libext2fs: Always swab the MMP block on big-endian systems machines

[tools/e2fsprogs.git] / lib / ext2fs / newdir.c

diff --git a/lib/ext2fs/newdir.c b/lib/ext2fs/newdir.c
index 948bad9..b0a1e47 100644 (file)
--- a/lib/ext2fs/newdir.c
+++ b/lib/ext2fs/newdir.c
@@ -1,56 +1,77 @@
 /*
  * newdir.c --- create a new directory block
- * 
- * Copyright (C) 1994 Theodore Ts'o.  This file may be redistributed
- * under the terms of the GNU Public License.
+ *
+ * Copyright (C) 1994, 1995 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
  */
 
+#include "config.h"
 #include <stdio.h>
 #include <string.h>
+#if HAVE_UNISTD_H
 #include <unistd.h>
-#include <stdlib.h>
-#include <linux/fs.h>
-#include <linux/ext2_fs.h>
+#endif
 
+#include "ext2_fs.h"
 #include "ext2fs.h"
 
+#ifndef EXT2_FT_DIR
+#define EXT2_FT_DIR            2
+#endif
+
 /*
  * Create new directory block
  */
-errcode_t ext2fs_new_dir_block(ext2_filsys fs, ino_t dir_ino, ino_t parent_ino,
-                              char **block)
+errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino,
+                              ext2_ino_t parent_ino, char **block)
 {
-       char    *buf;
-       struct ext2_dir_entry *dir = NULL;
-       int     rec_len;
+       struct ext2_dir_entry   *dir = NULL;
+       errcode_t               retval;
+       char                    *buf;
+       int                     rec_len;
+       int                     filetype = 0;
+
+       EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
 
-       buf = malloc(fs->blocksize);
-       if (!buf)
-               return ENOMEM;
+       retval = ext2fs_get_mem(fs->blocksize, &buf);
+       if (retval)
+               return retval;
        memset(buf, 0, fs->blocksize);
        dir = (struct ext2_dir_entry *) buf;
-       dir->rec_len = fs->blocksize;
+
+       retval = ext2fs_set_rec_len(fs, fs->blocksize, dir);
+       if (retval)
+               return retval;
 
        if (dir_ino) {
+               if (fs->super->s_feature_incompat &
+                   EXT2_FEATURE_INCOMPAT_FILETYPE)
+                       filetype = EXT2_FT_DIR << 8;
                /*
                 * Set up entry for '.'
                 */
                dir->inode = dir_ino;
-               dir->name_len = 1;
+               dir->name_len = 1 | filetype;
                dir->name[0] = '.';
-               rec_len = dir->rec_len - EXT2_DIR_REC_LEN(dir->name_len);
-               dir->rec_len = EXT2_DIR_REC_LEN(dir->name_len);
+               rec_len = fs->blocksize - EXT2_DIR_REC_LEN(1);
+               dir->rec_len = EXT2_DIR_REC_LEN(1);
 
                /*
                 * Set up entry for '..'
                 */
                dir = (struct ext2_dir_entry *) (buf + dir->rec_len);
-               dir->rec_len = rec_len;
+               retval = ext2fs_set_rec_len(fs, rec_len, dir);
+               if (retval)
+                       return retval;
                dir->inode = parent_ino;
-               dir->name_len = 2;
+               dir->name_len = 2 | filetype;
                dir->name[0] = '.';
                dir->name[1] = '.';
-               
+
        }
        *block = buf;
        return 0;