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-rw-r--r--lib/erl_interface/src/decode/decode_double.c30
1 files changed, 19 insertions, 11 deletions
diff --git a/lib/erl_interface/src/decode/decode_double.c b/lib/erl_interface/src/decode/decode_double.c
index 66dbe474ec..ed6e39655e 100644
--- a/lib/erl_interface/src/decode/decode_double.c
+++ b/lib/erl_interface/src/decode/decode_double.c
@@ -1,19 +1,19 @@
/*
* %CopyrightBegin%
- *
- * Copyright Ericsson AB 1998-2009. All Rights Reserved.
- *
+ *
+ * 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/.
- *
+ *
* 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.
- *
+ *
* %CopyrightEnd%
*/
#include <stdio.h>
@@ -26,14 +26,22 @@ int ei_decode_double(const char *buf, int *index, double *p)
{
const char *s = buf + *index;
const char *s0 = s;
- double f;
+ FloatExt f;
- if (get8(s) != ERL_FLOAT_EXT) return -1;
-
- if (sscanf(s, "%lf", &f) != 1) return -1;
+ switch (get8(s)) {
+ case ERL_FLOAT_EXT:
+ if (sscanf(s, "%lf", &f.d) != 1) return -1;
+ s += 31;
+ break;
+ case NEW_FLOAT_EXT:
+ /* IEEE 754 format */
+ f.val = get64be(s);
+ break;
+ default:
+ return -1;
+ }
- s += 31;
- if (p) *p = f;
+ if (p) *p = f.d;
*index += s-s0;
return 0;
}