New fdisk code with interactive (command line type)

editing code.  Rewrite from the ground up, save about
20 lines of code.  Seems to create valid partition
tables on i386 and alphas.

1 files changed, 72 insertions, 0 deletions

diff --git a/sbin/fdisk/mbr.h b/sbin/fdisk/mbr.h
new file mode 100644
index 00000000000..049b8f854c4
--- /dev/null
+++ b/sbin/fdisk/mbr.h
@@ -0,0 +1,72 @@
+
+/* $OpenBSD: mbr.h,v 1.1 1997/09/29 22:58:17 weingart Exp $ */
+
+/*
+ * Copyright (c) 1997 Tobias Weingartner
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    This product includes software developed by Tobias Weingartner.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+#ifndef _MBR_H
+#define _MBR_H
+
+#include "part.h"
+
+/* Various constants */
+#define MBR_CODE_SIZE 0x1B8
+#define MBR_PART_SIZE	0x10
+#define MBR_PART_OFF 0x1BE
+#define MBR_NTSER_OFF 0x1B8
+#define MBR_SPARE_OFF 0x1BC		/* Spare short, not used */
+#define MBR_SIG_OFF 0x1FE
+
+
+/* MBR type */
+typedef struct _mbr_t {
+	unsigned char code[MBR_CODE_SIZE];
+	unsigned long nt_serial;
+	unsigned short spare;
+	prt_t part[NDOSPART];
+	unsigned short signature;
+} mbr_t;
+
+/* Prototypes */
+void MBR_print_disk __P((char *));
+void MBR_print __P((mbr_t *));
+void MBR_parse __P((char *, mbr_t *));
+void MBR_make __P((mbr_t *, char *));
+int MBR_read __P((int, off_t, char *));
+int MBR_write __P((int, off_t, char *));
+
+/* Sanity check */
+#include <machine/param.h>
+#if (DEV_BSIZE != 512)
+#error "DEV_BSIZE != 512, somebody better fix!"
+#endif
+
+#endif _MBR_H
+