src/bin/rescan.c

   1 /*
   2  * Copyright 2002, François Revol, revol@free.fr.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6 #include <fcntl.h>
   7 #include <stdio.h>
   8 #include <string.h>
   9 #include <unistd.h>
  10
  11 // 2002, François Revol
  12 // technical reference:
  13 // http://bedriven.be-in.org/document/280-serial_port_driver.html
  14 // 2004: bedriven is down now, mirror at:
  15 // http://web.archive.org/web/20040220055400/http://bedriven.be-in.org/document/280-serial_port_driver.html
  16
  17 int main(int argc, char **argv)
  18 {
  19         char *default_scan[] = { "scsi_dsk", "scsi_cd", "ata", "atapi" }; // not really sure here...
  20         char *default_scan_names[] = { "scsi disks", "scsi cdroms", "ide ata", "ide atapi" };
  21         char **scan = default_scan;
  22         char **scan_names = default_scan_names;
  23         int scan_count = 4;
  24         int scan_index = 0;
  25         int fd_dev;
  26
  27         if (argc == 2 && !strcmp(argv[1], "--help")) {
  28                 printf("usage: rescan [driver]\n");
  29                 return 0;
  30         }
  31         if (argc > 1) {
  32                 scan = scan_names = argv;
  33                 scan_count = argc;
  34                 scan_index++; // not argv[0]
  35         }
  36         for (; scan_index < scan_count; scan_index++) {
  37                 printf("scanning %s...\n", scan_names[scan_index]);
  38                 fd_dev = open("/dev", O_WRONLY);
  39                 write(fd_dev, scan[scan_index], strlen(scan[scan_index]));
  40                 close(fd_dev);
  41         }
  42         return 0;
  43 }
  44