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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_pid(char *buf, int *index, const erlang_pid *p)
{
char* s = buf + *index;
const char tag = (p->creation > 3) ? ERL_NEW_PID_EXT : ERL_PID_EXT;
++(*index); /* skip ERL_PID_EXT */
if (ei_encode_atom_len_as(buf, index, p->node, strlen(p->node),
ERLANG_UTF8, ERLANG_LATIN1|ERLANG_UTF8) < 0)
return -1;
if (buf) {
put8(s, tag);
s = buf + *index;
/* now the integers */
put32be(s,p->num & 0x7fff); /* 15 bits */
put32be(s,p->serial & 0x1fff); /* 13 bits */
if (tag == ERL_PID_EXT) {
put8(s,(p->creation & 0x03)); /* 2 bits */
} else {
put32be(s, p->creation); /* 32 bits */
}
}
*index += 4 + 4 + (tag == ERL_PID_EXT ? 1 : 4);
return 0;
}
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