Subject: Re: [PATCH v3 2/3] khash: silence -Wunused-function in delta-islands from khash

From: SZEDER Gábor <[email-masked]>
Date: Thu, 25 Oct 2018 13:30:45 +0200

On Thu, Oct 25, 2018 at 04:04:26AM -0700, Carlo Marcelo Arenas Belón wrote:
> showing the following when compiled with latest clang (OpenBSD, Fedora
> and macOS):

s/^s/S/
This applies to your other commit messages as well.

But more importantly, please be explicit about the compiler version
that emits the warning, so others won't have to guess when stumbling
upon this commit in a few months or years time.

> delta-islands.c:23:1: warning: unused function 'kh_destroy_str'
>       [-Wunused-function]
> delta-islands.c:23:1: warning: unused function 'kh_clear_str'
>       [-Wunused-function]
> delta-islands.c:23:1: warning: unused function 'kh_del_str' [-Wunused-function]
> 
> Reported-by: René Scharfe <[email-masked]>
> Suggested-by: Nguyễn Thái Ngọc Duy <[email-masked]>
> Signed-off-by: Carlo Marcelo Arenas Belón <[email-masked]>
> Signed-off-by: Junio C Hamano <[email-masked]>
> ---
>  khash.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/khash.h b/khash.h
> index d10caa0c35..532109c87f 100644
> --- a/khash.h
> +++ b/khash.h
> @@ -234,7 +234,7 @@ static const double __ac_HASH_UPPER = 0.77;
>  	__KHASH_IMPL(name, SCOPE, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal)
>  
>  #define KHASH_INIT(name, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal) \
> -	KHASH_INIT2(name, static inline, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal)
> +	KHASH_INIT2(name, MAYBE_UNUSED static inline, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal)
>  
>  /* Other convenient macros... */
>  
> -- 
> 2.19.1
>