Re: [PATCH] submodule--helper: do not call utf8_fprintf() unnecessarily

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On Wed, Jun 28, 2017 at 1:38 PM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
> The helper function utf8_fprintf(fp, ...) has exactly the same
> effect to the output stream fp as fprintf(fp, ...) does, and the
> only difference is that its return value counts in display columns
> consumed (assuming that the payload is encoded in UTF-8), as opposed
> to number of bytes.
>
> There is no reason to call it unless the caller cares about its
> return value.
>
> Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
> ---
>
>  * The helper was introduced at c0821965 ("Add utf8_fprintf helper
>    that returns correct number of columns", 2013-02-09), which also
>    taught the help text output from the parse_options API to use it
>    to align columns.  These original callers naturally do use the
>    returned value and left alone by this fix, which corrects all the
>    later callers that misuses it.
>

The patch looks correct.

Thanks,
Stefan

>  builtin/submodule--helper.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
> index 8517032b3e..50c6af1de7 100644
> --- a/builtin/submodule--helper.c
> +++ b/builtin/submodule--helper.c
> @@ -326,7 +326,7 @@ static int module_list(int argc, const char **argv, const char *prefix)
>                         printf("%06o %s %d\t", ce->ce_mode,
>                                oid_to_hex(&ce->oid), ce_stage(ce));
>
> -               utf8_fprintf(stdout, "%s\n", ce->name);
> +               fprintf(stdout, "%s\n", ce->name);
>         }
>         return 0;
>  }
> @@ -1038,7 +1038,7 @@ static int update_clone(int argc, const char **argv, const char *prefix)
>                 return 1;
>
>         for_each_string_list_item(item, &suc.projectlines)
> -               utf8_fprintf(stdout, "%s", item->string);
> +               fprintf(stdout, "%s", item->string);
>
>         return 0;
>  }



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