82 lines
No EOL
2.8 KiB
C
82 lines
No EOL
2.8 KiB
C
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* -----------------------------------------------------------------------------
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* File: Queue.c
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* Description:
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* This file contains the functions for modifying the queue. It includes functions
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* to Push, Pop, Peek and check if empty.
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*
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* Author: Mineplay
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* -----------------------------------------------------------------------------
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*/
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#include "../../Include/Fledasty/Core/Queue.h"
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#include <Hallocy/Core/Allocator.h>
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#include <Hallocy/Core/Memory.h>
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#include <Hallocy/Utils/Error.h>
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#include <string.h>
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FledastyError fledasty_queue_initialize(FledastyQueue *new_queue, const size_t element_byte_size) {
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if (new_queue == NULL) {
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return FLEDASTY_ERROR_INVALID_POINTER;
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}
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new_queue->size = 0;
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new_queue->capacity = 10;
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new_queue->element_byte_size = element_byte_size;
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new_queue->buffer = (unsigned char*)hallocy_malloc(new_queue->capacity * element_byte_size);
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if (new_queue->buffer == NULL) {
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return FLEDASTY_ERROR_FAILED_ALLOCATION;
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}
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new_queue->head = 0;
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new_queue->tail = 0;
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return FLEDASTY_ERROR_NONE;
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}
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FledastyError fledasty_queue_destroy(FledastyQueue *current_queue) {
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if (current_queue == NULL) {
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return FLEDASTY_ERROR_INVALID_POINTER;
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}
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HallocyError result = hallocy_free(current_queue->buffer);
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if (result != HALLOCY_ERROR_NONE) {
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return FLEDASTY_ERROR_FAILED_ALLOCATION;
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}
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current_queue->buffer = NULL;
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return FLEDASTY_ERROR_NONE;
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}
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FledastyError fledasty_queue_push(FledastyQueue *current_queue, void *value) {
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if (current_queue == NULL || value == NULL) {
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return FLEDASTY_ERROR_INVALID_POINTER;
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}
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if (current_queue->capacity <= current_queue->size + 1) {
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current_queue->capacity = current_queue->capacity + (current_queue->capacity / 2);
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current_queue->buffer = (unsigned char*)hallocy_realloc(current_queue->buffer, current_queue->capacity * current_queue->element_byte_size);
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if (current_queue->buffer == NULL) {
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return FLEDASTY_ERROR_FAILED_ALLOCATION;
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}
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}
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hallocy_copy_memory(current_queue->buffer + (current_queue->size * current_queue->element_byte_size), value, current_queue->element_byte_size);
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current_queue->size += 1;
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return FLEDASTY_ERROR_NONE;
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} |