when running uci set with an empty value, fall back to uci remove

diff --git a/list.c b/list.c
index adff017..352596d 100644 (file)
--- a/list.c
+++ b/list.c
@@ -656,7 +656,7 @@ int uci_set(struct uci_context *ctx, struct uci_ptr *ptr)
        expand_ptr(ctx, ptr, false);
        UCI_ASSERT(ctx, ptr->value);
        UCI_ASSERT(ctx, ptr->s || (!ptr->option && ptr->section));
-       if (!ptr->option) {
+       if (!ptr->option && ptr->value[0]) {
                UCI_ASSERT(ctx, uci_validate_type(ptr->value));
        }
 
@@ -666,7 +666,9 @@ int uci_set(struct uci_context *ctx, struct uci_ptr *ptr)
                if (e)
                        ptr->o = uci_to_option(e);
        }
-       if (!ptr->o && ptr->option) { /* new option */
+       if (!ptr->value[0]) {
+               return uci_delete(ctx, ptr);
+       } else if (!ptr->o && ptr->option) { /* new option */
                ptr->o = uci_alloc_option(ptr->s, ptr->option, ptr->value);
                ptr->last = &ptr->o->e;
        } else if (!ptr->s && ptr->section) { /* new section */