* doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5

[pf3gnuchains/gcc-fork.git] / gcc / ada / argv.c

diff --git a/gcc/ada/argv.c b/gcc/ada/argv.c
index 60174db..b827b03 100644 (file)
--- a/gcc/ada/argv.c
+++ b/gcc/ada/argv.c
@@ -6,28 +6,26 @@
  *                                                                          *
  *                          C Implementation File                           *
  *                                                                          *
- *                                                                          *
- *         Copyright (C) 1992-2001 Free Software Foundation, Inc.           *
+ *         Copyright (C) 1992-2009, Free Software Foundation, Inc.          *
  *                                                                          *
  * GNAT is free software;  you can  redistribute it  and/or modify it under *
  * terms of the  GNU General Public License as published  by the Free Soft- *
- * ware  Foundation;  either version 2,  or (at your option) any later ver- *
+ * ware  Foundation;  either version 3,  or (at your option) any later ver- *
  * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *
  * OUT 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  distributed with GNAT;  see file COPYING.  If not, write *
- * to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, *
- * MA 02111-1307, USA.                                                      *
+ * or FITNESS FOR A PARTICULAR PURPOSE.                                     *
+ *                                                                          *
+ * As a special exception 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.               *
  *                                                                          *
- * As a  special  exception,  if you  link  this file  with other  files to *
- * produce an executable,  this file does not by itself cause the resulting *
- * executable to be covered by the GNU General Public License. This except- *
- * ion does not  however invalidate  any other reasons  why the  executable *
- * file might be covered by the  GNU Public License.                        *
+ * 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/>.                                          *
  *                                                                          *
  * GNAT was originally developed  by the GNAT team at  New York University. *
- * It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). *
+ * Extensive contributions were provided by Ada Core Technologies Inc.      *
  *                                                                          *
  ****************************************************************************/
 
@@ -62,29 +60,39 @@ int gnat_argc = 0;
 const char **gnat_argv = (const char **) 0;
 const char **gnat_envp = (const char **) 0;
 
+#if defined (_WIN32) && !defined (RTX)
+/* Note that on Windows environment the environ point to a buffer that could
+   be reallocated if needed. It means that gnat_envp needs to be updated
+   before using gnat_envp to point to the right environment space */
+#include <stdlib.h>
+/* for the environ variable definition */
+#define gnat_envp (environ)
+#endif
+
 int
-__gnat_arg_count ()
+__gnat_arg_count (void)
 {
   return gnat_argc;
 }
 
 int
-__gnat_len_arg (arg_num)
-   int arg_num;
+__gnat_len_arg (int arg_num)
 {
-  return strlen (gnat_argv[arg_num]);
+  if (gnat_argv != NULL)
+    return strlen (gnat_argv[arg_num]);
+  else
+    return 0;
 }
 
 void
-__gnat_fill_arg (a, i)
-   char *a;
-   int i;
+__gnat_fill_arg (char *a, int i)
 {
-  strncpy (a, gnat_argv[i], strlen(gnat_argv[i]));
+  if (gnat_argv != NULL)
+    strncpy (a, gnat_argv[i], strlen(gnat_argv[i]));
 }
 
 int
-__gnat_env_count ()
+__gnat_env_count (void)
 {
   int i;
 
@@ -94,16 +102,17 @@ __gnat_env_count ()
 }
 
 int
-__gnat_len_env (env_num)
-   int env_num;
+__gnat_len_env (int env_num)
 {
-  return strlen (gnat_envp[env_num]);
+  if (gnat_envp != NULL)
+    return strlen (gnat_envp[env_num]);
+  else
+    return 0;
 }
 
 void
-__gnat_fill_env (a, i)
-   char *a;
-   int i;
+__gnat_fill_env (char *a, int i)
 {
-  strncpy (a, gnat_envp[i], strlen (gnat_envp[i]));
+  if (gnat_envp != NULL)
+    strncpy (a, gnat_envp[i], strlen (gnat_envp[i]));
 }