release/src/router/libexif/test/test-mem.c

   1 /* test-mem.c
   2  *
   3  * Copyright © 2002 Lutz Müller <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
  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 }