25 lines
689 B
C
25 lines
689 B
C
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/* doubley linked lists */
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/* This is free software. No strings attached. No copyright claimed */
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struct __dl_head
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{
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void * dh_prev;
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void * dh_next;
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};
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#define dl_alloc(size) ((void*)(((char*)xcalloc(1,(size)+sizeof(struct __dl_head)))+sizeof(struct __dl_head)))
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#define dl_new(t) ((t*)dl_alloc(sizeof(t)))
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#define dl_newv(t,n) ((t*)dl_alloc(sizeof(t)*n))
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#define dl_next(p) *(&(((struct __dl_head*)(p))[-1].dh_next))
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#define dl_prev(p) *(&(((struct __dl_head*)(p))[-1].dh_prev))
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void *dl_head(void);
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char *dl_strdup(char *);
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char *dl_strndup(char *, int);
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void dl_insert(void*, void*);
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void dl_add(void*, void*);
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void dl_del(void*);
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void dl_free(void*);
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void dl_init(void*);
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