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-rw-r--r--src/vector.cc77
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diff --git a/src/vector.cc b/src/vector.cc
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--- a/src/vector.cc
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-/*
- * Copyright 2016 WebAssembly Community Group participants
- *
- * 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 "vector.h"
-
-#define INITIAL_VECTOR_CAPACITY 8
-
-namespace wabt {
-
-void ensure_capacity(char** data,
- size_t* capacity,
- size_t desired_size,
- size_t elt_byte_size) {
- if (desired_size > *capacity) {
- size_t new_capacity = *capacity ? *capacity * 2 : INITIAL_VECTOR_CAPACITY;
- while (new_capacity < desired_size)
- new_capacity *= 2;
- size_t new_byte_size = new_capacity * elt_byte_size;
- size_t old_byte_capacity = *capacity * elt_byte_size;
- char* new_data = new char [new_byte_size];
- memcpy(new_data, *data, old_byte_capacity);
- memset(new_data + old_byte_capacity, 0, new_byte_size - old_byte_capacity);
- delete[] *data;
- *data = new_data;
- *capacity = new_capacity;
- }
-}
-
-void resize_vector(char** data,
- size_t* size,
- size_t* capacity,
- size_t desired_size,
- size_t elt_byte_size) {
- size_t old_size = *size;
- ensure_capacity(data, capacity, desired_size, elt_byte_size);
- if (desired_size > old_size) {
- memset(*data + old_size * elt_byte_size, 0,
- (desired_size - old_size) * elt_byte_size);
- }
- *size = desired_size;
-}
-
-void* append_element(char** data,
- size_t* size,
- size_t* capacity,
- size_t elt_byte_size) {
- ensure_capacity(data, capacity, *size + 1, elt_byte_size);
- char* p = *data + (*size)++ * elt_byte_size;
- memset(p, 0, elt_byte_size);
- return p;
-}
-
-void extend_elements(char** dst,
- size_t* dst_size,
- size_t* dst_capacity,
- char* const* src,
- size_t src_size,
- size_t elt_byte_size) {
- ensure_capacity(dst, dst_capacity, *dst_size + src_size, elt_byte_size);
- memcpy(*dst + (*dst_size * elt_byte_size), *src, src_size * elt_byte_size);
- *dst_size += src_size;
-}
-
-} // namespace wabt