:github_url: https://github.com/nyx-org/gaia


.. _program_listing_file_fs_tmpfs.hpp:

Program Listing for File tmpfs.hpp
==================================

|exhale_lsh| :ref:`Return to documentation for file <file_fs_tmpfs.hpp>` (``fs/tmpfs.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /* SPDX-License-Identifier: BSD-2-Clause */
   #pragma once
   #include "frg/hash_map.hpp"
   #include "vm/heap.hpp"
   #include <frg/array.hpp>
   #include <fs/vfs.hpp>
   #include <lib/charon.hpp>
   #include <lib/list.hpp>
   
   namespace Gaia::Fs {
   
   struct TmpNode;
   
   struct TmpDirent {
     char name[256];
   
     // ListNode<TmpDirent> link;
   
     TmpNode *tnode;
   
     TmpDirent(){};
   };
   
   struct TmpNode {
     Vnode *vnode = nullptr;
     VnodeAttr attr;
     Vnode::Type type;
   
     TmpNode *parent;
   
     union {
       /* VDIR */
       struct {
         frg::hash_map<frg::string_view, TmpDirent *, frg::hash<frg::string_view>,
                       Vm::HeapAllocator>
             entries;
         // List<TmpDirent, &TmpDirent::link> entries;
       } dir;
   
       /* VREG */
       struct {
         uint8_t *buffer;
         bool compressed;
       } reg;
   
       /* VLNK */
       struct {
         frg::string_view to_name;
         TmpNode *to;
       } link;
     };
   
     TmpNode(){};
     TmpNode(TmpNode *dir, Vnode::Type type, frg::string_view name,
             VnodeAttr attr = DefaultVnodeAttr,
             frg::optional<frg::string_view> symlink_path = frg::null_opt);
   
     Vnode *make_vnode(dev_t = -1);
   };
   
   void tmpfs_init(Charon charon);
   
   } // namespace Gaia::Fs