io: add lots of directory and path manipulation functions

io/sys/darwin/directory.c

@@ -1,4 +1,4 @@
-#include "status.h"
+#include "posix.h"
 
 #include <blue/io/directory.h>
 #include <errno.h>
@@ -79,6 +79,112 @@ enum b_status b_directory_open(
 	return B_SUCCESS;
 }
 
+const struct b_path *b_directory_get_path(const struct b_directory *dir)
+{
+	return dir->abs_path;
+}
+
+bool b_directory_path_exists(
+	const struct b_directory *root, const struct b_path *path)
+{
+	const struct b_path *parts[] = {
+		root ? root->abs_path : NULL,
+		path,
+	};
+
+	struct b_path *abs_path
+		= b_path_join(parts, sizeof parts / sizeof parts[0]);
+	if (!abs_path) {
+		return false;
+	}
+
+	bool result = b_path_exists(abs_path);
+	b_path_release(abs_path);
+
+	return result;
+}
+
+bool b_directory_path_is_file(
+	const struct b_directory *root, const struct b_path *path)
+{
+	const struct b_path *parts[] = {
+		root ? root->abs_path : NULL,
+		path,
+	};
+
+	struct b_path *abs_path
+		= b_path_join(parts, sizeof parts / sizeof parts[0]);
+	if (!abs_path) {
+		return false;
+	}
+
+	bool result = b_path_is_file(abs_path);
+	b_path_release(abs_path);
+
+	return result;
+}
+
+bool b_directory_path_is_directory(
+	const struct b_directory *root, const struct b_path *path)
+{
+	const struct b_path *parts[] = {
+		root ? root->abs_path : NULL,
+		path,
+	};
+
+	struct b_path *abs_path
+		= b_path_join(parts, sizeof parts / sizeof parts[0]);
+	if (!abs_path) {
+		return false;
+	}
+
+	bool result = b_path_is_directory(abs_path);
+	b_path_release(abs_path);
+
+	return result;
+}
+
+enum b_status b_directory_path_stat(
+	const struct b_directory *root, const struct b_path *path,
+	struct b_file_info *out)
+{
+	const struct b_path *parts[] = {
+		root ? root->abs_path : NULL,
+		path,
+	};
+
+	struct b_path *abs_path
+		= b_path_join(parts, sizeof parts / sizeof parts[0]);
+	if (!abs_path) {
+		return B_ERR_NO_MEMORY;
+	}
+
+	enum b_status status = b_path_stat(abs_path, out);
+	b_path_release(abs_path);
+
+	return status;
+}
+
+enum b_status b_directory_path_unlink(
+	const struct b_directory *root, const struct b_path *path)
+{
+	const struct b_path *parts[] = {
+		root ? root->abs_path : NULL,
+		path,
+	};
+
+	struct b_path *abs_path
+		= b_path_join(parts, sizeof parts / sizeof parts[0]);
+	if (!abs_path) {
+		return B_ERR_NO_MEMORY;
+	}
+
+	enum b_status status = b_path_unlink(abs_path);
+	b_path_release(abs_path);
+
+	return status;
+}
+
 static int ftsent_compare(const FTSENT **one, const FTSENT **two)
 {
 	return (strcmp((*one)->fts_name, (*two)->fts_name));
@@ -151,6 +257,8 @@ int b_directory_iterator_begin(
 	struct b_directory *directory, struct b_directory_iterator *it,
 	enum b_directory_iterator_flags flags)
 {
+	memset(it, 0x0, sizeof *it);
+
 	it->flags = flags;
 	it->root = directory;
 
@@ -286,4 +394,8 @@ bool b_directory_iterator_is_valid(const struct b_directory_iterator *it)
 
 static void directory_release(struct b_object *obj)
 {
+	struct b_directory *dir = B_DIRECTORY(obj);
+
+	close(dir->fd);
+	b_path_release(dir->abs_path);
 }