Added linkedlist and reverse for_each
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Leonardo committed
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@@ -20,3 +20,17 @@
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BODY; \
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} \
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} while (0);
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#define FOR_EACH_REV(PFX, SNAME, K, T, TARGET, BODY) \
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do \
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{ \
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size_t index; \
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T var; \
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SNAME##_iter iter; \
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PFX##_iter(&iter, TARGET); \
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PFX##_iter_toend(&iter); \
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while (PFX##_iter_prev(&iter, &var, &index)) \
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{ \
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BODY; \
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} \
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} while (0);
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@@ -0,0 +1,428 @@
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/**
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* linkedlist.h
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*
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* Last Update: 22/03/2019
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*
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* Authors:
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* Leonardo Vencovsky (https://github.com/LeoVen)
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*
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*/
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/*****************************************************************************/
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/**************************************************************** LINKEDLIST */
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/*****************************************************************************/
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#ifndef CMC_LINKEDLIST_H
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#define CMC_LINKEDLIST_H
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#include <stdlib.h>
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#include <stdbool.h>
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#include <stdint.h>
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/* PRIVATE *******************************************************************/
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#define LINKEDLIST_GENERATE_HEADER_PRIVATE(PFX, SNAME, FMOD, K, T) \
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LINKEDLIST_GENERATE_HEADER(PFX, SNAME, FMOD, K, T)
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#define LINKEDLIST_GENERATE_SOURCE_PRIVATE(PFX, SNAME, FMOD, K, T) \
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LINKEDLIST_GENERATE_STRUCT(PFX, SNAME, FMOD, K, T) \
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LINKEDLIST_GENERATE_SOURCE(PFX, SNAME, FMOD, K, T)
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/* PUBLIC ********************************************************************/
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#define LINKEDLIST_GENERATE_HEADER_PUBLIC(PFX, SNAME, FMOD, K, T) \
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LINKEDLIST_GENERATE_STRUCT(PFX, SNAME, FMOD, K, T) \
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LINKEDLIST_GENERATE_HEADER(PFX, SNAME, FMOD, K, T)
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#define LINKEDLIST_GENERATE_SOURCE_PUBLIC(PFX, SNAME, FMOD, K, T) \
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LINKEDLIST_GENERATE_SOURCE(PFX, SNAME, FMOD, K, T)
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/* STRUCT ********************************************************************/
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#define LINKEDLIST_GENERATE_STRUCT(PFX, SNAME, FMOD, K, T) \
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\
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struct SNAME##_s \
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{ \
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struct SNAME##_node_s *head; \
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struct SNAME##_node_s *tail; \
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size_t count; \
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}; \
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\
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struct SNAME##_node_s \
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{ \
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struct SNAME##_node_s *next; \
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struct SNAME##_node_s *prev; \
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T data; \
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}; \
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\
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struct SNAME##_iter_s \
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{ \
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struct SNAME##_s *target; \
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struct SNAME##_node_s *cursor; \
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intmax_t count; \
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}; \
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\
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/* HEADER ********************************************************************/
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#define LINKEDLIST_GENERATE_HEADER(PFX, SNAME, FMOD, K, T) \
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\
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typedef struct SNAME##_s SNAME; \
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typedef struct SNAME##_node_s SNAME##_node; \
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typedef struct SNAME##_iter_s SNAME##_iter; \
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\
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FMOD SNAME *PFX##_new(void); \
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FMOD void PFX##_free(SNAME *_list_); \
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FMOD bool PFX##_push_front(SNAME *_list_, T element); \
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FMOD bool PFX##_push(SNAME *_list_, T element, size_t index); \
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FMOD bool PFX##_push_back(SNAME *_list_, T element); \
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FMOD bool PFX##_pop_front(SNAME *_list_); \
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FMOD bool PFX##_pop(SNAME *_list_, size_t index); \
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FMOD bool PFX##_pop_back(SNAME *_list_); \
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FMOD bool PFX##_insert_if(SNAME *_list_, T element, size_t index, bool condition); \
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FMOD bool PFX##_remove_if(SNAME *_list_, size_t index, bool condition); \
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FMOD T PFX##_back(SNAME *_list_); \
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FMOD T PFX##_get(SNAME *_list_, size_t index); \
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FMOD T PFX##_front(SNAME *_list_); \
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FMOD bool PFX##_empty(SNAME *_list_); \
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FMOD size_t PFX##_count(SNAME *_list_); \
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\
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FMOD void PFX##_iter(SNAME##_iter *iter, SNAME *target); \
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FMOD bool PFX##_iter_start(SNAME##_iter *iter); \
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FMOD bool PFX##_iter_end(SNAME##_iter *iter); \
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FMOD void PFX##_iter_tostart(SNAME##_iter *iter); \
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FMOD void PFX##_iter_toend(SNAME##_iter *iter); \
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FMOD bool PFX##_iter_next(SNAME##_iter *iter, T *result, size_t *index); \
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FMOD bool PFX##_iter_prev(SNAME##_iter *iter, T *result, size_t *index); \
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\
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/* SOURCE ********************************************************************/
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#define LINKEDLIST_GENERATE_SOURCE(PFX, SNAME, FMOD, K, T) \
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\
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FMOD SNAME##_node *PFX##_new_node(T element); \
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FMOD SNAME##_node *PFX##_get_node(SNAME *_list_, size_t index); \
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\
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FMOD SNAME *PFX##_new(void) \
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{ \
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SNAME *_list_ = malloc(sizeof(SNAME)); \
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\
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if (!_list_) \
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return NULL; \
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\
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_list_->count = 0; \
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_list_->head = NULL; \
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_list_->tail = NULL; \
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\
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return _list_; \
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} \
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\
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FMOD void PFX##_free(SNAME *_list_) \
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{ \
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SNAME##_node *scan = _list_->head; \
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while (_list_->head != NULL) \
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{ \
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_list_->head = _list_->head->next; \
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free(scan); \
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scan = _list_->head; \
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} \
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free(_list_); \
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} \
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\
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FMOD bool PFX##_push_front(SNAME *_list_, T element) \
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{ \
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SNAME##_node *node = PFX##_new_node(element); \
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\
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if (!node) \
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return false; \
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\
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if (PFX##_empty(_list_)) \
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{ \
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_list_->head = node; \
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_list_->tail = node; \
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} \
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else \
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{ \
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node->next = _list_->head; \
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_list_->head->prev = node; \
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_list_->head = node; \
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} \
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\
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_list_->count++; \
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\
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return true; \
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} \
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\
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FMOD bool PFX##_push(SNAME *_list_, T element, size_t index) \
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{ \
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if (index > _list_->count) \
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return false; \
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\
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if (index == 0) \
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{ \
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return PFX##_push_front(_list_, element); \
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} \
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else if (index == _list_->count) \
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{ \
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return PFX##_push_back(_list_, element); \
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} \
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\
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SNAME##_node *node = PFX##_new_node(element); \
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\
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if (!node) \
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return false; \
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\
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SNAME##_node *scan = PFX##_get_node(_list_, index - 1); \
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\
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node->next = scan->next; \
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node->prev = scan; \
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node->next->prev = node; \
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node->prev->next = node; \
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\
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_list_->count++; \
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\
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return true; \
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} \
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\
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FMOD bool PFX##_push_back(SNAME *_list_, T element) \
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{ \
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SNAME##_node *node = PFX##_new_node(element); \
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\
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if (!node) \
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return false; \
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\
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if (PFX##_empty(_list_)) \
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{ \
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_list_->head = node; \
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_list_->tail = node; \
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} \
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else \
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{ \
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node->prev = _list_->tail; \
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_list_->tail->next = node; \
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_list_->tail = node; \
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} \
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\
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_list_->count++; \
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\
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return true; \
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} \
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\
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FMOD bool PFX##_pop_front(SNAME *_list_) \
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{ \
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if (PFX##_empty(_list_)) \
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return false; \
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\
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SNAME##_node *node = _list_->head; \
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_list_->head = _list_->head->next; \
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\
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free(node); \
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\
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if (_list_->head == NULL) \
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_list_->tail = NULL; \
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else \
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_list_->head->prev = NULL; \
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\
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_list_->count--; \
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\
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return true; \
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} \
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\
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FMOD bool PFX##_pop(SNAME *_list_, size_t index) \
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{ \
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if (PFX##_empty(_list_)) \
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return false; \
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\
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if (index == 0) \
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{ \
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return PFX##_pop_front(_list_); \
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} \
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else if (index == _list_->count - 1) \
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{ \
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return PFX##_pop_back(_list_); \
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} \
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\
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SNAME##_node *node = PFX##_get_node(_list_, index); \
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\
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if (!node) \
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return false; \
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\
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node->next->prev = node->prev; \
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node->prev->next = node->next; \
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\
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free(node); \
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\
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_list_->count--; \
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\
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return true; \
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} \
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\
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FMOD bool PFX##_pop_back(SNAME *_list_) \
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{ \
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if (PFX##_empty(_list_)) \
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return false; \
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\
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SNAME##_node *node = _list_->tail; \
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_list_->tail = _list_->tail->prev; \
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\
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free(node); \
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\
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if (_list_->tail == NULL) \
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_list_->head = NULL; \
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else \
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_list_->tail->next = NULL; \
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\
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_list_->count--; \
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\
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return true; \
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} \
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\
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FMOD bool PFX##_insert_if(SNAME *_list_, T element, size_t index, bool condition) \
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{ \
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if (condition) \
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return PFX##_push(_list_, element, index); \
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\
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return false; \
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} \
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\
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FMOD bool PFX##_remove_if(SNAME *_list_, size_t index, bool condition) \
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{ \
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if (condition) \
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return PFX##_pop(_list_, index); \
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\
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return false; \
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} \
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\
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FMOD T PFX##_front(SNAME *_list_) \
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{ \
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if (PFX##_empty(_list_)) \
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return 0; \
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\
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return _list_->head->data; \
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} \
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\
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FMOD T PFX##_get(SNAME *_list_, size_t index) \
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{ \
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if (index >= _list_->count) \
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return 0; \
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\
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if (PFX##_empty(_list_)) \
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return 0; \
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\
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SNAME##_node *scan = PFX##_get_node(_list_, index); \
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\
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if (scan == NULL) \
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return 0; \
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\
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return scan->data; \
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} \
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\
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FMOD T PFX##_back(SNAME *_list_) \
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{ \
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if (PFX##_empty(_list_)) \
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return 0; \
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\
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return _list_->tail->data; \
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} \
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\
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FMOD bool PFX##_empty(SNAME *_list_) \
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{ \
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return _list_->count == 0; \
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} \
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\
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FMOD size_t PFX##_count(SNAME *_list_) \
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{ \
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return _list_->count; \
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} \
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\
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FMOD SNAME##_node *PFX##_new_node(T element) \
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{ \
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SNAME##_node *node = malloc(sizeof(SNAME##_node)); \
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\
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if (!node) \
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return NULL; \
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\
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node->data = element; \
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node->next = NULL; \
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node->prev = NULL; \
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\
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return node; \
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} \
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\
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FMOD SNAME##_node *PFX##_get_node(SNAME *_list_, size_t index) \
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{ \
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if (index >= _list_->count) \
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return NULL; \
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\
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if (PFX##_empty(_list_)) \
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return NULL; \
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\
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SNAME##_node *scan = NULL; \
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\
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if (index <= _list_->count / 2) \
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{ \
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scan = _list_->head; \
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for (size_t i = 0; i < index; i++) \
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{ \
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scan = scan->next; \
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} \
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} \
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else \
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{ \
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scan = _list_->tail; \
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for (size_t i = _list_->count - 1; i > index; i--) \
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{ \
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scan = scan->prev; \
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} \
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} \
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\
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return scan; \
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} \
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\
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FMOD void PFX##_iter(SNAME##_iter *iter, SNAME *target) \
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{ \
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iter->target = target; \
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iter->cursor = target->head; \
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iter->count = -1; \
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} \
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\
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FMOD bool PFX##_iter_start(SNAME##_iter *iter) \
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{ \
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return iter->count < 0; \
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} \
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\
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FMOD bool PFX##_iter_end(SNAME##_iter *iter) \
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{ \
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return iter->count == iter->target->count; \
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} \
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\
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FMOD void PFX##_iter_tostart(SNAME##_iter *iter) \
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{ \
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iter->cursor = iter->target->head; \
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iter->count = 0; \
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} \
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\
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FMOD void PFX##_iter_toend(SNAME##_iter *iter) \
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{ \
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iter->cursor = iter->target->tail; \
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iter->count = iter->target->count - 1; \
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} \
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\
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FMOD bool PFX##_iter_next(SNAME##_iter *iter, T *result, size_t *index) \
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{ \
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if (PFX##_iter_start(iter)) \
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PFX##_iter_tostart(iter); \
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if (PFX##_iter_end(iter)) \
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return false; \
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\
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*index = iter->count++; \
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*result = iter->cursor->data; \
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iter->cursor = iter->cursor->next; \
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\
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return true; \
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} \
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\
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FMOD bool PFX##_iter_prev(SNAME##_iter *iter, T *result, size_t *index) \
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{ \
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if (PFX##_iter_end(iter)) \
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PFX##_iter_toend(iter); \
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if (PFX##_iter_start(iter)) \
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return false; \
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\
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*index = iter->count--; \
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*result = iter->cursor->data; \
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iter->cursor = iter->cursor->prev; \
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\
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return true; \
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}
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#endif /* CMC_LINKEDLIST_H */
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@@ -33,6 +33,7 @@
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(PFX, SNAME, FMOD, K, V)
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#include "list.h"
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#include "linkedlist.h"
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#include "stack.h"
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#include "queue.h"
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#include "deque.h"
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