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-rw-r--r--lib/erl_interface/src/encode/encode_double.c31
1 files changed, 22 insertions, 9 deletions
diff --git a/lib/erl_interface/src/encode/encode_double.c b/lib/erl_interface/src/encode/encode_double.c
index 148a49f73a..8943cefa11 100644
--- a/lib/erl_interface/src/encode/encode_double.c
+++ b/lib/erl_interface/src/encode/encode_double.c
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 1998-2010. All Rights Reserved.
*
- * The contents of this file are subject to the Erlang Public License,
- * Version 1.1, (the "License"); you may not use this file except in
- * compliance with the License. You should have received a copy of the
- * Erlang Public License along with this software. If not, it can be
- * retrieved online at http://www.erlang.org/.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
*
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*
* %CopyrightEnd%
*/
@@ -21,12 +22,24 @@
#include "eidef.h"
#include "eiext.h"
#include "putget.h"
+#if defined(HAVE_ISFINITE)
+#include <math.h>
+#endif
int ei_encode_double(char *buf, int *index, double p)
{
char *s = buf + *index;
char *s0 = s;
+ /* Erlang does not handle Inf and NaN, so we return an error rather
+ * than letting the Erlang VM complain about a bad external
+ * term. */
+#if defined(HAVE_ISFINITE)
+ if(!isfinite(p)) {
+ return -1;
+ }
+#endif
+
if (!buf)
s += 9;
else {