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/*****************************************************************************
*
* MODULE: Vector library
*
* AUTHOR(S): Radim Blazek, Piero Cavalieri
*
* PURPOSE: Higher level functions for reading/writing/manipulating vectors.
*
* COPYRIGHT: (C) 2001 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.
*
*****************************************************************************/
#include <grass/Vect.h>
#include <stdlib.h>
#ifdef HAVE_OGR
#include <ogr_api.h>
/*
** return 0 on success
** non-zero on error
*/
int V1_close_ogr(struct Map_info *Map)
{
int i;
if (!VECT_OPEN(Map))
return -1;
if (Map->mode == GV_MODE_WRITE || Map->mode == GV_MODE_RW)
Vect__write_head(Map);
if (Map->fInfo.ogr.feature_cache)
OGR_F_Destroy(Map->fInfo.ogr.feature_cache);
OGR_DS_Destroy(Map->fInfo.ogr.ds);
for (i = 0; i < Map->fInfo.ogr.lines_alloc; i++) {
Vect_destroy_line_struct(Map->fInfo.ogr.lines[i]);
}
free(Map->fInfo.ogr.lines);
free(Map->fInfo.ogr.lines_types);
free(Map->fInfo.ogr.dsn);
free(Map->fInfo.ogr.layer_name);
return 0;
}
/*
* Write OGR specific files (fidx)
*
* return 0 on success
* non-zero on error
*/
int V2_close_ogr(struct Map_info *Map)
{
char fname[1000], elem[1000];
char buf[5];
long length = 9;
GVFILE fp;
struct Port_info port;
G_debug(3, "V2_close_ogr()");
if (!VECT_OPEN(Map))
return -1;
if (strcmp(Map->mapset, G_mapset()) == 0 && Map->support_updated &&
Map->plus.built == GV_BUILD_ALL) {
sprintf(elem, "%s/%s", GRASS_VECT_DIRECTORY, Map->name);
G__file_name(fname, elem, "fidx", Map->mapset);
G_debug(4, "Open fidx: %s", fname);
dig_file_init(&fp);
fp.file = fopen(fname, "w");
if (fp.file == NULL) {
G_warning("Can't open fidx file for write: %s\n", fname);
return 1;
}
dig_init_portable(&port, dig__byte_order_out());
dig_set_cur_port(&port);
/* Header */
/* bytes 1 - 5 */
buf[0] = 5;
buf[1] = 0;
buf[2] = 5;
buf[3] = 0;
buf[4] = (char)dig__byte_order_out();
if (0 >= dig__fwrite_port_C(buf, 5, &fp))
return (1);
/* bytes 6 - 9 : header size */
if (0 >= dig__fwrite_port_L(&length, 1, &fp))
return (1);
/* Body */
/* number of records */
if (0 >= dig__fwrite_port_I(&(Map->fInfo.ogr.offset_num), 1, &fp))
return (1);
/* offsets */
if (0 >= dig__fwrite_port_I(Map->fInfo.ogr.offset,
Map->fInfo.ogr.offset_num, &fp))
return (1);
fclose(fp.file);
}
free(Map->fInfo.ogr.offset);
return 0;
}
#endif
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