diff options
Diffstat (limited to 'lib/erl_interface/src/decode/decode_double.c')
-rw-r--r-- | lib/erl_interface/src/decode/decode_double.c | 30 |
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; } |