add blobmsg list helpers

1 files changed, 26 insertions, 0 deletions

diff --git a/utils.h b/utils.h
new file mode 100644
index 0000000..3aad3b1
--- /dev/null
+++ b/utils.h
@@ -0,0 +1,26 @@
+#ifndef __PROCD_UTILS_H
+#define __PROCD_UTILS_H
+
+#include <libubox/avl.h>
+#include <libubox/blob.h>
+#include <libubox/blobmsg.h>
+
+struct blobmsg_list {
+	struct avl_tree avl;
+	int node_offset;
+	int node_len;
+};
+
+struct blobmsg_list_node {
+	struct avl_node avl;
+	struct blob_attr *data;
+};
+
+#define blobmsg_list_init(list, type, field) \
+	__blobmsg_list_init(tree, offsetof(type, field), sizeof(type))
+
+void __blobmsg_list_init(struct blobmsg_list *list, int offset, int len);
+int blobmsg_list_fill(struct blobmsg_list *list, void *data, int len);
+void blobmsg_list_free(struct blobmsg_list *list);
+
+#endif