manage/list.c

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/*!
   \file lib/manage/list.c
 
   \brief Manage Library - Element info
 
   (C) 2001-2011 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 Original author CERL
 */
 
#include <grass/gis.h>
 
#include "manage_local_proto.h"
 
/*!
   \brief Get list structure
 
   \param n element id
 
   \return pointer to list structure
   \return NULL on error
 */
const struct list *M_get_list(int n)
{
    if (n >= nlist)
        return NULL;
 
    return &(list[n]);
}
 
/*!
   \brief Find element type by name
 
   \param data_type element type
 
   \return element id
   \return -1 not found
 */
int M_get_element(const char *data_type)
{
    int n;
 
    for (n = 0; n < nlist; n++) {
        if (G_strcasecmp(list[n].alias, data_type) == 0)
            return n;
    }
 
    return -1;
}