hist.c File Reference

Vector library - history manipulation. More...

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

Include dependency graph for hist.c:

Go to the source code of this file.

Functions
int	Vect_hist_command (struct Map_info *Map)
	Write command info to history file. More...
int	Vect_hist_write (struct Map_info *Map, const char *str)
	Write string to history file. More...
char *	Vect_hist_read (char *s, int size, struct Map_info *Map)
	Reads one line from history file without newline character. More...
void	Vect_hist_rewind (struct Map_info *Map)
	Rewind history file. More...
int	Vect_hist_copy (struct Map_info *In, struct Map_info *Out)
	Copy history from one map to another. More...

Detailed Description

Vector library - history manipulation.

Higher level functions for reading/writing/manipulating vectors.

(C) 2001-2009 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 hist.c.

Function Documentation

Vect_hist_command()

int Vect_hist_command

(

struct Map_info *

Map

)

Write command info to history file.

Parameters

Map	pointer to Map_info structure

Returns

0 on success

-1 error

Definition at line 29 of file hist.c.

References G_date(), G_debug(), G_gisdbase(), G_location(), G_mapset(), G_recreate_command(), G_whoami(), GPATH_MAX, and Vect_hist_write().

Vect_hist_copy()

int Vect_hist_copy	(	struct Map_info *	In,
		struct Map_info *	Out
	)

Copy history from one map to another.

Parameters

	In	input vector map
[out]	Out	output vector map

Returns

0 on success

-1 on error

Definition at line 131 of file hist.c.

References G_debug(), G_fseek(), G_ftell(), Map_info::hist_fp, NULL, and Vect_hist_write().

Referenced by Vect_close().

Vect_hist_read()

char* Vect_hist_read	(	char *	s,
		int	size,
		struct Map_info *	Map
	)

Reads one line from history file without newline character.

Parameters

[out]	s	buffer, allocated space must be size+1
	size	maximum number of character
	Map	vector map

Returns

return s on success

NULL on error

EOF end of file

Definition at line 90 of file hist.c.

Vect_hist_rewind()

void Vect_hist_rewind

(

struct Map_info *

Map

)

Rewind history file.

Parameters

Map	vector map

Returns

void

Definition at line 114 of file hist.c.

References G_debug(), Map_info::hist_fp, and NULL.

Vect_hist_write()

int Vect_hist_write	(	struct Map_info *	Map,
		const char *	str
	)

Write string to history file.

Parameters

Map	pointer to Map_info structure
str	string to write

Returns

the number of characters printed

-1 on error

Definition at line 65 of file hist.c.

References G_debug(), and Map_info::hist_fp.

Referenced by Vect_hist_command(), and Vect_hist_copy().