GRASS Programmer's Manual  6.4.1(2011)
close_nat.c
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00001 
00002 /****************************************************************************
00003 *
00004 * MODULE:       Vector library 
00005 *               
00006 * AUTHOR(S):    Original author CERL, probably Dave Gerdes or Mike Higgins.
00007 *               Update to GRASS 5.7 Radim Blazek and David D. Gray.
00008 *
00009 * PURPOSE:      Higher level functions for reading/writing/manipulating vectors.
00010 *
00011 * COPYRIGHT:    (C) 2001 by the GRASS Development Team
00012 *
00013 *               This program is free software under the GNU General Public
00014 *               License (>=v2). Read the file COPYING that comes with GRASS
00015 *               for details.
00016 *
00017 *****************************************************************************/
00018 #include <grass/Vect.h>
00019 #include <stdlib.h>
00020 
00021 /* 
00022  ** return 0 on success
00023  **        non-zero on error
00024  */
00025 int V1_close_nat(struct Map_info *Map)
00026 {
00027     struct Coor_info CInfo;
00028 
00029     G_debug(1, "V1_close_nat(): name = %s mapset= %s", Map->name,
00030             Map->mapset);
00031     if (!VECT_OPEN(Map))
00032         return 1;
00033 
00034     if (Map->mode == GV_MODE_WRITE || Map->mode == GV_MODE_RW) {
00035         Vect_coor_info(Map, &CInfo);
00036         Map->head.size = CInfo.size;
00037         dig__write_head(Map);
00038 
00039         Vect__write_head(Map);
00040         Vect_write_dblinks(Map);
00041     }
00042 
00043     /* close coor file */
00044     fclose(Map->dig_fp.file);
00045     dig_file_free(&(Map->dig_fp));
00046 
00047     return 0;
00048 }
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