libmount: (tests) add helper for option list splitting

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>

diff --git a/libmount/src/optlist.c b/libmount/src/optlist.c
index 1e962ec6d89140c2a56781acd57e36095768f456..e93810b47f77f2f0fdc38ace2df642980f03c217 100644 (file)
--- a/libmount/src/optlist.c
+++ b/libmount/src/optlist.c
@@ -1386,6 +1386,35 @@ static int test_get_flg(struct libmnt_test *ts, int argc, char *argv[])
        return rc;
 }
 
+static int test_split(struct libmnt_test *ts, int argc, char *argv[])
+{
+       struct libmnt_optlist *ol;
+       int rc;
+       struct libmnt_iter itr;
+       struct libmnt_opt *opt;
+       const char *name, *value;
+
+       if (argc != 2)
+               return -EINVAL;
+       rc = mk_optlist(&ol, argv[1]);
+       if (rc)
+               goto done;
+
+       mnt_reset_iter(&itr, MNT_ITER_FORWARD);
+
+       while (mnt_optlist_next_opt(ol, &itr, &opt) == 0) {
+               name = mnt_opt_get_name(opt);
+               value = mnt_opt_get_value(opt);
+
+               printf("%s = %s\n", name, value ?: "(null)");
+       }
+
+done:
+       mnt_unref_optlist(ol);
+       return rc;
+}
+
+
 int main(int argc, char *argv[])
 {
        struct libmnt_test tss[] = {
@@ -1396,6 +1425,7 @@ int main(int argc, char *argv[])
                { "--set-flg",     test_set_flg,     "<list> <flg>  linux|user   set to the list" },
                { "--get-str",     test_get_str,     "<list> [linux|user]        all options in string" },
                { "--get-flg",     test_get_flg,     "<list>  linux|user         all options by flags" },
+               { "--split",       test_split,       "<list>                     split options into key-value pairs"},
 
                { NULL }
        };