eimreirrew
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e1d5ba22cf
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@ -1,8 +1,7 @@
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#include "list_ops.h"
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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list_t *new_list(size_t length, list_element_t elements[]) {
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list_t *newList = (list_t *)malloc(sizeof(list_t) + length * sizeof(list_element_t));
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@ -29,7 +28,6 @@ list_t *append_list(list_t *list1, list_t *list2) {
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combinedList->length = list1->length + list2->length;
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memcpy(combinedList->elements, list1->elements, list1->length * sizeof(list_element_t));
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memcpy(combinedList->elements + list1->length, list2->elements, list2->length * sizeof(list_element_t));
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return combinedList;
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@ -40,7 +38,7 @@ list_t *filter_list(list_t *list, bool (*filter)(list_element_t)) {
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return NULL;
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}
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list_t *filteredList = (list_t *)malloc(sizeof(list_t) + list->length * sizeof(list_element_t));
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list_t *filteredList = (list_t *)malloc(sizeof(list_t));
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if (filteredList == NULL) {
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return NULL;
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}
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@ -54,7 +52,11 @@ list_t *filter_list(list_t *list, bool (*filter)(list_element_t)) {
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filteredList->length = count;
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memcpy(filteredList->elements, list->elements, count * sizeof(list_element_t));
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filteredList->elements = (list_element_t *)malloc(count * sizeof(list_element_t));
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if (filteredList->elements == NULL) {
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free(filteredList);
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return NULL;
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}
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size_t filteredIndex = 0;
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for (size_t i = 0; i < list->length; ++i) {
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@ -73,6 +75,31 @@ size_t length_list(list_t *list) {
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return list->length;
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}
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list_t *map_list(list_t *list, list_element_t (*map)(list_element_t)) {
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if (list == NULL || map == NULL) {
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return NULL;
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}
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list_t *mappedList = (list_t *)malloc(sizeof(list_t) + list->length * sizeof(list_element_t));
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if (mappedList == NULL) {
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return NULL;
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}
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mappedList->length = list->length;
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mappedList->elements = (list_element_t *)malloc(list->length * sizeof(list_element_t));
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if (mappedList->elements == NULL) {
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free(mappedList);
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return NULL;
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}
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for (size_t i = 0; i < list->length; ++i) {
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mappedList->elements[i] = map(list->elements[i]);
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}
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return mappedList;
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}
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list_element_t foldl_list(list_t *list, list_element_t initial, list_element_t (*foldl)(list_element_t, list_element_t)) {
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if (list == NULL) {
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return initial;
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@ -113,6 +140,12 @@ list_t *reverse_list(list_t *list) {
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reversedList->length = list->length;
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reversedList->elements = (list_element_t *)malloc(list->length * sizeof(list_element_t));
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if (reversedList->elements == NULL) {
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free(reversedList);
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return NULL;
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}
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for (size_t i = 0; i < list->length; ++i) {
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reversedList->elements[i] = list->elements[list->length - i - 1];
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}
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@ -122,6 +155,7 @@ list_t *reverse_list(list_t *list) {
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void delete_list(list_t *list) {
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if (list != NULL) {
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free(list->elements);
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free(list);
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}
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}
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