Initial revision

1 files changed, 41 insertions, 0 deletions

diff --git a/ufs-fsck/utilities.c b/ufs-fsck/utilities.c
new file mode 100644
index 00000000..c4846445
--- /dev/null
+++ b/ufs-fsck/utilities.c
@@ -0,0 +1,41 @@
+/* Miscellaneous functions for fsck
+   Copyright (C) 1994 Free Software Foundation, Inc.
+   Written by Michael I. Bushnell.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "fsck.h"
+
+/* Read disk block ADDR into BUF of SIZE bytes. */
+void
+readblock (daddr_t addr, void *buf, size_t size)
+{
+  if (lseek (readfd, addr * DEV_BSIZE, L_SET) == -1)
+    errexit ("CANNOT SEEK TO BLOCK %d", addr);
+  if (read (readfd, buf, size) != size)
+    errexit ("CANNOT READ BLOCK %d", addr);
+}
+
+/* Write disk block BLKNO from BUF of SIZE bytes. */
+void
+writeblock (daddr_t addr, void *buf, size_t size)
+{
+  if (lseek (writefd, addr * DEV_BSIZE, L_SET) == -1)
+    errexit ("CANNOT SEEK TO BLOCK %d", addr);
+  if (write (writefd, buf, size) != size)
+    errexit ("CANNOT READ BLOCK %d", addr);
+}