level.c

Go to the documentation of this file.

/*!
   \file lib/vector/Vlib/level.c
 
   \brief Vector library - level info
 
   SPDX-FileCopyrightText: 2001-2009 GRASS Development Team
   SPDX-License-Identifier: GPL-2.0-or-later
 
   \author Original author CERL, probably Dave Gerdes or Mike Higgins.
   \author Update to GRASS 5.7 Radim Blazek and David D. Gray.
 */
 
#include <grass/vector.h>
#include <grass/glocale.h>
 
/*!
   \brief Returns level that Map is opened at
 
   - 1: no topology
   - 2: topology support
 
   \param Map vector map
 
   \return open level
   \return -1 on error
 */
int Vect_level(struct Map_info *Map)
{
    if (Map->open != VECT_OPEN_CODE) {
        if (Map->open != VECT_CLOSED_CODE)
            G_warning("Vect_level(): %s",
                      _("Map structure was never initialized"));
        else
            G_warning("Vect_level(): %s", _("Map structure has been closed"));
        return (-1);
    }
    return (Map->level);
}