PR 78534, 83704 Handle large formatted I/O

[gcc.git] / libgfortran / io / close.c

diff --git a/libgfortran/io/close.c b/libgfortran/io/close.c
index 66ea6c3fb69fa1316b279469ce4db9378cfa1cac..2117c40ac0d1f455ea6f123f6526e9d8492f672e 100644 (file)
--- a/libgfortran/io/close.c
+++ b/libgfortran/io/close.c
@@ -1,35 +1,29 @@
-/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2018 Free Software Foundation, Inc.
    Contributed by Andy Vaught
 
 This file is part of the GNU Fortran 95 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 "config.h"
-#include "libgfortran.h"
 #include "io.h"
+#include "unix.h"
 #include <limits.h>
 
 typedef enum
@@ -52,7 +46,7 @@ st_close (st_parameter_close *clp)
   close_status status;
   gfc_unit *u;
 #if !HAVE_UNLINK_OPEN_FILE
-  char * path;
+  char *path;
 
   path = NULL;
 #endif
@@ -72,34 +66,43 @@ st_close (st_parameter_close *clp)
   u = find_unit (clp->common.unit);
   if (u != NULL)
     {
+      if (close_share (u) < 0)
+       generate_error (&clp->common, LIBERROR_OS, "Problem in CLOSE");
       if (u->flags.status == STATUS_SCRATCH)
        {
          if (status == CLOSE_KEEP)
-           generate_error (&clp->common, ERROR_BAD_OPTION,
+           generate_error (&clp->common, LIBERROR_BAD_OPTION,
                            "Can't KEEP a scratch file on CLOSE");
 #if !HAVE_UNLINK_OPEN_FILE
-         path = (char *) gfc_alloca (u->file_len + 1);
-          unpack_filename (path, u->file, u->file_len);
+         path = strdup (u->filename);
 #endif
        }
       else
        {
          if (status == CLOSE_DELETE)
-            {
+           {
+             if (u->flags.readonly)
+               generate_warning (&clp->common, "STATUS set to DELETE on CLOSE"
+                                 " but file protected by READONLY specifier");
+             else
+               {
 #if HAVE_UNLINK_OPEN_FILE
-             delete_file (u);
+                 remove (u->filename);
 #else
-             path = (char *) gfc_alloca (u->file_len + 1);
-              unpack_filename (path, u->file, u->file_len);
+                 path = strdup (u->filename);
 #endif
-            }
+               }
+           }
        }
 
       close_unit (u);
 
 #if !HAVE_UNLINK_OPEN_FILE
       if (path != NULL)
-        unlink (path);
+       {
+         remove (path);
+         free (path);
+       }
 #endif
     }