linux-kernel - Re: [PATCH] tools/lib/subcmd: Fix missing member name

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Date:   Fri, 13 Jan 2017 11:50:59 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Soramichi AKIYAMA <akiyama@...oramichi.jp>
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org,
        mingo@...hat.com, alexander.shishkin@...ux.intel.com
Subject: Re: [PATCH] tools/lib/subcmd: Fix missing member name

Em Fri, Jan 13, 2017 at 09:56:23PM +0900, Soramichi AKIYAMA escreveu:
> This patch adds missing member names to struct initializations.
> Although in C99 for struct S {int x, int y} two init codes
> struct S s = {.x = (a), (b)} and struct S s = {.x = (a), .y = (b)}
> are the same, it is better to explicitly write .y (.argh in this patch)
> for readability and robustness against language/compiler evolutions.

Ouch, of course, applied.

Thanks,

- Arnaldo
 
> Signed-off-by: Soramichi Akiyama <akiyama@...oramichi.jp>
> ---
>  tools/lib/subcmd/parse-options.h | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/tools/lib/subcmd/parse-options.h b/tools/lib/subcmd/parse-options.h
> index 37e2d1a..f054ca1 100644
> --- a/tools/lib/subcmd/parse-options.h
> +++ b/tools/lib/subcmd/parse-options.h
> @@ -133,32 +133,32 @@ struct option {
>  #define OPT_UINTEGER(s, l, v, h)    { .type = OPTION_UINTEGER, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h) }
>  #define OPT_LONG(s, l, v, h)        { .type = OPTION_LONG, .short_name = (s), .long_name = (l), .value = check_vtype(v, long *), .help = (h) }
>  #define OPT_U64(s, l, v, h)         { .type = OPTION_U64, .short_name = (s), .long_name = (l), .value = check_vtype(v, u64 *), .help = (h) }
> -#define OPT_STRING(s, l, v, a, h)   { .type = OPTION_STRING,  .short_name = (s), .long_name = (l), .value = check_vtype(v, const char **), (a), .help = (h) }
> +#define OPT_STRING(s, l, v, a, h)   { .type = OPTION_STRING,  .short_name = (s), .long_name = (l), .value = check_vtype(v, const char **), .argh = (a), .help = (h) }
>  #define OPT_STRING_OPTARG(s, l, v, a, h, d) \
>  	{ .type = OPTION_STRING,  .short_name = (s), .long_name = (l), \
> -	  .value = check_vtype(v, const char **), (a), .help = (h), \
> +	  .value = check_vtype(v, const char **), .argh =(a), .help = (h), \
>  	  .flags = PARSE_OPT_OPTARG, .defval = (intptr_t)(d) }
>  #define OPT_STRING_OPTARG_SET(s, l, v, os, a, h, d) \
>  	{ .type = OPTION_STRING, .short_name = (s), .long_name = (l), \
> -	  .value = check_vtype(v, const char **), (a), .help = (h), \
> +	  .value = check_vtype(v, const char **), .argh = (a), .help = (h), \
>  	  .flags = PARSE_OPT_OPTARG, .defval = (intptr_t)(d), \
>  	  .set = check_vtype(os, bool *)}
> -#define OPT_STRING_NOEMPTY(s, l, v, a, h)   { .type = OPTION_STRING,  .short_name = (s), .long_name = (l), .value = check_vtype(v, const char **), (a), .help = (h), .flags = PARSE_OPT_NOEMPTY}
> +#define OPT_STRING_NOEMPTY(s, l, v, a, h)   { .type = OPTION_STRING,  .short_name = (s), .long_name = (l), .value = check_vtype(v, const char **), .argh = (a), .help = (h), .flags = PARSE_OPT_NOEMPTY}
>  #define OPT_DATE(s, l, v, h) \
>  	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = "time", .help = (h), .callback = parse_opt_approxidate_cb }
>  #define OPT_CALLBACK(s, l, v, a, h, f) \
> -	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), (a), .help = (h), .callback = (f) }
> +	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = (a), .help = (h), .callback = (f) }
>  #define OPT_CALLBACK_NOOPT(s, l, v, a, h, f) \
> -	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), (a), .help = (h), .callback = (f), .flags = PARSE_OPT_NOARG }
> +	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = (a), .help = (h), .callback = (f), .flags = PARSE_OPT_NOARG }
>  #define OPT_CALLBACK_DEFAULT(s, l, v, a, h, f, d) \
> -	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), (a), .help = (h), .callback = (f), .defval = (intptr_t)d, .flags = PARSE_OPT_LASTARG_DEFAULT }
> +	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = (a), .help = (h), .callback = (f), .defval = (intptr_t)d, .flags = PARSE_OPT_LASTARG_DEFAULT }
>  #define OPT_CALLBACK_DEFAULT_NOOPT(s, l, v, a, h, f, d) \
>  	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l),\
> -	.value = (v), (a), .help = (h), .callback = (f), .defval = (intptr_t)d,\
> +	.value = (v), .arg = (a), .help = (h), .callback = (f), .defval = (intptr_t)d,\
>  	.flags = PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NOARG}
>  #define OPT_CALLBACK_OPTARG(s, l, v, d, a, h, f) \
>  	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), \
> -	  .value = (v), (a), .help = (h), .callback = (f), \
> +	  .value = (v), .argh = (a), .help = (h), .callback = (f), \
>  	  .flags = PARSE_OPT_OPTARG, .data = (d) }
>  
>  /* parse_options() will filter out the processed options and leave the
> -- 
> 2.1.4