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https://github.com/Hizenberg469/Routing-Table-Manager.git
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47 lines
683 B
C
47 lines
683 B
C
#ifndef DLL_H
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#define DLL_H
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/*
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* Data Structure definations for
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* generic cicular doubly linked
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* list.
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*/
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typedef struct dll_node_ {
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void* data;
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struct dll_node_* next;
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struct dll_node_* prev;
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}dll_node_t;
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typedef struct dll_ {
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dll_node_t* head;
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dll_node_t* tail;
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}dll_t;
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/*
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* DLL API'S
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*/
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dll_t* init_dll();
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void append(dll_t* dll, void* data);
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void del(dll_t* dll, dll_node_t* node);
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void deinit_dll(dll_t* dll);
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#define ITERATE_DLL( dll, data_ptr, struct_type ) { \
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dll_node_t* c_ptr = dll->head->next; \
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while( c_ptr != dll->head ){ \
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struct_type* data_ptr = (struct_type* )c_ptr->data; \
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c_ptr = c_ptr->next;
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#define ITERATE_DLL_END() }
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#endif |