1/* test-value.c
2 *
3 * Copyright 2002 Lutz M\uffffller <lutz@users.sourceforge.net>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA  02110-1301  USA.
19 */
20
21#include <libexif/exif-utils.h>
22#include <libexif/exif-data.h>
23
24#include <stdio.h>
25#include <stdlib.h>
26
27int
28main ()
29{
30	ExifData *d;
31	ExifEntry *e;
32	char v[1024];
33	ExifSRational r = {1., 20.};
34	unsigned int i;
35
36	d = exif_data_new ();
37	if (!d) {
38		printf ("Error running exif_data_new()\n");
39		exit(13);
40	}
41
42	e = exif_entry_new ();
43	if (!e) {
44		printf ("Error running exif_entry_new()\n");
45		exit(13);
46	}
47
48	exif_content_add_entry (d->ifd[EXIF_IFD_0], e);
49	exif_entry_initialize (e, EXIF_TAG_SHUTTER_SPEED_VALUE);
50	exif_set_srational (e->data, exif_data_get_byte_order (d), r);
51
52	for (i = 30; i > 0; i--) {
53		printf ("Length %2i: '%s'\n", i,
54			exif_entry_get_value (e, v, i));
55	}
56
57	exif_entry_unref (e);
58	exif_data_unref (d);
59
60	return 0;
61}
62