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# /homes/fmmarquesmadeira/Projects/jabaws/binaries/src/ViennaRNA/lib/list.h

    00001 /*
    00002   $Log: list.h,v $
    00003   Revision 1.2  2000/10/10 08:50:01  ivo
    00004   some annotation for lclint
    00005
    00006   Revision 1.1  1997/08/04 21:05:32  walter
    00007   Initial revision
    00008
    00009 */
    00010
    00011 #ifndef __LIST_H
    00012 #define __LIST_H
    00013
    00014 /*---------------------- Macros and type definitions ----------------------*/
    00015
    00016 typedef struct LST_BUCKET {
    00017   struct LST_BUCKET *next;
    00018 }
    00019 LST_BUCKET;
    00020
    00021 typedef struct {
    00022   int count;      /* Number of elements currently in list */
    00023   LST_BUCKET *head;   /* Pointer to head element of list      */
    00024   LST_BUCKET *z;    /* Pointer to last node of list         */
    00025   LST_BUCKET hz[2];   /* Space for head and z nodes           */
    00026 }
    00027 LIST;
    00028
    00029 /* Return a pointer to the user space given the address of the header of
    00030  * a node.
    00031  */
    00032
    00033 #define LST_USERSPACE(h)  ((void*)((LST_BUCKET*)(h) + 1))
    00034
    00035 /* Return a pointer to the header of a node, given the address of the
    00036  * user space.
    00037  */
    00038
    00039 #define LST_HEADER(n)   ((LST_BUCKET*)(n) - 1)
    00040
    00041 /* Return a pointer to the user space of the list's head node. This user
    00042  * space does not actually exist, but it is useful to be able to address
    00043  * it to enable insertion at the start of the list.
    00044  */
    00045
    00046 #define LST_HEAD(l)   LST_USERSPACE((l)->head)
    00047
    00048 /* Determine if a list is empty
    00049  */
    00050
    00051 #define LST_EMPTY(l)    ((l)->count == 0)
    00052
    00053 /*-------------------------- Function Prototypes --------------------------*/
    00054
    00055 /*@only@*//*@out@*/ void *lst_newnode (int size);
    00056 void lst_freenode (/*@only@*/ void *node);
    00057 /*@only@*//*@out@*/  LIST *lst_init (void);
    00058 void lst_kill (LIST * l, void (*freeNode) ());
    00059 void lst_insertafter (LIST * l, /*@keep@*/ void *node, void *after);
    00060 void *lst_deletenext (/*@only@*/ LIST * l, void *node);
    00061 /*@dependent@*/ void *lst_first (LIST * l);
    00062 /*@dependent@*/ void *lst_next (void *prev);
    00063 void lst_mergesort (LIST * l, int (*cmp_func) ());
    00064
    00065 #endif