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Re: Do not use __ptr_t

From: Paul Eggert <eggert at cs dot ucla dot edu>
To: Zack Weinberg <zackw at panix dot com>
Cc: Joseph Myers <joseph at codesourcery dot com>, GNU C Library <libc-alpha at sourceware dot org>
Date: Tue, 8 Aug 2017 09:39:40 -0700
Subject: Re: Do not use __ptr_t
Authentication-results: sourceware.org; auth=none
References: <alpine.DEB.2.20.1708080016390.28702@digraph.polyomino.org.uk> <2d47fc00-e581-fa36-381c-a5b82d980b6d@cs.ucla.edu> <CAKCAbMhUzrXJERsmHj2JmfqCo16bow8RBWiEfvT1d9LoHU=ddQ@mail.gmail.com>

Zack Weinberg wrote:

Macros can be deprecated using _Pragma("GCC message \"...\"").


Thanks, good to know. So, something like this instead:

/* This is not a typedef so 'const __ptr_t' does the right thing.  */
#define __ptr_t void * __glibc_macro_warning ("__ptr_t is deprecated")

Follow-Ups:
- Re: Do not use __ptr_t
  - From: Joseph Myers

References:
- Do not use __ptr_t
  - From: Joseph Myers
- Re: Do not use __ptr_t
  - From: Paul Eggert
- Re: Do not use __ptr_t
  - From: Zack Weinberg

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