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* fhandler_tape.cc (mtinfo_drive::get_pos): Only set partition if

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GetTapePosition returned a non-zero partition number.
	(mtinfo_drive::create_partitions): Reinitialize to partition 0.
	Support TAPE_DRIVE_INITIATOR and TAPE_DRIVE_FIXED partitioning.
	(mtinfo_drive::set_partition): Initialize new partition.
	(mtinfo_drive::status): Readd accidentally dropped setting of mt_resid.

	* net.cc (wsock_event::prepare): Always print debug output in case
	of error.
This commit is contained in:
Corinna Vinschen
2004-03-31 12:04:07 +00:00
parent 93ba120429
commit decd3e5d72
3 changed files with 42 additions and 6 deletions
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31
winsup/cygwin/fhandler_tape.cc
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@ -324,7 +324,8 @@ mtinfo_drive::get_pos (HANDLE mt, long *ppartition, long *pblock)
TAPE_FUNC (GetTapePosition (mt, TAPE_ABSOLUTE_POSITION, &p, &low, &high));
if (!lasterr)
{
partition = (long) (p > 0 ? p - 1 : p);
if (p > 0)
partition = (long) p - 1;
block = (long) low;
if (ppartition)
*ppartition= partition;
@ -511,9 +512,26 @@ mtinfo_drive::create_partitions (HANDLE mt, long count)
return ERROR_INVALID_PARAMETER;
if (set_pos (mt, TAPE_REWIND, 0, false))
goto out;
partition = 0;
part (partition)->initialize (0);
debug_printf ("Format tape with %s partition(s)", count <= 0 ? "one" : "two");
TAPE_FUNC (CreateTapePartition (mt, TAPE_SELECT_PARTITIONS,
count <= 0 ? 1 : 2, 0));
if (get_feature (TAPE_DRIVE_INITIATOR))
{
if (count <= 0)
TAPE_FUNC (CreateTapePartition (mt, TAPE_INITIATOR_PARTITIONS,
count <= 0 ? 0 : 2, (DWORD) count));
}
else if (get_feature (TAPE_DRIVE_FIXED))
{
/* This is supposed to work for Tandberg SLR drivers up to version
1.6 which missed to set the TAPE_DRIVE_INITIATOR flag. According
to Tandberg, CreateTapePartition(TAPE_FIXED_PARTITIONS) apparently
does not ignore the dwCount parameter. Go figure! */
TAPE_FUNC (CreateTapePartition (mt, TAPE_FIXED_PARTITIONS,
count <= 0 ? 0 : 2, (DWORD) count));
}
else
lasterr = ERROR_INVALID_PARAMETER;
out:
return error ("partition");
}
@ -545,7 +563,11 @@ mtinfo_drive::set_partition (HANDLE mt, long count)
lasterr = err;
}
else
partition = count;
{
partition = count;
if (part (partition)->block == -1)
part (partition)->initialize (0);
}
}
return error ("set_partition");
}
@ -727,6 +749,7 @@ mtinfo_drive::status (HANDLE mt, struct mtget *get)
if (!notape)
{
get->mt_resid = partition;
get->mt_fileno = part (partition)->file;
get->mt_blkno = part (partition)->fblock;