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/* ISC license. */
#include <skalibs/avlnode.h>
struct avlnode_iter_s
{
avlnode const *s ;
unsigned int max ;
unsigned int cut ;
avliterfunc_t_ref f ;
void *p ;
} ;
static unsigned int avlnode_iter_rec (struct avlnode_iter_s const *blah, unsigned int r, unsigned int h)
{
if (r >= blah->max) return blah->max ;
{
unsigned int res = avlnode_iter_rec(blah, blah->s[r].child[0], h+1) ;
if (res != blah->max) return res ;
}
if (r == blah->cut) return blah->max ;
if (!(*blah->f)(blah->s[r].data, h, blah->p)) return r ;
return avlnode_iter_rec(blah, blah->s[r].child[1], h+1) ;
}
unsigned int avlnode_iter_nocancel (avlnode *s, unsigned int max, unsigned int cut, unsigned int r, avliterfunc_t_ref f, void *p)
{
struct avlnode_iter_s blah = { .s = s, .max = max, .cut = cut, .f = f, .p = p } ;
return avlnode_iter_rec(&blah, r, 0) ;
}
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