inquire.c (inquire_via_unit): do not allow a direct access file to be opened for sequential I/O.

2004-12-02  Bud Davis  <bdavis9659@comcast.net>

        * io/inquire.c (inquire_via_unit): do not allow a direct access
        file to be opened for sequential I/O.

        * gfortran.dg/inquire.f90: New test.

From-SVN: r91610

gcc/testsuite/ChangeLog

+2004-12-02  Bud Davis  <bdavis9659@comcast.net>
+
+	* gfortran.dg/inquire.f90: New test.
+
 2004-12-01  Janis Johnson  <janis187@us.ibm.com>
 
 	* lib/gcc-dg.exp (dg-process-target): Wrapper for dg function to

gcc/testsuite/gfortran.dg/inquire.f90

+! { dg-do run }
+! check to see that you cannot open a direct access file
+! for sequential i/o.
+! derived from NIST test fm910.for
+        IMPLICIT NONE
+        CHARACTER*10 D4VK
+        OPEN(UNIT=7, ACCESS='DIRECT',RECL=132,STATUS='SCRATCH')
+        INQUIRE(UNIT=7,SEQUENTIAL=D4VK)
+        CLOSE(UNIT=7,STATUS='DELETE')
+        IF (D4VK.NE.'NO') CALL ABORT
+        END

libgfortran/ChangeLog

+2004-12-02  Bud Davis  <bdavis9659@comcast.net>
+
+	* io/inquire.c (inquire_via_unit): do not allow a direct access
+	file to be opened for sequential I/O.
+
 2004-12-02  Steven G. Kargl  <kargls@comcast.net>
 	Paul Brook  <paul@codesourcery.com>
 

libgfortran/io/inquire.c

@@ -73,6 +73,11 @@ inquire_via_unit (gfc_unit * u)
 
   if (ioparm.sequential != NULL)
     {
+      /* disallow an open direct access file to be accessed
+         sequentially */
+      if (u->flags.access==ACCESS_DIRECT)
+        p = "NO";
+      else   
         p = (u == NULL) ? inquire_sequential (NULL, 0) :
         inquire_sequential (u->file, u->file_len);