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61 lines
1.6 KiB
61 lines
1.6 KiB
#ifndef _WLR_UTIL_LIST_H
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#define _WLR_UTIL_LIST_H
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#include <stddef.h>
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typedef struct {
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size_t capacity;
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size_t length;
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void **items;
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} list_t;
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/**
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* Creates a new list, may return `NULL` on failure
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*/
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list_t *list_create(void);
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void list_free(list_t *list);
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void list_foreach(list_t *list, void (*callback)(void *item));
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/**
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* Add `item` to the end of a list.
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* Returns: new list length or `-1` on failure
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*/
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int list_add(list_t *list, void *item);
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/**
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* Add `item` to the end of a list.
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* Returns: new list length or `-1` on failure
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*/
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int list_push(list_t *list, void *item);
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/**
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* Place `item` into index `index` in the list
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* Returns: new list length or `-1` on failure
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*/
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int list_insert(list_t *list, size_t index, void *item);
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/**
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* Remove an item from the list
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*/
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void list_del(list_t *list, size_t index);
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/**
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* Remove and return an item from the end of the list
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*/
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void *list_pop(list_t *list);
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/**
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* Get a reference to the last item of a list without removal
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*/
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void *list_peek(list_t *list);
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/**
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* Append each item in `source` to `list`
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* Does not modify `source`
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* Returns: new list length or `-1` on failure
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*/
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int list_cat(list_t *list, list_t *source);
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// See qsort. Remember to use *_qsort functions as compare functions,
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// because they dereference the left and right arguments first!
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void list_qsort(list_t *list, int compare(const void *left, const void *right));
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// Return index for first item in list that returns 0 for given compare
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// function or -1 if none matches.
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int list_seq_find(list_t *list,
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int compare(const void *item, const void *cmp_to),
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const void *cmp_to);
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#endif
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