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ntdll: tape.c portability fixes. 

Accept MTCOMP as an alias for MTCOMPRESSION on those systems, having
the former, but not the latter.
Only enable operations supported by the host OS in
TAPE_CreatePartition() and TAPE_Prepare().
This commit is contained in:
Gerald Pfeifer 2006-01-31 13:02:10 +01:00 committed by Alexandre Julliard
parent f0d6519ef5
commit c0ca7172a2
1 changed files with 26 additions and 0 deletions
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26
dlls/ntdll/tape.c
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@ -30,6 +30,11 @@
#include <sys/mtio.h>
#endif
/* FreeBSD, for example, has MTCOMP instead of MTCOMPRESSION. */
#if !defined(MTCOMPRESSION) && defined(MTCOMP)
#define MTCOMPRESSION MTCOMP
#endif
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "ntstatus.h"
@ -95,6 +100,7 @@ static NTSTATUS TAPE_CreatePartition( int fd, TAPE_CREATE_PARTITION *data )
switch (data->Method)
{
#ifdef MTMKPART
case TAPE_FIXED_PARTITIONS:
case TAPE_SELECT_PARTITIONS:
cmd.mt_op = MTMKPART;
@ -104,6 +110,7 @@ static NTSTATUS TAPE_CreatePartition( int fd, TAPE_CREATE_PARTITION *data )
cmd.mt_op = MTMKPART;
cmd.mt_count = data->Size;
break;
#endif
default:
ERR( "Unhandled method: 0x%08lx\n", data->Method );
return STATUS_INVALID_PARAMETER;
@ -240,6 +247,7 @@ static NTSTATUS TAPE_GetPosition( int fd, ULONG type, TAPE_GET_POSITION *data )
data->Type = type;
data->Partition = get.mt_resid;
data->OffsetLow = pos.mt_blkno;
break;
case TAPE_LOGICAL_BLOCK:
case TAPE_PSEUDO_LOGICAL_BLOCK:
WARN( "Positioning type not supported\n" );
@ -269,21 +277,31 @@ static NTSTATUS TAPE_Prepare( int fd, TAPE_PREPARE *data )
switch (data->Operation)
{
#ifdef MTLOAD
case TAPE_LOAD:
cmd.mt_op = MTLOAD;
break;
#endif
#ifdef MTUNLOAD
case TAPE_UNLOAD:
cmd.mt_op = MTUNLOAD;
break;
#endif
#ifdef MTRETEN
case TAPE_TENSION:
cmd.mt_op = MTRETEN;
break;
#endif
#ifdef MTLOCK
case TAPE_LOCK:
cmd.mt_op = MTLOCK;
break;
#endif
#ifdef MTUNLOCK
case TAPE_UNLOCK:
cmd.mt_op = MTUNLOCK;
break;
#endif
case TAPE_FORMAT:
/* Native ignores this if the drive doesn't support it */
return STATUS_SUCCESS;
@ -364,13 +382,17 @@ static NTSTATUS TAPE_SetPosition( int fd, TAPE_SET_POSITION *data )
case TAPE_REWIND:
cmd.mt_op = MTREW;
break;
#ifdef MTSEEK
case TAPE_ABSOLUTE_BLOCK:
cmd.mt_op = MTSEEK;
cmd.mt_count = data->Offset.u.LowPart;
break;
#endif
#ifdef MTEOM
case TAPE_SPACE_END_OF_DATA:
cmd.mt_op = MTEOM;
break;
#endif
case TAPE_SPACE_FILEMARKS:
if (data->Offset.u.LowPart >= 0) {
cmd.mt_op = MTFSF;
@ -380,6 +402,7 @@ static NTSTATUS TAPE_SetPosition( int fd, TAPE_SET_POSITION *data )
cmd.mt_op = MTBSF;
cmd.mt_count = -data->Offset.u.LowPart;
}
break;
case TAPE_SPACE_SETMARKS:
if (data->Offset.u.LowPart >= 0) {
cmd.mt_op = MTFSS;
@ -389,6 +412,7 @@ static NTSTATUS TAPE_SetPosition( int fd, TAPE_SET_POSITION *data )
cmd.mt_op = MTBSS;
cmd.mt_count = -data->Offset.u.LowPart;
}
break;
case TAPE_LOGICAL_BLOCK:
case TAPE_PSEUDO_LOGICAL_BLOCK:
case TAPE_SPACE_RELATIVE_BLOCKS:
@ -421,10 +445,12 @@ static NTSTATUS TAPE_WriteMarks( int fd, TAPE_WRITE_MARKS *data )
switch (data->Type)
{
#ifdef MTWSM
case TAPE_SETMARKS:
cmd.mt_op = MTWSM;
cmd.mt_count = data->Count;
break;
#endif
case TAPE_FILEMARKS:
case TAPE_SHORT_FILEMARKS:
case TAPE_LONG_FILEMARKS: