return error("unknown option `%s'", arg);
}
+static NORETURN void usage_with_options_internal(const char * const *,
+ const struct option *, int);
+
int parse_options(int argc, const char **argv, const struct option *options,
const char * const usagestr[], int flags)
{
break;
}
+ if (!strcmp(arg + 2, "help-all"))
+ usage_with_options_internal(usagestr, options, 1);
if (!strcmp(arg + 2, "help"))
usage_with_options(usagestr, options);
if (parse_long_opt(&args, arg + 2, options))
#define USAGE_OPTS_WIDTH 24
#define USAGE_GAP 2
-void usage_with_options(const char * const *usagestr,
- const struct option *opts)
+void usage_with_options_internal(const char * const *usagestr,
+ const struct option *opts, int full)
{
fprintf(stderr, "usage: %s\n", *usagestr++);
while (*usagestr && **usagestr)
fprintf(stderr, "%s\n", opts->help);
continue;
}
+ if (!full && (opts->flags & PARSE_OPT_HIDDEN))
+ continue;
pos = fprintf(stderr, " ");
if (opts->short_name)
exit(129);
}
+void usage_with_options(const char * const *usagestr,
+ const struct option *opts)
+{
+ usage_with_options_internal(usagestr, opts, 0);
+}
+
/*----- some often used options -----*/
#include "cache.h"
PARSE_OPT_OPTARG = 1,
PARSE_OPT_NOARG = 2,
PARSE_OPT_NONEG = 4,
+ PARSE_OPT_HIDDEN = 8,
};
struct option;
* PARSE_OPT_OPTARG: says that the argument is optionnal (not for BOOLEANs)
* PARSE_OPT_NOARG: says that this option takes no argument, for CALLBACKs
* 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.
*
* `callback`::
* pointer to the callback to use for OPTION_CALLBACK.