1 files changed, 33 insertions, 3 deletions

diff --git a/src/instance.c b/src/instance.c
index ca80a45..8d62e1e 100644
--- a/src/instance.c
+++ b/src/instance.c
@@ -11,6 +11,14 @@
 
 #include <errno.h>
 
+const char *const l2_instance_errormsg[] = {
+  "Success",
+  "OS error",
+  "JSON error",
+  "Malformed instance file",
+  NULL
+};
+
 int l2_instance__load_all_from_object(json_t *obj);
 json_t *l2_instance__save_all_to_object(void);
 
@@ -116,8 +124,8 @@ int l2_instance_del_instance(struct l2_instance *inst)
     l2_state.instance_head = inst->next;
   }
 
-  free((char *)inst->name); /* okay to cast away const because any instance in the list will be allocated with strdup */
-  free((char *)inst->path);
+  free(inst->name); /* okay to cast away const because any instance in the list will be allocated with strdup */
+  free(inst->path);
   free(inst);
 
   return INSTANCE_SUCCESS;
@@ -128,11 +136,33 @@ int l2_instance_rename_instance(struct l2_instance *inst, const char *newname)
   char *nn = strdup(newname);
   if (!nn) return INSTANCE_ERRNO;
 
-  free((char *)inst->name);
+  free(inst->name);
   inst->name = nn;
   return INSTANCE_SUCCESS;
 }
 
+struct l2_instance *l2_instance_find_by_uuid(const uuid_t *id)
+{
+  for (struct l2_instance *inst = l2_state.instance_head; inst; inst = inst->next) {
+    if (!memcmp(id, &inst->uuid, sizeof(uuid_t))) {
+      return inst;
+    }
+  }
+
+  return NULL;
+}
+
+struct l2_instance *l2_instance_find_by_name(const char *name)
+{
+  for (struct l2_instance *inst = l2_state.instance_head; inst; inst = inst->next) {
+    if (!strcmp(inst->name, name)) {
+      return inst;
+    }
+  }
+
+  return NULL;
+}
+
 /* internal utilities */
 
 int l2_instance__load_all_from_object(json_t *obj)