From a811361577f2ae8a2aec85e6a8ca6be7036ad296 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Wed, 7 Oct 2009 07:55:23 +0000
Subject: [PATCH] New bit7 with isoburn_drive_aquire(): pretend read-only

---
 libisoburn/burn_wrap.c      | 16 ++++++++++++----
 libisoburn/libisoburn.h     |  3 ++-
 xorriso/xorriso_timestamp.h |  2 +-
 3 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/libisoburn/burn_wrap.c b/libisoburn/burn_wrap.c
index 554ee990..a9282f20 100644
--- a/libisoburn/burn_wrap.c
+++ b/libisoburn/burn_wrap.c
@@ -267,6 +267,7 @@ int isoburn_is_intermediate_dvd_rw(struct burn_drive *d, int flag)
                 bit4= do not emulate TOC on overwriteable media
                 bit5= ignore ACL from external filesystems
                 bit6= ignore POSIX Extended Attributes from external filesystems
+                bit7= pretend -ROM and scan for table of content
 */ 
 static int isoburn_welcome_media(struct isoburn **o, struct burn_drive *d,
                                  int flag)
@@ -288,8 +289,11 @@ static int isoburn_welcome_media(struct isoburn **o, struct burn_drive *d,
  ret= burn_disc_get_multi_caps(d, BURN_WRITE_NONE, &caps, 0);
  if(ret<0) /* == 0 is read-only media, but it is too early to reject it here */
    goto ex;
- if(ret==0)
+ if(ret==0 || (flag & 128))
    readonly= 1;
+ if(flag & 128)
+   flag = (flag & ~ 16) | 8;
+   
  ret= isoburn_new(o, 0);
  if(ret<=0)
    goto ex;
@@ -305,7 +309,7 @@ static int isoburn_welcome_media(struct isoburn **o, struct burn_drive *d,
  (*o)->fabricated_disc_status= BURN_DISC_APPENDABLE;
 #endif
 
- if(caps->start_adr) {         /* set emulation to overwriteable */
+ if(caps->start_adr && !readonly) {       /* set emulation to overwriteable */
    (*o)->emulation_mode= 1;
    ret= isoburn_is_intermediate_dvd_rw(d, 0);
    if(ret>0) {
@@ -334,6 +338,7 @@ static int isoburn_welcome_media(struct isoburn **o, struct burn_drive *d,
     /* >>> recognize unsuitable media (but allow read-only media) */;
 
    if(readonly) {
+     (*o)->fabricated_disc_status= BURN_DISC_FULL;
      /* This might be overwriteable media in a -ROM drive.
         Pitfall:
         Multi-session media which bear a xorriso image for overwriteables
@@ -364,8 +369,10 @@ static int isoburn_welcome_media(struct isoburn **o, struct burn_drive *d,
        ret= isoburn_emulate_toc(d, 1);
        if(ret<0)
          goto ex;
+       else if(ret > 0)
+         (*o)->emulation_mode= 1;
      }
-     if(ret == 0 && profile != 0x08 && (flag&8)) {
+     if(ret == 0 && (profile != 0x08 || (flag & 128)) && (flag & 8)) {
        /* This might also be multi-session media which do not
           get shown with a decent TOC.
           CD-R TOC (profile 0x08) can be trusted. Others not.
@@ -412,6 +419,7 @@ ex:
                 bit4= do not emulate TOC on overwriteable media
                 bit5= ignore ACL from external filesystems
                 bit6= ignore POSIX Extended Attributes from external filesystems
+                bit7= pretend -ROM profile and scan for table of content
 */
 int isoburn_drive_aquire(struct burn_drive_info *drive_infos[],
                          char *adr, int flag)
@@ -442,7 +450,7 @@ int isoburn_drive_aquire(struct burn_drive_info *drive_infos[],
    goto ex;
  drive_grabbed= 1;
  ret= isoburn_welcome_media(&o, (*drive_infos)[0].drive,
-                            (flag & (8 | 16 | 32 | 64)) | !!(flag&2));
+                            (flag & (8 | 16 | 32 | 64 | 128)) | !!(flag&2));
  if(ret<=0)
    goto ex;
 
diff --git a/libisoburn/libisoburn.h b/libisoburn/libisoburn.h
index 4e80697b..d6c6396a 100644
--- a/libisoburn/libisoburn.h
+++ b/libisoburn/libisoburn.h
@@ -386,10 +386,11 @@ int isoburn_drive_scan_and_grab(struct burn_drive_info *drive_infos[],
                   bit5= ignore ACL from external filesystems
                   bit6= ignore POSIX Extended Attributes from external
                         filesystems
+                  bit7= pretend read-only profile and scan for table of content
     @return       1 = success , 0 = drive not found , <0 = other error
 */
 int isoburn_drive_aquire(struct burn_drive_info *drive_infos[],
-                                char* adr, int flag);
+                         char* adr, int flag);
 
 /** Aquire a drive from the burn_drive_info[] array which was obtained by
     a previous call of burn_drive_scan(). 
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index efc325a9..25799f4b 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2009.10.07.072645"
+#define Xorriso_timestamP "2009.10.07.075634"