NetBSD/distrib/utils/sysinst/fdisk.c

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1997-10-18 01:10:39 +04:00
/* $NetBSD: fdisk.c,v 1.2 1997/10/17 21:10:56 phil Exp $ */
/*
* Copyright 1997 Piermont Information Systems Inc.
* All rights reserved.
*
* Written by Philip A. Nelson for Piermont Information Systems Inc.
*
* 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 develooped for the NetBSD Project by
* Piermont Information Systems Inc.
* 4. The name of Piermont Information Systems Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``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 PIERMONT INFORMATION SYSTEMS INC. 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.
*
*/
/* fdisk.c -- routines to deal with fdisk ... */
#include <stdio.h>
#include "defs.h"
#include "md.h"
#include "txtwalk.h"
#include "msg_defs.h"
#include "menu_defs.h"
struct lookfor fdiskbuf[] = {
{"DLCYL", "DLCYL=%d", "a $0", &dlcyl, NULL},
{"DLHEAD", "DLHEAD=%d", "a $0", &dlhead, NULL},
{"DLSEC", "DLSEC=%d", "a $0", &dlsec, NULL},
{"BCYL", "BCYL=%d", "a $0", &bcyl, NULL},
{"BHEAD", "BHEAD=%d", "a $0", &bhead, NULL},
{"BSEC", "BSEC=%d", "a $0", &bsec, NULL},
{"PART0ID", "PART0ID=%d", "a $0", &part[0][ID], NULL},
{"PART0SIZE", "PART0SIZE=%d", "a $0", &part[0][SIZE], NULL},
{"PART0START", "PART0START=%d", "a $0", &part[0][START], NULL},
{"PART0FLAG", "PART0FLAG=%d", "a $0", &part[0][FLAG], NULL},
{"PART1ID", "PART1ID=%d", "a $0", &part[1][ID], NULL},
{"PART1SIZE", "PART1SIZE=%d", "a $0", &part[1][SIZE], NULL},
{"PART1START", "PART1START=%d", "a $0", &part[1][START], NULL},
{"PART1FLAG", "PART1FLAG=%d", "a $0", &part[1][FLAG], NULL},
{"PART2ID", "PART2ID=%d", "a $0", &part[2][ID], NULL},
{"PART2SIZE", "PART2SIZE=%d", "a $0", &part[2][SIZE], NULL},
{"PART2START", "PART2START=%d", "a $0", &part[2][START], NULL},
{"PART2FLAG", "PART2FLAG=%d", "a $0", &part[2][FLAG], NULL},
{"PART3ID", "PART3ID=%d", "a $0", &part[3][ID], NULL},
{"PART3SIZE", "PART3SIZE=%d", "a $0", &part[3][SIZE], NULL},
{"PART3START", "PART3START=%d", "a $0", &part[3][START], NULL},
{"PART3FLAG", "PART3FLAG=%d", "a $0", &part[3][FLAG], NULL}
};
int numfdiskbuf = sizeof(fdiskbuf) / sizeof(struct lookfor);
struct part_id {
int id;
char *name;
} part_ids[] = {
{0, "unused"},
{1, "Primary DOS, 12 bit FAT"},
{4, "Primary DOS, 16 bit FAT <32M"},
{5, "Extended DOS"},
{6, "Primary DOS, 16-bit FAT >32MB"},
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{7, "NTFS"},
{165, "NetBSD"},
{-1, "Unknown"},
};
int partsoverlap(int i, int j)
{
if (part[i][SIZE] == 0 || part[j][SIZE] == 0)
return 0;
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return
(part[i][START] < part[j][START] &&
part[i][START] + part[i][SIZE] > part[j][START])
||
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(part[i][START] > part[j][START] &&
part[i][START] < part[j][START] + part[j][SIZE])
||
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(part[i][START] == part[j][START]);
}
void disp_cur_part (int sel, int disp)
{
int i, j, start, stop;
if (disp < 0)
start = 0, stop = 4;
else
start = disp, stop = disp+1;
msg_display_add (MSG_part_head, multname, multname);
for (i=start; i<stop; i++) {
if (sel == i) msg_standout();
if (part[i][SIZE] == 0 && part[i][START] == 0)
msg_printf_add ("%d %24s ", i, "");
else
msg_printf_add ("%d %12d%12d ", i,
part[i][START] / sizemult,
part[i][SIZE] / sizemult);
for (j = 0; part_ids[j].id != -1 &&
part_ids[j].id != part[i][ID]; j++);
msg_printf_add ("%s\n", part_ids[j].name);
if (sel == i) msg_standend();
}
}
int check_geom (void)
{
return bcyl < 1024 && bsec < 64 && bcyl > 0 && bhead > 0 && bsec > 0;
}
void set_fdisk_geom (void)
{
char res[80];
msg_display_add (MSG_setfdiskgeom);
disp_cur_geom();
msg_printf_add ("\n");
msg_prompt_add (MSG_cylinders, NULL, res, 80);
bcyl = atoi(res);
msg_prompt_add (MSG_heads, NULL, res, 80);
bhead = atoi(res);
msg_prompt_add (MSG_sectors, NULL, res, 80);
bsec = atoi(res);
bstuffset = 1;
}
void disp_cur_geom (void)
{
msg_display_add (MSG_realgeom, dlcyl, dlhead, dlsec);
msg_display_add (MSG_fdiskgeom, bcyl, bhead, bsec);
}
void get_fdisk_info (void)
{
char *textbuf;
int textsize;
/* Get Fdisk information */
textsize = collect (T_OUTPUT, &textbuf,
"/sbin/fdisk -S /dev/r%sd 2>/dev/null", diskdev);
if (textsize < 0) {
endwin();
(void) fprintf (stderr, "Could not run fdisk.");
exit (1);
}
walk (textbuf, textsize, fdiskbuf, numfdiskbuf);
free (textbuf);
}