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unpacker_ext_registry.c
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74 lines (68 loc) · 2.23 KB
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/*
* MessagePack for Ruby
*
* Copyright (C) 2008-2015 Sadayuki Furuhashi
*
* 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.
*/
#include "unpacker_ext_registry.h"
void msgpack_unpacker_ext_registry_mark(msgpack_unpacker_ext_registry_t* ukrg)
{
if (ukrg) {
for(int i=0; i < 256; i++) {
if (ukrg->array[i] != Qnil) {
rb_gc_mark(ukrg->array[i]);
}
}
}
}
msgpack_unpacker_ext_registry_t* msgpack_unpacker_ext_registry_cow(msgpack_unpacker_ext_registry_t* src)
{
msgpack_unpacker_ext_registry_t* dst;
if (src) {
if (src->borrow_count) {
dst = ALLOC(msgpack_unpacker_ext_registry_t);
dst->borrow_count = 0;
MEMCPY(dst->array, src->array, VALUE, 256);
msgpack_unpacker_ext_registry_release(src);
return dst;
} else {
return src;
}
} else {
dst = ALLOC(msgpack_unpacker_ext_registry_t);
dst->borrow_count = 0;
for(int i=0; i < 256; i++) {
dst->array[i] = Qnil;
}
return dst;
}
}
void msgpack_unpacker_ext_registry_release(msgpack_unpacker_ext_registry_t* ukrg)
{
if (ukrg) {
if (ukrg->borrow_count) {
ukrg->borrow_count--;
} else {
xfree(ukrg);
}
}
}
void msgpack_unpacker_ext_registry_put(VALUE owner, msgpack_unpacker_ext_registry_t** ukrg,
VALUE ext_module, int ext_type, int flags, VALUE proc)
{
msgpack_unpacker_ext_registry_t* ext_registry = msgpack_unpacker_ext_registry_cow(*ukrg);
VALUE entry = rb_ary_new3(3, ext_module, proc, INT2FIX(flags));
RB_OBJ_WRITE(owner, &ext_registry->array[ext_type + 128], entry);
*ukrg = ext_registry;
}