GRASS Programmer's Manual
6.4.3(2013)-r
Main Page
Related Pages
Namespaces
Data Structures
Files
File List
Globals
All
Data Structures
Namespaces
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Properties
Macros
Pages
create.c
Go to the documentation of this file.
1
#include <stdio.h>
2
#include <stdlib.h>
3
#include <grass/btree.h>
4
5
int
btree_create
(BTREE * B,
int
(*cmp) (
const
void
*,
const
void
*),
int
incr)
6
{
7
if
(incr <= 0)
8
incr = 1;
9
10
B->N = 0;
11
B->cur = 0;
12
B->tlen = B->incr = incr;
13
14
/* must have at least 2 nodes, since node[0] is never used */
15
if
(B->tlen == 1)
16
B->tlen = 2;
17
18
B->cmp = cmp;
19
B->node = (BTREE_NODE *) malloc(B->tlen *
sizeof
(BTREE_NODE));
20
if
(B->node ==
NULL
)
21
return
0;
22
return
1;
23
}
lib
btree
create.c
Generated on Sat Oct 5 2013 12:11:06 for GRASS Programmer's Manual by
1.8.4