Update copyright years.

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

diff --git a/libgfortran/io/close.c b/libgfortran/io/close.c
index eb66f66507e473849ade916c792ef8cd54173bc1..7decb53c5a927623b520c58a43ab6322c7fbdcea 100644 (file)
--- a/libgfortran/io/close.c
+++ b/libgfortran/io/close.c
@@ -1,37 +1,37 @@
-/* Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2024 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 "io.h"
+#include "unix.h"
+#include "async.h"
 #include <limits.h>
+#if !HAVE_UNLINK_OPEN_FILE
+#include <string.h>
+#endif
 
 typedef enum
-{ CLOSE_DELETE, CLOSE_KEEP, CLOSE_UNSPECIFIED }
+{ CLOSE_INVALID = - 1, CLOSE_DELETE, CLOSE_KEEP, CLOSE_UNSPECIFIED }
 close_status;
 
 static const st_option status_opt[] = {
@@ -50,7 +50,7 @@ st_close (st_parameter_close *clp)
   close_status status;
   gfc_unit *u;
 #if !HAVE_UNLINK_OPEN_FILE
-  char * path;
+  char *path;
 
   path = NULL;
 #endif
@@ -61,43 +61,71 @@ st_close (st_parameter_close *clp)
     find_option (&clp->common, clp->status, clp->status_len,
                 status_opt, "Bad STATUS parameter in CLOSE statement");
 
+  if (status == CLOSE_INVALID)
+    {
+      library_end ();
+      return;
+    }
+
+  u = find_unit (clp->common.unit);
+
+  if (ASYNC_IO && u && u->au)
+    if (async_wait (&(clp->common), u->au))
+      {
+       library_end ();
+       return;
+      }
+
   if ((clp->common.flags & IOPARM_LIBRETURN_MASK) != IOPARM_LIBRETURN_OK)
   {
     library_end ();
     return;
   }
 
-  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, 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);
+
+                 if (remove (u->filename))
+                   generate_error (&clp->common, LIBERROR_OS,
+                                   "File cannot be deleted");
 #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);
+       {
+         if (remove (path))
+           generate_error (&clp->common, LIBERROR_OS,
+                           "File cannot be deleted");
+         free (path);
+       }
 #endif
     }