vector/diglib/update.c File Reference

Vector library - update topology (lower level functions) More...

#include <stdlib.h>
#include <grass/vector.h>

Include dependency graph for vector/diglib/update.c:

Go to the source code of this file.

Functions
void	dig_line_reset_updated (struct Plus_head *Plus)
	Reset number of updated lines. More...
void	dig_line_add_updated (struct Plus_head *Plus, int line, off_t offset)
	Add new line to updated. More...
void	dig_node_reset_updated (struct Plus_head *Plus)
	Reset number of updated nodes. More...
void	dig_node_add_updated (struct Plus_head *Plus, int node)
	Add node to updated. More...

Detailed Description

Vector library - update topology (lower level functions)

Lower level functions for reading/writing/manipulating vectors.

(C) 2001 by the GRASS Development Team

This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details.

Author

Radim Blazek

Definition in file vector/diglib/update.c.

Function Documentation

dig_line_add_updated()

void dig_line_add_updated	(	struct Plus_head *	Plus,
		int	line,
		off_t	offset
	)

Add new line to updated.

Parameters

Plus	pointer to Plus_head structure
line	line id
offset	line offset (negative offset is ignored)

Definition at line 36 of file vector/diglib/update.c.

dig_line_reset_updated()

void dig_line_reset_updated

(

struct Plus_head *

Plus

)

Reset number of updated lines.

Parameters

Plus	pointer to Plus_head structure

Definition at line 24 of file vector/diglib/update.c.

References Plus_head::n_uplines, and Plus_head::uplist.

dig_node_add_updated()

void dig_node_add_updated	(	struct Plus_head *	Plus,
		int	node
	)

Add node to updated.

Parameters

Plus	pointer to Plus_head structure
node	node id

Definition at line 85 of file vector/diglib/update.c.

References Plus_head::alloc_upnodes, G_debug(), G_realloc, Plus_head::n_upnodes, Plus_head::uplist, and Plus_head::upnodes.

dig_node_reset_updated()

void dig_node_reset_updated

(

struct Plus_head *

Plus

)

Reset number of updated nodes.

Parameters

Plus	pointer to Plus_head structure

Definition at line 74 of file vector/diglib/update.c.

References Plus_head::n_upnodes, and Plus_head::uplist.