BTW, I called the C program mtdumpoptions.c and the scrip mtoptions.

rna

On Thu, 31 Aug 2000, Robert Ambrose wrote:

> 
> Here a ye olde quick and dirty options script/program.  Think of it as a
> starting point.  What st.c really needs is a /proc file to get the options
> from (hmmm, I feel a plan comming 8-) ).
> 
> The 'C' part:
> 
> #include <stdio.h>
> #include <fcntl.h>
> #include <error.h>
> #include <sys/mtio.h>
> 
> int
> main (
> 	int argc,
> 	char **argv
> )
> {
> 	int fd;
> 	struct mtop mtop;
> 
> 	if((fd = open(argv[1], O_RDONLY|O_NONBLOCK)) == -1)
> 		perror("Can't open tape drive");
> 	mtop.mt_op = MTSETDRVBUFFER;
> 	mtop.mt_count = MT_ST_CLEARBOOLEANS | MT_ST_DEBUGGING;
> 	if(ioctl(fd, MTIOCTOP, &mtop) == -1)
> 		perror("ioctl failed");
> 	close(fd);
> 	exit(0);
> }
> 
> And the script part:
> 
> mtdumpoptions /dev/st0
> 
> tail -4 /var/log/messages | cut -f7- -d' '
> 
> 
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