Update copyright dates with scripts/update-copyrights.

[thirdparty/glibc.git] / hurd / hurdmsg.c

diff --git a/hurd/hurdmsg.c b/hurd/hurdmsg.c
index 32d1a5c9754dd62522007b60b229f8feae5ad5df..4249ba104a94137676d630505158e87be658e8ea 100644 (file)
--- a/hurd/hurdmsg.c
+++ b/hurd/hurdmsg.c
@@ -1,20 +1,19 @@
-/* Copyright (C) 1992, 1994, 1995, 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1992-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-The GNU C Library 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
-Library General Public License for more details.
+   The GNU C Library 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
+   Lesser General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
 #include <hurd.h>
 #include <hurd/msg_server.h>
@@ -239,6 +238,10 @@ set_int (int which, int value)
          }
        __spin_unlock (&ss->lock);
        return 0;
+
+      case INIT_TRACEMASK:
+       _hurdsig_traced = value;
+       return 0;
       }
     default:
       return EINVAL;
@@ -311,14 +314,24 @@ _S_msg_get_env_variable (mach_port_t msgport,
                         char *variable,
                         char **data, mach_msg_type_number_t *datalen)
 {
+  error_t err;
+  mach_msg_type_number_t valuelen;
   const char *value = getenv (variable);
 
   if (value == NULL)
     return ENOENT;
 
-  /* XXX this pointer might become invalid */
-  *data = value;
-  *datalen = strlen (value);
+  valuelen = strlen (value);
+  if (valuelen > *datalen)
+    {
+      if (err = __vm_allocate (__mach_task_self (),
+                              (vm_address_t *) data, valuelen, 1))
+       return err;
+    }
+
+  memcpy (*data, value, valuelen);
+  *datalen = valuelen;
+
   return 0;
 }