/* ramread.c  -  ramread */

#include 
#include 

/*------------------------------------------------------------------------
 * ramread  -  Read a block from a ram disk
 *------------------------------------------------------------------------
 */
devcall ramread (
          struct dentry *devptr,        /* Entry in device switch table */
          char  *buff,                  /* Buffer to hold disk block    */
          int32 blk                     /* Block number of block to read*/
        )
{
        int32   bpos;                   /* Byte position of blk         */

        bpos = RM_BLKSIZ * blk;
        memcpy(buff, &Ram.disk[bpos], RM_BLKSIZ);
        return OK;
}