GRASS GIS 7 Programmer's Manual  7.5.svn(2018)-r72090
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overwrite.c File Reference

GIS Library - Check for overwrite. More...

#include <stdlib.h>
#include <string.h>
#include <grass/gis.h>
Include dependency graph for overwrite.c:

Go to the source code of this file.

Functions

int G_check_overwrite (int argc, char **argv)
 Check for overwrite mode. More...
 

Detailed Description

GIS Library - Check for overwrite.

(C) 2001-2008, 2010 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
GRASS GIS Development Team, Martin Landa <landa.martin gmail.com>

Definition in file overwrite.c.

Function Documentation

int G_check_overwrite ( int  argc,
char **  argv 
)

Check for overwrite mode.

Check variables OVERWRITE, GRASS_OVERWRITE and '–o' flag.

The parser G_parser() checks if the map already exists in current mapset, we can switch out the check and do it in the module after the parser.

Parameters
argcnumber of arguments
argvarray of arguments
Returns
1 if overwrite
0 if not overwrite

Definition at line 34 of file overwrite.c.

References G_getenv_nofatal(), G_setenv_nogisrc(), and getenv().