289 lines
11 KiB
C
289 lines
11 KiB
C
#ifndef _CO_LIST_H_
|
|
#define _CO_LIST_H_
|
|
|
|
/**
|
|
*****************************************************************************************
|
|
* @defgroup CO_LIST List management
|
|
* @ingroup COMMON
|
|
*
|
|
* @brief List management.
|
|
*
|
|
* This module contains the list structures and handling functions.
|
|
* @{
|
|
*****************************************************************************************
|
|
*/
|
|
|
|
/*
|
|
* INCLUDE FILES
|
|
****************************************************************************************
|
|
*/
|
|
#include <stdint.h> // standard definition
|
|
#include <stdbool.h> // boolean definition
|
|
#include <stddef.h> // for NULL and size_t
|
|
#include "rwip_config.h" // stack configuration
|
|
#include "compiler.h" // for __INLINE
|
|
|
|
|
|
/*
|
|
* DEFINES
|
|
****************************************************************************************
|
|
*/
|
|
///list type
|
|
enum
|
|
{
|
|
POOL_LINKED_LIST = 0x00,
|
|
RING_LINKED_LIST,
|
|
LINK_TYPE_END
|
|
};
|
|
|
|
/// structure of a list element header
|
|
struct co_list_hdr
|
|
{
|
|
/// Pointer to next co_list_hdr
|
|
struct co_list_hdr *next;
|
|
};
|
|
|
|
/// structure of a list
|
|
struct co_list
|
|
{
|
|
/// pointer to first element of the list
|
|
struct co_list_hdr *first;
|
|
/// pointer to the last element
|
|
struct co_list_hdr *last;
|
|
|
|
#if (KE_PROFILING)
|
|
/// number of element in the list
|
|
uint32_t cnt;
|
|
/// max number of element in the list
|
|
uint32_t maxcnt;
|
|
/// min number of element in the list
|
|
uint32_t mincnt;
|
|
#endif //KE_PROFILING
|
|
};
|
|
|
|
|
|
/*
|
|
* FUNCTION DECLARATIONS
|
|
****************************************************************************************
|
|
*/
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Initialize a list to defaults values.
|
|
*
|
|
* @param list Pointer to the list structure.
|
|
****************************************************************************************
|
|
*/
|
|
void co_list_init(struct co_list *list);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Initialize a pool to default values, and initialize the relative free list.
|
|
*
|
|
* @param list Pointer to the list structure
|
|
* @param pool Pointer to the pool to be initialized
|
|
* @param elmt_size Size of one element of the pool
|
|
* @param elmt_cnt Nb of elements available in the pool
|
|
* @param default_value Pointer to the default value of each element (may be NULL)
|
|
* @param list_type Determine if the it is a ring list or not
|
|
*
|
|
****************************************************************************************
|
|
*/
|
|
void co_list_pool_init(struct co_list *list,
|
|
void *pool,
|
|
size_t elmt_size,
|
|
uint32_t elmt_cnt,
|
|
void *default_value,
|
|
uint8_t list_type);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Add an element as last on the list.
|
|
*
|
|
* @param list Pointer to the list structure
|
|
* @param list_hdr Pointer to the header to add at the end of the list
|
|
*
|
|
****************************************************************************************
|
|
*/
|
|
void co_list_push_back(struct co_list *list, struct co_list_hdr *list_hdr);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Append a sequence of elements at the end of a list.
|
|
*
|
|
* Note: the elements to append shall be linked together
|
|
*
|
|
* @param list Pointer to the list structure
|
|
* @param first_hdr Pointer to the first element to append
|
|
* @param last_hdr Pointer to the last element to append
|
|
****************************************************************************************
|
|
*/
|
|
void co_list_push_back_sublist(struct co_list *list, struct co_list_hdr *first_hdr, struct co_list_hdr *last_hdr);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Add an element as first on the list.
|
|
*
|
|
* @param list Pointer to the list structure
|
|
* @param list_hdr Pointer to the header to add at the beginning of the list
|
|
****************************************************************************************
|
|
*/
|
|
void co_list_push_front(struct co_list *list, struct co_list_hdr *list_hdr);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Extract the first element of the list.
|
|
* @param list Pointer to the list structure
|
|
* @return The pointer to the element extracted, and NULL if the list is empty.
|
|
****************************************************************************************
|
|
*/
|
|
struct co_list_hdr *co_list_pop_front(struct co_list *list);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Search for a given element in the list, and extract it if found.
|
|
*
|
|
* @param list Pointer to the list structure
|
|
* @param list_hdr Element to extract
|
|
*
|
|
* @return true if the element is found in the list, false otherwise
|
|
****************************************************************************************
|
|
*/
|
|
bool co_list_extract(struct co_list *list, struct co_list_hdr *list_hdr);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Extract an element when the previous element is known
|
|
*
|
|
* Note: the element to remove shall follow immediately the reference within the list
|
|
*
|
|
* @param list Pointer to the list structure
|
|
* @param elt_ref_hdr Pointer to the referenced element (NULL if element to extract is the first in the list)
|
|
* @param elt_to_rem_hdr Pointer to the element to be extracted
|
|
****************************************************************************************
|
|
*/
|
|
void co_list_extract_after(struct co_list *list, struct co_list_hdr *elt_ref_hdr, struct co_list_hdr *elt_to_rem_hdr);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Extract a sub-list when the previous element is known
|
|
*
|
|
* Note: the elements to remove shall be linked together and follow immediately the reference element
|
|
*
|
|
* @param[in] list Pointer to the list structure
|
|
* @param[in] ref_hdr Pointer to the referenced element (NULL if first element to extract is first in the list)
|
|
* @param[in] last_hdr Pointer to the last element to extract ()
|
|
****************************************************************************************
|
|
*/
|
|
void co_list_extract_sublist(struct co_list *list, struct co_list_hdr *ref_hdr, struct co_list_hdr *last_hdr);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Searched a given element in the list.
|
|
*
|
|
* @param list Pointer to the list structure
|
|
* @param list_hdr Pointer to the searched element
|
|
*
|
|
* @return true if the element is found in the list, false otherwise
|
|
****************************************************************************************
|
|
*/
|
|
bool co_list_find(struct co_list *list, struct co_list_hdr *list_hdr);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Merge two lists in a single one.
|
|
*
|
|
* This function appends the list pointed by list2 to the list pointed by list1. Once the
|
|
* merge is done, it empties list2.
|
|
*
|
|
* @param list1 Pointer to the destination list
|
|
* @param list2 Pointer to the list to append to list1
|
|
****************************************************************************************
|
|
*/
|
|
void co_list_merge(struct co_list *list1, struct co_list *list2);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Insert a given element in the list before the referenced element.
|
|
*
|
|
* @param list Pointer to the list structure
|
|
* @param elt_ref_hdr Pointer to the referenced element
|
|
* @param elt_to_add_hdr Pointer to the element to be inserted
|
|
*
|
|
* @return true if the element is found in the list, false otherwise
|
|
****************************************************************************************
|
|
*/
|
|
void co_list_insert_before(struct co_list *list,
|
|
struct co_list_hdr *elt_ref_hdr, struct co_list_hdr *elt_to_add_hdr);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Insert a given element in the list after the referenced element.
|
|
*
|
|
* @param list Pointer to the list structure
|
|
* @param elt_ref_hdr Pointer to the referenced element
|
|
* @param elt_to_add_hdr Pointer to the element to be inserted
|
|
*
|
|
* @return true if the element is found in the list, false otherwise
|
|
****************************************************************************************
|
|
*/
|
|
void co_list_insert_after(struct co_list *list,
|
|
struct co_list_hdr *elt_ref_hdr, struct co_list_hdr *elt_to_add_hdr);
|
|
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Count number of elements present in the list
|
|
*
|
|
* @param list Pointer to the list structure
|
|
*
|
|
* @return Number of elements present in the list
|
|
****************************************************************************************
|
|
*/
|
|
uint16_t co_list_size(struct co_list *list);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Test if the list is empty.
|
|
* @param list Pointer to the list structure.
|
|
* @return true if the list is empty, false else otherwise.
|
|
****************************************************************************************
|
|
*/
|
|
__STATIC __INLINE bool co_list_is_empty(const struct co_list *const list)
|
|
{
|
|
bool listempty;
|
|
listempty = (list->first == NULL);
|
|
return (listempty);
|
|
}
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Pick the first element from the list without removing it.
|
|
*
|
|
* @param list Pointer to the list structure.
|
|
*
|
|
* @return First element address. Returns NULL pointer if the list is empty.
|
|
****************************************************************************************
|
|
*/
|
|
__STATIC __INLINE struct co_list_hdr *co_list_pick(const struct co_list *const list)
|
|
{
|
|
return(list->first);
|
|
}
|
|
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Return following element of a list element.
|
|
*
|
|
* @param list_hdr Pointer to the list element.
|
|
*
|
|
* @return The pointer to the next element.
|
|
****************************************************************************************
|
|
*/
|
|
__STATIC __INLINE struct co_list_hdr *co_list_next(const struct co_list_hdr *const list_hdr)
|
|
{
|
|
return(list_hdr->next);
|
|
}
|
|
|
|
/// @} CO_LIST
|
|
#endif // _CO_LIST_H_
|