add directory Minix

2024-02-19 00:21:39 -05:00
parent 56596ada90
commit 5a46ddb732
2923 changed files with 1764412 additions and 0 deletions
--- a/Minix/CD-ROM-2.0/DOSUTILS/FIPS/SOURCE/CALCULAT.CPP
+++ b/Minix/CD-ROM-2.0/DOSUTILS/FIPS/SOURCE/CALCULAT.CPP
@@ -0,0 +1,138 @@
+/*
+	FIPS - the First nondestructive Interactive Partition Splitting program
+
+	Module calculat.cpp
+
+	RCS - Header:
+	$Header: c:/daten/fips/source/main/RCS/calculat.cpp 1.4 1995/01/19 00:00:49 schaefer Exp schaefer $
+
+	Copyright (C) 1993 Arno Schaefer
+
+	This program 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 of the License, or
+	(at your option) any later version.
+
+	This program 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.
+
+
+	Report problems and direct all questions to:
+
+	schaefer@rbg.informatik.th-darmstadt.de
+*/
+
+#include "hdstruct.h"
+#include "fipsspec.h"
+
+/* ----------------------------------------------------------------------- */
+/* Some calculations                                                       */
+/* ----------------------------------------------------------------------- */
+
+void fips_partition_table::calculate_new_root
+(
+	dword new_start_cylinder,
+	partition *partition,
+	const drive_geometry &geometry
+)
+{
+	for (int i = 0; i < 3; i++) if (!partition_info[i].system)
+	// move DOS partitions to the beginning of the partition table
+	{
+		for (int j = i + 1; j < 4; j++) if
+		(
+			(partition_info[j].system == 1) ||
+			(partition_info[j].system == 4) ||
+			(partition_info[j].system == 6)
+		)
+		{
+			struct partition_info tmppart = partition_info[i];
+			partition_info[i] = partition_info[j];
+			partition_info[j] = tmppart;
+
+			if (partition->number == j) partition->number = i;
+			break;
+		}
+	}
+
+	int partition_no = partition->number;
+	partition->partition_info = &partition_info[partition_no];
+
+	for (i=0;i<4;i++) if (!partition_info[i].system) break;
+	// search for first empty slot
+
+	struct partition_info *newpart = &partition_info[i];
+	struct partition_info *oldpart = &partition_info[partition_no];
+
+	newpart->bootable = 0;
+
+	newpart->start_sector_abs =
+		new_start_cylinder *
+		geometry.heads *
+		geometry.sectors;
+
+	newpart->no_of_sectors_abs =
+		oldpart->start_sector_abs +
+		oldpart->no_of_sectors_abs -
+		newpart->start_sector_abs;
+
+	if
+	(
+		(newpart->no_of_sectors_abs > 0xffff) ||
+		(newpart->start_sector_abs > 0xffff)
+	)
+	{
+		newpart->system = 6;
+	}
+	else if
+	(
+		newpart->no_of_sectors_abs >= 20740
+	)
+	{
+		newpart->system = 4;
+	}
+	else
+	{
+		newpart->system = 1;
+	}
+
+	oldpart->no_of_sectors_abs =
+		newpart->start_sector_abs -
+		oldpart->start_sector_abs;
+
+	if
+	(
+		(oldpart->no_of_sectors_abs > 0xffff) ||
+		(oldpart->start_sector_abs > 0xffff)
+	)
+	{
+		oldpart->system = 6;
+	}
+	else
+	{
+		oldpart->system = 4;
+	}
+
+	correct_physical (geometry);
+}
+
+
+void fips_bpb::calculate_new_boot (const partition_info &partition_info)
+{
+	if ((partition_info.no_of_sectors_abs > 0xffff) || (partition_info.start_sector_abs > 0xffff))
+	{
+		no_of_sectors = 0;
+		no_of_sectors_long = partition_info.no_of_sectors_abs;
+	}
+	else
+	{
+		no_of_sectors_long = 0;
+		no_of_sectors = partition_info.no_of_sectors_abs;
+	}
+}