[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: new gnulib module "verify" for compile-time assertions
From: |
Jim Meyering |
Subject: |
Re: new gnulib module "verify" for compile-time assertions |
Date: |
Sat, 24 Sep 2005 00:44:15 +0200 |
Bruno Haible <address@hidden> wrote:
> Paul Eggert wrote:
>> I suspect it may not be the last word, with all
>> these screwy compilers to test....).
>
> Indeed, IRIX 6.5 cc gives "warning: signed bitfield of length 1".
>
> Changing the verify_type__ macro like this makes it work without warning.
>
> # define verify_type__(R) \
> struct { int verify_error_if_negative_size__ : (R) ? 2 : -1; }
Or just make the bitfield use type `unsigned int'.
Then people won't wonder why we used 2 instead of 1,
and we won't have to worry about documenting it, either.
# define verify_type__(R) \
struct { unsigned int verify_error_if_negative_size__ : (R) ? 1 : -1; }
>
> Other than that, it works fine with AIX xlc, IRIX cc, HP-UX cc, OSF/1 4.0 cc.
Thanks for testing it.
- Re: new gnulib module "verify" for compile-time assertions, (continued)
- Re: new gnulib module "verify" for compile-time assertions, Jim Meyering, 2005/09/23
- Re: [bug-gnulib] Re: new gnulib module "verify" for compile-time assertions, Bruno Haible, 2005/09/23
- Re: [bug-gnulib] Re: new gnulib module "verify" for compile-time assertions, Paul Eggert, 2005/09/23
- Re: [bug-gnulib] Re: [bug-gnulib] Re: new gnulib module "verify" for compile-time assertions, Bruno Haible, 2005/09/26
- Re: [bug-gnulib] Re: [bug-gnulib] Re: new gnulib module "verify" for compile-time assertions, Paul Eggert, 2005/09/26
- Re: new gnulib module "verify" for compile-time assertions, Jim Meyering, 2005/09/26
- Re: new gnulib module "verify" for compile-time assertions, Paul Eggert, 2005/09/27
- Re: [bug-gnulib] Re: [bug-gnulib] Re: new gnulib module "verify" for compile-time assertions, Bruno Haible, 2005/09/27
- Re: [bug-gnulib] Re: [bug-gnulib] Re: new gnulib module "verify" for compile-time assertions, Paul Eggert, 2005/09/27
- Re: new gnulib module "verify" for compile-time assertions, Bruno Haible, 2005/09/28
- Re: new gnulib module "verify" for compile-time assertions,
Jim Meyering <=
- Re: new gnulib module "verify" for compile-time assertions, Jim Meyering, 2005/09/23