| /* Copyright 2015 Google Inc. 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. |
| */ |
| |
| #include "./state.h" |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #if defined(__cplusplus) || defined(c_plusplus) |
| extern "C" { |
| #endif |
| |
| void BrotliStateInit(BrotliState* s) { |
| int i; |
| |
| s->state = BROTLI_STATE_UNINITED; |
| s->sub_state[0] = BROTLI_STATE_SUB_NONE; |
| s->sub_state[1] = BROTLI_STATE_SUB_NONE; |
| |
| s->block_type_trees = NULL; |
| s->block_len_trees = NULL; |
| s->ringbuffer = NULL; |
| |
| s->context_map = NULL; |
| s->context_modes = NULL; |
| s->dist_context_map = NULL; |
| s->context_map_slice = NULL; |
| s->dist_context_map_slice = NULL; |
| |
| for (i = 0; i < 3; ++i) { |
| s->hgroup[i].codes = NULL; |
| s->hgroup[i].htrees = NULL; |
| } |
| |
| s->code_lengths = NULL; |
| s->context_map_table = NULL; |
| } |
| |
| void BrotliStateCleanup(BrotliState* s) { |
| int i; |
| |
| if (s->context_map_table != 0) { |
| free(s->context_map_table); |
| } |
| if (s->code_lengths != 0) { |
| free(s->code_lengths); |
| } |
| |
| if (s->context_modes != 0) { |
| free(s->context_modes); |
| } |
| if (s->context_map != 0) { |
| free(s->context_map); |
| } |
| if (s->dist_context_map != 0) { |
| free(s->dist_context_map); |
| } |
| for (i = 0; i < 3; ++i) { |
| BrotliHuffmanTreeGroupRelease(&s->hgroup[i]); |
| } |
| |
| if (s->ringbuffer != 0) { |
| free(s->ringbuffer); |
| } |
| if (s->block_type_trees != 0) { |
| free(s->block_type_trees); |
| } |
| if (s->block_len_trees != 0) { |
| free(s->block_len_trees); |
| } |
| } |
| |
| #if defined(__cplusplus) || defined(c_plusplus) |
| } /* extern "C" */ |
| #endif |