23 lines
710 B
C++
23 lines
710 B
C++
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/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 01.03.2016
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*
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* generic dynamically linked list
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*
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*/
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// NOTE(allen): These macros are setup to work on structs
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// with a next and prev pointer where the type of the struct
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// is the same as the type of the next/prev pointers.
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#define dll_init_sentinel(s) do{ (s)->next=(s); (s)->prev=(s); }while(0)
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#define dll_insert(p,v) do{ (v)->next=(p)->next; (v)->prev=(p); (p)->next=(v); (v)->next->prev=(v); }while(0)
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#define dll_remove(v) do{ (v)->next->prev = (v)->prev; (v)->prev->next = (v)->next; }while(0)
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// for(dll_items(iterator, sentinel_ptr)){...}
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#define dll_items(it, st) ((it) = (st)->next); ((it) != (st)); ((it) = (it)->next)
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// BOTTOM
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