Saving directories

include/ipfs/merkledag/node.h

@@ -127,12 +127,21 @@ int ipfs_node_protobuf_decode(unsigned char* buffer, size_t buffer_length, struc
  * Node Functions
  *===================================================================================*/
 
-/*ipfs_node_new
+/****
  * Creates an empty node, allocates the required memory
- * Returns a fresh new node with no data set in it.
+ * @param node the pointer to the memory allocated
+ * @returns true(1) on success, otherwise false(0)
  */
 int ipfs_node_new(struct Node** node);
 
+/***
+ * Allocates memory for a node, and sets the data section to indicate
+ * that this node is a directory
+ * @param node the node to initialize
+ * @returns true(1) on success, otherwise false(0)
+ */
+int ipfs_node_create_directory(struct Node** node);
+
 /**
  * sets the Cid into the struct element titled cached
  * @param node the node to work with

include/ipfs/os/utils.h

@@ -8,6 +8,18 @@
 #include <string.h>
 #include <unistd.h>
 
+/**
+ * a linked list to store filenames
+ */
+struct FileList {
+	char* file_name;
+	struct FileList* next;
+};
+
+struct FileList* os_utils_list_directory(const char* path);
+// frees memory used by creating a FileList linked list
+int os_utils_free_file_list(struct FileList* first);
+
 /**
  * get an environment varible from the os
  * @param variable the variable to look for
@@ -38,4 +50,11 @@ int os_utils_directory_writeable(const char* path);
 
 int os_utils_directory_exists(const char* path);
 
+/**
+ * Determine if the path presented is actually a directory
+ * @param file_name the path to examine
+ * @returns true(1) if file_name is actually a directory
+ */
+int os_utils_is_directory(const char* file_name);
+
 #endif /* utils_h */