common: Add plist_dict_merge() helper to merge dictionaries

2 files changed, 28 insertions, 0 deletions

diff --git a/src/common.c b/src/common.c
index 6c2b613..426b96f 100644
--- a/src/common.c
+++ b/src/common.c
@@ -262,3 +262,29 @@ void idevicerestore_progress(struct idevicerestore_client_t* client, int step, d
 		}
 	}
 }
+
+void plist_dict_merge(plist_t* dictionary, plist_t node)
+{
+	if (dictionary == NULL || (plist_get_node_type(*dictionary) != PLIST_DICT))
+		return;
+
+	char* key = NULL;
+	plist_dict_iter it = NULL;
+	plist_t subnode = NULL;
+	plist_dict_new_iter(node, &it);
+	plist_dict_next_item(node, it, &key, &subnode);
+
+	while (subnode)
+	{
+		if (plist_dict_get_item(*dictionary, key) != NULL)
+			plist_dict_remove_item(*dictionary, key);
+
+		plist_dict_insert_item(*dictionary, key, plist_copy(subnode));
+		if (key) {
+			free(key);
+			key = NULL;
+		}
+		plist_dict_next_item(node, it, &key, &subnode);
+	}
+	free(it);
+}
\ No newline at end of file
diff --git a/src/common.h b/src/common.h
index 2ea4a91..0805e0a 100644
--- a/src/common.h
+++ b/src/common.h
@@ -137,6 +137,8 @@ int mkdir_with_parents(const char *dir, int mode);
 
 void idevicerestore_progress(struct idevicerestore_client_t* client, int step, double progress);
 
+void plist_dict_merge(plist_t* dictionary, plist_t node);
+
 #ifdef __cplusplus
 }
 #endif