Loading...
Searching...
No Matches
create.c
Go to the documentation of this file.
#include <stdio.h>
#include <stdlib.h>
#include <grass/btree.h>
int btree_create(BTREE *B, int (*cmp)(const void *, const void *), int incr)
{
if (incr <= 0)
incr = 1;
B->N = 0;
B->cur = 0;
B->tlen = B->incr = incr;
/* must have at least 2 nodes, since node[0] is never used */
if (B->tlen == 1)
B->tlen = 2;
B->cmp = cmp;
B->node = (BTREE_NODE *)malloc(B->tlen * sizeof(BTREE_NODE));
if (B->node == NULL)
return 0;
return 1;
}
NULL
#define NULL
Definition ccmath.h:32
btree_create
int btree_create(BTREE *B, int(*cmp)(const void *, const void *), int incr)
Definition create.c:5