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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 1998-2009. 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 <string.h>
#include "eidef.h"
#include "eiext.h"
#include "putget.h"
/* c non-zero -> erlang "true" atom, otherwise "false" */
int ei_decode_boolean(const char *buf, int *index, int *p)
{
const char *s = buf + *index;
const char *s0 = s;
int len;
int t;
if (get8(s) != ERL_ATOM_EXT) return -1;
len = get16be(s);
switch (len) {
case 4:
/* typecast makes ansi happy */
if (strncmp((char*)s,"true",4)) return -1;
t = 1;
break;
case 5:
if (strncmp((char*)s,"false",5)) return -1;
t = 0;
break;
default:
return -1;
}
s += len;
if (p) *p = t;
*index += s-s0;
return 0;
}
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