Fix from Bruce Evans; dup() would turn itself into dup2() bogusly

for fd values >= 64.

diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c
index de80981..8c731f9 100644 (file)
--- a/sys/kern/kern_descrip.c
+++ b/sys/kern/kern_descrip.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *     from: @(#)kern_descrip.c        7.28 (Berkeley) 6/25/91
  * SUCH DAMAGE.
  *
  *     from: @(#)kern_descrip.c        7.28 (Berkeley) 6/25/91

- *     $Id: kern_descrip.c,v 1.5 1993/11/25 01:32:54 wollman Exp $
+ *     $Id: kern_descrip.c,v 1.6 1993/12/19 00:51:22 wollman Exp $

  */
 
 #include "param.h"
  */
 
 #include "param.h"


@@ -93,10 +93,12 @@ dup(p, uap, retval)
        struct file *fp;
        int fd, error;
 
        struct file *fp;
        int fd, error;
 

+#if 0

        /*
         * XXX Compatibility
         */
        if (uap->i &~ 077) { uap->i &= 077; return (dup2(p, uap, retval)); }
        /*
         * XXX Compatibility
         */
        if (uap->i &~ 077) { uap->i &= 077; return (dup2(p, uap, retval)); }

+#endif

 
        if ((unsigned)uap->i >= fdp->fd_nfiles ||
            (fp = fdp->fd_ofiles[uap->i]) == NULL)
 
        if ((unsigned)uap->i >= fdp->fd_nfiles ||
            (fp = fdp->fd_ofiles[uap->i]) == NULL)