble
  - From: Neil Booth
- Re: #import, #pragma once yadda yadda mumble grumble
  - From: Jonathan Lennox

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