Your tool works great! and Joliet fs is no problem either. Thanks Fred
:)
--
Dawid Michalczyk
fred smith wrote:
>
> On Sat, Dec 04, 1999 at 12:19:04AM +0100, Dawid Michalczyk wrote:
> >
> > I'm writing a script, in which I need to get the name
> > of the cdrom media. This is easy in Windows as the
> > name of the cd is always listed in the "My computer"
> > window. In Linux, there is only the mount point dir which
> > is always the same, but each cd has its own
> > name. How do I solve this?
>
> If you mean the "volume label", I'll append below a short C program
> (a real ugly hack, but it works) which will do the job.
>
> It just gropes the CD drive, looking in a known place. If the format
> ever changes you're hosed. I have no idea if it works on Joliet file
> systems or not.
>
> I call it "getvn.c" and compile it like this:
>
> cc getvn.c -o getvn
>
> and invoke it as:
>
> getvn /dev/hdd
>
> or wherver your CD drive is attached, if not /dev/hdd.
>
> Fred
>
> ------------------------------
> #include <stdio.h>
> #include <fcntl.h>
> #include <unistd.h>
>
> int main (int argc, char ** argv)
> {
> int fd;
> char buf[12];
>
> if (argc != 2)
> {
> printf ("Usage: %s <cdrom devicename>\n", argv[0]);
> exit (0);
> }
>
> fd = open (argv[1], O_RDONLY);
> if (fd < 0)
> {
> printf ("oops! Error opening device %s\n", argv[1]);
> exit (1);
> }
> if (lseek (fd, (long) 0x8028, SEEK_SET) != (long) 0x8028)
> {
> printf ("oops! Error seeking device %s\n", argv[1]);
> exit (1);
> }
> if (read (fd, buf, 11) != 11)
> {
> printf ("oops! Error reading device %s\n", argv[1]);
> exit (1);
> }
> close (fd);
> printf ("Volume name in device %s: %s\n", argv[1], buf);
> return (0);
> }
> --
> ---- Fred Smith -- [EMAIL PROTECTED] ----------------------------
> I can do all things through Christ
> who strengthens me.
> ------------------------------ Philippians 4:13 -------------------------------
>
> --
> To unsubscribe: mail [EMAIL PROTECTED] with "unsubscribe"
> as the Subject.
--
To unsubscribe: mail [EMAIL PROTECTED] with "unsubscribe"
as the Subject.
