fd.c File Reference

Frame data block list implementation. More...

#include "fd.h"
#include <assert.h>
#include <stdlib.h>
#include "std2/errcode.h"

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Functions
void	FD_free (struct fd_list_s *list)
	Frees all entry nodes in the list, but does not free the list itself.
struct fd_node_s *	FD_shift (struct fd_list_s *list)
	Returns the first node in the list and removes it for consumption by the caller. The caller is responsible for freeing the returned node.
int	FD_append (struct fd_list_s *list, uint8_t *frame)
	Appends a new frame data block to the end of the list. The frame data provided is not copied, so the caller is responsible for ensuring the memory remains valid until the frame data block is freed.

Detailed Description

Frame data block list implementation.

Function Documentation

FD_append()

int FD_append	(	struct fd_list_s *	list,
		uint8_t *	frame )

Appends a new frame data block to the end of the list. The frame data provided is not copied, so the caller is responsible for ensuring the memory remains valid until the frame data block is freed.

Parameters

list	pointer to the list structure, must be non-NULL and zero initialized
frame	frame data to append

Returns

0 on success, a negative error code on failure

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FD_free()

void FD_free

(

struct fd_list_s *

list

)

Frees all entry nodes in the list, but does not free the list itself.

Parameters

list	pointer to the list structure to free

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FD_shift()

struct fd_node_s * FD_shift

(

struct fd_list_s *

list

)

Returns the first node in the list and removes it for consumption by the caller. The caller is responsible for freeing the returned node.

Parameters

list	pointer to the list structure, must be non-NULL and zero initialized

Returns

the first node in the list, or NULL if the list is empty

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