buffer.c File Reference

#include "navit_lfs.h"
#include <stdlib.h>
#include "maptool.h"
#include "debug.h"

Functions
void	save_buffer (char *filename, struct buffer *b, long long offset)
	Saves a buffer to a file. More...
int	load_buffer (char *filename, struct buffer *b, long long offset, long long size)
	Loads a buffer from a file. More...
long long	sizeof_buffer (char *filename)
	Determines size of buffer for file. More...

Function Documentation

load_buffer()

int load_buffer	(	char *	filename,
		struct buffer *	b,
		long long	offset,
		long long	size
	)

Loads a buffer from a file.

This function loads a buffer from a file.

Parameters

filename	The name of the while to where the buffer is loaded from.
b	Buffer in which file is loaded.
offset

Returns

indicator if operation suceeded

References buffer::base, dbg, dbg_assert, filename, lvl_warning, buffer::malloced, offset, size, and buffer::size.

Referenced by maptool_load_node_table(), osm_count_references(), and osm_resolve_coords_and_split_at_intersections().

save_buffer()

void save_buffer	(	char *	filename,
		struct buffer *	b,
		long long	offset
	)

Saves a buffer to a file.

This function saves a buffer to a file.

Parameters

filename	The name of the while to where the buffer is saved to.
b	Buffer which is saved to file.
offset

References buffer::base, dbg_assert, filename, offset, and buffer::size.

Referenced by flush_nodes(), and osm_count_references().

sizeof_buffer()

long long sizeof_buffer

(

char *

filename

)

Determines size of buffer for file.

This function determines the size of the buffer required to read a file.

Parameters

filename

Name of file for which the required size of the buffer is determined

Returns

required size of buffer

References filename.

Referenced by maptool_load_node_table().