Added filesystem

include/filesystem/ustar.hpp

@@ -0,0 +1,71 @@
+#ifndef __FENNIX_KERNEL_FILESYSTEM_USTAR_H__
+#define __FENNIX_KERNEL_FILESYSTEM_USTAR_H__
+
+#include <types.h>
+
+#include <filesystem.hpp>
+
+namespace FileSystem
+{
+    class USTAR
+    {
+        enum FileType
+        {
+            REGULAR_FILE = '0',
+            HARDLINK = '1',
+            SYMLINK = '2',
+            CHARDEV = '3',
+            BLOCKDEV = '4',
+            DIRECTORY = '5',
+            FIFO = '6'
+        };
+
+        struct FileHeader
+        {
+            char name[100];
+            char mode[8];
+            char uid[8];
+            char gid[8];
+            char size[12];
+            char mtime[12];
+            char chksum[8];
+            char typeflag[1];
+            char link[100];
+            char signature[6];
+            char version[2];
+            char owner[32];
+            char group[32];
+            char dev_maj[8];
+            char dev_min[8];
+            char prefix[155];
+            char pad[12];
+        };
+
+    private:
+        uint32_t getsize(const char *s)
+        {
+            uint64_t ret = 0;
+            while (*s)
+            {
+                ret *= 8;
+                ret += *s - '0';
+                s++;
+            }
+            return ret;
+        }
+
+        int string2int(const char *str)
+        {
+            int res = 0;
+            for (int i = 0; str[i] != '\0'; ++i)
+                res = res * 10 + str[i] - '0';
+            return res;
+        }
+
+    public:
+        USTAR(uint64_t Address, Virtual *vfs);
+        ~USTAR();
+    };
+}
+
+#endif // !__FENNIX_KERNEL_FILESYSTEM_USTAR_H__