add new command del_list

[project/uci.git] / list.c

diff --git a/list.c b/list.c
index cf6d970..006e2a0 100644 (file)
--- a/list.c
+++ b/list.c
@@ -612,6 +612,38 @@ int uci_add_list(struct uci_context *ctx, struct uci_ptr *ptr)
        return 0;
 }
 
        return 0;
 }
 

+int uci_del_list(struct uci_context *ctx, struct uci_ptr *ptr)
+{
+       /* NB: pass on internal flag to uci_del_element */
+       bool internal = ctx && ctx->internal;
+       struct uci_element *e, *tmp;
+       struct uci_package *p;
+
+       UCI_HANDLE_ERR(ctx);
+
+       uci_expand_ptr(ctx, ptr, false);
+       UCI_ASSERT(ctx, ptr->s);
+       UCI_ASSERT(ctx, ptr->value);
+
+       if (!(ptr->o && ptr->option))
+               return 0;
+
+       if ((ptr->o->type != UCI_TYPE_LIST))
+               return 0;
+
+       p = ptr->p;
+       if (!internal && p->has_delta)
+               uci_add_delta(ctx, &p->delta, UCI_CMD_LIST_DEL, ptr->section, ptr->option, ptr->value);
+
+       uci_foreach_element_safe(&ptr->o->v.list, tmp, e) {
+               if (!strcmp(ptr->value, uci_to_option(e)->e.name)) {
+                       uci_free_option(uci_to_option(e));
+               }
+       }
+
+       return 0;
+}
+

 int uci_set(struct uci_context *ctx, struct uci_ptr *ptr)
 {
        /* NB: UCI_INTERNAL use means without delta tracking */
 int uci_set(struct uci_context *ctx, struct uci_ptr *ptr)
 {
        /* NB: UCI_INTERNAL use means without delta tracking */