/* namopen.c - namopen */

#include 

/*------------------------------------------------------------------------
 *  namopen  -  Open a file or device based on the name
 *------------------------------------------------------------------------
 */
devcall namopen(
          struct dentry *devptr,        /* Entry in device switch table */
          char  *name,                  /* Name to open                 */
          char  *mode                   /* Mode argument                */
        )
{
        char    newname[NM_MAXLEN];     /* Name with prefix replaced    */
        did32   newdev;                 /* Device ID after mapping      */

        /* Use namespace to map name to a new name and new descriptor */

        newdev = nammap(name, newname, devptr->dvnum);
        
        if (newdev == SYSERR) {
                return SYSERR;
        }

        /* Open underlying device and return status */

        return  open(newdev, newname, mode);
}