ndk/platforms/android-18/arch-mips/usr/include/linux/efs_dir.h

   1 /****************************************************************************
   2  ****************************************************************************
   3  ***
   4  ***   This header was automatically generated from a Linux kernel header
   5  ***   of the same name, to make information necessary for userspace to
   6  ***   call into the kernel available to libc.  It contains only constants,
   7  ***   structures, and macros generated from the original header, and thus,
   8  ***   contains no copyrightable information.
   9  ***
  10  ****************************************************************************
  11  ****************************************************************************/
  12 #ifndef __EFS_DIR_H__
  13 #define __EFS_DIR_H__
  14
  15 #define EFS_DIRBSIZE_BITS EFS_BLOCKSIZE_BITS
  16 #define EFS_DIRBSIZE (1 << EFS_DIRBSIZE_BITS)
  17
  18 struct efs_dentry {
  19  __be32 inode;
  20  unsigned char namelen;
  21  char name[3];
  22 };
  23
  24 #define EFS_DENTSIZE (sizeof(struct efs_dentry) - 3 + 1)
  25 #define EFS_MAXNAMELEN ((1 << (sizeof(char) * 8)) - 1)
  26
  27 #define EFS_DIRBLK_HEADERSIZE 4
  28 #define EFS_DIRBLK_MAGIC 0xbeef
  29
  30 struct efs_dir {
  31  __be16 magic;
  32  unsigned char firstused;
  33  unsigned char slots;
  34
  35  unsigned char space[EFS_DIRBSIZE - EFS_DIRBLK_HEADERSIZE];
  36 };
  37
  38 #define EFS_MAXENTS   ((EFS_DIRBSIZE - EFS_DIRBLK_HEADERSIZE) /   (EFS_DENTSIZE + sizeof(char)))
  39
  40 #define EFS_SLOTAT(dir, slot) EFS_REALOFF((dir)->space[slot])
  41
  42 #define EFS_REALOFF(offset) ((offset << 1))
  43
  44 #endif
  45