Jiang Xin <worldhello....@gmail.com> writes:
> Signed-off-by: Jiang Xin <worldhello....@gmail.com>
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
> ---
> parse-options.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/parse-options.c b/parse-options.c
> index cd029f..be916 100644
> --- a/parse-options.c
> +++ b/parse-options.c
> @@ -497,6 +497,8 @@ static int usage_with_options_internal(struct
> parse_opt_ctx_t *ctx,
> const struct option *opts, int full, int
> err)
> {
> FILE *outfile = err ? stderr : stdout;
> + const char *opt_num_buff = _("-NUM");
> + int opt_num_size = utf8_strwidth(opt_num_buff);
>
> if (!usagestr)
> return PARSE_OPT_HELP;
> @@ -544,8 +546,10 @@ static int usage_with_options_internal(struct
> parse_opt_ctx_t *ctx,
> pos += fprintf(outfile, ", ");
> if (opts->long_name)
> pos += fprintf(outfile, "--%s", opts->long_name);
> - if (opts->type == OPTION_NUMBER)
> - pos += fprintf(outfile, "-NUM");
> + if (opts->type == OPTION_NUMBER) {
> + fputs(opt_num_buff, outfile);
> + pos += opt_num_size;
> + }
I somehow suspect that this is going in a direction that makes this
piece of code much less maintainable.
Look at the entire function and see how many places you do fprintf
on strings that are marked with _(). short_name and long_name are
not likely to be translated, but everything else is, especially
multiple places that show _(opts->help) neither of these patches
touch.
I wonder if it makes more sense to add a helper function that
returns the number of column positions (not bytes) with a signature
similar to fprintf() and use that throughout the function instead.
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