fibmap_mplayer.c

   1 /* (C)2001,2002 by LGB (Gábor Lénárt), lgb@lgb.hu
   2    Part of MPlayer project, this source is copyrighted according to GNU/GPL.  */
   3
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <string.h>
   7 #include <unistd.h>
   8 #include <fcntl.h>
   9 #include <errno.h>
  10 #include <sys/types.h>
  11 #include <sys/ioctl.h>
  12 #include <sys/stat.h>
  13
  14 #ifndef FIBMAP
  15 #define FIBMAP 1
  16 #endif
  17
  18 int main ( int argc , char ** argv )
  19 {
  20         int fd,lba=0;
  21         if (argc!=2) {
  22             fprintf(stderr,"Bad usage.\n");
  23             return 1;
  24         }
  25         if ((fd = open(argv[1], O_RDONLY)) == -1) {
  26             fprintf(stderr,"Cannot open file %s: %s\n",
  27             argv[1] ? argv[1] : "(NULL)", strerror(errno));
  28             return 1;
  29         }
  30         if (ioctl(fd, FIBMAP, &lba) != 0) {
  31             fprintf(stderr,"fibmap ioctl: %s (Hint: %s is not suid root?)\n",strerror(errno),argv[0]);
  32             close(fd);
  33             return 1;
  34         }
  35         close(fd);
  36         printf("%d\n",lba);
  37         return 0;
  38 }