diff options
Diffstat (limited to 'extras/floppy/create_floppy_devices.c')
| -rw-r--r-- | extras/floppy/create_floppy_devices.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/extras/floppy/create_floppy_devices.c b/extras/floppy/create_floppy_devices.c new file mode 100644 index 0000000000..f4003c2ce2 --- /dev/null +++ b/extras/floppy/create_floppy_devices.c @@ -0,0 +1,136 @@ +/* + * create_floppy_devices + * + * Create all possible floppy device based on the CMOS type. + * Based upon code from drivers/block/floppy.c + * + * Copyright(C) 2005, SUSE Linux Products GmbH + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Author: Hannes Reinecke <hare@suse.de> + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <string.h> + +static char *table[] = { + "", "d360", "h1200", "u360", "u720", "h360", "h720", + "u1440", "u2880", "CompaQ", "h1440", "u1680", "h410", + "u820", "h1476", "u1722", "h420", "u830", "h1494", "u1743", + "h880", "u1040", "u1120", "h1600", "u1760", "u1920", + "u3200", "u3520", "u3840", "u1840", "u800", "u1600", + NULL +}; + +static int t360[] = { 1 }; +static int t1200[] = { 2, 5, 6, 10, 12, 14, 16, 18, 20, 23 }; +static int t3in[] = { 8, 9, 26, 27, 28, 7, 11, 15, 19, 24, 25, 29, 31, 3, 4, 13, 17, 21, 22, 30 }; + +static int *table_sup[] = { NULL, t360, t1200, t3in + 5 + 8, t3in + 5, t3in, t3in }; + +int main(int argc, char **argv) +{ + char *dev; + char node[64]; + int type = 0, i, fdnum, c; + int major = 2, minor; + int mode = 0; + int create_nodes = 0; + int print_nodes = 0; + int unlink_nodes = 0; + int is_err = 0; + + while ((c = getopt(argc, argv, "cdm:M:t:u")) != -1) { + switch (c) { + case 'c': + create_nodes = 1; + unlink_nodes = 0; + break; + case 'd': + print_nodes = 1; + break; + case 'M': + mode = strtol(optarg, NULL, 10); + break; + case 'm': + major = strtol(optarg, NULL, 10); + break; + case 't': + type = strtol(optarg, NULL, 10); + break; + case 'u': + unlink_nodes = 1; + create_nodes = 0; + break; + default: + is_err++; + break; + } + } + + if (is_err || optind >= argc) { + fprintf(stderr,"Usage: %s [-d|-c|-u|-m <major>|-t <type>] <device>\n", + argv[0]); + return 1; + } + + dev = argv[optind]; + if (dev[strlen(dev) - 3] != 'f' || dev[strlen(dev) -2 ] != 'd') { + fprintf(stderr,"Device '%s' is not a floppy device\n", dev); + return 1; + } + + fdnum = strtol(dev + 2, NULL, 10); + if (fdnum < 0 || fdnum > 7) { + fprintf(stderr,"Floppy device number %d out of range (0-7)\n", fdnum); + return 1; + } + if (fdnum > 3) + fdnum += 128; + + if (major < 1) { + fprintf(stderr,"Invalid major number %d\n", major); + return 1; + } + + if (type < 0 || type > (int) sizeof(table)) { + fprintf(stderr,"Invalid CMOS type %d\n", type); + return 1; + } + + if (type == 0) + return 0; + + i = 0; + while (table_sup[type][i]) { + sprintf(node,"%s%s",dev,table[table_sup[type][i]]); + minor = (table_sup[type][i] << 2) + fdnum; + if (print_nodes) + printf("%s b %d %d %d\n", node, mode, major, minor); + if (create_nodes) + mknod(node, S_IFBLK | mode, makedev(major,minor)); + i++; + } + + return 0; +} + |