1 /* test-mem.c
2  *
3  * Copyright (c) 2002 Lutz Mueller <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 <config.h>
22 
23 #include <libexif/exif-data.h>
24 #include <libexif/exif-ifd.h>
25 #include <libexif/exif-loader.h>
26 
27 #include <stdio.h>
28 #include <stdlib.h>
29 
30 int
main()31 main ()
32 {
33 	ExifData *ed;
34 	/* ExifEntry *e; */
35 	unsigned char *eb, size[2];
36 	unsigned int ebs;
37 	ExifLoader *loader;
38 	unsigned int i;
39 
40 	printf ("Creating EXIF data...\n");
41 	ed = exif_data_new ();
42 	exif_data_set_data_type (ed, EXIF_DATA_TYPE_UNCOMPRESSED_CHUNKY);
43 
44 	printf ("Fill EXIF data with all necessary entries to follow specs...\n");
45 	exif_data_fix (ed);
46 
47 	exif_data_dump (ed);
48 
49 	printf ("Saving EXIF data to memory...\n");
50 	exif_data_save_data (ed, &eb, &ebs);
51 	exif_data_unref (ed);
52 
53 	printf ("Writing %i byte(s) EXIF data to loader...\n", ebs);
54 	loader = exif_loader_new ();
55 	size[0] = (unsigned char) ebs;
56 	size[1] = (unsigned char) (ebs >> 8);
57 	exif_loader_write (loader, size, 2);
58 	for (i = 0; i < ebs && exif_loader_write (loader, eb + i, 1); i++);
59 	printf ("Wrote %i byte(s).\n", i);
60 	free (eb);
61 	ed = exif_loader_get_data (loader);
62 	exif_loader_unref (loader);
63 	exif_data_dump (ed);
64 	exif_data_unref (ed);
65 
66 	return 0;
67 }
68