/* xsh_rdstest.c - xsh_rdstest */
#include 
#include 

/*------------------------------------------------------------------------
 * xsh_rdstest - shell to print the time the system has been up
 *------------------------------------------------------------------------
 */
shellcmd xsh_rdstest(int nargs, char *args[])
{
        bool8   err;
        int32   retval;
        int32   i, j;
        char    dskname[] = "TestDisk";

        char    buff[2048];
        char    buff2[2048];

        retval = open(RDISK,dskname,"rw");

        if (retval < 0) {
                kprintf("xsh_rdstest: open %s returns %s, stopping\n",
                        dskname, retval==SYSERR?"SYSERR":"TIMEOUT");
                close( RDISK );
                return 1;
        } else {
                kprintf("xsh_rdstest: open %s returns %d\n",
                        dskname, retval);
        }

        kprintf("writing eight blocks to the disk\n");
        for (i=7; i>=0; i--) {
                memset(buff, (char)(i&0xff), RD_BLKSIZ);
                kprintf("\n*** writing block %d\n",i);
                retval = write(RDISK, buff, i);
                if (retval < 0) {
                   kprintf("write to block %d returns %d\n", i, retval);
                }
        }
        kprintf("reading block 1\n");
        retval = read(RDISK, buff, 1);
        kprintf("read from block 1 has return value %d\n", retval);

        err = 0;
        for (i=0; i