Junio C Hamano wrote:
> --- a/parse-options.c
> +++ b/parse-options.c
> @@ -345,12 +345,27 @@ static void check_typos(const char *arg, const struct
> option *options)
> static void parse_options_check(const struct option *opts)
> {
> int err = 0;
> + char short_opts[128];
> +
> + memset(short_opts, '\0', sizeof(short_opts));
>
> for (; opts->type != OPTION_END; opts++) {
> if ((opts->flags & PARSE_OPT_LASTARG_DEFAULT) &&
> (opts->flags & PARSE_OPT_OPTARG))
> err |= optbug(opts, "uses incompatible flags "
> "LASTARG_DEFAULT and OPTARG");
> + if (opts->short_name) {
> + struct strbuf errmsg = STRBUF_INIT;
> + if (opts->short_name < ' ' || 0x7F <= opts->short_name)
> + strbuf_addf(&errmsg, "invalid short name
> (0x%02x)",
> + opts->short_name);
> + else if (short_opts[opts->short_name]++)
What happens on platforms with a signed char?
With the following squashed in,
Reviewed-by: Jonathan Nieder <[email protected]>
diff --git i/parse-options.c w/parse-options.c
index f7f153a..4cc3f3e 100644
--- i/parse-options.c
+++ w/parse-options.c
@@ -361,7 +361,7 @@ static void parse_options_check(const struct option *opts)
if (opts->short_name < ' ' || 0x7F <= opts->short_name)
strbuf_addf(&errmsg, "invalid short name
(0x%02x)",
opts->short_name);
- else if (short_opts[opts->short_name]++)
+ else if (short_opts[(unsigned char) opts->short_name]++)
strbuf_addf(&errmsg, "short name %c already
used",
opts->short_name);
if (errmsg.len)
--
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