Update copyright years.

[thirdparty/gcc.git] / libgfortran / intrinsics / system.c

diff --git a/libgfortran/intrinsics/system.c b/libgfortran/intrinsics/system.c
index 81ceef3ad17e3900e803afd7cf79cce35bbcfb6a..73bc46c1789a313784b3d11227aecfff5ce46c03 100644 (file)
--- a/libgfortran/intrinsics/system.c
+++ b/libgfortran/intrinsics/system.c
@@ -1,41 +1,27 @@
 /* Implementation of the SYSTEM intrinsic.
-   Copyright (C) 2004 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
    Contributed by Tobias Schlüter.
 
-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) any later
+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 combined
-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, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.  */
-
-#include "config.h"
+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.
 
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
+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 "libgfortran.h"
 
@@ -46,13 +32,14 @@ iexport_proto(system_sub);
 void
 system_sub (const char *fcmd, GFC_INTEGER_4 *status, gfc_charlen_type cmd_len)
 {
-  char cmd[cmd_len + 1];
+  char *cmd = fc_strdup (fcmd, cmd_len);
   int stat;
 
-  memcpy (cmd, fcmd, cmd_len);
-  cmd[cmd_len] = '\0';
+  /* Flush all I/O units before executing the command.  */
+  flush_all_units();
 
   stat = system (cmd);
+  free (cmd);
   if (status)
     *status = stat;
 }