gcc/

[pf3gnuchains/gcc-fork.git] / libgfortran / io / open.c

diff --git a/libgfortran/io/open.c b/libgfortran/io/open.c
index e3709f7..be8f4bb 100644 (file)
--- a/libgfortran/io/open.c
+++ b/libgfortran/io/open.c
@@ -1,38 +1,36 @@
-/* Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008
+/* Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
    Free Software Foundation, Inc.
    Contributed by Andy Vaught
    F2003 I/O support contributed by Jerry DeLisle
 
-This file is part of the GNU Fortran 95 runtime library (libgfortran).
+This file is part of the GNU Fortran runtime library (libgfortran).
 
 Libgfortran is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
 any later version.
 
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file.  (The General Public License restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
-
 Libgfortran is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
-You should have received a copy of the GNU General Public License
-along with Libgfortran; see the file COPYING.  If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.  */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
 
 #include "io.h"
+#include "fbuf.h"
+#include "unix.h"
 #include <unistd.h>
 #include <string.h>
 #include <errno.h>
+#include <stdlib.h>
 
 
 static const st_option access_opt[] = {
@@ -626,7 +624,7 @@ new_unit (st_parameter_open *opp, gfc_unit *u, unit_flags * flags)
   test_endfile (u);
 
   if (flags->status == STATUS_SCRATCH && opp->file != NULL)
-    free_mem (opp->file);
+    free (opp->file);
     
   if (flags->form == FORM_FORMATTED)
     {
@@ -647,7 +645,7 @@ new_unit (st_parameter_open *opp, gfc_unit *u, unit_flags * flags)
   /* Free memory associated with a temporary filename.  */
 
   if (flags->status == STATUS_SCRATCH && opp->file != NULL)
-    free_mem (opp->file);
+    free (opp->file);
 
  fail:
 
@@ -692,7 +690,7 @@ already_open (st_parameter_open *opp, gfc_unit * u, unit_flags * flags)
 
       u->s = NULL;
       if (u->file)
-       free_mem (u->file);
+       free (u->file);
       u->file = NULL;
       u->file_len = 0;
 
@@ -819,7 +817,7 @@ st_open (st_parameter_open *opp)
 
   flags.convert = conv;
 
-  if (opp->common.unit < 0)
+  if (!(opp->common.flags & IOPARM_OPEN_HAS_NEWUNIT) && opp->common.unit < 0)
     generate_error (&opp->common, LIBERROR_BAD_OPTION,
                    "Bad unit number in OPEN statement");
 
@@ -847,8 +845,13 @@ st_open (st_parameter_open *opp)
 
   if ((opp->common.flags & IOPARM_LIBRETURN_MASK) == IOPARM_LIBRETURN_OK)
     {
-      u = find_or_create_unit (opp->common.unit);
+      if ((opp->common.flags & IOPARM_OPEN_HAS_NEWUNIT))
+       {
+         *opp->newunit = get_unique_unit_number(opp);
+         opp->common.unit = *opp->newunit;
+       }
 
+      u = find_or_create_unit (opp->common.unit);
       if (u->s == NULL)
        {
          u = new_unit (opp, u, &flags);