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Re: [PATCH] stdint: Use __extension__ on long long constants
- From: Andreas Schwab <schwab at suse dot de>
- To: "Dennis Lambe Jr." <malsyned at malsyned dot net>
- Cc: libc-alpha at sourceware dot org
- Date: Tue, 25 Feb 2020 10:19:55 +0100
- Subject: Re: [PATCH] stdint: Use __extension__ on long long constants
- References: <20200225072320.Horde.P83S0y7VfCmyChcsW8RVUF4@ssl.uofr.net>
On Feb 25 2020, Dennis Lambe Jr. wrote:
> diff --git a/stdlib/stdint.h b/stdlib/stdint.h
> index 2df07e485b..9fa45672db 100644
> --- a/stdlib/stdint.h
> +++ b/stdlib/stdint.h
> @@ -106,8 +106,8 @@ typedef __uintmax_t uintmax_t;
> # define __INT64_C(c) c ## L
> # define __UINT64_C(c) c ## UL
> # else
> -# define __INT64_C(c) c ## LL
> -# define __UINT64_C(c) c ## ULL
> +# define __INT64_C(c) (__extension__ c ## LL)
> +# define __UINT64_C(c) (__extension__ c ## ULL)
The expansion must be a preprocessor expression.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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