void exif_content_fix (ExifContent *c) { ExifIfd ifd = exif_content_get_ifd (c); ExifDataType dt; ExifEntry *e; unsigned int i, num; if (!c) return; dt = exif_data_get_data_type (c->parent); /* * First of all, fix all existing entries. */ exif_content_foreach_entry (c, fix_func, NULL); /* * Go through each tag and if it's not recorded, remove it. If one * is removed, exif_content_foreach_entry() will skip the next entry, * so if this happens do the loop again from the beginning to ensure * they're all checked. This could be avoided if we stop relying on * exif_content_foreach_entry but loop intelligently here. */ do { num = c->count; exif_content_foreach_entry (c, remove_not_recorded, NULL); } while (num != c->count); /* * Then check for non-existing mandatory tags and create them if needed */ num = exif_tag_table_count(); for (i = 0; i < num; ++i) { const ExifTag t = exif_tag_table_get_tag (i); if (exif_tag_get_support_level_in_ifd (t, ifd, dt) == EXIF_SUPPORT_LEVEL_MANDATORY) { if (exif_content_get_entry (c, t)) /* This tag already exists */ continue; exif_log (c->priv->log, EXIF_LOG_CODE_DEBUG, "exif-content", "Tag '%s' is mandatory in IFD '%s' and has therefore been added.", exif_tag_get_name_in_ifd (t, ifd), exif_ifd_get_name (ifd)); e = exif_entry_new (); exif_content_add_entry (c, e); exif_entry_initialize (e, t); exif_entry_unref (e); } } }
void exif_content_fix (ExifContent *c) { ExifIfd ifd = exif_content_get_ifd (c); ExifDataType dt; ExifEntry *e; unsigned int i, num; if (!c) return; dt = exif_data_get_data_type (c->parent); exif_content_foreach_entry (c, fix_func, NULL); do { num = c->count; exif_content_foreach_entry (c, remove_not_recorded, NULL); } while (num != c->count); num = exif_tag_table_count(); for (i = 0; i < num; ++i) { const ExifTag t = exif_tag_table_get_tag (i); if (exif_tag_get_support_level_in_ifd (t, ifd, dt) == EXIF_SUPPORT_LEVEL_MANDATORY) { if (exif_content_get_entry (c, t)) continue; exif_log (c->priv->log, EXIF_LOG_CODE_DEBUG, "exif-content", "Tag '%s' is mandatory in IFD '%s' and has therefore been added.", exif_tag_get_name_in_ifd (t, ifd), exif_ifd_get_name (ifd)); e = exif_entry_new (); exif_content_add_entry (c, e); exif_entry_initialize (e, t); exif_entry_unref (e); } } }
int main (void) { int rc = 0; unsigned int i, num; ExifTag last = 0, current; num = exif_tag_table_count() - 1; for (i=0; i < num; ++i) { current = exif_tag_table_get_tag(i); if (current < last) { printf("Tag 0x%04x in ExifTagTable[] is out of order\n", current); rc = 1; } if (exif_tag_table_get_name(i) == NULL) { printf("Tag 0x%04x has a NULL name\n", current); rc = 1; } last = current; } return rc; }