Update copyright years.

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

diff --git a/libgfortran/io/close.c b/libgfortran/io/close.c
index 38855ee9832bc7d7cad7eff3680913079ab5bfa5..7decb53c5a927623b520c58a43ab6322c7fbdcea 100644 (file)
--- a/libgfortran/io/close.c
+++ b/libgfortran/io/close.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2015 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).
@@ -24,10 +24,14 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 
 #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[] = {
@@ -46,7 +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
@@ -57,15 +61,31 @@ 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)
@@ -78,13 +98,22 @@ st_close (st_parameter_close *clp)
       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 = strdup (u->filename);
+                 path = strdup (u->filename);
 #endif
-            }
+               }
+           }
        }
 
       close_unit (u);
@@ -92,7 +121,9 @@ st_close (st_parameter_close *clp)
 #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