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127 lines
2.8 KiB
C
127 lines
2.8 KiB
C
/*
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* create_floppy_devices
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*
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* Create all possible floppy device based on the CMOS type.
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* Based upon code from drivers/block/floppy.c
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*
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* Copyright(C) 2005, SUSE Linux Products GmbH
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*
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* Author:
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* Hannes Reinecke <hare@suse.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation version 2 of the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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static char *table[] = {
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"", "d360", "h1200", "u360", "u720", "h360", "h720",
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"u1440", "u2880", "CompaQ", "h1440", "u1680", "h410",
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"u820", "h1476", "u1722", "h420", "u830", "h1494", "u1743",
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"h880", "u1040", "u1120", "h1600", "u1760", "u1920",
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"u3200", "u3520", "u3840", "u1840", "u800", "u1600",
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NULL
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};
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static int t360[] = { 1, 0 };
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static int t1200[] = { 2, 5, 6, 10, 12, 14, 16, 18, 20, 23, 0 };
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static int t3in[] = { 8, 9, 26, 27, 28, 7, 11, 15, 19, 24, 25, 29, 31, 3, 4, 13, 17, 21, 22, 30, 0 };
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static int *table_sup[] = { NULL, t360, t1200, t3in + 5 + 8, t3in + 5, t3in, t3in };
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int main(int argc, char **argv)
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{
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char *dev;
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char node[64];
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int type = 0, i, fdnum, c;
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int major = 2, minor;
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int mode = 0;
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int create_nodes = 0;
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int print_nodes = 0;
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int unlink_nodes = 0;
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int is_err = 0;
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while ((c = getopt(argc, argv, "cdm:M:t:u")) != -1) {
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switch (c) {
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case 'c':
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create_nodes = 1;
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unlink_nodes = 0;
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break;
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case 'd':
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print_nodes = 1;
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break;
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case 'M':
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mode = strtol(optarg, NULL, 10);
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break;
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case 'm':
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major = strtol(optarg, NULL, 10);
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break;
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case 't':
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type = strtol(optarg, NULL, 10);
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break;
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case 'u':
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unlink_nodes = 1;
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create_nodes = 0;
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break;
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default:
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is_err++;
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break;
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}
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}
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if (is_err || optind >= argc) {
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fprintf(stderr,"Usage: %s [-d|-c|-u|-m <major>|-t <type>] <device>\n",
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argv[0]);
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return 1;
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}
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dev = argv[optind];
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if (dev[strlen(dev) - 3] != 'f' || dev[strlen(dev) -2 ] != 'd') {
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fprintf(stderr,"Device '%s' is not a floppy device\n", dev);
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return 1;
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}
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fdnum = strtol(dev + 2, NULL, 10);
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if (fdnum < 0 || fdnum > 7) {
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fprintf(stderr,"Floppy device number %d out of range (0-7)\n", fdnum);
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return 1;
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}
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if (fdnum > 3)
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fdnum += 128;
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if (major < 1) {
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fprintf(stderr,"Invalid major number %d\n", major);
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return 1;
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}
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if (type < 0 || type > (int) sizeof(table)) {
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fprintf(stderr,"Invalid CMOS type %d\n", type);
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return 1;
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}
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if (type == 0)
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return 0;
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i = 0;
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while (table_sup[type][i]) {
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sprintf(node, "%s%s",dev, table[table_sup[type][i]]);
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minor = (table_sup[type][i] << 2) + fdnum;
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if (print_nodes)
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printf("%s b %d %d %d\n", node, mode, major, minor);
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if (create_nodes)
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mknod(node, S_IFBLK | mode, makedev(major,minor));
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i++;
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}
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return 0;
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}
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