From 84adefa331c4159d432d22840663c38f155cd4c1 Mon Sep 17 00:00:00 2001 From: Erlang/OTP Date: Fri, 20 Nov 2009 14:54:40 +0000 Subject: The R13B03 release. --- lib/erl_interface/src/decode/decode_pid.c | 54 +++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 lib/erl_interface/src/decode/decode_pid.c (limited to 'lib/erl_interface/src/decode/decode_pid.c') diff --git a/lib/erl_interface/src/decode/decode_pid.c b/lib/erl_interface/src/decode/decode_pid.c new file mode 100644 index 0000000000..5f2aec3b44 --- /dev/null +++ b/lib/erl_interface/src/decode/decode_pid.c @@ -0,0 +1,54 @@ +/* + * %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 +#include "eidef.h" +#include "eiext.h" +#include "putget.h" + +int ei_decode_pid(const char *buf, int *index, erlang_pid *p) +{ + const char *s = buf + *index; + const char *s0 = s; + int len; + + if (get8(s) != ERL_PID_EXT) return -1; + + /* first the nodename */ + if (get8(s) != ERL_ATOM_EXT) return -1; + + len = get16be(s); + + if (p) { + memmove(p->node, s, len); + p->node[len] = (char)0; + } + s += len; + + /* now the numbers: num (4), serial (4), creation (1) */ + if (p) { + p->num = get32be(s) & 0x7fff; /* 15 bits */ + p->serial = get32be(s) & 0x1fff; /* 13 bits */ + p->creation = get8(s) & 0x03; /* 2 bits */ + } + else s+= 9; + + *index += s-s0; + + return 0; +} -- cgit v1.2.3