raster/color_remove.c

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/*!
   \file lib/raster/color_remove.c
 
   \brief Raster Library - remove color table of raster map
 
   (C) 2007 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 Glynn Clements
 */
 
#include <string.h>
#include <stdio.h>
#include <grass/gis.h>
 
/*!
   \brief Remove color table of raster map
 
   \param name name of raster map
   \param mapset name of mapset
 
   \return -1 on error
   \return 0 color table not found
   \return 1 on success
 */
int Rast_remove_colors(const char *name, const char *mapset)
{
    char element[GMAPSET_MAX + 6];
    char xname[GNAME_MAX], xmapset[GMAPSET_MAX];
    int stat;
 
    if (G_name_is_fully_qualified(name, xname, xmapset)) {
        if (strcmp(xmapset, mapset) != 0)
            return -1;
        name = xname;
    }
 
    /* get rid of existing colr2, if any */
    snprintf(element, sizeof(element), "colr2/%s", mapset);
    stat = G_remove(element, name);
 
    if (strcmp(mapset, G_mapset()) == 0)
        stat = G_remove("colr", name);
 
    return stat;
}