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Improved drive capacity estimation for sparse regular files

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Thomas Schmitt
2014-06-10 07:37:40 +00:00
parent 61e2176d03
commit ca532f7623
13 changed files with 78 additions and 26 deletions
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libburn/libburn.h
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@ -1478,7 +1478,7 @@ int burn_disc_get_msc1(struct burn_drive *d, int *start_lba);
grabbed and BURN_DRIVE_IDLE. If not, then one will only get a canned value
from the most recent automatic inquiry (e.g. during last drive grabbing).
An eventual start address from burn_write_opts_set_start_byte() will be
subtracted from the obtained capacity estimation. Negative results get
taken into respect with the capacity estimation. Negative results get
defaulted to 0.
If the drive is actually a file in a large filesystem or a large block
device, then the capacity is curbed to a maximum of 0x7ffffff0 blocks