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 30int 31main () 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 if (!ed) { 43 fprintf(stderr, "Out of memory\n"); 44 exit(13); 45 } 46 47 exif_data_set_data_type (ed, EXIF_DATA_TYPE_UNCOMPRESSED_CHUNKY); 48 49 printf ("Fill EXIF data with all necessary entries to follow specs...\n"); 50 exif_data_fix (ed); 51 52 /* Add a dummy thumbnail */ 53 ed->size = 4; 54 ed->data = calloc(1, ed->size); 55 if (!ed->data) { 56 fprintf(stderr, "Out of memory\n"); 57 exif_data_unref (ed); 58 exit(13); 59 } 60 61 exif_data_dump (ed); 62 63 printf ("Saving EXIF data to memory...\n"); 64 exif_data_save_data (ed, &eb, &ebs); 65 exif_data_unref (ed); 66 67 printf ("Writing %i byte(s) EXIF data to loader...\n", ebs); 68 loader = exif_loader_new (); 69 if (!loader) { 70 fprintf(stderr, "Out of memory\n"); 71 free (eb); 72 exit(13); 73 } 74 size[0] = (unsigned char) ebs; 75 size[1] = (unsigned char) (ebs >> 8); 76 exif_loader_write (loader, size, 2); 77 for (i = 0; i < ebs && exif_loader_write (loader, eb + i, 1); i++); 78 printf ("Wrote %i byte(s).\n", i); 79 free (eb); 80 ed = exif_loader_get_data (loader); 81 if (!ed) { 82 fprintf(stderr, "Out of memory\n"); 83 exit(13); 84 } 85 exif_loader_unref (loader); 86 exif_data_dump (ed); 87 exif_data_unref (ed); 88 89 return 0; 90} 91