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PC World 1999 August
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dosutils
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fips15c
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input.cpp
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1997-12-20
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/*
FIPS - the First nondestructive Interactive Partition Splitting program
Module input.cpp
RCS - Header:
$Header: c:/daten/fips/source/main/RCS/input.cpp 1.4 1995/01/19 00:00:54 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 <ctype.h>
#include <stdlib.h>
#include "types.h"
#include "disk_io.h"
#include "global.h"
#include "input.h"
/* ----------------------------------------------------------------------- */
/* User Input */
/* ----------------------------------------------------------------------- */
static void wait_for_key (void)
{
printx ("\nPress any Key\n");
getx();
}
int ask_for_drive_number (void)
/*
* Find Disk Drives - if more than one, ask for drive number. If no drive
* was found, issue warning, try drive 0x80 anyway
*/
{
int drives_found = 0;
int drive_table[] = {0,0,0,0,0,0,0,0,0};
int no_of_drives = get_no_of_drives ();
for (int i=0x80; i < 0x80 + no_of_drives; i++)
{
if (get_disk_type (i) == 3)
{
drive_table[drives_found++] = i;
if (drives_found == 9)
break;
}
}
if (drives_found == 0)
{
warning (false, "No compatible hard disk found");
ask_if_continue ();
return (0x80);
}
if (drives_found == 1)
return (drive_table[0]);
printx ("Which Drive (");
for (i=0; i<drives_found; i++)
printx ("%u=0x%02X/", i+1, drive_table[i]);
printx ("\b)? ");
while (true)
{
i = getx ();
if (i >= '1' && i <= '9')
if (drive_table[i - '1'] != 0) break;
}
printx ("%c\n",i);
return (drive_table[i - '1']);
}
int ask_for_partition_number (partition_info parts[])
{
int number_of_partitions = (parts[0].system != 0) + (parts[1].system != 0) +
(parts[2].system != 0) + (parts[3].system != 0);
if (number_of_partitions == 0)
error ("No valid partition found");
if (number_of_partitions == 4)
error ("No free partition");
if (number_of_partitions == 1)
{
wait_for_key();
for (int i = 0; i < 4; i++) if (parts[i].system) return i;
}
printx ("\nWhich Partition do you want to split (");
for (int i = 0; i < 4; i++) if (parts[i].system) printx ("%u/", i + 1);
printx ("\b)? ");
while (true)
{
i = getx ();
if (isdigit (i)) if (('0' < i) && (i <= '4')) if (parts[i - '1'].system) break;
}
printx ("%c\n", i);
return (i - '1');
}
dword ask_for_new_start_cylinder (int start_cylinder, int min_cylinder, int max_cylinder, int sectors_per_cylinder)
{
int akt_cylinder = min_cylinder;
printx ("\nEnter start cylinder for new partition (%u - %u):\n\n",min_cylinder,max_cylinder);
printx ("Use the cursor keys to choose the cylinder, <enter> to continue\n\n");
printx ("Old partition Cylinder New Partition\n");
while (true)
{
double oldsize = (akt_cylinder - start_cylinder) * (double) sectors_per_cylinder / 2048;
double newsize = (max_cylinder - akt_cylinder + 1) * (double) sectors_per_cylinder / 2048;
printf (" %6.1f MB %4u %6.1f MB\r", oldsize, akt_cylinder, newsize);
int input = getx ();
if (input == '\r')
{
printx (" %6.1f MB %4u %6.1f MB\n\n", oldsize, akt_cylinder, newsize);
return (akt_cylinder);
}
else if (input != 0) continue;
input = getx ();
switch (input)
{
case 75:
if (akt_cylinder > min_cylinder) akt_cylinder--;
break;
case 77:
if (akt_cylinder < max_cylinder) akt_cylinder++;
break;
case 72:
if (akt_cylinder - 10 >= min_cylinder) akt_cylinder -= 10;
break;
case 80:
if (akt_cylinder + 10 <= max_cylinder) akt_cylinder += 10;
break;
}
}
}
char ask_yes_no (void)
{
int character;
do character = getx(); while ((character != 'y') && (character != 'n'));
printx ("%c\n",character);
return (character);
}
char ask_correction (void)
{
printx ("Do you want to correct this (y/n) ");
return (ask_yes_no ());
}
void ask_for_write_permission (void)
{
printx ("\nReady to write new partition scheme to disk\n");
printx ("Do you want to proceed (y/n)? ");
if (ask_yes_no () == 'n') exit (0);
}
boolean ask_if_continue (void)
{
printx ("\nDo you want to continue or reedit the partition table (c/r)? ");
int character;
do character = getx(); while ((character != 'c') && (character != 'r'));
printx ("%c\n",character);
if (character == 'r') return (false);
return (true);
}
boolean ask_if_save (void)
{
printx ("Do you want to make a backup copy of your root and boot sector before\nproceeding (y/n)? ");
if (ask_yes_no () == 'n') return (false);
printx ("Do you have a bootable floppy disk in drive A: as described in the\ndocumentation (y/n)? ");
if (ask_yes_no () == 'n')
{
printx ("Please read the file FIPS.DOC!\n");
exit (0);
}
return (true);
}
void ask_if_proceed (void)
{
printx ("Do you want to proceed (y/n)? ");
if (ask_yes_no () == 'n') exit (0);
}