84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* vec_u8.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/12/30 17:59:28 by maiboyer #+# #+# */
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/* Updated: 2023/12/30 17:59:28 by maiboyer ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "me/mem/mem_alloc_array.h"
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#include "me/mem/mem_copy.h"
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#include "me/mem/mem_set_zero.h"
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#include "me/types.h"
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#include "me/vec/vec_u8.h"
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#include <stdlib.h>
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t_error vec_u8_push_front(t_vec_u8 *vec,
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t_u8 element)
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{
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t_usize i;
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if (vec->len == 0)
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return (vec_u8_push(vec, element));
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i = vec->len - 1;
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if (vec->capacity < vec->len + 1 &&
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vec_u8_reserve(vec, 3 * vec->len / 2 + 1))
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return (ERROR);
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while (i > 0)
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{
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vec->buffer[i + 1] = vec->buffer[i];
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i--;
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}
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vec->buffer[1] = vec->buffer[0];
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vec->buffer[0] = element;
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vec->len++;
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return (NO_ERROR);
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}
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t_error vec_u8_pop_front(t_vec_u8 *vec, t_u8 *value)
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{
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t_usize i;
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if (vec->len <= 1)
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return (vec_u8_pop(vec, value));
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i = 0;
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*value = vec->buffer[0];
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vec->len--;
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while (i < vec->len)
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{
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vec->buffer[i] = vec->buffer[i + 1];
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i++;
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}
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mem_set_zero(&vec->buffer[i], sizeof(*vec->buffer));
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return (NO_ERROR);
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}
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void vec_u8_reverse(t_vec_u8 *vec)
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{
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t_u8 temporary;
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t_usize i;
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i = 0;
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while (i < vec->len / 2)
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{
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temporary = vec->buffer[vec->len - 1 - i];
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vec->buffer[vec->len - 1 - i] = vec->buffer[i];
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vec->buffer[i] = temporary;
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i++;
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}
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}
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t_error vec_u8_back(t_vec_u8 *vec, t_u8 **out)
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{
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t_u8 *temporary;
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if (out == NULL)
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out = &temporary;
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if (vec->len != 0)
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return (*out = &vec->buffer[vec->len - 1], true);
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return (false);
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}
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