libburnia/libisoburn
2
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Ability to emulate a featured bug with mkisofs -C : read 16 block too early

Browse Source
This commit is contained in:
Thomas Schmitt 2008-07-17 11:07:42 +00:00
parent 4088bf38a6
commit 58ba5aeff6
3 changed files with 21 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
libisoburn/burn_wrap.c
View File

@ -1427,6 +1427,8 @@ int isoburn_drive_set_msgs_submit(struct burn_drive *d,
}
/* @param flag bit0= with adr_mode 3: adr_value might be 16 blocks too high
*/
int isoburn_set_msc1(struct burn_drive *d, int adr_mode, char *adr_value,
int flag)
{
@ -1498,7 +1500,14 @@ not_found:;
} else if(adr_mode==3) {
o->fabricated_msc1= adr_num;
if((flag & 1) && o->fabricated_msc1 >= 16) {
/* MULTI : adr_num is possibly 16 blocks too high */;
ret= isoburn_read_iso_head(d, o->fabricated_msc1, &size,volid, 1|(1<<14));
if(ret==2)
o->fabricated_msc1-= 16;
}
} else if(adr_mode==4) {
/* search for volume id that is equal to adr_value */
best_lba= -1;

15
libisoburn/libisoburn.h
View File

@ -433,7 +433,7 @@ int isoburn_disc_erasable(struct burn_drive *d);
void isoburn_disc_erase(struct burn_drive *drive, int fast);
/** Program isoburn_disc_get_msc1() to return a fabricated value.
/** Set up isoburn_disc_get_msc1() to return a fabricated value.
This makes only sense between aquiring the drive and reading the
image. After isoburn_read_image() it will confuse the coordination
of libisoburn and libisofs.
@ -450,7 +450,11 @@ void isoburn_disc_erase(struct burn_drive *drive, int fast);
4= start lba of last session with volume id
given by adr_value
@parm adr_value A string describing the value to be eventually used.
@param flag Bitfield for control purposes. Unused yet. Submit 0.
@param flag Bitfield for control purposes.
bit0= @since 0.2.2
with adr_mode 3: adr_value might be 16 blocks too high
(e.g. -C stemming from growisofs). Probe for ISO head
at adr_value-16 and eventually adjust setting.
*/
int isoburn_set_msc1(struct burn_drive *d, int adr_mode, char *adr_value,
int flag);
@ -570,7 +574,7 @@ void isoburn_toc_track_get_entry(struct isoburn_toc_track *t,
void isoburn_toc_disc_free(struct isoburn_toc_disc *disc);
/** Try whether at the data at the given address look like a ISO 9660
/** Try whether the data at the given address look like a ISO 9660
image header and obtain its alleged size. Depending on the info mode
one other string of text information can be retrieved too.
@since 0.1.6
@ -588,7 +592,7 @@ void isoburn_toc_disc_free(struct isoburn_toc_disc *disc);
bit14= check both half buffers (not only second)
return 2 if found in first block
bit15= return-1 on read error
@return 1 seems to be a valid ISO image , 0 format not recognized, <0 error
@return >0 seems to be a valid ISO image, 0 format not recognized, <0 error
*/
int isoburn_read_iso_head(struct burn_drive *d, int lba,
int *image_blocks, char *info, int flag);
@ -1050,6 +1054,9 @@ off_t isoburn_disc_available_space(struct burn_drive *d,
case of random access media this will always be 0. Succesfull return is
not a guarantee that there is a ISO-9660 image at all. The call will fail,
nevertheless,if isoburn_disc_get_status() returns not BURN_DISC_APPENDABLE.
Note: The result of this call may be fabricated by a previous call of
isoburn_set_msc1() which can override the rule to load the most recent
session.
Wrapper for: burn_disc_get_msc1()
@since 0.1.0
@param d The drive to inquire

2
xorriso/xorriso_timestamp.h
View File

@ -1 +1 @@
#define Xorriso_timestamP "2008.07.16.140043"
#define Xorriso_timestamP "2008.07.17.110812"