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_trace.c | 43 +++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 lib/erl_interface/src/decode/decode_trace.c (limited to 'lib/erl_interface/src/decode/decode_trace.c') diff --git a/lib/erl_interface/src/decode/decode_trace.c b/lib/erl_interface/src/decode/decode_trace.c new file mode 100644 index 0000000000..ebaa78e29e --- /dev/null +++ b/lib/erl_interface/src/decode/decode_trace.c @@ -0,0 +1,43 @@ +/* + * %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 "eidef.h" +#include "putget.h" + +int ei_decode_trace(const char *buf, int *index, erlang_trace *p) +{ + int arity = 0; + int tindex = *index; + + /* use a temporary index if any function should fail */ + + /* { Flags, Label, Serial, FromPid, Prev } */ + if (ei_decode_tuple_header(buf, &tindex, &arity) + || (arity != 5) + || ei_decode_long(buf, &tindex, &p->flags) + || ei_decode_long(buf, &tindex, &p->label) + || ei_decode_long(buf, &tindex, &p->serial) + || ei_decode_pid( buf, &tindex, &p->from) + || ei_decode_long(buf, &tindex, &p->prev)) return -1; + + /* index is updated by the functions we called */ + + *index = tindex; + + return 0; +} -- cgit v1.2.3