New API call iso_write_opts_set_scdbackup_tag()

libisoburn/isoburn.h

@@ -471,6 +471,18 @@ struct isoburn_imgen_opts {
         If >=16: Valid block number. Block size is always 2 KiB.
     */
     int data_start_lba;
+
+    /**
+     * If not empty: Parameters "name" and "timestamp" for a scdbackup stream
+     * checksum tag. See scdbackup/README appendix VERIFY.
+     * It makes sense only for single session images which start at LBA 0.
+     * Such a tag may be part of a libisofs checksum tag block after the
+     * session tag line. It then covers the whole session up to its own start
+     * position.
+     */
+    char scdbackup_tag_name[81];
+    char scdbackup_tag_time[19];
+
 };