1 files changed, 81 insertions, 0 deletions
diff --git a/sys/fs/ext2fs/ext2_dir.h b/sys/fs/ext2fs/ext2_dir.h
new file mode 100755
index 0000000..0676268
--- /dev/null
+++ b/sys/fs/ext2fs/ext2_dir.h
@@ -0,0 +1,81 @@
+/*-
+ * Copyright (c) 2009 Aditya Sarawgi
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _FS_EXT2FS_EXT2_DIR_H_
+#define _FS_EXT2FS_EXT2_DIR_H_
+
+/*
+ * Structure of a directory entry
+ */
+#define EXT2FS_MAXNAMLEN 255
+
+struct	ext2fs_direct {
+	u_int32_t e2d_ino;		/* inode number of entry */
+	u_int16_t e2d_reclen;		/* length of this record */
+	u_int16_t e2d_namlen;		/* length of string in d_name */
+	char e2d_name[EXT2FS_MAXNAMLEN];/* name with length<=EXT2FS_MAXNAMLEN */
+};
+/*
+ * The new version of the directory entry.  Since EXT2 structures are
+ * stored in intel byte order, and the name_len field could never be
+ * bigger than 255 chars, it's safe to reclaim the extra byte for the
+ * file_type field.
+ */
+struct	ext2fs_direct_2 {
+	u_int32_t e2d_ino;		/* inode number of entry */
+	u_int16_t e2d_reclen;		/* length of this record */
+	u_int8_t e2d_namlen;		/* length of string in d_name */
+	u_int8_t e2d_type;		/* file type */
+	char e2d_name[EXT2FS_MAXNAMLEN];/* name with length<=EXT2FS_MAXNAMLEN */
+};
+/*
+ * Ext2 directory file types.  Only the low 3 bits are used.  The
+ * other bits are reserved for now.
+ */
+#define EXT2_FT_UNKNOWN		0
+#define EXT2_FT_REG_FILE	1
+#define EXT2_FT_DIR		2
+#define EXT2_FT_CHRDEV		3
+#define EXT2_FT_BLKDEV 		4
+#define EXT2_FT_FIFO		5
+#define EXT2_FT_SOCK		6
+#define EXT2_FT_SYMLINK		7
+
+#define EXT2_FT_MAX		8
+
+/*
+ * EXT2_DIR_PAD defines the directory entries boundaries
+ *
+ * NOTE: It must be a multiple of 4
+ */
+#define EXT2_DIR_PAD		 	4
+#define EXT2_DIR_ROUND 			(EXT2_DIR_PAD - 1)
+#define EXT2_DIR_REC_LEN(name_len)	(((name_len) + 8 + EXT2_DIR_ROUND) & \
+					 ~EXT2_DIR_ROUND)
+#endif /* !_FS_EXT2FS_EXT2_DIR_H_ */
+