From 72ac8a4ab1b6413a3fce00193586da05d763ffa9 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Thu, 17 Sep 2009 14:43:54 +0000
Subject: [PATCH] Expanded new API call isoburn_igopt_set_scdbackup_tag

---
 libisoburn/isoburn.c        | 12 +++++++++---
 libisoburn/isoburn.h        |  4 ++++
 libisoburn/libisoburn.h     | 10 ++++++++--
 xorriso/xorriso_timestamp.h |  2 +-
 4 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/libisoburn/isoburn.c b/libisoburn/isoburn.c
index 6f400052..dc67be8e 100644
--- a/libisoburn/isoburn.c
+++ b/libisoburn/isoburn.c
@@ -436,7 +436,8 @@ int isoburn_prepare_disc_aux(struct burn_drive *in_d, struct burn_drive *out_d,
  iso_write_opts_set_record_md5(wopts, opts->session_md5, opts->file_md5 & 3);
  if(opts->scdbackup_tag_name[0] && opts->scdbackup_tag_time[0])
    iso_write_opts_set_scdbackup_tag(wopts, opts->scdbackup_tag_name,
-                                    opts->scdbackup_tag_time);
+                                    opts->scdbackup_tag_time,
+                                    opts->scdbackup_tag_written);
  iso_write_opts_set_replace_mode(wopts, opts->replace_dir_mode,
                 opts->replace_file_mode, opts->replace_uid, opts->replace_gid);
  iso_write_opts_set_default_dir_mode(wopts, opts->dir_mode);
@@ -1032,23 +1033,28 @@ int isoburn_igopt_get_data_start(struct isoburn_imgen_opts *o, int *lba)
 
 
 int isoburn_igopt_set_scdbackup_tag(struct isoburn_imgen_opts *o, char *name,
-                                    char *timestamp)
+                                    char *timestamp, char *tag_written)
 {
  strncpy(o->scdbackup_tag_name, name, 80);
  o->scdbackup_tag_name[80]= 0;
  strncpy(o->scdbackup_tag_time, timestamp, 18);
  o->scdbackup_tag_time[18]= 0;
+ o->scdbackup_tag_written = tag_written;
+ if(tag_written != NULL)
+   tag_written[0]= 0;
  return(1);
 }
 
 
 int isoburn_igopt_get_scdbackup_tag(struct isoburn_imgen_opts *o,
-                                    char name[81], char timestamp[19])
+                                    char name[81], char timestamp[19],
+                                    char **tag_written)
 {
  strncpy(name, o->scdbackup_tag_name, 80);
  name[80]= 0;
  strncpy(timestamp, o->scdbackup_tag_time, 18);
  timestamp[18]= 0;
+ *tag_written= o->scdbackup_tag_written;
  return(1);
 }
 
diff --git a/libisoburn/isoburn.h b/libisoburn/isoburn.h
index 5b2173ae..dcd09c60 100644
--- a/libisoburn/isoburn.h
+++ b/libisoburn/isoburn.h
@@ -479,9 +479,13 @@ struct isoburn_imgen_opts {
      * 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.
+     * If scdbackup_tag_written is not NULL then it is a pointer to an
+     * application provided array with at least 512 characters. The effectively
+     * written scdbackup tag will be copied to this memory location.
      */
     char scdbackup_tag_name[81];
     char scdbackup_tag_time[19];
+    char *scdbackup_tag_written;
 
 };
 
diff --git a/libisoburn/libisoburn.h b/libisoburn/libisoburn.h
index 4770f580..4e80697b 100644
--- a/libisoburn/libisoburn.h
+++ b/libisoburn/libisoburn.h
@@ -1151,12 +1151,18 @@ int isoburn_igopt_get_data_start(struct isoburn_imgen_opts *o, int *lba);
     @param name       The tag name. 80 characters max.
     @param timestamp  A string of up to 13 characters YYMMDD.hhmmss
                       A9 = 2009, B0 = 2010, B1 = 2011, ... C0 = 2020, ...
+    @param tag_written Either NULL or the address of an array with at least 512
+                      characters. In the latter case the eventually produced
+                      scdbackup tag will be copied to this array when the image
+                      gets written. This call sets scdbackup_tag_written[0] = 0
+                      to mark its preliminary invalidity.
     @return 1 success, <=0 failure
  */
 int isoburn_igopt_set_scdbackup_tag(struct isoburn_imgen_opts *o, char *name,
-                                    char *timestamp);
+                                    char *timestamp, char *tag_written);
 int isoburn_igopt_get_scdbackup_tag(struct isoburn_imgen_opts *o,
-                                    char name[81], char timestamp[19]);
+                                    char name[81], char timestamp[19],
+                                    char **tag_written);
 
 
 /* ----------------------------------------------------------------------- */
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 0107ee07..5f56ff70 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2009.09.16.162424"
+#define Xorriso_timestamP "2009.09.17.144453"