summaryrefslogtreecommitdiff
path: root/sysroot/usr/include/linux/efs_dir.h
diff options
context:
space:
mode:
Diffstat (limited to 'sysroot/usr/include/linux/efs_dir.h')
-rw-r--r--sysroot/usr/include/linux/efs_dir.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/sysroot/usr/include/linux/efs_dir.h b/sysroot/usr/include/linux/efs_dir.h
new file mode 100644
index 0000000..5be2762
--- /dev/null
+++ b/sysroot/usr/include/linux/efs_dir.h
@@ -0,0 +1,45 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** This header was automatically generated from a Linux kernel header
+ *** of the same name, to make information necessary for userspace to
+ *** call into the kernel available to libc. It contains only constants,
+ *** structures, and macros generated from the original header, and thus,
+ *** contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __EFS_DIR_H__
+#define __EFS_DIR_H__
+
+#define EFS_DIRBSIZE_BITS EFS_BLOCKSIZE_BITS
+#define EFS_DIRBSIZE (1 << EFS_DIRBSIZE_BITS)
+
+struct efs_dentry {
+ __be32 inode;
+ unsigned char namelen;
+ char name[3];
+};
+
+#define EFS_DENTSIZE (sizeof(struct efs_dentry) - 3 + 1)
+#define EFS_MAXNAMELEN ((1 << (sizeof(char) * 8)) - 1)
+
+#define EFS_DIRBLK_HEADERSIZE 4
+#define EFS_DIRBLK_MAGIC 0xbeef
+
+struct efs_dir {
+ __be16 magic;
+ unsigned char firstused;
+ unsigned char slots;
+
+ unsigned char space[EFS_DIRBSIZE - EFS_DIRBLK_HEADERSIZE];
+};
+
+#define EFS_MAXENTS ((EFS_DIRBSIZE - EFS_DIRBLK_HEADERSIZE) / (EFS_DENTSIZE + sizeof(char)))
+
+#define EFS_SLOTAT(dir, slot) EFS_REALOFF((dir)->space[slot])
+
+#define EFS_REALOFF(offset) ((offset << 1))
+
+#endif
+