[PATCH] Show allowed option values for string matching
Helpful to avoid looking in the documentation.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/parse.c b/parse.c
index 2e8a2a5..5347f67 100644
--- a/parse.c
+++ b/parse.c
@@ -366,6 +366,38 @@
return 1;
}
+static void show_option_range(struct fio_option *o)
+{
+ if (!o->minval && !o->maxval)
+ return;
+
+ printf("%16s: min=%d, max=%d\n", "range", o->minval, o->maxval);
+}
+
+static void show_option_values(struct fio_option *o)
+{
+ const char *msg;
+ int i = 0;
+
+ if (!o->posval)
+ return;
+
+ do {
+ msg = o->posval[i];
+ if (!msg)
+ break;
+
+ if (!i)
+ printf("%16s: ", "valid values");
+
+ printf("%s,", msg);
+ i++;
+ } while (1);
+
+ if (i)
+ printf("\n");
+}
+
int show_cmd_help(struct fio_option *options, const char *name)
{
int show_all = !strcmp(name, "all");
@@ -391,6 +423,8 @@
if (match) {
printf("%16s: %s\n", "type", typehelp[o->type]);
printf("%16s: %s\n", "default", o->def ? o->def : "no default");
+ show_option_range(o);
+ show_option_values(o);
}
}