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authorUlrich Drepper <drepper@redhat.com>1998-07-21 10:36:59 +0000
committerUlrich Drepper <drepper@redhat.com>1998-07-21 10:36:59 +0000
commit2b25f93f7ad09ec1c2b93e07ceae577b56b44a80 (patch)
tree3b0aebccfa57d4e42152d5156e759f1204c2339b /hurd/hurdmsg.c
parente4940e6628c088f722df721c9634b55be7405e2c (diff)
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Update.
1998-07-20  Jose M. Moya  <josem@gnu.org>

	* hurd/hurdmsg.c (_S_msg_get_env_variable): Copy getenv return
	value.

1998-07-20  Roland McGrath  <roland@baalperazim.frob.com>

	* sysdeps/mach/hurd/getdomain.c: New file.
	* sysdeps/mach/hurd/setdomain.c: New file.

1998-07-20  Roland McGrath  <roland@baalperazim.frob.com>

	* sysdeps/unix/bsd/sigsuspend.c: Define __sigsuspend with sigsuspend as
	a weak alias.
Diffstat (limited to 'hurd/hurdmsg.c')
-rw-r--r--hurd/hurdmsg.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/hurd/hurdmsg.c b/hurd/hurdmsg.c
index 5fac8d4cd3..2348550611 100644
--- a/hurd/hurdmsg.c
+++ b/hurd/hurdmsg.c
@@ -315,14 +315,24 @@ _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;
 }