Initial commit of progress, minimal formatting niave free list

2017-02-26 18:05:27 -06:00
parent 02156cb47d
commit 160299d35c
5 changed files with 344 additions and 7 deletions
@@ -0,0 +1,32 @@
+/*
+ * The little filesystem
+ *
+ * Copyright (c) 2017 Christopher Haster
+ * Distributed under the MIT license
+ */
+#ifndef LFS_H
+#define LFS_H
+
+#include "lfs_config.h"
+#include "lfs_bd.h"
+
+struct lfs_free_list {
+    lfs_word_t rev[2];
+    lfs_ino_t phead;
+    lfs_ino_t head;
+    lfs_ino_t tip;
+    lfs_off_t off;
+};
+
+typedef struct lfs {
+    lfs_bd_t *bd;
+    const struct lfs_bd_ops *ops;
+
+    struct lfs_free_list free;
+    struct lfs_bd_info info;
+} lfs_t;
+
+lfs_error_t lfs_create(lfs_t *lfs, lfs_bd_t *bd, const struct lfs_bd_ops *bd_ops);
+lfs_error_t lfs_format(lfs_t *lfs);
+
+#endif