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/* Copyright © 2021 Upqwerk
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the “Software”), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
* */
/* Stack implementation
* Author: Upqwerk
*/
#ifndef STACK_H
#define STACK_H
#include "types.h"
typedef struct {
isize head; /* current number of elements */
const usize elem_size; /* size in bytes of each element */
usize size; /* current memory size used by the stack */
const usize chunk_size; /* size of which the stack increases when running out
of mem */
void* data; /* memory buffer */
} Stack;
Stack stack_new_ex(const usize element_size, const usize size);
Stack stack_new(const usize element_size);
void stack_free(Stack* s);
void* stack_pop(Stack* s);
void stack_push(Stack* s, void* elem);
void* stack_peek(Stack* s);
isize stack_size(const Stack* s);
void stack_swap(Stack* s, Stack* t);
#endif
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