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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 1998-2016. All Rights Reserved.
*
* 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
*
* 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%
*/
#include <string.h>
#include "eidef.h"
#include "eiext.h"
#include "putget.h"
int ei_encode_binary(char *buf, int *index, const void *p, long len)
{
char *s = buf + *index;
char *s0 = s;
if (!buf) s += 5;
else {
put8(s,ERL_BINARY_EXT);
put32be(s,len);
memmove(s,p,len);
}
s += len;
*index += s-s0;
return 0;
}
int ei_encode_bitstring(char *buf, int *index, const void *p, size_t bits)
{
char *s = buf + *index;
char *s0 = s;
size_t bytes = (bits + 7) / 8;
char last_bits = bits % 8;
if (bytes == 0 || last_bits == 0)
return ei_encode_binary(buf, index, p, bytes);
if (!buf) s += 6;
else {
put8(s, ERL_BIT_BINARY_EXT);
put32be(s, bytes);
put8(s, last_bits);
memcpy(s, p, bytes);
s[bytes-1] &= (0xff << (8-last_bits));
}
s += bytes;
*index += s-s0;
return 0;
}
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