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author | Sverker Eriksson <[email protected]> | 2017-08-30 20:55:08 +0200 |
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committer | Sverker Eriksson <[email protected]> | 2017-08-30 20:55:08 +0200 |
commit | 7c67bbddb53c364086f66260701bc54a61c9659c (patch) | |
tree | 92ab0d4b91d5e2f6e7a3f9d61ea25089e8a71fe0 /lib/erl_interface/src/misc/ei_decode_term.c | |
parent | 97dc5e7f396129222419811c173edc7fa767b0f8 (diff) | |
parent | 3b7a6ffddc819bf305353a593904cea9e932e7dc (diff) | |
download | otp-7c67bbddb53c364086f66260701bc54a61c9659c.tar.gz otp-7c67bbddb53c364086f66260701bc54a61c9659c.tar.bz2 otp-7c67bbddb53c364086f66260701bc54a61c9659c.zip |
Merge tag 'OTP-19.0' into sverker/19/binary_to_atom-utf8-crash/ERL-474/OTP-14590
Diffstat (limited to 'lib/erl_interface/src/misc/ei_decode_term.c')
-rw-r--r-- | lib/erl_interface/src/misc/ei_decode_term.c | 70 |
1 files changed, 26 insertions, 44 deletions
diff --git a/lib/erl_interface/src/misc/ei_decode_term.c b/lib/erl_interface/src/misc/ei_decode_term.c index ce5ae5b19d..63a7034508 100644 --- a/lib/erl_interface/src/misc/ei_decode_term.c +++ b/lib/erl_interface/src/misc/ei_decode_term.c @@ -1,18 +1,19 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2001-2013. All Rights Reserved. + * Copyright Ericsson AB 2001-2016. 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/. + * 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 * - * 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. + * 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% * @@ -32,7 +33,7 @@ int ei_decode_ei_term(const char* buf, int* index, ei_term* term) { const char* s = buf + *index, * s0 = s; - int i, n, sign; + int n, sign; char c; if (term == NULL) return -1; @@ -46,47 +47,27 @@ int ei_decode_ei_term(const char* buf, int* index, ei_term* term) break; case ERL_FLOAT_EXT: case NEW_FLOAT_EXT: - return ei_decode_double(buf, index, &term->value.d_val); + return (ei_decode_double(buf, index, &term->value.d_val) < 0 + ? -1 : 1); case ERL_ATOM_EXT: case ERL_ATOM_UTF8_EXT: case ERL_SMALL_ATOM_EXT: case ERL_SMALL_ATOM_UTF8_EXT: - return ei_decode_atom(buf, index, term->value.atom_name); + return (ei_decode_atom(buf, index, term->value.atom_name) < 0 + ? -1 : 1); case ERL_REFERENCE_EXT: - /* first the nodename */ - if (get_atom(&s, term->value.ref.node, NULL) < 0) return -1; - /* now the numbers: num (4), creation (1) */ - term->value.ref.n[0] = get32be(s); - term->value.ref.len = 1; - term->value.ref.creation = get8(s) & 0x03; - break; case ERL_NEW_REFERENCE_EXT: - /* first the integer count */ - term->value.ref.len = get16be(s); - /* then the nodename */ - if (get_atom(&s, term->value.ref.node, NULL) < 0) return -1; - /* creation */ - term->value.ref.creation = get8(s) & 0x03; - /* finally the id integers */ - for (i = 0; (i<term->value.ref.len) && (i<3); i++) { - term->value.ref.n[i] = get32be(s); - } - if (term->value.ref.len > 3) { - s += 4 * (term->value.ref.len - 3); - } - break; + case ERL_NEWER_REFERENCE_EXT: + return (ei_decode_ref(buf, index, &term->value.ref) < 0 + ? -1 : 1); case ERL_PORT_EXT: - if (get_atom(&s, term->value.port.node, NULL) < 0) return -1; - term->value.port.id = get32be(s) & 0x0fffffff; /* 28 bits */; - term->value.port.creation = get8(s) & 0x03; - break; + case ERL_NEW_PORT_EXT: + return (ei_decode_port(buf, index, &term->value.port) < 0 + ? -1 : 1); case ERL_PID_EXT: - if (get_atom(&s, term->value.pid.node, NULL) < 0) return -1; - /* now the numbers: num (4), serial (4), creation (1) */ - term->value.pid.num = get32be(s) & 0x7fff; /* 15 bits */ - term->value.pid.serial = get32be(s) & 0x1fff; /* 13 bits */ - term->value.pid.creation = get8(s) & 0x03; /* 2 bits */ - break; + case ERL_NEW_PID_EXT: + return (ei_decode_pid(buf, index, &term->value.pid) < 0 + ? -1 : 1); case ERL_SMALL_TUPLE_EXT: term->arity = get8(s); break; @@ -100,6 +81,7 @@ int ei_decode_ei_term(const char* buf, int* index, ei_term* term) term->size = get16be(s); return 0; case ERL_LIST_EXT: + case ERL_MAP_EXT: term->arity = get32be(s); break; case ERL_BINARY_EXT: |