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Diffstat (limited to 'disk-utils/cfdisk.c.bak')
| -rw-r--r-- | disk-utils/cfdisk.c.bak | 2066 |
1 files changed, 2066 insertions, 0 deletions
diff --git a/disk-utils/cfdisk.c.bak b/disk-utils/cfdisk.c.bak new file mode 100644 index 000000000..3b9f22f58 --- /dev/null +++ b/disk-utils/cfdisk.c.bak @@ -0,0 +1,2066 @@ +/**************************************************************************** + * + * CFDISK + * + * cfdisk is a curses based disk drive partitioning program that can + * create partitions for a wide variety of operating systems including + * Linux, MS-DOS and OS/2. + * + * cfdisk was inspired by the fdisk program, by A. V. Le Blanc + * (LeBlanc@mcc.ac.uk). + * + * Copyright (C) 1994 Kevin E. Martin (martin@cs.unc.edu) + * + * cfdisk 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. + * + * cfdisk 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 cfdisk; if not, write to the Free Software Foundation, + * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Created: Fri Jan 28 22:46:58 1994, martin@cs.unc.edu + * + ****************************************************************************/ + +#include <stdlib.h> +#include <stdio.h> +#include <stdarg.h> +#include <unistd.h> +#include <ctype.h> +#include <errno.h> +#include <getopt.h> +#include <fcntl.h> +#include <curses.h> +#include <signal.h> +#include <math.h> +#include <sys/ioctl.h> +#include <linux/genhd.h> +#include <linux/hdreg.h> +#include <linux/fs.h> /* for BLKRRPART */ + +typedef long ext2_loff_t; +extern ext2_loff_t ext2_llseek(unsigned int fd, + ext2_loff_t offset, + unsigned int origin); + +#define VERSION "0.8 BETA (>2GB)" + +#define DEFAULT_DEVICE "/dev/hda" +#define ALTERNATE_DEVICE "/dev/sda" + +#define LINE_LENGTH 80 +#define MAXIMUM_PARTS 60 + +#define SECTOR_SIZE 512 + +#define MAX_CYLINDERS 65535 +#define MAX_HEADS 255 +#define MAX_SECTORS 63 + +#define ACTIVE_FLAG 0x80 +#define PART_TABLE_FLAG 0xAA55 + +#define UNUSABLE -1 +#define FREE_SPACE 0x00 +#define EXTENDED 0x05 +#define LINUX_MINIX 0x81 +#define LINUX_SWAP 0x82 +#define LINUX 0x83 + +#define ADD_EXISTS "This partition is already in use" +#define ADD_UNUSABLE "This partition is unusable" +#define DEL_EMPTY "Cannot delete an empty partition" +#define ID_EMPTY "Cannot change FS Type to empty" +#define ID_EXT "Cannot change FS Type to extended" +#define NEED_EXT "No room to create the extended partition" +#define NO_FLAGS "Cannot make this partition bootable" +#define NO_MORE_PARTS "No more partitions" +#define PRINT_OPEN_ERR "Cannot open file '%s'" +#define TWO_EXTENDEDS "Cannot create logical drive here -- would create two extended partitions" +#define TYPE_EMPTY "Cannot change the type of an empty partition" +#define BAD_COMMAND "Illegal command" +#define MAX_UNMAXABLE "Cannot maximize this partition" +#define BAD_OPEN "Cannot open disk drive" +#define BAD_SEEK "Cannot seek on disk drive" +#define BAD_READ "Cannot read disk drive" +#define BAD_WRITE "Cannot write disk drive" +#define BAD_GEOMETRY "Cannot read disk drive geometry" +#define BAD_PRIMARY "Bad primary partition" +#define BAD_LOGICAL "Bad logical partition" +#define BAD_CYLINDERS "Illegal cylinders value" +#define BAD_HEADS "Illegal heads value" +#define BAD_SECTORS "Illegal sectors value" +#define WRITE_WARN "Warning!! This may destroy data on your disk!" +#define YES_NO "Please enter `yes' or `no'" +#define WRITING_PART "Writing partition table to disk..." +#define YES_WRITE "Wrote partition table to disk" +#define NO_WRITE "Did not write partition table to disk" +#define RRPART_FAILED "Wrote partition table, but re-read table failed. Reboot to update table." + +#define PRI_OR_LOG -1 +#define PRIMARY -2 +#define LOGICAL -3 + +#define COL_ID_WIDTH 20 + +#define CR '\015' +#define ESC '\033' +#define DEL '\177' +#define BELL '\007' +/* '\014' == ^L */ +#define REDRAWKEY '\014' + +/* Display units */ +#define MEGABYTES 1 +#define SECTORS 2 +#define CYLINDERS 3 + +#define GS_DEFAULT -1 +#define GS_ESCAPE -2 + +#define PRINT_RAW_TABLE 1 +#define PRINT_SECTOR_TABLE 2 +#define PRINT_PARTITION_TABLE 4 + +#define IS_PRIMARY(p) ((p) >= 0 && (p) < 4) +#define IS_LOGICAL(p) ((p) > 3) + +#define round_int(d) ((double)((int)(d+0.5))) +#define ceiling(d) ((double)(((d) != (int)(d)) ? (int)(d+1.0) : (int)(d))) + +#define set_hsc(h,s,c,sector) \ +{ \ + s = sector % sectors + 1; \ + sector /= sectors; \ + h = sector % heads; \ + sector /= heads; \ + c = sector & 0xFF; \ + s |= (sector >> 2) & 0xC0;\ +} + +#define ALIGNMENT 2 +typedef union { + struct { + unsigned char align[ALIGNMENT]; + unsigned char b[SECTOR_SIZE]; + } c; + struct { + unsigned char align[ALIGNMENT]; + unsigned char buffer[0x1BE]; + struct partition part[4]; + unsigned short flag; + } p; +} partition_table; + +typedef struct { + int first_sector; /* first sector in partition */ + int last_sector; /* last sector in partition */ + int offset; /* offset from first sector to start of data */ + int flags; /* active == 0x80 */ + int id; /* filesystem type */ + int num; /* number of partition -- primary vs. logical */ +} partition_info; + +char *disk_device = DEFAULT_DEVICE; +int fd; +int heads = 0; +int sectors = 0; +int cylinders = 0; +int changed = FALSE; +int opened = FALSE; + +partition_info p_info[MAXIMUM_PARTS]; +partition_info ext_info; +int num_parts = 0; + +int logical = 0; +int logical_sectors[MAXIMUM_PARTS]; + +__sighandler_t old_SIGINT, old_SIGTERM; + +int arrow_cursor = FALSE; +int display_units = MEGABYTES; +int zero_table = FALSE; +int print_only = 0; + +/* Curses screen information */ +int cur_part = 0; +int warning_last_time = FALSE; +int defined = FALSE; +int COLUMNS = 80; +int NUM_ON_SCREEN = 1; + +/* Y coordinates */ +int HEADER_START = 0; +int DISK_TABLE_START = 5; +int WARNING_START = 23; +int COMMAND_LINE_Y = 21; + +/* X coordinates */ +int NAME_START = 4; +int FLAGS_START = 16; +int PTYPE_START = 30; +int FSTYPE_START = 45; +int SIZE_START = 70; +int COMMAND_LINE_X = 5; + +#define NUM_PART_TYPES 256 +char *partition_type[NUM_PART_TYPES] = { + [LINUX_MINIX] = "Linux/MINIX", + [LINUX_SWAP] = "Linux Swap", + [LINUX] = "Linux", + [FREE_SPACE] = "Free Space", + [EXTENDED] = "Extended", + [0x01] = "DOS 12-bit FAT", + [0x04] = "DOS 16-bit < 32Mb", + [0x06] = "DOS 16-bit >=32Mb", + [0x07] = "OS/2 HPFS", + [0x0A] = "OS/2 Boot Manager", + [0xA5] = "BSD/386", + +/* The rest of these are taken from A. V. Le Blanc's (LeBlanc@mcc.ac.uk) + * fdisk program. I do not know where they came from, but I include + * them for completeness. + */ + + [0x02] = "XENIX root", + [0x03] = "XENIX usr", + [0x08] = "AIX", + [0x09] = "AIX bootable", + [0x40] = "Venix 80286", + [0x51] = "Novell?", + [0x52] = "Microport", + [0x63] = "GNU HURD", + [0x64] = "Novell", + [0x75] = "PC/IX", + [0x80] = "Old MINIX", + [0x93] = "Amoeba", + [0x94] = "Amoeba BBT", + [0xB7] = "BSDI fs", + [0xB8] = "BSDI swap", + [0xC7] = "Syrinx", + [0xDB] = "CP/M", + [0xE1] = "DOS access", + [0xE3] = "DOS R/O", + [0xF2] = "DOS secondary", + [0xFF] = "BBT" +}; + +void fdexit(int ret) +{ + if (opened) + close(fd); + + if (changed) { + fprintf(stderr, "Disk has been changed.\n"); + fprintf(stderr, "Reboot the system to ensure the partition " + "table is correctly updated.\n"); + + fprintf( stderr, "\nWARNING: If you have created or modified any\n" + "DOS 6.x partitions, please see the cfdisk manual\n" + "page for additional information.\n" ); + } + + + exit(ret); +} + +int get_string(char *str, int len, char *def) +{ + char c; + int i = 0; + int x, y; + int use_def = FALSE; + + getyx(stdscr, y, x); + clrtoeol(); + + str[i] = 0; + + if (def != NULL) { + mvaddstr(y, x, def); + move(y, x); + use_def = TRUE; + } + + refresh(); + while ((c = getch()) != '\n' && c != CR) { + switch (c) { + case ESC: + move(y, x); + clrtoeol(); + refresh(); + return GS_ESCAPE; + case DEL: + case '\b': + if (i > 0) { + str[--i] = 0; + mvaddch(y, x+i, ' '); + move(y, x+i); + } else if (use_def) { + clrtoeol(); + use_def = FALSE; + } else + putchar(BELL); + break; + default: + if (i < len && isprint(c)) { + mvaddch(y, x+i, c); + if (use_def) { + clrtoeol(); + use_def = FALSE; + } + str[i++] = c; + str[i] = 0; + } else + putchar(BELL); + } + refresh(); + } + + if (use_def) + return GS_DEFAULT; + else + return i; +} + +void clear_warning(void) +{ + int i; + + if (!warning_last_time) + return; + + move(WARNING_START,0); + for (i = 0; i < COLS; i++) + addch(' '); + + warning_last_time = FALSE; +} + +void print_warning(char *s) +{ + mvaddstr(WARNING_START, (COLS-strlen(s))/2, s); + putchar(BELL); /* CTRL-G */ + + warning_last_time = TRUE; +} + +void fatal(char *s) +{ + char str[LINE_LENGTH]; + + sprintf(str, "FATAL ERROR: %s", s); + mvaddstr(WARNING_START, (COLS-strlen(str))/2, str); + sprintf(str, "Press any key to exit fdisk"); + mvaddstr(WARNING_START+1, (COLS-strlen(str))/2, str); + putchar(BELL); /* CTRL-G */ + + refresh(); + + (void)getch(); + + signal(SIGINT, old_SIGINT); + signal(SIGTERM, old_SIGTERM); + mvcur(0, COLS-1, LINES-1, 0); + nl(); + endwin(); + fdexit(1); +} + +void read_sector(char *buffer, int sect_num) +{ + if (ext2_llseek(fd, sect_num*SECTOR_SIZE, SEEK_SET) < 0) + fatal(BAD_SEEK); + if (read(fd, buffer, SECTOR_SIZE) != SECTOR_SIZE) + fatal(BAD_READ); +} + +void write_sector(char *buffer, int sect_num) +{ + if (ext2_llseek(fd, sect_num*SECTOR_SIZE, SEEK_SET) < 0) + fatal(BAD_SEEK); + if (write(fd, buffer, SECTOR_SIZE) != SECTOR_SIZE) + fatal(BAD_WRITE); +} + +void check_part_info(void) +{ + int i, pri = 0, log = 0; + + for (i = 0; i < num_parts; i++) + if (p_info[i].id > 0 && IS_PRIMARY(p_info[i].num)) + pri++; + else if (p_info[i].id > 0 && IS_LOGICAL(p_info[i].num)) + log++; + if (ext_info.id == EXTENDED) + if (log > 0) + pri++; + else { + ext_info.first_sector = 0; + ext_info.last_sector = 0; + ext_info.offset = 0; + ext_info.flags = 0; + ext_info.id = FREE_SPACE; + ext_info.num = PRIMARY; + } + + if (pri >= 4) + for (i = 0; i < num_parts; i++) + if (p_info[i].id == FREE_SPACE || p_info[i].id == UNUSABLE) + if (ext_info.id == EXTENDED) + if (p_info[i].first_sector >= ext_info.first_sector && + p_info[i].last_sector <= ext_info.last_sector) { + p_info[i].id = FREE_SPACE; + p_info[i].num = LOGICAL; + } else if (i > 0 && + p_info[i-1].first_sector >= + ext_info.first_sector && + p_info[i-1].last_sector <= + ext_info.last_sector) { + p_info[i].id = FREE_SPACE; + p_info[i].num = LOGICAL; + } else if (i < num_parts-1 && + p_info[i+1].first_sector >= + ext_info.first_sector && + p_info[i+1].last_sector <= + ext_info.last_sector) { + p_info[i].id = FREE_SPACE; + p_info[i].num = LOGICAL; + } else + p_info[i].id = UNUSABLE; + else /* if (ext_info.id != EXTENDED) */ + p_info[i].id = UNUSABLE; + else /* if (p_info[i].id > 0) */ + while (0); /* Leave these alone */ + else /* if (pri < 4) */ + for (i = 0; i < num_parts; i++) { + if (p_info[i].id == UNUSABLE) + p_info[i].id = FREE_SPACE; + if (p_info[i].id == FREE_SPACE) + if (ext_info.id == EXTENDED) + if (p_info[i].first_sector >= ext_info.first_sector && + p_info[i].last_sector <= ext_info.last_sector) + p_info[i].num = LOGICAL; + else if (i > 0 && + p_info[i-1].first_sector >= + ext_info.first_sector && + p_info[i-1].last_sector <= + ext_info.last_sector) + p_info[i].num = PRI_OR_LOG; + else if (i < num_parts-1 && + p_info[i+1].first_sector >= + ext_info.first_sector && + p_info[i+1].last_sector <= + ext_info.last_sector) + p_info[i].num = PRI_OR_LOG; + else + p_info[i].num = PRIMARY; + else /* if (ext_info.id != EXTENDED) */ + p_info[i].num = PRI_OR_LOG; + else /* if (p_info[i].id > 0) */ + while (0); /* Leave these alone */ + } +} + +void remove_part(int i) +{ + int p; + + for (p = i; p < num_parts; p++) + p_info[p] = p_info[p+1]; + + num_parts--; +} + +void insert_part(int i, int num, int id, int flags, int first, int last, + int offset) +{ + int p; + + for (p = num_parts; p > i; p--) + p_info[p] = p_info[p-1]; + + p_info[i].first_sector = first; + p_info[i].last_sector = last; + p_info[i].offset = offset; + p_info[i].flags = flags; + p_info[i].id = id; + p_info[i].num = num; + + num_parts++; +} + +void del_part(int i) +{ + int num = p_info[i].num; + + if (i > 0 && (p_info[i-1].id == FREE_SPACE || + p_info[i-1].id == UNUSABLE)) { + /* Merge with previous partition */ + p_info[i-1].last_sector = p_info[i].last_sector; + remove_part(i--); + } + + if (i < num_parts - 1 && (p_info[i+1].id == FREE_SPACE || + p_info[i+1].id == UNUSABLE)) { + /* Merge with next partition */ + p_info[i+1].first_sector = p_info[i].first_sector; + remove_part(i); + } + + if (i > 0) + p_info[i].first_sector = p_info[i-1].last_sector + 1; + else + p_info[i].first_sector = 0; + + if (i < num_parts - 1) + p_info[i].last_sector = p_info[i+1].first_sector - 1; + else + p_info[i].last_sector = sectors*heads*cylinders - 1; + + p_info[i].offset = 0; + p_info[i].flags = 0; + p_info[i].id = FREE_SPACE; + p_info[i].num = PRI_OR_LOG; + + if (IS_LOGICAL(num)) { + /* We have a logical partition --> shrink the extended partition + * if (1) this is the first logical drive, or (2) this is the + * last logical drive; and if there are any other logical drives + * then renumber the ones after "num". + */ + if (i == 0 || (i > 0 && IS_PRIMARY(p_info[i-1].num))) + ext_info.first_sector = p_info[i].last_sector + 1; + if (i == num_parts-1 || + (i < num_parts-1 && IS_PRIMARY(p_info[i+1].num))) + ext_info.last_sector = p_info[i].first_sector - 1; + for (i = 0; i < num_parts; i++) + if (p_info[i].num > num) + p_info[i].num--; + } + + /* Clean up the rest of the partitions */ + check_part_info(); +} + +int add_part(int num, int id, int flags, int first, int last, int offset) +{ + int i, pri = 0, log = 0; + + if (num_parts == MAXIMUM_PARTS || + first < 0 || + first >= cylinders*heads*sectors || + last < 0 || + last >= cylinders*heads*sectors) + return -1; + + for (i = 0; i < num_parts; i++) + if (p_info[i].id > 0 && IS_PRIMARY(p_info[i].num)) + pri++; + else if (p_info[i].id > 0 && IS_LOGICAL(p_info[i].num)) + log++; + if (ext_info.id == EXTENDED && log > 0) + pri++; + + if (IS_PRIMARY(num)) + if (pri >= 4) + return -1; + else + pri++; + + for (i = 0; p_info[i].last_sector < first; i++); + + if (p_info[i].id != FREE_SPACE || last > p_info[i].last_sector) + return -1; + + if (id == EXTENDED) + if (ext_info.id != FREE_SPACE) + return -1; + else if (IS_PRIMARY(num)) { + ext_info.first_sector = first; + ext_info.last_sector = last; + ext_info.offset = offset; + ext_info.flags = flags; + ext_info.id = EXTENDED; + ext_info.num = num; + + return 0; + } else + return -1; + + if (IS_LOGICAL(num)) { + if (ext_info.id != EXTENDED) { + print_warning("!!!! Internal error creating logical " + "drive with no extended partition !!!!"); + } else { + /* We might have a logical partition outside of the extended + * partition's range --> we have to extend the extended + * partition's range to encompass this new partition, but we + * must make sure that there are no primary partitions between + * it and the closest logical drive in extended partition. + */ + if (first < ext_info.first_sector) { + if (i < num_parts-1 && IS_PRIMARY(p_info[i+1].num)) { + print_warning(TWO_EXTENDEDS); + return -1; + } else { + if (first == 0) { + ext_info.first_sector = 0; + ext_info.offset = first = offset; + } else + ext_info.first_sector = first; + } + } else if (last > ext_info.last_sector) { + if (i > 0 && IS_PRIMARY(p_info[i-1].num)) { + print_warning(TWO_EXTENDEDS); + return -1; + } else + ext_info.last_sector = last; + } + } + } + + if (first != p_info[i].first_sector && + !(IS_LOGICAL(num) && first == offset)) { + insert_part(i, PRI_OR_LOG, FREE_SPACE, 0, + p_info[i].first_sector, first-1, 0); + i++; + } + + if (last != p_info[i].last_sector) + insert_part(i+1, PRI_OR_LOG, FREE_SPACE, 0, + last+1, p_info[i].last_sector, 0); + + p_info[i].first_sector = first; + p_info[i].last_sector = last; + p_info[i].offset = offset; + p_info[i].flags = flags; + p_info[i].id = id; + p_info[i].num = num; + + check_part_info(); + + return 0; +} + +int find_primary(void) +{ + int num = 0, cur = 0; + + while (cur < num_parts && IS_PRIMARY(num)) + if ((p_info[cur].id > 0 && p_info[cur].num == num) || + (ext_info.id == EXTENDED && ext_info.num == num)) { + num++; + cur = 0; + } else + cur++; + + if (!IS_PRIMARY(num)) + return -1; + else + return num; +} + +int find_logical(int i) +{ + int num = -1; + int j; + + for (j = i; j < num_parts && num == -1; j++) + if (p_info[j].id > 0 && IS_LOGICAL(p_info[j].num)) + num = p_info[j].num; + + if (num == -1) { + num = 4; + for (j = 0; j < num_parts; j++) + if (p_info[j].id > 0 && p_info[j].num == num) + num++; + } + + return num; +} + +void inc_logical(int i) +{ + int j; + + for (j = i; j < num_parts; j++) + if (p_info[j].id > 0 && IS_LOGICAL(p_info[j].num)) + p_info[j].num++; +} + +void new_part(int i) +{ + char response[LINE_LENGTH], def[LINE_LENGTH]; + char c; + int first = p_info[i].first_sector; + int last = p_info[i].last_sector; + int offset = 0; + int flags = 0; + int id = LINUX; + int num = -1; + int num_sects = last - first + 1; + int len, ext, j; + + if (p_info[i].num == PRI_OR_LOG) { + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, "Primary or logical [pl]: "); + clrtoeol(); + refresh(); + while (toupper(c = getch()) != 'P' && toupper(c) != 'L' && c != ESC); + if (toupper(c) == 'P') + num = find_primary(); + else if (toupper(c) == 'L') + num = find_logical(i); + else + return; + } else if (p_info[i].num == PRIMARY) + num = find_primary(); + else if (p_info[i].num == LOGICAL) + num = find_logical(i); + else + print_warning("!!! Internal error !!!"); + + sprintf(def, "%.2f", ceiling(num_sects/20.48)/100); + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, "Size (in MB): "); + if ((len = get_string(response, LINE_LENGTH, def)) <= 0 && + len != GS_DEFAULT) + return; + else if (len > 0) { +#define num_cyls(bytes) (round_int(bytes/SECTOR_SIZE/(sectors*heads))) + for (j = 0; + j < len-1 && (isdigit(response[j]) || response[j] == '.'); + j++); + if (toupper(response[j]) == 'K') { + num_sects = num_cyls(atof(response)*1024)*sectors*heads; + } else if (toupper(response[j]) == 'M') { + num_sects = num_cyls(atof(response)*1024*1024)*sectors*heads; + } else if (toupper(response[j]) == 'C') { + num_sects = round_int(atof(response))*sectors*heads; + } else if (toupper(response[j]) == 'S') { + num_sects = round_int(atof(response)); + } else { + num_sects = num_cyls(atof(response)*1024*1024)*sectors*heads; + } + } + + if (num_sects <= 0 || + num_sects > p_info[i].last_sector - p_info[i].first_sector + 1) + return; + + if (num_sects < p_info[i].last_sector - p_info[i].first_sector + 1) { + /* Determine where inside free space to put partition. + */ + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Add partition at beginning or end of free space [be]: "); + clrtoeol(); + refresh(); + while (toupper(c = getch()) != 'B' && toupper(c) != 'E' && c != ESC); + if (toupper(c) == 'B') + last = first + num_sects - 1; + else if (toupper(c) == 'E') + first = last - num_sects + 1; + else + return; + } + + if (IS_LOGICAL(num) && ext_info.id != EXTENDED) { + /* We want to add a logical partition, but need to create an + * extended partition first. + */ + if ((ext = find_primary()) < 0) { + print_warning(NEED_EXT); + return; + } + (void)add_part(ext, EXTENDED, 0, first, last, + (first == 0 ? sectors : 0)); + } + + if (IS_LOGICAL(num)) + inc_logical(i); + + /* Now we have a complete partition to ourselves */ + if (first == 0 || IS_LOGICAL(num)) + offset = sectors; + + (void)add_part(num, id, flags, first, last, offset); +} + +void clear_p_info(void) +{ + num_parts = 1; + p_info[0].first_sector = 0; + p_info[0].last_sector = sectors*heads*cylinders - 1; + p_info[0].offset = 0; + p_info[0].flags = 0; + p_info[0].id = FREE_SPACE; + p_info[0].num = PRI_OR_LOG; + + ext_info.first_sector = 0; + ext_info.last_sector = 0; + ext_info.offset = 0; + ext_info.flags = 0; + ext_info.id = FREE_SPACE; + ext_info.num = PRIMARY; +} + +void fill_p_info(void) +{ + int p, i; + struct hd_geometry geometry; + partition_table buffer; + partition_info tmp_ext = { 0, 0, 0, 0, FREE_SPACE, PRIMARY }; + + if ((fd = open(disk_device, O_RDWR)) < 0) + fatal(BAD_OPEN); + read_sector(buffer.c.b, 0); + + if (!ioctl(fd, HDIO_GETGEO, &geometry)) { + if (!heads) + heads = geometry.heads; + if (!sectors) + sectors = geometry.sectors; + if (!cylinders) + cylinders = geometry.cylinders; + } + + if (!heads || !sectors || !cylinders) + fatal(BAD_GEOMETRY); + + clear_p_info(); + + if (!zero_table) { + for (i = 0; i < 4; i++) { + if (buffer.p.part[i].sys_ind > 0 && + add_part(i, + buffer.p.part[i].sys_ind, + buffer.p.part[i].boot_ind, + ((buffer.p.part[i].start_sect <= sectors) ? + 0 : buffer.p.part[i].start_sect), + buffer.p.part[i].start_sect + + buffer.p.part[i].nr_sects - 1, + ((buffer.p.part[i].start_sect <= sectors) ? + buffer.p.part[i].start_sect : 0))) { + fatal(BAD_PRIMARY); + } + if (buffer.p.part[i].sys_ind == EXTENDED) + tmp_ext = ext_info; + } + + if (tmp_ext.id == EXTENDED) { + ext_info = tmp_ext; + logical_sectors[logical] = ext_info.first_sector; + read_sector(buffer.c.b, logical_sectors[logical++]); + i = 4; + do { + for (p = 0; + p < 4 && (!buffer.p.part[p].sys_ind || + buffer.p.part[p].sys_ind == 5); + p++); + if (p > 3) + fatal(BAD_LOGICAL); + + if (add_part(i++, + buffer.p.part[p].sys_ind, + buffer.p.part[p].boot_ind, + logical_sectors[logical-1], + logical_sectors[logical-1] + + buffer.p.part[p].start_sect + + buffer.p.part[p].nr_sects - 1, + buffer.p.part[p].start_sect)) { + fatal(BAD_LOGICAL); + } + + for (p = 0; + p < 4 && buffer.p.part[p].sys_ind != 5; + p++); + if (p < 4) { + logical_sectors[logical] = + ext_info.first_sector + buffer.p.part[p].start_sect; + read_sector(buffer.c.b, logical_sectors[logical++]); + } + } while (p < 4 && logical < MAXIMUM_PARTS-4); + } + } +} + +void fill_part_table(struct partition *p, partition_info *pi) +{ + int sects; + + p->boot_ind = pi->flags; + p->sys_ind = pi->id; + if (IS_LOGICAL(pi->num)) + p->start_sect = pi->offset; + else + p->start_sect = pi->first_sector + pi->offset; + p->nr_sects = pi->last_sector - (pi->first_sector+pi->offset) + 1; + sects = (((pi->first_sector+pi->offset)/(sectors*heads) > 1023) ? + heads*sectors*1024 - 1 : pi->first_sector+pi->offset); + set_hsc(p->head, p->sector, p->cyl, sects); + sects = ((pi->last_sector/(sectors*heads) > 1023) ? + heads*sectors*1024 - 1 : pi->last_sector); + set_hsc(p->end_head, p->end_sector, p->end_cyl, sects); +} + +void fill_primary_table(partition_table *buffer) +{ + int i; + + /* Zero out existing table */ + for (i = 0x1BE; i < SECTOR_SIZE; i++) + buffer->c.b[i] = 0; + + for (i = 0; i < num_parts; i++) + if (IS_PRIMARY(p_info[i].num)) + fill_part_table(&(buffer->p.part[p_info[i].num]), &(p_info[i])); + + if (ext_info.id == EXTENDED) + fill_part_table(&(buffer->p.part[ext_info.num]), &ext_info); + + buffer->p.flag = PART_TABLE_FLAG; +} + +void fill_logical_table(partition_table *buffer, partition_info *pi) +{ + struct partition *p; + int i, sects; + + for (i = 0; i < logical && pi->first_sector != logical_sectors[i]; i++); + if (i == logical || buffer->p.flag != (unsigned short)PART_TABLE_FLAG) + for (i = 0; i < SECTOR_SIZE; i++) + buffer->c.b[i] = 0; + + /* Zero out existing table */ + for (i = 0x1BE; i < SECTOR_SIZE; i++) + buffer->c.b[i] = 0; + + fill_part_table(&(buffer->p.part[0]), pi); + + for (i = 0; + i < num_parts && pi->num != p_info[i].num - 1; + i++); + + if (i < num_parts) { + p = &(buffer->p.part[1]); + pi = &(p_info[i]); + + p->boot_ind = 0; + p->sys_ind = 5; + p->start_sect = pi->first_sector - ext_info.first_sector; + p->nr_sects = pi->last_sector - pi->first_sector + 1; + sects = ((pi->first_sector/(sectors*heads) > 1023) ? + heads*sectors*1024 - 1 : pi->first_sector); + set_hsc(p->head, p->sector, p->cyl, sects); + sects = ((pi->last_sector/(sectors*heads) > 1023) ? + heads*sectors*1024 - 1 : pi->last_sector); + set_hsc(p->end_head, p->end_sector, p->end_cyl, sects); + } + + buffer->p.flag = PART_TABLE_FLAG; +} + +void write_part_table(void) +{ + int i, done = FALSE, len; + partition_table buffer; + char response[LINE_LENGTH]; + + print_warning(WRITE_WARN); + + while (!done) { + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Are you sure you want write the partition table to disk? (yes or no): "); + + len = get_string(response, LINE_LENGTH, NULL); + + clear_warning(); + + if (len == GS_ESCAPE) + return; + else if (len == 2 && + toupper(response[0]) == 'N' && + toupper(response[1]) == 'O') { + print_warning(NO_WRITE); + return; + } else if (len == 3 && + toupper(response[0]) == 'Y' && + toupper(response[1]) == 'E' && + toupper(response[2]) == 'S') + done = TRUE; + else + print_warning(YES_NO); + } + + clear_warning(); + print_warning(WRITING_PART); + refresh(); + + read_sector(buffer.c.b, 0); + fill_primary_table(&buffer); + write_sector(buffer.c.b, 0); + + for (i = 0; i < num_parts; i++) + if (IS_LOGICAL(p_info[i].num)) { + /* Read the extended partition table from disk ??? KEM */ + read_sector(buffer.c.b, p_info[i].first_sector); + fill_logical_table(&buffer, &(p_info[i])); + write_sector(buffer.c.b, p_info[i].first_sector); + } + + sync(); + sleep(2); + if (!ioctl(fd,BLKRRPART)) + changed = TRUE; + sync(); + sleep(4); + + clear_warning(); + if (changed) + print_warning(YES_WRITE); + else + print_warning(RRPART_FAILED); +} + +void fp_printf(FILE *fp, char *format, ...) +{ + va_list args; + char buf[1024]; + int y, x; + + va_start(args, format); + vsprintf(buf, format, args); + va_end(args); + + if (fp == NULL) { + /* The following works best if the string to be printed has at + most only one newline. */ + printw("%s", buf); + getyx(stdscr, y, x); + if (y >= COMMAND_LINE_Y-2) { + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Press any key to continue..."); + clrtoeol(); + refresh(); + (void)getch(); + erase(); + move(0, 0); + } + } else + fprintf(fp, "%s", buf); +} + +#define MAX_PER_LINE 16 +void print_file_buffer(FILE *fp, char *buffer) +{ + int i,l; + + for (i = 0, l = 0; i < SECTOR_SIZE; i++, l++) { + if (l == 0) + fp_printf(fp, "0x%03X:", i); + fp_printf(fp, " %02X", (unsigned char) buffer[i]); + if (l == MAX_PER_LINE - 1) { + fp_printf(fp, "\n"); + l = -1; + } + } + if (l > 0) + fp_printf(fp, "\n"); + fp_printf(fp, "\n"); +} + +void print_raw_table(void) +{ + int i, to_file; + partition_table buffer; + char fname[LINE_LENGTH]; + FILE *fp; + + if (print_only) { + fp = stdout; + to_file = TRUE; + } else { + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Enter filename or press RETURN to display on screen: "); + + if ((to_file = get_string(fname, LINE_LENGTH, NULL)) < 0) + return; + + if (to_file) { + if ((fp = fopen(fname, "w")) == NULL) { + char errstr[LINE_LENGTH]; + sprintf(errstr, PRINT_OPEN_ERR, fname); + print_warning(errstr); + return; + } + } else { + fp = NULL; + erase(); + move(0, 0); + } + } + + fp_printf(fp, "Disk Drive: %s\n", disk_device); + + read_sector(buffer.c.b, 0); + fill_primary_table(&buffer); + print_file_buffer(fp, buffer.c.b); + + for (i = 0; i < num_parts; i++) + if (IS_LOGICAL(p_info[i].num)) { + read_sector(buffer.c.b, p_info[i].first_sector); + fill_logical_table(&buffer, &(p_info[i])); + print_file_buffer(fp, buffer.c.b); + } + + if (to_file) { + if (!print_only) + fclose(fp); + } else { + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Press any key to continue..."); + clrtoeol(); + refresh(); + (void)getch(); + } +} + +void print_p_info_entry(FILE *fp, partition_info *p) +{ + int size; + char part_str[21]; + + if (p->id == UNUSABLE) + fp_printf(fp, " None "); + else if (p->id == FREE_SPACE && p->num == PRI_OR_LOG) + fp_printf(fp, " Pri/Log"); + else if (p->id == FREE_SPACE && p->num == PRIMARY) + fp_printf(fp, " Primary"); + else if (p->id == FREE_SPACE && p->num == LOGICAL) + fp_printf(fp, " Logical"); + else + fp_printf(fp, "%2d %-7.7s", p->num+1, + IS_LOGICAL(p->num) ? "Logical" : "Primary"); + + fp_printf(fp, " "); + + fp_printf(fp, "%7d%c", p->first_sector, + ((p->first_sector/(sectors*heads)) != + ((float)p->first_sector/(sectors*heads)) ? + '*' : ' ')); + + fp_printf(fp, " "); + + fp_printf(fp, "%7d%c", p->last_sector, + (((p->last_sector+1)/(sectors*heads)) != + ((float)(p->last_sector+1)/(sectors*heads)) ? + '*' : ' ')); + + fp_printf(fp, " "); + + fp_printf(fp, "%6d%c", p->offset, + ((((p->first_sector == 0 || IS_LOGICAL(p->num)) && + (p->offset != sectors)) || + (p->first_sector != 0 && IS_PRIMARY(p->num) && + p->offset != 0)) ? + '#' : ' ')); + + fp_printf(fp, " "); + + size = p->last_sector - p->first_sector + 1; + fp_printf(fp, "%7d%c", size, + ((size/(sectors*heads)) != ((float)size/(sectors*heads)) ? + '*' : ' ')); + + fp_printf(fp, " "); + + if (p->id == UNUSABLE) + sprintf(part_str, "%.16s", "Unusable"); + else if (p->id == FREE_SPACE) + sprintf(part_str, "%.16s", "Free Space"); + else if (partition_type[p->id]) + sprintf(part_str, "%.16s (%02X)", partition_type[p->id], p->id); + else + sprintf(part_str, "%.16s (%02X)", "Unknown", p->id); + fp_printf(fp, "%-21.21s", part_str); + + fp_printf(fp, " "); + + if (p->flags == ACTIVE_FLAG) + fp_printf(fp, "Boot (%02X)", p->flags); + else if (p->flags != 0) + fp_printf(fp, "Unknown (%02X)", p->flags); + else + fp_printf(fp, "None (%02X)", p->flags); + + fp_printf(fp, "\n"); +} + +void print_p_info(void) +{ + char fname[LINE_LENGTH]; + FILE *fp; + int i, to_file, pext = (ext_info.id == EXTENDED); + + if (print_only) { + fp = stdout; + to_file = TRUE; + } else { + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Enter filename or press RETURN to display on screen: "); + + if ((to_file = get_string(fname, LINE_LENGTH, NULL)) < 0) + return; + + if (to_file) { + if ((fp = fopen(fname, "w")) == NULL) { + char errstr[LINE_LENGTH]; + sprintf(errstr, PRINT_OPEN_ERR, fname); + print_warning(errstr); + return; + } + } else { + fp = NULL; + erase(); + move(0, 0); + } + } + + fp_printf(fp, "Partition Table for %s\n", disk_device); + fp_printf(fp, "\n"); + fp_printf(fp, " First Last\n"); + fp_printf(fp, " # Type Sector Sector Offset Length Filesystem Type (ID) Flags\n"); + fp_printf(fp, "-- ------- -------- -------- ------- -------- --------------------- ---------\n"); + + for (i = 0; i < num_parts; i++) { + if (pext && (p_info[i].first_sector >= ext_info.first_sector)) { + print_p_info_entry(fp,&ext_info); + pext = FALSE; + } + print_p_info_entry(fp, &(p_info[i])); + } + + if (to_file) { + if (!print_only) + fclose(fp); + } else { + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Press any key to continue..."); + clrtoeol(); + refresh(); + (void)getch(); + } +} + +void print_part_entry(FILE *fp, int num, partition_info *pi) +{ + int first = 0, start = 0, end = 0, size = 0; + int ss = 0, sh = 0, sc = 0; + int es = 0, eh = 0, ec = 0; + int flags = 0, id = 0; + + if (pi != NULL) { + flags = pi->flags; + id = pi->id; + + if (IS_LOGICAL(num)) + first = pi->offset; + else + first = pi->first_sector + pi->offset; + + start = pi->first_sector + pi->offset; + end = pi->last_sector; + size = end - start + 1; + if ((start/(sectors*heads)) > 1023) + start = heads*sectors*1024 - 1; + if ((end/(sectors*heads)) > 1023) + end = heads*sectors*1024 - 1; + + ss = start % sectors + 1; + start /= sectors; + sh = start % heads; + sc = start / heads; + + es = end % sectors + 1; + end /= sectors; + eh = end % heads; + ec = end / heads; + } + + fp_printf(fp, "%2d 0x%02X %4d %4d %4d 0x%02X %4d %4d %4d %7d %7d\n", + num+1, flags, sh, ss, sc, id, eh, es, ec, first, size); +} + + +void print_part_table(void) +{ + int i, j, to_file; + char fname[LINE_LENGTH]; + FILE *fp; + + if (print_only) { + fp = stdout; + to_file = TRUE; + } else { + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Enter filename or press RETURN to display on screen: "); + + if ((to_file = get_string(fname, LINE_LENGTH, NULL)) < 0) + return; + + if (to_file) { + if ((fp = fopen(fname, "w")) == NULL) { + char errstr[LINE_LENGTH]; + sprintf(errstr, PRINT_OPEN_ERR, fname); + print_warning(errstr); + return; + } + } else { + fp = NULL; + erase(); + move(0, 0); + } + } + + fp_printf(fp, "Partition Table for %s\n", disk_device); + fp_printf(fp, "\n"); + fp_printf(fp, " ---Starting--- ----Ending---- Start Number\n"); + fp_printf(fp, " # Flags Head Sect Cyl ID Head Sect Cyl Sector Sectors\n"); + fp_printf(fp, "-- ----- ---- ---- ---- ---- ---- ---- ---- ------- -------\n"); + + for (i = 0; i < 4; i++) { + for (j = 0; + j < num_parts && (p_info[j].id <= 0 || p_info[j].num != i); + j++); + if (j < num_parts) { + print_part_entry(fp, i, &(p_info[j])); + } else if (ext_info.id == EXTENDED && ext_info.num == i) { + print_part_entry(fp, i, &ext_info); + } else { + print_part_entry(fp, i, NULL); + } + } + + for (i = 0; i < num_parts; i++) + if (IS_LOGICAL(p_info[i].num)) + print_part_entry(fp, p_info[i].num, &(p_info[i])); + + if (to_file) { + if (!print_only) + fclose(fp); + } else { + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Press any key to continue..."); + clrtoeol(); + refresh(); + (void)getch(); + } +} + +void print_tables(void) +{ + int done = FALSE; + + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, "Print format [rst]: "); + clrtoeol(); + refresh(); + + while (!done) + switch (toupper(getch())) { + case 'R': + print_raw_table(); + done = TRUE; + break; + case 'S': + print_p_info(); + done = TRUE; + break; + case 'T': + print_part_table(); + done = TRUE; + break; + case ESC: + done = TRUE; + break; + } +} + +#define END_OF_HELP "EOHS!" +#define NEW_HELP_SCREEN "SNHS!" +void display_help() +{ + char *help_text[] = { + "Help Screen for cfdisk " VERSION, + "", + "This is cfdisk, a curses based disk partitioning programs, which", + "allows you to create, delete and modify partitions on your hard", + "disk drive.", + "", + "Copyright (C) 1994 Kevin E. Martin", + "", + "Command Meaning", + "------- -------", + " b Toggle bootable flag of the current partition", + " d Delete the current partition", + " g Change cylinders, heads, sectors-per-track parameters", + " WARNING: This option should only be used by people who", + " know what they are doing.", + " h Print this screen", + " m Maximize disk usage of the current partition", + " Note: This may make the partition incompatible with", + " DOS, OS/2, ...", + " n Create new partition from free space", + " p Print partition table to the screen or to a file", + " There are several different formats for the partition", + " that you can choose from:", + " r - Raw data (exactly what would be written to disk)", + " s - Table ordered by sectors", + " t - Table in raw format", + " q Quit program without writing partition table", + " t Change the filesystem type", + " u Change units of the partition size display", + " Rotates through Mb, sectors and cylinders", + " W Write partition table to disk (must enter upper case W)", + " Since this might destroy data on the disk, you must", + " either confirm or deny the write by entering `yes' or", + " `no'", + "Up Arrow Move cursor to the previous partition", + "Down Arrow Move cursor to the next partition", + "CTRL-L Redraws the screen", + " ? Print this screen", + "", + "Note: All of the commands can be entered with either upper or lower", + "case letters (except for Writes).", + END_OF_HELP + }; + + int cur_line = 0; + FILE *fp = NULL; + + erase(); + move(0, 0); + while (strcmp(help_text[cur_line], END_OF_HELP)) + if (!strcmp(help_text[cur_line], NEW_HELP_SCREEN)) { + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Press any key to continue..."); + clrtoeol(); + refresh(); + (void)getch(); + erase(); + move(0, 0); + cur_line++; + } else + fp_printf(fp, "%s\n", help_text[cur_line++]); + + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Press any key to continue..."); + clrtoeol(); + refresh(); + (void)getch(); +} + +int change_geometry(void) +{ + int ret_val = FALSE; + int done = FALSE; + char def[LINE_LENGTH]; + char response[LINE_LENGTH]; + int tmp_val; + + while (!done) { + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Change disk geometry information [chs]: "); + clrtoeol(); + refresh(); + + clear_warning(); + + switch (toupper(getch())) { + case 'C': + sprintf(def, "%d", cylinders); + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Enter the number of cylinders: "); + if (get_string(response, LINE_LENGTH, def) > 0) { + tmp_val = atoi(response); + if (tmp_val > 0 && tmp_val <= MAX_CYLINDERS) { + cylinders = tmp_val; + ret_val = TRUE; + } else + print_warning(BAD_CYLINDERS); + } + break; + case 'H': + sprintf(def, "%d", heads); + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Enter the number of heads: "); + if (get_string(response, LINE_LENGTH, def) > 0) { + tmp_val = atoi(response); + if (tmp_val > 0 && tmp_val <= MAX_HEADS) { + heads = tmp_val; + ret_val = TRUE; + } else + print_warning(BAD_HEADS); + } + break; + case 'S': + sprintf(def, "%d", sectors); + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, + "Enter the number of sectors per track: "); + if (get_string(response, LINE_LENGTH, def) > 0) { + tmp_val = atoi(response); + if (tmp_val > 0 && tmp_val <= MAX_SECTORS) { + sectors = tmp_val; + ret_val = TRUE; + } else + print_warning(BAD_SECTORS); + } + break; + case ESC: + case CR: + done = TRUE; + break; + default: + putchar(BELL); + break; + } + } + + if (ret_val) { + if (p_info[num_parts-1].last_sector > heads*sectors*cylinders-1) { + while (p_info[num_parts-1].first_sector > heads*sectors*cylinders-1) { + if (p_info[num_parts-1].id == FREE_SPACE || + p_info[num_parts-1].id == UNUSABLE) + remove_part(num_parts-1); + else + del_part(num_parts-1); + } + + p_info[num_parts-1].last_sector = heads*sectors*cylinders - 1; + + if (ext_info.last_sector > heads*sectors*cylinders-1) + ext_info.last_sector = heads*sectors*cylinders - 1; + } else if (p_info[num_parts-1].last_sector < heads*sectors*cylinders-1) { + if (p_info[num_parts-1].id == FREE_SPACE || + p_info[num_parts-1].id == UNUSABLE) { + p_info[num_parts-1].last_sector = heads*sectors*cylinders - 1; + } else { + insert_part(num_parts, PRI_OR_LOG, FREE_SPACE, 0, + p_info[num_parts-1].last_sector+1, + heads*sectors*cylinders-1, 0); + } + } + + /* Make sure the partitions are correct */ + check_part_info(); + } + + return ret_val; +} + +void change_id(int i) +{ + char id[LINE_LENGTH], def[LINE_LENGTH]; + int num_types = 0; + int num_across, num_down; + int len, new_id = LINUX; + int y_start, y_end; + int j, pos; + + for (num_types = 0, j = 1; j < NUM_PART_TYPES; j++) + if (partition_type[j]) + num_types++; + + num_across = COLS/COL_ID_WIDTH; + num_down = (((float)num_types)/num_across + 1); + y_start = COMMAND_LINE_Y - 1 - num_down; + if (y_start > DISK_TABLE_START+cur_part+4) + y_start = DISK_TABLE_START+cur_part+4; + y_end = y_start + num_down - 1; + + for (j = y_start - 1; j <= y_end + 1; j++) { + move(j, 0); + clrtoeol(); + } + + for (pos = 0, j = 1; j < NUM_PART_TYPES; j++) + if (partition_type[j]) { + move(y_start + pos % num_down, (pos/num_down)*COL_ID_WIDTH + 1); + printw("%02X %-16.16s", j, partition_type[j]); + pos++; + } + + sprintf(def, "%02X", new_id); + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, "Enter filesystem type: "); + if ((len = get_string(id, 2, def)) <= 0 && len != GS_DEFAULT) + return; + + if (len != GS_DEFAULT) { + if (!isxdigit(id[0])) + return; + new_id = (isdigit(id[0]) ? id[0] - '0' : tolower(id[0]) - 'a' + 10); + if (len == 2) + if (isxdigit(id[1])) + new_id = new_id*16 + + (isdigit(id[1]) ? id[1] - '0' : tolower(id[1]) - 'a' + 10); + else + return; + } + + if (new_id == 0) + print_warning(ID_EMPTY); + else if (new_id == EXTENDED) + print_warning(ID_EXT); + else + p_info[i].id = new_id; +} + +void draw_partition(int i) +{ + int size, j; + int y = i + DISK_TABLE_START + 2 - (cur_part/NUM_ON_SCREEN)*NUM_ON_SCREEN; + + if (!arrow_cursor) { + move(y, 0); + for (j = 0; j < COLS; j++) + addch(' '); + } + + if (p_info[i].id > 0) { + mvprintw(y, NAME_START, + "%s%d", disk_device, p_info[i].num+1); + if (p_info[i].flags) { + if (p_info[i].flags == ACTIVE_FLAG) + mvaddstr(y, FLAGS_START, "Boot"); + else + mvprintw(y, FLAGS_START, "Unk(%02X)", p_info[i].flags); + if (p_info[i].first_sector == 0 || IS_LOGICAL(p_info[i].num)) { + if (p_info[i].offset != sectors) + addstr(", NC"); + } else { + if (p_info[i].offset != 0) + addstr(", NC"); + } + } else { + if (p_info[i].first_sector == 0 || IS_LOGICAL(p_info[i].num)) { + if (p_info[i].offset != sectors) + mvaddstr(y, FLAGS_START, "NC"); + } else { + if (p_info[i].offset != 0) + mvaddstr(y, FLAGS_START, "NC"); + } + } + } + mvaddstr(y, PTYPE_START, + (p_info[i].id == UNUSABLE ? "" : + (IS_LOGICAL(p_info[i].num) ? "Logical" : + (p_info[i].num >= 0 ? "Primary" : + (p_info[i].num == PRI_OR_LOG ? "Pri/Log" : + (p_info[i].num == PRIMARY ? "Primary" : "Logical")))))); + if (p_info[i].id == UNUSABLE) + mvaddstr(y, FSTYPE_START, "Unusable"); + else if (p_info[i].id == FREE_SPACE) + mvaddstr(y, FSTYPE_START, "Free Space"); + else if (partition_type[p_info[i].id]) + mvaddstr(y, FSTYPE_START, partition_type[p_info[i].id]); + else + mvprintw(y, FSTYPE_START, "Unknown (%02X)", p_info[i].id); + + size = p_info[i].last_sector - p_info[i].first_sector + 1; + if (display_units == SECTORS) + mvprintw(y, SIZE_START, "%9d", size); + else if (display_units == CYLINDERS) + mvprintw(y, SIZE_START, "%9d", size/(sectors*heads)); + else + mvprintw(y, SIZE_START, "%9.2f", ceiling(size/20.48)/100); + if (((size/(sectors*heads)) != ceiling(size/(sectors*(float)heads))) || + ((p_info[i].first_sector/(sectors*heads)) != + ceiling(p_info[i].first_sector/(sectors*heads)))) + mvprintw(y, COLUMNS-1, "*"); +} + +void init_const(void) +{ + if (!defined) { + NAME_START = (((float)NAME_START)/COLUMNS)*COLS; + FLAGS_START = (((float)FLAGS_START)/COLUMNS)*COLS; + PTYPE_START = (((float)PTYPE_START)/COLUMNS)*COLS; + FSTYPE_START = (((float)FSTYPE_START)/COLUMNS)*COLS; + SIZE_START = (((float)SIZE_START)/COLUMNS)*COLS; + COMMAND_LINE_X = (((float)COMMAND_LINE_X)/COLUMNS)*COLS; + + COMMAND_LINE_Y = LINES - 4; + WARNING_START = LINES - 2; + + if ((NUM_ON_SCREEN = COMMAND_LINE_Y - DISK_TABLE_START - 3) <= 0) + NUM_ON_SCREEN = 1; + + COLUMNS = COLS; + defined = TRUE; + } +} + +void draw_screen(void) +{ + int i; + char *line; + + line = (char *)malloc((COLS+1)*sizeof(char)); + + if (warning_last_time) { + for (i = 0; i < COLS; i++) { + move(WARNING_START, i); + line[i] = inch(); + } + line[COLS] = 0; + } + + erase(); + + if (warning_last_time) + mvaddstr(WARNING_START, 0, line); + + + sprintf(line, "cfdisk %s", VERSION); + mvaddstr(HEADER_START, (COLS-strlen(line))/2, line); + sprintf(line, "Disk Drive: %s", disk_device); + mvaddstr(HEADER_START+2, (COLS-strlen(line))/2, line); + sprintf(line, "Heads: %d Sectors per Track: %d Cylinders: %d", + heads, sectors, cylinders); + mvaddstr(HEADER_START+3, (COLS-strlen(line))/2, line); + + mvaddstr(DISK_TABLE_START, NAME_START, "Name"); + mvaddstr(DISK_TABLE_START, FLAGS_START, "Flags"); + mvaddstr(DISK_TABLE_START, PTYPE_START, "Part Type"); + mvaddstr(DISK_TABLE_START, FSTYPE_START, "FS Type"); + if (display_units == SECTORS) + mvaddstr(DISK_TABLE_START, SIZE_START, " Sectors"); + else if (display_units == CYLINDERS) + mvaddstr(DISK_TABLE_START, SIZE_START, "Cylinders"); + else + mvaddstr(DISK_TABLE_START, SIZE_START, "Size (MB)"); + + move(DISK_TABLE_START+1, 1); + for (i = 1; i < COLS-1; i++) + addch('-'); + + if (NUM_ON_SCREEN >= num_parts) + for (i = 0; i < num_parts; i++) + draw_partition(i); + else + for (i = (cur_part/NUM_ON_SCREEN)*NUM_ON_SCREEN; + i < NUM_ON_SCREEN + (cur_part/NUM_ON_SCREEN)*NUM_ON_SCREEN && + i < num_parts; + i++) + draw_partition(i); + + free(line); +} + +int draw_cursor(int move) +{ + if (move != 0 && (cur_part + move < 0 || cur_part + move >= num_parts)) + return -1; + + if (arrow_cursor) + mvaddstr(DISK_TABLE_START + cur_part + 2 + - (cur_part/NUM_ON_SCREEN)*NUM_ON_SCREEN, 0, " "); + else + draw_partition(cur_part); + + cur_part += move; + + if (((cur_part - move)/NUM_ON_SCREEN)*NUM_ON_SCREEN != + (cur_part/NUM_ON_SCREEN)*NUM_ON_SCREEN) + draw_screen(); + + if (arrow_cursor) + mvaddstr(DISK_TABLE_START + cur_part + 2 + - (cur_part/NUM_ON_SCREEN)*NUM_ON_SCREEN, 0, "-->"); + else { + standout(); + draw_partition(cur_part); + standend(); + } + + return 0; +} + +void die(int dummy) +{ + signal(SIGINT, old_SIGINT); + signal(SIGTERM, old_SIGTERM); + mvcur(0, COLS-1, LINES-1, 0); + nl(); + endwin(); + fdexit(0); +} + +void do_curses_fdisk(void) +{ + int done = FALSE; + char command; + + initscr(); + old_SIGINT = signal(SIGINT, die); + old_SIGTERM = signal(SIGTERM, die); +#ifdef DEBUG + signal(SIGINT, old_SIGINT); + signal(SIGTERM, old_SIGTERM); +#endif + + cbreak(); + noecho(); + nonl(); + + init_const(); + + fill_p_info(); + + draw_screen(); + + while (!done) { + (void)draw_cursor(0); + + if (p_info[cur_part].id == FREE_SPACE) + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, "Command [hnpquW?]: "); + else if (p_info[cur_part].id > 0) + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, "Command [bdhmpqtuW?]: "); + else + mvaddstr(COMMAND_LINE_Y, COMMAND_LINE_X, "Command [hpquW?]: "); + + clrtoeol(); + refresh(); + + clear_warning(); + + switch (command = getch()) { + case 'B': + case 'b': + if (p_info[cur_part].id > 0) + p_info[cur_part].flags ^= 0x80; + else + print_warning(NO_FLAGS); + break; + case 'D': + case 'd': + if (p_info[cur_part].id > 0) { + del_part(cur_part); + if (cur_part >= num_parts) + cur_part = num_parts - 1; + draw_screen(); + } else + print_warning(DEL_EMPTY); + break; + case 'G': + case 'g': + if (change_geometry()) + draw_screen(); + break; + case 'M': + case 'm': + if (p_info[cur_part].id > 0) { + if (p_info[cur_part].first_sector == 0 || + IS_LOGICAL(p_info[cur_part].num)) { + if (p_info[cur_part].offset == sectors) + p_info[cur_part].offset = 1; + else + p_info[cur_part].offset = sectors; + draw_screen(); + } else if (p_info[cur_part].offset != 0) + p_info[cur_part].offset = 0; + else + print_warning(MAX_UNMAXABLE); + } else + print_warning(MAX_UNMAXABLE); + break; + case 'N': + case 'n': + if (p_info[cur_part].id == FREE_SPACE) { + new_part(cur_part); + draw_screen(); + } else if (p_info[cur_part].id == UNUSABLE) + print_warning(ADD_UNUSABLE); + else + print_warning(ADD_EXISTS); + break; + case 'P': + case 'p': + print_tables(); + draw_screen(); + break; + case 'Q': + case 'q': + done = TRUE; + break; + case 'T': + case 't': + if (p_info[cur_part].id > 0) { + change_id(cur_part); + draw_screen(); + } else + print_warning(TYPE_EMPTY); + break; + case 'U': + case 'u': + if (display_units == MEGABYTES) + display_units = SECTORS; + else if (display_units == SECTORS) + display_units = CYLINDERS; + else if (display_units == CYLINDERS) + display_units = MEGABYTES; + draw_screen(); + break; + case 'W': + write_part_table(); + break; + case 'H': + case 'h': + case '?': + display_help(); + draw_screen(); + break; + case ESC: + if ((command = getch()) == '[') { + command = getch(); + switch (command) { + case 'A' : /* Up arrow */ + if (!draw_cursor(-1)) + command = 0; + else + print_warning(NO_MORE_PARTS); + break; + case 'B' : /* Down arrow */ + if (!draw_cursor(1)) + command = 0; + else + print_warning(NO_MORE_PARTS); + break; + case 'C' : /* Right arrow */ + case 'D' : /* Left arrow */ + } + } + if (command) + putchar(BELL); /* CTRL-G */ + break; + case REDRAWKEY: + clear(); + draw_screen(); + break; + default: + print_warning(BAD_COMMAND); + putchar(BELL); /* CTRL-G */ + } + } + + signal(SIGINT, old_SIGINT); + signal(SIGTERM, old_SIGTERM); + mvcur(0, COLS-1, LINES-1, 0); + nl(); + endwin(); + fdexit(0); +} + +void copyright(void) +{ + fprintf(stderr, "Copyright (C) 1994 Kevin E. Martin\n"); +} + +void usage(char *prog_name) +{ + fprintf(stderr, + "%s: [-avz] [-c # cylinders] [-h # heads] [-s # sectors/track]\n", + prog_name); + fprintf(stderr, + "[ -P opt ] device\n"); + copyright(); +} + +void main(int argc, char **argv) +{ + char c; + int i, len; + + while ((c = getopt(argc, argv, "ac:h:s:vzP:")) != EOF) + switch (c) { + case 'a': + arrow_cursor = TRUE; + break; + case 'c': + cylinders = atoi(optarg); + if (cylinders <= 0 || cylinders > MAX_CYLINDERS) { + fprintf(stderr, "%s: %s\n", argv[0], BAD_CYLINDERS); + exit(1); + } + break; + case 'h': + heads = atoi(optarg); + if (heads <= 0 || heads > MAX_HEADS) { + fprintf(stderr, "%s: %s\n", argv[0], BAD_HEADS); + exit(1); + } + break; + case 's': + sectors = atoi(optarg); + if (sectors <= 0 || sectors > MAX_SECTORS) { + fprintf(stderr, "%s: %s\n", argv[0], BAD_SECTORS); + exit(1); + } + break; + case 'v': + fprintf(stderr, "cfdisk %s\n", VERSION); + copyright(); + exit(0); + case 'z': + zero_table = TRUE; + break; + case 'P': + len = strlen(optarg); + for (i = 0; i < len; i++) { + switch (optarg[i]) { + case 'r': + print_only |= PRINT_RAW_TABLE; + break; + case 's': + print_only |= PRINT_SECTOR_TABLE; + break; + case 't': + print_only |= PRINT_PARTITION_TABLE; + break; + default: + usage(argv[0]); + break; + } + } + break; + default: + usage(argv[0]); + exit(1); + } + + if (argc-optind == 1) + disk_device = argv[optind]; + else if (argc-optind != 0) { + usage(argv[0]); + exit(1); + } else if ((fd = open(DEFAULT_DEVICE, O_RDWR)) < 0) + disk_device = ALTERNATE_DEVICE; + else close(fd); + + if (print_only) { + fill_p_info(); + if (print_only & PRINT_RAW_TABLE) + print_raw_table(); + if (print_only & PRINT_SECTOR_TABLE) + print_p_info(); + if (print_only & PRINT_PARTITION_TABLE) + print_part_table(); + } else + do_curses_fdisk(); +} |