Merge pull request #2 from amlel-el-mahrouss/dev

embdfs: add filesystem structure + tex files.

1 files changed, 23 insertions, 15 deletions

diff --git a/lib/astdx/embdfs.hpp b/lib/astdx/embdfs.hpp
index 6b018cf..dbb0042 100644
--- a/lib/astdx/embdfs.hpp
+++ b/lib/astdx/embdfs.hpp
@@ -15,7 +15,7 @@
 /// @brief A Filesystem designed for tiny storage medias.
 /// @author Amlal EL Mahrouss (amlal@nekernel.org)
 
-namespace astdx::freestanding
+namespace astdx::embdfs
 {
 	namespace details
 	{
@@ -24,6 +24,9 @@ namespace astdx::freestanding
 
 		inline constexpr const size_t _superblock_name_len	  = 16;
 		inline constexpr const size_t _superblock_reserve_len = 462;
+		inline constexpr const size_t _inode_name_len		  = 128;
+		inline constexpr const size_t _inode_arr_len		  = 12;
+		inline constexpr const size_t _inode_lookup_len		  = 8;
 
 #ifdef EMBDFS_28BIT_LBA
 		typedef std::uint32_t lba_t;
@@ -50,21 +53,26 @@ namespace astdx::freestanding
 			utf8_char_t s_name[_superblock_name_len];
 			utf8_char_t s_reserved[_superblock_reserve_len];
 		};
-	} // namespace details
 
-	/// @brief Creates the library context.
-	/// @return Whether it suceeded or not.
-	inline int32_t embdfs_create_context()
-	{
-		return 0;
-	}
+		/// @brief Indexed node structure.
+		/// @brief i_name file name
+		/// @brief i_size_virt, i_size_phys: virtual and physical (sector count) size.
+		/// @brief i_offset direct block pointer.
+		/// @brief i_checksum crc32 checksum.
+		/// @brief i_flags_perms flags and permissions
+		/// @brief i_acl_* ACL to keep track of inode allocation status.
+		struct embdfs_inode
+		{
+			utf8_char_t i_name[_inode_name_len];
+			sword_t		i_size_virt, i_size_phys;
+			lba_t		i_offset[_inode_lookup_len];
+			sword_t		i_checksum, i_flags_perms;
+			lba_t		i_acl_creat, i_acl_edit, i_acl_delet;
+		};
 
-	/// @brief Destroys the library context.
-	/// @return Whether it suceeded or not.
-	inline int32_t embdfs_destroy_context()
-	{
-		return 0;
-	}
-} // namespace astdx::freestanding
+		/// @brief Indexed node linear array.
+		typedef embdfs_inode embdfs_inode_arr_t[_inode_arr_len];
+	} // namespace details
+} // namespace astdx::embdfs
 
 #endif // ifndef _STDX_EMBDFS_HPP
\ No newline at end of file