summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--parse-options.c26
-rw-r--r--parse-options.h4
2 files changed, 21 insertions, 9 deletions
diff --git a/parse-options.c b/parse-options.c
index cf71bcffd2..e8955be7b4 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -361,6 +361,20 @@ int parse_options(int argc, const char **argv, const struct option *options,
return parse_options_end(&ctx);
}
+static int usage_argh(const struct option *opts)
+{
+ const char *s;
+ int literal = opts->flags & PARSE_OPT_LITERAL_ARGHELP;
+ if (opts->flags & PARSE_OPT_OPTARG)
+ if (opts->long_name)
+ s = literal ? "[=%s]" : "[=<%s>]";
+ else
+ s = literal ? "[%s]" : "[<%s>]";
+ else
+ s = literal ? " %s" : " <%s>";
+ return fprintf(stderr, s, opts->argh);
+}
+
#define USAGE_OPTS_WIDTH 24
#define USAGE_GAP 2
@@ -421,15 +435,9 @@ int usage_with_options_internal(const char * const *usagestr,
break;
/* FALLTHROUGH */
case OPTION_STRING:
- if (opts->argh) {
- if (opts->flags & PARSE_OPT_OPTARG)
- if (opts->long_name)
- pos += fprintf(stderr, "[=<%s>]", opts->argh);
- else
- pos += fprintf(stderr, "[<%s>]", opts->argh);
- else
- pos += fprintf(stderr, " <%s>", opts->argh);
- } else {
+ if (opts->argh)
+ pos += usage_argh(opts);
+ else {
if (opts->flags & PARSE_OPT_OPTARG)
if (opts->long_name)
pos += fprintf(stderr, "[=...]");
diff --git a/parse-options.h b/parse-options.h
index b54eec128b..910aa1e9f1 100644
--- a/parse-options.h
+++ b/parse-options.h
@@ -31,6 +31,7 @@ enum parse_opt_option_flags {
PARSE_OPT_NONEG = 4,
PARSE_OPT_HIDDEN = 8,
PARSE_OPT_LASTARG_DEFAULT = 16,
+ PARSE_OPT_LITERAL_ARGHELP = 64,
};
struct option;
@@ -66,6 +67,9 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
* PARSE_OPT_NONEG: says that this option cannot be negated
* PARSE_OPT_HIDDEN this option is skipped in the default usage, showed in
* the long one.
+ * PARSE_OPT_LITERAL_ARGHELP: says that argh shouldn't be enclosed in brackets
+ * (i.e. '<argh>') in the help message.
+ * Useful for options with multiple parameters.
*
* `callback`::
* pointer to the callback to use for OPTION_CALLBACK.