io.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <assert.h>
#include <errno.h>
#include <grass/gis.h>
#include "index.h"

Include dependency graph for io.c:

Go to the source code of this file.

Functions
void	RTreeAddNodePos (off_t pos, int level, struct RTree *t)
off_t	RTreeGetNodePos (struct RTree *t)
size_t	RTreeReadBranch (struct RTree_Branch *b, struct RTree *t)
size_t	RTreeReadNode (struct RTree_Node *n, off_t nodepos, struct RTree *t)
struct RTree_Node *	RTreeGetNode (off_t nodepos, int level, struct RTree *t)
size_t	RTreeWriteBranch (struct RTree_Branch *b, struct RTree *t)
size_t	RTreeWriteNode (struct RTree_Node *n, struct RTree *t)
size_t	RTreeRewriteNode (struct RTree_Node *n, off_t nodepos, struct RTree *t)
void	RTreeNodeChanged (struct RTree_Node *n, off_t nodepos, struct RTree *t)
void	RTreeFlushBuffer (struct RTree *t)

Function Documentation

RTreeAddNodePos()

void RTreeAddNodePos	(	off_t	pos,
		int	level,
		struct RTree *	t
	)

Definition at line 31 of file io.c.

References assert, NODE_BUFFER_SIZE, and t.

RTreeFlushBuffer()

void RTreeFlushBuffer

(

struct RTree *

t

)

Definition at line 233 of file io.c.

References NODE_BUFFER_SIZE, RTreeRewriteNode(), and t.

RTreeGetNode()

struct RTree_Node* RTreeGetNode	(	off_t	nodepos,
		int	level,
		struct RTree *	t
	)

Definition at line 111 of file io.c.

References RTree_Node::level, NODE_BUFFER_SIZE, RTreeReadNode(), RTreeRewriteNode(), and t.

RTreeGetNodePos()

off_t RTreeGetNodePos

(

struct RTree *

t

)

Definition at line 71 of file io.c.

References t.

RTreeNodeChanged()

void RTreeNodeChanged	(	struct RTree_Node *	n,
		off_t	nodepos,
		struct RTree *	t
	)

Definition at line 201 of file io.c.

References assert, RTree_Node::level, NODE_BUFFER_SIZE, and t.

RTreeReadBranch()

size_t RTreeReadBranch	(	struct RTree_Branch *	b,
		struct RTree *	t
	)

Definition at line 83 of file io.c.

References b, read, and t.

Referenced by RTreeReadNode().

RTreeReadNode()

size_t RTreeReadNode	(	struct RTree_Node *	n,
		off_t	nodepos,
		struct RTree *	t
	)

Definition at line 94 of file io.c.

References RTree_Node::branch, RTree_Node::count, RTree_Node::level, MAXCARD, read, RTreeReadBranch(), and t.

Referenced by RTreeGetNode().

RTreeRewriteNode()

size_t RTreeRewriteNode	(	struct RTree_Node *	n,
		off_t	nodepos,
		struct RTree *	t
	)

Definition at line 193 of file io.c.

References RTreeWriteNode(), and t.

Referenced by RTreeFlushBuffer(), and RTreeGetNode().

RTreeWriteBranch()

size_t RTreeWriteBranch	(	struct RTree_Branch *	b,
		struct RTree *	t
	)

Definition at line 152 of file io.c.

References b, G_fatal_error(), t, and write.

Referenced by RTreeWriteNode().

RTreeWriteNode()

size_t RTreeWriteNode	(	struct RTree_Node *	n,
		struct RTree *	t
	)

Definition at line 170 of file io.c.

References RTree_Node::branch, RTree_Node::count, G_fatal_error(), RTree_Node::level, MAXCARD, RTreeWriteBranch(), t, and write.

Referenced by RTreeCreateTree(), and RTreeRewriteNode().