From e651cb5040b8108ecf54e3ac621e85c4e25cfb11 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Wed, 24 Nov 2021 12:52:53 +0100
Subject: [PATCH] New -toc output line "Overburnt by :"

---
 xorriso/drive_mgt.c         | 14 +++++++++++---
 xorriso/text_io.c           |  2 ++
 xorriso/xorriso.h           |  3 +++
 xorriso/xorriso_timestamp.h |  2 +-
 4 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/xorriso/drive_mgt.c b/xorriso/drive_mgt.c
index 0226f745..7546cbaf 100644
--- a/xorriso/drive_mgt.c
+++ b/xorriso/drive_mgt.c
@@ -1,7 +1,7 @@
 
 /* xorriso - creates, loads, manipulates and burns ISO 9660 filesystem images.
 
-   Copyright 2007-2020 Thomas Schmitt, <scdbackup@gmx.net>
+   Copyright 2007-2021 Thomas Schmitt, <scdbackup@gmx.net>
 
    Provided under GPL version 2 or later.
 
@@ -1059,7 +1059,7 @@ int Xorriso_toc(struct XorrisO *xorriso, int flag)
  char *book_name;
  int num_data_from_format= 0;
  char *sno = NULL;
- int sno_len, i, is_bdr_pow= 0;
+ int sno_len, i, is_bdr_pow= 0, overburn_blocks= 0;
 
  ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
                                 "on attempt to print Table Of Content",
@@ -1238,7 +1238,11 @@ int Xorriso_toc(struct XorrisO *xorriso, int flag)
        goto ex;
      ret= burn_drive_get_start_end_lba(drive, &start_lba, &end_lba, 0);
      if(s == BURN_DISC_FULL && ret == 1) {
-       lba= end_lba - 2;
+       if(lba > end_lba - 2) {
+         overburn_blocks= lba - end_lba + 2;
+       } else {
+         lba= end_lba - 2;
+       }
      } else {
        if(ret == 1 && end_lba  - 2 > lba) {
          sprintf(xorriso->info_text,
@@ -1261,6 +1265,10 @@ int Xorriso_toc(struct XorrisO *xorriso, int flag)
    sprintf(respt, "Media blocks : %d readable , %d %s , %d overall\n",
                   num_data, (int) num_free, num_free_text, lba);
    Xorriso_toc_line(xorriso, flag & 8);
+   if(overburn_blocks > 0) {
+     sprintf(respt, "Overburnt by : %d blocks\n", overburn_blocks);
+     Xorriso_toc_line(xorriso, flag & 8);
+   }
  }
 
  if(s == BURN_DISC_BLANK) {
diff --git a/xorriso/text_io.c b/xorriso/text_io.c
index 3ab8fe89..63fe7eb4 100644
--- a/xorriso/text_io.c
+++ b/xorriso/text_io.c
@@ -2114,6 +2114,8 @@ int Xorriso_sieve_big(struct XorrisO *xorriso, int flag)
                                                                          2, 0},
    {"Modif. Time  :", 3, "Modif. Time  : ", "", 1, { 0, -1, -1, -1, -1, -1},
                                                                          1, 1},
+   {"Overburnt by :", 3, "Overburnt by :", "", 1, { 0, -1, -1, -1, -1, -1},
+                                                                         2, 0},
    {"PVD address  :", 3, "PVD address  :", "", 1, { 0, -1, -1, -1, -1, -1},
                                                                          1, 0},
    {"Preparer Id  :", 3, "Preparer Id  : ", "", 1, { 0, -1, -1, -1, -1, -1},
diff --git a/xorriso/xorriso.h b/xorriso/xorriso.h
index 073ca857..eae325ec 100644
--- a/xorriso/xorriso.h
+++ b/xorriso/xorriso.h
@@ -908,6 +908,9 @@ int Xorriso_sieve_dispose(struct XorrisO *xorriso, int flag);
     "Modif. Time  :" up to 1 result from -pvd_info
                      argv[0]= YYYYMMDDhhmmsscc
                      (Note: prefix is "Modif. Time  : ")
+    "Overburnt by :" up to 2 results from -toc
+                     argv[0]= number of readable blocks beyond ATIP leadout
+                     (Note: only reported with overburnt CD-RW)
     "PVD address  :" up to 1 result from -pvd_info
                      argv[0]= block address with "s" appended
     "Preparer Id  :" up to 1 result from -pvd_info
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index ff56a5b2..86dd3f60 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2021.09.13.151337"
+#define Xorriso_timestamP "2021.11.24.115053"