MTX with library.

Allows to call mtx routines. The rpm for this version must be built as: Replace mtx.spec in SPECS Put *.patch into SOURCES and build rpm.
2026-01-05 19:54:50 +00:00 · 2018-08-01 10:48:36 -05:00
parent 3718d257b2
commit 05c81f6d17
5 changed files with 805 additions and 88 deletions
--- a/mtx-1.3.12/Makefile.in
+++ b/mtx-1.3.12/Makefile.in
@@ -3,16 +3,17 @@
 # USE GMAKE, NOT REGULAR BSD MAKE!)
 #
 # Valid targets:
-#  linux86 freebsd86 solarissparc sgi dec vms 
+#  linux86 freebsd86 solarissparc sgi dec vms
 #
 # Makefile changes by Lars Kellogg-Stedman for better integration with
-# GNU Autoconf. 
+# GNU Autoconf.
 # Version # for 'make dist'...
 VERSION=1.3.12
 BINS = mtx@EXEEXT@ tapeinfo@EXEEXT@ loaderinfo@EXEEXT@ scsitape@EXEEXT@ scsieject@EXEEXT@
 EXTRA_BINS = nsmhack@EXEEXT@
 LIB=libmtx.a
 DBGS := $(BINS:%@EXEEXT@=%.dbg)
 MAN = mtx.1 tapeinfo.1 loaderinfo.1 scsitape.1 scsieject.1
 MAN_HTML := $(MAN:%.1=%.html)
@@ -46,7 +47,7 @@ VPATH = $(srcdir)
 # Linux on x86...
 #
 ifeq ($(TARGET),linux)
-CFLAGS += -Wall
+CFLAGS += -Wall -fpic -O3
 CPPFLAGS	+= -DLONG_PRINT_REQUEST_SENSE=1
 endif
@@ -64,7 +65,7 @@ LIBS		+= -lcam
 endif
 ifeq ($(TARGET),hpux)
-CFLAGS += -O -D_HPUX_SOURCE -D __hpux__ 
+CFLAGS += -O -D_HPUX_SOURCE -D __hpux__
 endif
 #
@@ -105,7 +106,7 @@ else
 	strip $< -o $@
 endif
-all:	$(BINS)
+all:	$(BINS) $(LIB)
 dbgs: $(DBGS)
@@ -113,7 +114,7 @@ install: $(BINS)
 	$(INSTALL_DIR) $(DESTDIR)$(sbindir)
 	for file in $(BINS); do \
 	$(INSTALL_BIN) "$$file" $(DESTDIR)$(sbindir) ; \
-	done	
+	done
 	$(INSTALL_DIR) $(DESTDIR)$(mandir) $(DESTDIR)$(mandir)/man1
 	for file in mtx.1 tapeinfo.1 scsitape.1 scsieject.1 loaderinfo.1 ; do \
 	$(INSTALL_DOC) "$$file"  $(DESTDIR)$(mandir)/man1 ; \
@@ -132,7 +133,7 @@ distclean: clean
 	rm -f Makefile config.h config.log config.cache config.status
 dist: distclean
-	./makedist $(VERSION)	
+	./makedist $(VERSION)
 loaderinfo@EXEEXT@: loaderinfo.o mtxl.o mtxl.h mtx.h $(EXTRA)
 	$(CC) $(LDFLAGS) -o loaderinfo@EXEEXT@ loaderinfo.o mtxl.o $(EXTRA) $(LIBS)
@@ -143,7 +144,7 @@ nsmhack@EXEEXT@: nsmhack.o mtxl.o $(EXTRA)
 mtx@EXEEXT@: mtx.o mtxl.o mtxl.h mtx.h $(EXTRA)
 	$(CC) $(LDFLAGS) -o mtx@EXEEXT@ mtx.o mtxl.o $(EXTRA) $(LIBS)
-mam2debug@EXEEXT@: mtxl.o mam2debug.o mtx.h $(EXTRA)	
+mam2debug@EXEEXT@: mtxl.o mam2debug.o mtx.h $(EXTRA)
 	$(CC) $(LDFLAGS) -o mam2debug@EXEEXT@ mtxl.o mam2debug.o $(EXTRA) $(LIBS)
 tapeinfo@EXEEXT@: tapeinfo.o mtxl.o mtx.h mtxl.h $(EXTRA)
@@ -160,6 +161,9 @@ scsitape.o: scsitape.c mtx.h mtxl.h
 scsieject@EXEEXT@: scsieject.o mtxl.o mtxl.h mtx.h $(EXTRA)
 	$(CC) $(LDFLAGS) -o scsieject@EXEEXT@ scsieject.o mtxl.o $(EXTRA) $(LIBS)
 $(LIB): mtx.o mtxl.o
 	ar qvs contrib/$(LIB) mtx.o mtxl.o
 	$(CC) $(LDFLAGS) -shared -o contrib/libmtx.so mtx.o mtxl.o
 scsieject.o: scsieject.c mtx.h mtxl.h
 loaderinfo.o: loaderinfo.c mtx.h mtxl.h
--- a/mtx-1.3.12/mtx.c
+++ b/mtx-1.3.12/mtx.c
@@ -79,7 +79,8 @@ static char *PeripheralDeviceType[32] =
 static int argc;
 static char **argv;
-static char *device=NULL;		/* the device name passed as argument */
+char *device=NULL;		/* the device name passed as argument */
 int absolute_addressing=0; /* if not 0 -  use absolute adresses of storage and tranport elements as known to the robot */
 /*	Unfortunately this must be true for SGI, because SGI does not
 	use an int :-(.
@@ -496,14 +497,24 @@ static void Status(void)
 		 TransferElementNumber < ElementStatus->DataTransferElementCount;
 		 TransferElementNumber++)
 	{
-		
+	  if (absolute_addressing==0) {
 		printf("Data Transfer Element %d:", TransferElementNumber);
 	    }
 	  else {
 	        printf("Data Transfer Element %d  :", ElementStatus->DataTransferElementAddress[TransferElementNumber]);
 	  }
 		if (ElementStatus->DataTransferElementFull[TransferElementNumber])
 		{
 			if (ElementStatus->DataTransferElementSourceStorageElementNumber[TransferElementNumber] > -1)
 			{
-				printf("Full (Storage Element %d Loaded)",
+			  if (absolute_addressing==0) {
-						ElementStatus->DataTransferElementSourceStorageElementNumber[TransferElementNumber]+1);
+			      printf("Full (Storage Element %d Loaded)",
 				     ElementStatus->DataTransferElementSourceStorageElementNumber[TransferElementNumber]+1);
 			    }
 			  else {
 			    printf("Full (Storage Element %d Loaded)",
 				   ElementStatus->StorageElementAddress[TransferElementNumber]);
 			  }
 			}
 			else
 			{
@@ -531,9 +542,16 @@ static void Status(void)
 		 StorageElementNumber < ElementStatus->StorageElementCount;
 		 StorageElementNumber++)
 	{
 	  if (absolute_addressing==0) {
 		printf(	"      Storage Element %d%s:%s", StorageElementNumber + 1,
 				(ElementStatus->StorageElementIsImportExport[StorageElementNumber]) ? " IMPORT/EXPORT" : "",
 				(ElementStatus->StorageElementFull[StorageElementNumber] ? "Full " : "Empty"));
 	    }
 	  else {
 		printf(	"      Storage Element %d%s:%s", ElementStatus->StorageElementAddress[StorageElementNumber],
 				(ElementStatus->StorageElementIsImportExport[StorageElementNumber]) ? " IMPORT/EXPORT" : "",
 				(ElementStatus->StorageElementFull[StorageElementNumber] ? "Full " : "Empty"));
 	  }    
 		if (ElementStatus->PrimaryVolumeTag[StorageElementNumber][0])
 		{
@@ -918,7 +936,6 @@ void execute_command(struct command_table_struct *command)
 		}
 		open_device();
 	}
 	if (!ElementStatus && command->need_status)
 	{
 		inquiry_info = RequestInquiry(MediumChangerFD,&RequestSense);
--- a/mtx-1.3.12/mtx.spec
+++ b/mtx-1.3.12/mtx.spec
@@ -1,6 +1,6 @@
 Name: mtx
 Version: 1.3.12
-Release: 14%{?dist}
+Release: 14fnal_p%{?dist}
 Summary: SCSI media changer control program
 License: GPLv2
 Group: Applications/System
@@ -14,6 +14,7 @@ Patch2: emc-fix-fail-with-too-high-slot-count_cleanupver.patch
 Patch3: mtx-1.3.12-fix-resource-leak.patch
 Patch4: mtx-1.3.12-scsitape-usage--add-erase.patch
 Patch5: mtx-1.3.12-man-Document-mtx-eject-and-previous-operations.patch
 Patch6: mtx-1.3.12-mtx-library.patch
 URL: http://mtx.sourceforge.net/
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
@@ -38,6 +39,7 @@ tape at a time, you should install MTX.
 %patch3 -p1 -b .fixresourceleak
 %patch4 -p1 -b .scsitape_adderase
 %patch5 -p1 -b .mtxman1upd
 %patch6 -p2 -b .mtxlib
 # remove exec permission
 chmod a-x contrib/config_sgen_solaris.sh contrib/mtx-changer
@@ -67,6 +69,8 @@ rm -rf $RPM_BUILD_ROOT
 %changelog
 * Tue Jul 31 2018 Alexander Moibenko <moibenko@fnal.gov> - 1.3.12-14fnal_p
 - Changes to allow to use mtx as library and show absolute transfer and storage elements as output of status call
 * Wed Mar 16 2016 David Sommerseth <davids@redhat.com> - 1.3.12-14
 - Update scsitape --help screen to show the erase command and improved mtx.1 man page (#948459)
@@ -220,14 +224,14 @@ rm -rf $RPM_BUILD_ROOT
 * Thu Jun 15 2000 Preston Brown <pbrown@redhat.com>
 - 1.2.7
-* Tue May 23 2000 Preston Brown <pbrown@redhat.com> 
+* Tue May 23 2000 Preston Brown <pbrown@redhat.com>
 - adopted for Winston
 * Fri May 12 2000 Kenneth Porter <shiva@well.com>
 - 1.2.6
 - Fixed 'eepos' stuff to use | rather than || (whoops!)
 - Accept a 4-byte element descriptor for the robot arm for certain older
- autochangers. 
+- autochangers.
 * Mon May 8 2000 Kenneth Porter <shiva@well.com>
 - Spell sourceforge right so the link at rpmfind.net will work.
--- a/mtx-1.3.12/mtxl.c
+++ b/mtx-1.3.12/mtxl.c
@@ -23,7 +23,7 @@
 /*
 *	FatalError: changed Feb. 2000 elg@badtux.org to eliminate a buffer
- *	overflow :-(. That could be important if mtxl is SUID for some reason. 
+ *	overflow :-(. That could be important if mtxl is SUID for some reason.
 */
 #include "mtx.h"
@@ -34,7 +34,7 @@
 /* #define DEBUG_MODE_SENSE 1 */
 /* #define DEBUG */
 /* #define DEBUG_SCSI */
-#define __WEIRD_CHAR_SUPPRESS 1 
+#define __WEIRD_CHAR_SUPPRESS 1
 /* zap the following define when we finally add real import/export support */
 #define IMPORT_EXPORT_HACK 1 /* for the moment, import/export == storage */
@@ -100,7 +100,7 @@ Inquiry_T *RequestInquiry(DEVICE_TYPE fd, RequestSense_T *RequestSense)
 	Inquiry_T *Inquiry;
 	CDB_T CDB;
-	Inquiry = (Inquiry_T *) xmalloc(sizeof(Inquiry_T));  
+	Inquiry = (Inquiry_T *) xmalloc(sizeof(Inquiry_T));
 	CDB[0] = 0x12;		/* INQUIRY */
 	CDB[1] = 0;			/* EVPD = 0 */
@@ -231,7 +231,8 @@ void FatalError(char *ErrorMessage, ...)
 	va_end(ArgumentPointer);
 #ifndef VMS
-	exit(1);
+	//exit(1);
 	return; /* if used as library routine it can not exit, because this would terminate the caller */
 #else
 	sys$exit(VMS_ExitCode);
 #endif
@@ -280,10 +281,10 @@ int max(int x, int y)
 /* Okay, this is a hack for the NSM modular jukebox series, which
- * uses the "SEND DIAGNOSTIC" command to do shit. 
+ * uses the "SEND DIAGNOSTIC" command to do shit.
 */
-int SendNSMHack(DEVICE_TYPE MediumChangerFD, NSM_Param_T *nsm_command, 
+int SendNSMHack(DEVICE_TYPE MediumChangerFD, NSM_Param_T *nsm_command,
 		int param_len, int timeout)
 {
 	CDB_T CDB;
@@ -362,7 +363,7 @@ NSM_Result_T *RecNSMHack(	DEVICE_TYPE MediumChangerFD,
 /* Routine to inventory the library. Needed by, e.g., some Breece Hill
 * loaders. Sends an INITIALIZE_ELEMENT_STATUS command. This command
- * has no parameters, such as a range to scan :-(. 
+ * has no parameters, such as a range to scan :-(.
 */
 int Inventory(DEVICE_TYPE MediumChangerFD)
@@ -370,7 +371,7 @@ int Inventory(DEVICE_TYPE MediumChangerFD)
 	CDB_T	CDB;
 	/* okay, now for the command: */
-	CDB[0] = 0x07; 
+	CDB[0] = 0x07;
 	CDB[1] = CDB[2] = CDB[3] = CDB[4] = CDB[5] = 0;
 	/* set us a very long timeout, sigh... */
@@ -394,8 +395,8 @@ int Inventory(DEVICE_TYPE MediumChangerFD)
 /* Routine to read the Mode Sense Element Address Assignment Page */
 /* We try to read the page. If we can't read the page, we return NULL.
 * Our caller really isn't too worried about why we could not read the
- * page, it will simply default to some kind of default values. 
+ * page, it will simply default to some kind of default values.
- */ 
+ */
 ElementModeSense_T *ReadAssignmentPage(DEVICE_TYPE MediumChangerFD)
 {
 	CDB_T CDB;
@@ -405,7 +406,7 @@ ElementModeSense_T *ReadAssignmentPage(DEVICE_TYPE MediumChangerFD)
 	/* okay, now for the command: */
 	CDB[0] = 0x1A; /* Mode Sense(6) */
-	CDB[1] = 0x08; 
+	CDB[1] = 0x08;
 	CDB[2] = 0x1D; /* Mode Sense Element Address Assignment Page */
 	CDB[3] = 0;
 	CDB[4] = 136; /* allocation_length... */
@@ -482,7 +483,7 @@ ElementModeSense_T *ReadAssignmentPage(DEVICE_TYPE MediumChangerFD)
 		((int)sense_page->NumStorageHi << 8) + sense_page->NumStorageLo;
 	retval->ImportExportStart =
-		((int)sense_page->ImportExportStartHi << 8) + sense_page->ImportExportStartLo; 
+		((int)sense_page->ImportExportStartHi << 8) + sense_page->ImportExportStartLo;
 	retval->NumImportExport =
 		((int)sense_page->NumImportExportHi << 8) + sense_page->NumImportExportLo;
@@ -494,7 +495,7 @@ ElementModeSense_T *ReadAssignmentPage(DEVICE_TYPE MediumChangerFD)
 		((int)sense_page->NumDataTransferHi << 8) + sense_page->NumDataTransferLo;
 	/* allocate a couple spares 'cause some HP autochangers and maybe others
-	* don't properly report the robotics arm(s) count here... 
+	* don't properly report the robotics arm(s) count here...
 	*/
 	retval->NumElements =
 		retval->NumStorage+retval->NumImportExport +
@@ -549,7 +550,7 @@ static ElementStatus_T *AllocateElementData(ElementModeSense_T *mode_sense)
 	retval->DataTransferElementAddress =
 		(int *)xzmalloc(sizeof(int) * (mode_sense->NumDataTransfer + 1));
-	retval->DataTransferElementSourceStorageElementNumber = 
+	retval->DataTransferElementSourceStorageElementNumber =
 		(int *)xzmalloc(sizeof(int) * (mode_sense->NumDataTransfer + 1));
 	retval->DataTransferPrimaryVolumeTag =
 		(barcode *)xzmalloc(sizeof(barcode) * (mode_sense->NumDataTransfer + 1));
@@ -587,14 +588,14 @@ void copy_barcode(unsigned char *src, unsigned char *dest)
 		dest++;
 	}
-	*dest = 0; /* null-terminate */ 
+	*dest = 0; /* null-terminate */
 }
 /* This #%!@# routine has more parameters than I can count! */
 static unsigned char *SendElementStatusRequestActual(
 					DEVICE_TYPE MediumChangerFD,
 					RequestSense_T *RequestSense,
-					Inquiry_T *inquiry_info, 
+					Inquiry_T *inquiry_info,
 					SCSI_Flags_T *flags,
 					int ElementStart,
 					int NumElements,
@@ -609,7 +610,7 @@ static unsigned char *SendElementStatusRequestActual(
 #ifdef HAVE_GET_ID_LUN
 	scsi_id_t *scsi_id;
 #endif
-	if (inquiry_info->MChngr && 
+	if (inquiry_info->MChngr &&
 		inquiry_info->PeripheralDeviceType != MEDIUM_CHANGER_TYPE)
 	{
 		is_attached = true;
@@ -617,7 +618,7 @@ static unsigned char *SendElementStatusRequestActual(
 	if (flags->no_attached)
 	{
-		/* override, sigh */ 
+		/* override, sigh */
 		is_attached = false;
 	}
@@ -633,11 +634,11 @@ static unsigned char *SendElementStatusRequestActual(
 	if (is_attached)
 	{
-		CDB[0] = 0xB4;  /* whoops, READ_ELEMENT_STATUS_ATTACHED! */ 
+		CDB[0] = 0xB4;  /* whoops, READ_ELEMENT_STATUS_ATTACHED! */
 	}
 #ifdef HAVE_GET_ID_LUN
-	CDB[1] = (scsi_id->lun << 5) | ((flags->no_barcodes) ? 
+	CDB[1] = (scsi_id->lun << 5) | ((flags->no_barcodes) ?
 		0 : 0x10) | flags->elementtype;  /* Lun + VolTag + Type code */
 	free(scsi_id);
 #else
@@ -677,7 +678,7 @@ static unsigned char *SendElementStatusRequestActual(
 		/*
 			First see if we have sense key of 'illegal request',
-			additional sense code of '24', additional sense qualfier of 
+			additional sense code of '24', additional sense qualfier of
 			'0', and field in error of '4'. This means that we issued a request
 			w/bar code reader and did not have one, thus must re-issue the request
 			w/out barcode :-(.
@@ -722,14 +723,14 @@ static unsigned char *SendElementStatusRequestActual(
 	PrintRequestSense(RequestSense); /* see what it sez :-(. */
 	fprintf(stderr,"Data:\n");
 	PrintHex(2, DataBuffer, 40);
-#endif  
+#endif
 	return DataBuffer; /* we succeeded! */
 }
 unsigned char *SendElementStatusRequest(DEVICE_TYPE MediumChangerFD,
 										RequestSense_T *RequestSense,
-										Inquiry_T *inquiry_info, 
+										Inquiry_T *inquiry_info,
 										SCSI_Flags_T *flags,
 										int ElementStart,
 										int NumElements,
@@ -750,7 +751,7 @@ unsigned char *SendElementStatusRequest(DEVICE_TYPE MediumChangerFD,
 	/*
 		One weird loader wants either 8 or BYTE_COUNT_OF_REPORT
 		values for the ALLOCATION_LENGTH. Give it what it wants
-		if we get an Sense Key of 05 Illegal Request with a 
+		if we get an Sense Key of 05 Illegal Request with a
 		CDB position of 7 as the field in error.
 	*/
@@ -882,7 +883,7 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 		{
 			/* TransportElementDescriptor =
 			(TransportElementDescriptor_T *) DataPointer; */
-			memcpy(&TEBuf, DataPointer, 
+			memcpy(&TEBuf, DataPointer,
 				(TransportElementDescriptorLength <= sizeof(TEBuf)) ?
 					TransportElementDescriptorLength  :
 					sizeof(TEBuf));
@@ -909,7 +910,7 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 			case MediumTransportElement:
 				ElementStatus->TransportElementAddress = BigEndian16(TransportElementDescriptor->ElementAddress);
 #ifdef DEBUG
-				fprintf(stderr,"TransportElementAddress=%d\n",ElementStatus->TransportElementAddress); 
+				fprintf(stderr,"TransportElementAddress=%d\n",ElementStatus->TransportElementAddress);
 #endif
 				break;
@@ -936,7 +937,7 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 				ElementStatus->StorageElementFull[ImportExportIndex] =
 					TransportElementDescriptor->Full;
-				if ( (TransportElementDescriptorLength > 11) && 
+				if ( (TransportElementDescriptorLength > 11) &&
 					(ElementStatusPage->VolBits & E2_AVOLTAG))
 				{
 					copy_barcode(TransportElementDescriptor->AlternateVolumeTag,
@@ -945,8 +946,8 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 				else
 				{
 					ElementStatus->AlternateVolumeTag[ImportExportIndex][0] = 0;  /* null string. */;
-				} 
+				}
-				if ((TransportElementDescriptorLength > 11) && 
+				if ((TransportElementDescriptorLength > 11) &&
 					(ElementStatusPage->VolBits & E2_PVOLTAG))
 				{
 					copy_barcode(TransportElementDescriptor->PrimaryVolumeTag,
@@ -967,8 +968,8 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 				fprintf(stderr,"StorageElementCount=%d  ElementAddress = %d ",ElementStatus->StorageElementCount,BigEndian16(TransportElementDescriptor->ElementAddress));
 #endif
 				/* ATL/Exabyte kludge -- skip slots that aren't installed :-( */
-				if (TransportElementDescriptor->AdditionalSenseCode==0x83 && 
+				if (TransportElementDescriptor->AdditionalSenseCode==0x83 &&
-					TransportElementDescriptor->AdditionalSenseCodeQualifier==0x02) 
+					TransportElementDescriptor->AdditionalSenseCodeQualifier==0x02)
 					continue;
 				ElementStatus->StorageElementAddress[ElementStatus->StorageElementCount] =
@@ -986,7 +987,7 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 						ElementStatus->StorageElementCount; /* slot idx. */
 					/*   ElementStatus->StorageElementAddress[ElementStatus->StorageElementCount]; */
 				}
-				if ((TransportElementDescriptorLength >  11) && 
+				if ((TransportElementDescriptorLength >  11) &&
 					(ElementStatusPage->VolBits & E2_AVOLTAG))
 				{
 					copy_barcode(TransportElementDescriptor->AlternateVolumeTag,
@@ -995,8 +996,8 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 				else
 				{
 					ElementStatus->AlternateVolumeTag[ElementStatus->StorageElementCount][0]=0;  /* null string. */;
-				} 
+				}
-				if ((TransportElementDescriptorLength > 11) && 
+				if ((TransportElementDescriptorLength > 11) &&
 					(ElementStatusPage->VolBits & E2_PVOLTAG))
 				{
 					copy_barcode(TransportElementDescriptor->PrimaryVolumeTag,
@@ -1009,9 +1010,9 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 				ElementStatus->StorageElementCount++;
 				/*
-					Note that the original mtx had no check here for 
+					Note that the original mtx had no check here for
 					buffer overflow, though some drives might mistakingly
-					do one... 
+					do one...
 				*/
 				if (ElementStatus->StorageElementCount > mode_sense->NumStorage)
@@ -1033,33 +1034,33 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 				report that they have a 2nd tape drive when they don't. We
 				could generalize this in an ideal world, but my attempt to
 				do so failed with dual-drive Exabyte tape libraries that
-				*DID* have the second drive. Sigh. 
+				*DID* have the second drive. Sigh.
 				*/
-				if (TransportElementDescriptor->AdditionalSenseCode==0x83 && 
+				if (TransportElementDescriptor->AdditionalSenseCode==0x83 &&
 					TransportElementDescriptor->AdditionalSenseCodeQualifier==0x04)
 				{
 					continue;
 				}
 				/*	generalize it. Does it work? Let's try it! */
-				/*	
+				/*
 					No, dammit, following does not work on dual-drive Exabyte
 					'cause if a tape is in the drive, it sets the AdditionalSense
 					code to something (sigh).
 				*/
 				/* if (TransportElementDescriptor->AdditionalSenseCode!=0)
 					continue;
-				*/ 
+				*/
 				ElementStatus->DataTransferElementAddress[ElementStatus->DataTransferElementCount] =
 					BigEndian16(TransportElementDescriptor->ElementAddress);
-				ElementStatus->DataTransferElementFull[ElementStatus->DataTransferElementCount] = 
+				ElementStatus->DataTransferElementFull[ElementStatus->DataTransferElementCount] =
 					TransportElementDescriptor->Full;
 				ElementStatus->DataTransferElementSourceStorageElementNumber[ElementStatus->DataTransferElementCount] =
 					BigEndian16(TransportElementDescriptor->SourceStorageElementAddress);
 #ifdef DEBUG
-				fprintf(stderr, "%d: ElementAddress = %d, Full = %d, SourceElement = %d\n", 
+				fprintf(stderr, "%d: ElementAddress = %d, Full = %d, SourceElement = %d\n",
 						ElementStatus->DataTransferElementCount,
 						ElementStatus->DataTransferElementAddress[ElementStatus->DataTransferElementCount],
 						ElementStatus->DataTransferElementFull[ElementStatus->DataTransferElementCount],
@@ -1118,17 +1119,17 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 /*
 * We no longer do the funky trick to figure out ALLOCATION_LENGTH.
 * Instead, we use the SCSI Generic command rather than SEND_SCSI_COMMAND
- * under Linux, which gets around the @#%@ 4k buffer size in Linux. 
+ * under Linux, which gets around the @#%@ 4k buffer size in Linux.
 * We still have the restriction that Linux cuts off the last two
 * bytes of the SENSE DATA (Q#@$%@#$^ Linux!). Which means that the
- * verbose widget won't work :-(. 
+ * verbose widget won't work :-(.
- 
+
 * We now look for that "attached" bit in the inquiry_info to see whether
 * to use READ_ELEMENT_ATTACHED or plain old READ_ELEMENT. In addition, we
 * look at the device type in the inquiry_info to see whether it is a media
 * changer or tape device, and if it's a media changer device, we ignore the
 * attached bit (one beta tester found an old 4-tape DAT changer that set
- * the attached bit for both the tape device AND the media changer device). 
+ * the attached bit for both the tape device AND the media changer device).
 */
@@ -1155,7 +1156,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 	if (flags->no_attached)
 	{
-		/* override, sigh */ 
+		/* override, sigh */
 		is_attached = false;
 	}
@@ -1185,7 +1186,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 	ElementStatus->DataTransferElementCount = 0;
 	/* first, allocate some empty storage stuff: Note that we pass this
-	* down to ParseElementStatus (sigh!) 
+	* down to ParseElementStatus (sigh!)
 	*/
 	EmptyStorageElementAddress = (int *)xzmalloc((mode_sense->NumStorage+1)*sizeof(int));
@@ -1202,7 +1203,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 	for (i = 0; i < mode_sense->NumDataTransfer; i++)
 	{
 		/* initialize them to an illegal # so that we can fix later... */
-		ElementStatus->DataTransferElementSourceStorageElementNumber[i] = -1; 
+		ElementStatus->DataTransferElementSourceStorageElementNumber[i] = -1;
 	}
 	if (flags->querytype == MTX_ELEMENTSTATUS_ORIGINAL)
@@ -1308,7 +1309,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 			PrintRequestSense(RequestSense);
 #endif
 			FreeElementData(ElementStatus);
-			return NULL; 
+			return NULL;
 		}
 #ifdef DEBUG
@@ -1323,7 +1324,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 		/* grr, damned brain dead HP doesn't report that it has any! */
 		if (!mode_sense->NumMediumTransport)
-		{ 
+		{
 			ElementStatus->TransportElementAddress = 0; /* default it sensibly :-(. */
 		}
 		else
@@ -1347,8 +1348,8 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 				PrintRequestSense(RequestSense);
 #endif
 				FreeElementData(ElementStatus);
-				return NULL; 
+				return NULL;
-			} 
+			}
 #ifdef DEBUG
 			fprintf(stderr,"Parsing robot arm data\n");
 #endif
@@ -1366,8 +1367,8 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 		fprintf(stderr,"Using alternative element status polling method (all elements)\n");
 #endif
 		/* ----------------- ALL Elements ---------------------- */
-		/*	Just keep asking for elements till no more are returned 
+		/*	Just keep asking for elements till no more are returned
-			- increment our starting address as we go acording to the 
+			- increment our starting address as we go acording to the
 			number of elements returned from the last call
 		*/
@@ -1384,7 +1385,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 													mode_sense->MaxReadElementStatusData);
 			if (!DataBuffer)
 			{
-				if (RequestSense->AdditionalSenseCode == 0x21 && 
+				if (RequestSense->AdditionalSenseCode == 0x21 &&
 				RequestSense->AdditionalSenseCodeQualifier == 0x01)
 				{
 					/* Error is invalid element address, we've probably just hit the end */
@@ -1393,8 +1394,8 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 				/* darn. Free up stuff and return. */
 				FreeElementData(ElementStatus);
-				return NULL; 
+				return NULL;
-			} 
+			}
 			nLastEl = nNextEl;
@@ -1423,7 +1424,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 	 *
 	 * Pass1:
 	 *	Translate from raw element # to our translated # (if possible).
-	 *	First, check the SourceStorageElementNumbers against the list of 
+	 *	First, check the SourceStorageElementNumbers against the list of
 	 *	filled slots. If the slots indicated are empty, we accept that list as
 	 *	valid. Otherwise decide the SourceStorageElementNumbers are invalid.
 	 *
@@ -1432,7 +1433,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 	 *	then we must search for free slots, and assign SourceStorageElementNumbers
 	 *	to those free slots. We happen to already built a list of free
 	 *	slots as part of the process of reading the storage element numbers
-	 *	from the tape. So that's easy enough to do! 
+	 *	from the tape. So that's easy enough to do!
 	 */
 #ifdef DEBUG_TAPELIST
@@ -1448,7 +1449,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 	/*
 	 *	Now we re-assign origin slots if the "real" origin slot
-	 *	is obviously defective: 
+	 *	is obviously defective:
 	 */
 	/* pass one: */
 	for (i = 0; i < ElementStatus->DataTransferElementCount; i++)
@@ -1486,12 +1487,12 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 	 *	drives will be assigned a -1 (see the initialization loop for
 	 *	EmptyStorageElementAddress above), which will be reported as "slot 0"
 	 *	by the user interface. This is an invalid value, but more useful for us
-	 *	to have than just crapping out here :-(. 
+	 *	to have than just crapping out here :-(.
 	*/
 	empty_idx=0;
 	for (i = 0; i < ElementStatus->DataTransferElementCount; i++)
 	{
-		if (ElementStatus->DataTransferElementFull[i] && 
+		if (ElementStatus->DataTransferElementFull[i] &&
 			ElementStatus->DataTransferElementSourceStorageElementNumber[i] < 0)
 		{
 #ifdef DEBUG_TAPELIST
@@ -1543,7 +1544,7 @@ RequestSense_T *PositionElement(DEVICE_TYPE MediumChangerFD,
 /* Now the actual media movement routine! */
 RequestSense_T *MoveMedium(	DEVICE_TYPE MediumChangerFD, int SourceAddress,
-							int DestinationAddress, 
+							int DestinationAddress,
 							ElementStatus_T *ElementStatus,
 							Inquiry_T *inquiry_info, SCSI_Flags_T *flags)
 {
@@ -1646,7 +1647,7 @@ RequestSense_T *ExchangeMedium(	DEVICE_TYPE MediumChangerFD, int SourceAddress,
 #ifdef DEBUG_EXCHANGE
 	dump_cdb(&CDB,12);
-#endif  
+#endif
 	if (SCSI_ExecuteCommand(MediumChangerFD, Output, &CDB, 12,
 							NULL, 0, RequestSense) != 0)
@@ -1690,8 +1691,8 @@ RequestSense_T *Erase(DEVICE_TYPE MediumChangerFD)
 	return NULL;		/* Success! */
 }
-/* Routine to send an LOAD/UNLOAD from the MMC/SSC spec to a device. 
+/* Routine to send an LOAD/UNLOAD from the MMC/SSC spec to a device.
- * For tapes and changers this can be used either to eject a tape 
+ * For tapes and changers this can be used either to eject a tape
 * or to eject a magazine (on some Seagate changers, when sent to LUN 1 ).
 * For CD/DVDs this is used to Load or Unload a disc which is required by
 * some media changers.
@@ -1721,8 +1722,8 @@ int LoadUnload(DEVICE_TYPE fd, int bLoad)
 	return 0; /* did do! */
 }
-/* Routine to send an START/STOP from the MMC/SSC spec to a device. 
+/* Routine to send an START/STOP from the MMC/SSC spec to a device.
- * For tape drives this may be required prior to using the changer 
+ * For tape drives this may be required prior to using the changer
 * Load or Unload commands.
 * For CD/DVD drives this is used to Load or Unload a disc which may be
 * required by some media changers.
@@ -1746,9 +1747,9 @@ int StartStop(DEVICE_TYPE fd, int bStart)
 	return 0; /* did do! */
 }
-/* Routine to send a LOCK/UNLOCK from the SSC/MMC spec to a device. 
+/* Routine to send a LOCK/UNLOCK from the SSC/MMC spec to a device.
 * This can be used to prevent or allow the Tape or CD/DVD from being
- * removed. 
+ * removed.
 */
 int LockUnlock(DEVICE_TYPE fd, int bLock)
@@ -1876,7 +1877,7 @@ void PrintRequestSense(RequestSense_T *RequestSense)
 	fprintf(stderr, "mtx: Request Sense: Valid Residual=%s\n", RequestSense->Valid ? Yes : No);
 	if (RequestSense->ErrorCode == 0x70)
-	{ 
+	{
 		msg = "Current" ;
 	}
 	else if (RequestSense->ErrorCode == 0x71)
--- a/mtx-1.3.12/patches/mtx-1.3.12-mtx-library.patch
+++ b/mtx-1.3.12/patches/mtx-1.3.12-mtx-library.patch
@@ -0,0 +1,691 @@
 diff --git a/mtx-1.3.12/Makefile.in b/mtx-1.3.12/Makefile.in
 index 05894d2..18fc35b 100644
 --- a/mtx-1.3.12/Makefile.in
 +++ b/mtx-1.3.12/Makefile.in
@@ -3,16 +3,17 @@
 # USE GMAKE, NOT REGULAR BSD MAKE!)
 #
 # Valid targets:
 -#  linux86 freebsd86 solarissparc sgi dec vms 
 +#  linux86 freebsd86 solarissparc sgi dec vms
 #
 # Makefile changes by Lars Kellogg-Stedman for better integration with
 -# GNU Autoconf. 
 +# GNU Autoconf.
 # Version # for 'make dist'...
 VERSION=1.3.12
 BINS = mtx@EXEEXT@ tapeinfo@EXEEXT@ loaderinfo@EXEEXT@ scsitape@EXEEXT@ scsieject@EXEEXT@
 EXTRA_BINS = nsmhack@EXEEXT@
 +LIB=libmtx.a
 DBGS := $(BINS:%@EXEEXT@=%.dbg)
 MAN = mtx.1 tapeinfo.1 loaderinfo.1 scsitape.1 scsieject.1
 MAN_HTML := $(MAN:%.1=%.html)
@@ -46,7 +47,7 @@ VPATH = $(srcdir)
 # Linux on x86...
 #
 ifeq ($(TARGET),linux)
 -CFLAGS += -Wall
 +CFLAGS += -Wall -fpic -O3
 CPPFLAGS	+= -DLONG_PRINT_REQUEST_SENSE=1
 endif
@@ -64,7 +65,7 @@ LIBS		+= -lcam
 endif
 ifeq ($(TARGET),hpux)
 -CFLAGS += -O -D_HPUX_SOURCE -D __hpux__ 
 +CFLAGS += -O -D_HPUX_SOURCE -D __hpux__
 endif
 #
@@ -105,7 +106,7 @@ else
 	strip $< -o $@
 endif
 -all:	$(BINS)
 +all:	$(BINS) $(LIB)
 dbgs: $(DBGS)
@@ -113,7 +114,7 @@ install: $(BINS)
 	$(INSTALL_DIR) $(DESTDIR)$(sbindir)
 	for file in $(BINS); do \
 	$(INSTALL_BIN) "$$file" $(DESTDIR)$(sbindir) ; \
 -	done	
 +	done
 	$(INSTALL_DIR) $(DESTDIR)$(mandir) $(DESTDIR)$(mandir)/man1
 	for file in mtx.1 tapeinfo.1 scsitape.1 scsieject.1 loaderinfo.1 ; do \
 	$(INSTALL_DOC) "$$file"  $(DESTDIR)$(mandir)/man1 ; \
@@ -132,7 +133,7 @@ distclean: clean
 	rm -f Makefile config.h config.log config.cache config.status
 dist: distclean
 -	./makedist $(VERSION)	
 +	./makedist $(VERSION)
 loaderinfo@EXEEXT@: loaderinfo.o mtxl.o mtxl.h mtx.h $(EXTRA)
 	$(CC) $(LDFLAGS) -o loaderinfo@EXEEXT@ loaderinfo.o mtxl.o $(EXTRA) $(LIBS)
@@ -143,7 +144,7 @@ nsmhack@EXEEXT@: nsmhack.o mtxl.o $(EXTRA)
 mtx@EXEEXT@: mtx.o mtxl.o mtxl.h mtx.h $(EXTRA)
 	$(CC) $(LDFLAGS) -o mtx@EXEEXT@ mtx.o mtxl.o $(EXTRA) $(LIBS)
 -mam2debug@EXEEXT@: mtxl.o mam2debug.o mtx.h $(EXTRA)	
 +mam2debug@EXEEXT@: mtxl.o mam2debug.o mtx.h $(EXTRA)
 	$(CC) $(LDFLAGS) -o mam2debug@EXEEXT@ mtxl.o mam2debug.o $(EXTRA) $(LIBS)
 tapeinfo@EXEEXT@: tapeinfo.o mtxl.o mtx.h mtxl.h $(EXTRA)
@@ -160,6 +161,9 @@ scsitape.o: scsitape.c mtx.h mtxl.h
 scsieject@EXEEXT@: scsieject.o mtxl.o mtxl.h mtx.h $(EXTRA)
 	$(CC) $(LDFLAGS) -o scsieject@EXEEXT@ scsieject.o mtxl.o $(EXTRA) $(LIBS)
 +$(LIB): mtx.o mtxl.o
 +	ar qvs contrib/$(LIB) mtx.o mtxl.o
 +	$(CC) $(LDFLAGS) -shared -o contrib/libmtx.so mtx.o mtxl.o
 scsieject.o: scsieject.c mtx.h mtxl.h
 loaderinfo.o: loaderinfo.c mtx.h mtxl.h
 diff --git a/mtx-1.3.12/mtx.c b/mtx-1.3.12/mtx.c
 index fab11bb..e09d161 100644
 --- a/mtx-1.3.12/mtx.c
 +++ b/mtx-1.3.12/mtx.c
@@ -79,7 +79,8 @@ static char *PeripheralDeviceType[32] =
 static int argc;
 static char **argv;
 -static char *device=NULL;		/* the device name passed as argument */
 +char *device=NULL;		/* the device name passed as argument */
 +int absolute_addressing=0; /* if not 0 -  use absolute adresses of storage and tranport elements as known to the robot */
 /*	Unfortunately this must be true for SGI, because SGI does not
 	use an int :-(.
@@ -496,14 +497,24 @@ static void Status(void)
 		 TransferElementNumber < ElementStatus->DataTransferElementCount;
 		 TransferElementNumber++)
 	{
 -		
 +	  if (absolute_addressing==0) {
 		printf("Data Transfer Element %d:", TransferElementNumber);
 +	    }
 +	  else {
 +	        printf("Data Transfer Element %d  :", ElementStatus->DataTransferElementAddress[TransferElementNumber]);
 +	  }
 		if (ElementStatus->DataTransferElementFull[TransferElementNumber])
 		{
 			if (ElementStatus->DataTransferElementSourceStorageElementNumber[TransferElementNumber] > -1)
 			{
 -				printf("Full (Storage Element %d Loaded)",
 -						ElementStatus->DataTransferElementSourceStorageElementNumber[TransferElementNumber]+1);
 +			  if (absolute_addressing==0) {
 +			      printf("Full (Storage Element %d Loaded)",
 +				     ElementStatus->DataTransferElementSourceStorageElementNumber[TransferElementNumber]+1);
 +			    }
 +			  else {
 +			    printf("Full (Storage Element %d Loaded)",
 +				   ElementStatus->StorageElementAddress[TransferElementNumber]);
 +			  }
 			}
 			else
 			{
@@ -531,9 +542,16 @@ static void Status(void)
 		 StorageElementNumber < ElementStatus->StorageElementCount;
 		 StorageElementNumber++)
 	{
 +	  if (absolute_addressing==0) {
 		printf(	"      Storage Element %d%s:%s", StorageElementNumber + 1,
 				(ElementStatus->StorageElementIsImportExport[StorageElementNumber]) ? " IMPORT/EXPORT" : "",
 				(ElementStatus->StorageElementFull[StorageElementNumber] ? "Full " : "Empty"));
 +	    }
 +	  else {
 +		printf(	"      Storage Element %d%s:%s", ElementStatus->StorageElementAddress[StorageElementNumber],
 +				(ElementStatus->StorageElementIsImportExport[StorageElementNumber]) ? " IMPORT/EXPORT" : "",
 +				(ElementStatus->StorageElementFull[StorageElementNumber] ? "Full " : "Empty"));
 +	  }    
 		if (ElementStatus->PrimaryVolumeTag[StorageElementNumber][0])
 		{
@@ -918,7 +936,6 @@ void execute_command(struct command_table_struct *command)
 		}
 		open_device();
 	}
 -
 	if (!ElementStatus && command->need_status)
 	{
 		inquiry_info = RequestInquiry(MediumChangerFD,&RequestSense);
 diff --git a/mtx-1.3.12/mtxl.c b/mtx-1.3.12/mtxl.c
 index c468f88..5e3b921 100644
 --- a/mtx-1.3.12/mtxl.c
 +++ b/mtx-1.3.12/mtxl.c
@@ -23,7 +23,7 @@
 /*
  *	FatalError: changed Feb. 2000 elg@badtux.org to eliminate a buffer
 - *	overflow :-(. That could be important if mtxl is SUID for some reason. 
 + *	overflow :-(. That could be important if mtxl is SUID for some reason.
 */
 #include "mtx.h"
@@ -34,7 +34,7 @@
 /* #define DEBUG_MODE_SENSE 1 */
 /* #define DEBUG */
 /* #define DEBUG_SCSI */
 -#define __WEIRD_CHAR_SUPPRESS 1 
 +#define __WEIRD_CHAR_SUPPRESS 1
 /* zap the following define when we finally add real import/export support */
 #define IMPORT_EXPORT_HACK 1 /* for the moment, import/export == storage */
@@ -100,7 +100,7 @@ Inquiry_T *RequestInquiry(DEVICE_TYPE fd, RequestSense_T *RequestSense)
 	Inquiry_T *Inquiry;
 	CDB_T CDB;
 -	Inquiry = (Inquiry_T *) xmalloc(sizeof(Inquiry_T));  
 +	Inquiry = (Inquiry_T *) xmalloc(sizeof(Inquiry_T));
 	CDB[0] = 0x12;		/* INQUIRY */
 	CDB[1] = 0;			/* EVPD = 0 */
@@ -231,7 +231,8 @@ void FatalError(char *ErrorMessage, ...)
 	va_end(ArgumentPointer);
 #ifndef VMS
 -	exit(1);
 +	//exit(1);
 +	return; /* if used as library routine it can not exit, because this would terminate the caller */
 #else
 	sys$exit(VMS_ExitCode);
 #endif
@@ -280,10 +281,10 @@ int max(int x, int y)
 /* Okay, this is a hack for the NSM modular jukebox series, which
 - * uses the "SEND DIAGNOSTIC" command to do shit. 
 + * uses the "SEND DIAGNOSTIC" command to do shit.
  */
 -int SendNSMHack(DEVICE_TYPE MediumChangerFD, NSM_Param_T *nsm_command, 
 +int SendNSMHack(DEVICE_TYPE MediumChangerFD, NSM_Param_T *nsm_command,
 		int param_len, int timeout)
 {
 	CDB_T CDB;
@@ -362,7 +363,7 @@ NSM_Result_T *RecNSMHack(	DEVICE_TYPE MediumChangerFD,
 /* Routine to inventory the library. Needed by, e.g., some Breece Hill
  * loaders. Sends an INITIALIZE_ELEMENT_STATUS command. This command
 - * has no parameters, such as a range to scan :-(. 
 + * has no parameters, such as a range to scan :-(.
  */
 int Inventory(DEVICE_TYPE MediumChangerFD)
@@ -370,7 +371,7 @@ int Inventory(DEVICE_TYPE MediumChangerFD)
 	CDB_T	CDB;
 	/* okay, now for the command: */
 -	CDB[0] = 0x07; 
 +	CDB[0] = 0x07;
 	CDB[1] = CDB[2] = CDB[3] = CDB[4] = CDB[5] = 0;
 	/* set us a very long timeout, sigh... */
@@ -394,8 +395,8 @@ int Inventory(DEVICE_TYPE MediumChangerFD)
 /* Routine to read the Mode Sense Element Address Assignment Page */
 /* We try to read the page. If we can't read the page, we return NULL.
  * Our caller really isn't too worried about why we could not read the
 - * page, it will simply default to some kind of default values. 
 - */ 
 + * page, it will simply default to some kind of default values.
 + */
 ElementModeSense_T *ReadAssignmentPage(DEVICE_TYPE MediumChangerFD)
 {
 	CDB_T CDB;
@@ -405,7 +406,7 @@ ElementModeSense_T *ReadAssignmentPage(DEVICE_TYPE MediumChangerFD)
 	/* okay, now for the command: */
 	CDB[0] = 0x1A; /* Mode Sense(6) */
 -	CDB[1] = 0x08; 
 +	CDB[1] = 0x08;
 	CDB[2] = 0x1D; /* Mode Sense Element Address Assignment Page */
 	CDB[3] = 0;
 	CDB[4] = 136; /* allocation_length... */
@@ -482,7 +483,7 @@ ElementModeSense_T *ReadAssignmentPage(DEVICE_TYPE MediumChangerFD)
 		((int)sense_page->NumStorageHi << 8) + sense_page->NumStorageLo;
 	retval->ImportExportStart =
 -		((int)sense_page->ImportExportStartHi << 8) + sense_page->ImportExportStartLo; 
 +		((int)sense_page->ImportExportStartHi << 8) + sense_page->ImportExportStartLo;
 	retval->NumImportExport =
 		((int)sense_page->NumImportExportHi << 8) + sense_page->NumImportExportLo;
@@ -494,7 +495,7 @@ ElementModeSense_T *ReadAssignmentPage(DEVICE_TYPE MediumChangerFD)
 		((int)sense_page->NumDataTransferHi << 8) + sense_page->NumDataTransferLo;
 	/* allocate a couple spares 'cause some HP autochangers and maybe others
 -	* don't properly report the robotics arm(s) count here... 
 +	* don't properly report the robotics arm(s) count here...
 	*/
 	retval->NumElements =
 		retval->NumStorage+retval->NumImportExport +
@@ -549,7 +550,7 @@ static ElementStatus_T *AllocateElementData(ElementModeSense_T *mode_sense)
 	retval->DataTransferElementAddress =
 		(int *)xzmalloc(sizeof(int) * (mode_sense->NumDataTransfer + 1));
 -	retval->DataTransferElementSourceStorageElementNumber = 
 +	retval->DataTransferElementSourceStorageElementNumber =
 		(int *)xzmalloc(sizeof(int) * (mode_sense->NumDataTransfer + 1));
 	retval->DataTransferPrimaryVolumeTag =
 		(barcode *)xzmalloc(sizeof(barcode) * (mode_sense->NumDataTransfer + 1));
@@ -587,14 +588,14 @@ void copy_barcode(unsigned char *src, unsigned char *dest)
 		dest++;
 	}
 -	*dest = 0; /* null-terminate */ 
 +	*dest = 0; /* null-terminate */
 }
 /* This #%!@# routine has more parameters than I can count! */
 static unsigned char *SendElementStatusRequestActual(
 					DEVICE_TYPE MediumChangerFD,
 					RequestSense_T *RequestSense,
 -					Inquiry_T *inquiry_info, 
 +					Inquiry_T *inquiry_info,
 					SCSI_Flags_T *flags,
 					int ElementStart,
 					int NumElements,
@@ -609,7 +610,7 @@ static unsigned char *SendElementStatusRequestActual(
 #ifdef HAVE_GET_ID_LUN
 	scsi_id_t *scsi_id;
 #endif
 -	if (inquiry_info->MChngr && 
 +	if (inquiry_info->MChngr &&
 		inquiry_info->PeripheralDeviceType != MEDIUM_CHANGER_TYPE)
 	{
 		is_attached = true;
@@ -617,7 +618,7 @@ static unsigned char *SendElementStatusRequestActual(
 	if (flags->no_attached)
 	{
 -		/* override, sigh */ 
 +		/* override, sigh */
 		is_attached = false;
 	}
@@ -633,11 +634,11 @@ static unsigned char *SendElementStatusRequestActual(
 	if (is_attached)
 	{
 -		CDB[0] = 0xB4;  /* whoops, READ_ELEMENT_STATUS_ATTACHED! */ 
 +		CDB[0] = 0xB4;  /* whoops, READ_ELEMENT_STATUS_ATTACHED! */
 	}
 #ifdef HAVE_GET_ID_LUN
 -	CDB[1] = (scsi_id->lun << 5) | ((flags->no_barcodes) ? 
 +	CDB[1] = (scsi_id->lun << 5) | ((flags->no_barcodes) ?
 		0 : 0x10) | flags->elementtype;  /* Lun + VolTag + Type code */
 	free(scsi_id);
 #else
@@ -677,7 +678,7 @@ static unsigned char *SendElementStatusRequestActual(
 		/*
 			First see if we have sense key of 'illegal request',
 -			additional sense code of '24', additional sense qualfier of 
 +			additional sense code of '24', additional sense qualfier of
 			'0', and field in error of '4'. This means that we issued a request
 			w/bar code reader and did not have one, thus must re-issue the request
 			w/out barcode :-(.
@@ -722,14 +723,14 @@ static unsigned char *SendElementStatusRequestActual(
 	PrintRequestSense(RequestSense); /* see what it sez :-(. */
 	fprintf(stderr,"Data:\n");
 	PrintHex(2, DataBuffer, 40);
 -#endif  
 +#endif
 	return DataBuffer; /* we succeeded! */
 }
 unsigned char *SendElementStatusRequest(DEVICE_TYPE MediumChangerFD,
 										RequestSense_T *RequestSense,
 -										Inquiry_T *inquiry_info, 
 +										Inquiry_T *inquiry_info,
 										SCSI_Flags_T *flags,
 										int ElementStart,
 										int NumElements,
@@ -750,7 +751,7 @@ unsigned char *SendElementStatusRequest(DEVICE_TYPE MediumChangerFD,
 	/*
 		One weird loader wants either 8 or BYTE_COUNT_OF_REPORT
 		values for the ALLOCATION_LENGTH. Give it what it wants
 -		if we get an Sense Key of 05 Illegal Request with a 
 +		if we get an Sense Key of 05 Illegal Request with a
 		CDB position of 7 as the field in error.
 	*/
@@ -882,7 +883,7 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 		{
 			/* TransportElementDescriptor =
 			(TransportElementDescriptor_T *) DataPointer; */
 -			memcpy(&TEBuf, DataPointer, 
 +			memcpy(&TEBuf, DataPointer,
 				(TransportElementDescriptorLength <= sizeof(TEBuf)) ?
 					TransportElementDescriptorLength  :
 					sizeof(TEBuf));
@@ -909,7 +910,7 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 			case MediumTransportElement:
 				ElementStatus->TransportElementAddress = BigEndian16(TransportElementDescriptor->ElementAddress);
 #ifdef DEBUG
 -				fprintf(stderr,"TransportElementAddress=%d\n",ElementStatus->TransportElementAddress); 
 +				fprintf(stderr,"TransportElementAddress=%d\n",ElementStatus->TransportElementAddress);
 #endif
 				break;
@@ -936,7 +937,7 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 				ElementStatus->StorageElementFull[ImportExportIndex] =
 					TransportElementDescriptor->Full;
 -				if ( (TransportElementDescriptorLength > 11) && 
 +				if ( (TransportElementDescriptorLength > 11) &&
 					(ElementStatusPage->VolBits & E2_AVOLTAG))
 				{
 					copy_barcode(TransportElementDescriptor->AlternateVolumeTag,
@@ -945,8 +946,8 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 				else
 				{
 					ElementStatus->AlternateVolumeTag[ImportExportIndex][0] = 0;  /* null string. */;
 -				} 
 -				if ((TransportElementDescriptorLength > 11) && 
 +				}
 +				if ((TransportElementDescriptorLength > 11) &&
 					(ElementStatusPage->VolBits & E2_PVOLTAG))
 				{
 					copy_barcode(TransportElementDescriptor->PrimaryVolumeTag,
@@ -967,8 +968,8 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 				fprintf(stderr,"StorageElementCount=%d  ElementAddress = %d ",ElementStatus->StorageElementCount,BigEndian16(TransportElementDescriptor->ElementAddress));
 #endif
 				/* ATL/Exabyte kludge -- skip slots that aren't installed :-( */
 -				if (TransportElementDescriptor->AdditionalSenseCode==0x83 && 
 -					TransportElementDescriptor->AdditionalSenseCodeQualifier==0x02) 
 +				if (TransportElementDescriptor->AdditionalSenseCode==0x83 &&
 +					TransportElementDescriptor->AdditionalSenseCodeQualifier==0x02)
 					continue;
 				ElementStatus->StorageElementAddress[ElementStatus->StorageElementCount] =
@@ -986,7 +987,7 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 						ElementStatus->StorageElementCount; /* slot idx. */
 					/*   ElementStatus->StorageElementAddress[ElementStatus->StorageElementCount]; */
 				}
 -				if ((TransportElementDescriptorLength >  11) && 
 +				if ((TransportElementDescriptorLength >  11) &&
 					(ElementStatusPage->VolBits & E2_AVOLTAG))
 				{
 					copy_barcode(TransportElementDescriptor->AlternateVolumeTag,
@@ -995,8 +996,8 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 				else
 				{
 					ElementStatus->AlternateVolumeTag[ElementStatus->StorageElementCount][0]=0;  /* null string. */;
 -				} 
 -				if ((TransportElementDescriptorLength > 11) && 
 +				}
 +				if ((TransportElementDescriptorLength > 11) &&
 					(ElementStatusPage->VolBits & E2_PVOLTAG))
 				{
 					copy_barcode(TransportElementDescriptor->PrimaryVolumeTag,
@@ -1009,9 +1010,9 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 				ElementStatus->StorageElementCount++;
 				/*
 -					Note that the original mtx had no check here for 
 +					Note that the original mtx had no check here for
 					buffer overflow, though some drives might mistakingly
 -					do one... 
 +					do one...
 				*/
 				if (ElementStatus->StorageElementCount > mode_sense->NumStorage)
@@ -1033,33 +1034,33 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 				report that they have a 2nd tape drive when they don't. We
 				could generalize this in an ideal world, but my attempt to
 				do so failed with dual-drive Exabyte tape libraries that
 -				*DID* have the second drive. Sigh. 
 +				*DID* have the second drive. Sigh.
 				*/
 -				if (TransportElementDescriptor->AdditionalSenseCode==0x83 && 
 +				if (TransportElementDescriptor->AdditionalSenseCode==0x83 &&
 					TransportElementDescriptor->AdditionalSenseCodeQualifier==0x04)
 				{
 					continue;
 				}
 				/*	generalize it. Does it work? Let's try it! */
 -				/*	
 +				/*
 					No, dammit, following does not work on dual-drive Exabyte
 					'cause if a tape is in the drive, it sets the AdditionalSense
 					code to something (sigh).
 				*/
 				/* if (TransportElementDescriptor->AdditionalSenseCode!=0)
 					continue;
 -				*/ 
 +				*/
 				ElementStatus->DataTransferElementAddress[ElementStatus->DataTransferElementCount] =
 					BigEndian16(TransportElementDescriptor->ElementAddress);
 -				ElementStatus->DataTransferElementFull[ElementStatus->DataTransferElementCount] = 
 +				ElementStatus->DataTransferElementFull[ElementStatus->DataTransferElementCount] =
 					TransportElementDescriptor->Full;
 				ElementStatus->DataTransferElementSourceStorageElementNumber[ElementStatus->DataTransferElementCount] =
 					BigEndian16(TransportElementDescriptor->SourceStorageElementAddress);
 #ifdef DEBUG
 -				fprintf(stderr, "%d: ElementAddress = %d, Full = %d, SourceElement = %d\n", 
 +				fprintf(stderr, "%d: ElementAddress = %d, Full = %d, SourceElement = %d\n",
 						ElementStatus->DataTransferElementCount,
 						ElementStatus->DataTransferElementAddress[ElementStatus->DataTransferElementCount],
 						ElementStatus->DataTransferElementFull[ElementStatus->DataTransferElementCount],
@@ -1118,17 +1119,17 @@ static void ParseElementStatus(	int *EmptyStorageElementAddress,
 /*
  * We no longer do the funky trick to figure out ALLOCATION_LENGTH.
  * Instead, we use the SCSI Generic command rather than SEND_SCSI_COMMAND
 - * under Linux, which gets around the @#%@ 4k buffer size in Linux. 
 + * under Linux, which gets around the @#%@ 4k buffer size in Linux.
  * We still have the restriction that Linux cuts off the last two
  * bytes of the SENSE DATA (Q#@$%@#$^ Linux!). Which means that the
 - * verbose widget won't work :-(. 
 - 
 + * verbose widget won't work :-(.
 +
  * We now look for that "attached" bit in the inquiry_info to see whether
  * to use READ_ELEMENT_ATTACHED or plain old READ_ELEMENT. In addition, we
  * look at the device type in the inquiry_info to see whether it is a media
  * changer or tape device, and if it's a media changer device, we ignore the
  * attached bit (one beta tester found an old 4-tape DAT changer that set
 - * the attached bit for both the tape device AND the media changer device). 
 + * the attached bit for both the tape device AND the media changer device).
 */
@@ -1155,7 +1156,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 	if (flags->no_attached)
 	{
 -		/* override, sigh */ 
 +		/* override, sigh */
 		is_attached = false;
 	}
@@ -1185,7 +1186,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 	ElementStatus->DataTransferElementCount = 0;
 	/* first, allocate some empty storage stuff: Note that we pass this
 -	* down to ParseElementStatus (sigh!) 
 +	* down to ParseElementStatus (sigh!)
 	*/
 	EmptyStorageElementAddress = (int *)xzmalloc((mode_sense->NumStorage+1)*sizeof(int));
@@ -1202,7 +1203,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 	for (i = 0; i < mode_sense->NumDataTransfer; i++)
 	{
 		/* initialize them to an illegal # so that we can fix later... */
 -		ElementStatus->DataTransferElementSourceStorageElementNumber[i] = -1; 
 +		ElementStatus->DataTransferElementSourceStorageElementNumber[i] = -1;
 	}
 	if (flags->querytype == MTX_ELEMENTSTATUS_ORIGINAL)
@@ -1308,7 +1309,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 			PrintRequestSense(RequestSense);
 #endif
 			FreeElementData(ElementStatus);
 -			return NULL; 
 +			return NULL;
 		}
 #ifdef DEBUG
@@ -1323,7 +1324,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 		/* grr, damned brain dead HP doesn't report that it has any! */
 		if (!mode_sense->NumMediumTransport)
 -		{ 
 +		{
 			ElementStatus->TransportElementAddress = 0; /* default it sensibly :-(. */
 		}
 		else
@@ -1347,8 +1348,8 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 				PrintRequestSense(RequestSense);
 #endif
 				FreeElementData(ElementStatus);
 -				return NULL; 
 -			} 
 +				return NULL;
 +			}
 #ifdef DEBUG
 			fprintf(stderr,"Parsing robot arm data\n");
 #endif
@@ -1366,8 +1367,8 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 		fprintf(stderr,"Using alternative element status polling method (all elements)\n");
 #endif
 		/* ----------------- ALL Elements ---------------------- */
 -		/*	Just keep asking for elements till no more are returned 
 -			- increment our starting address as we go acording to the 
 +		/*	Just keep asking for elements till no more are returned
 +			- increment our starting address as we go acording to the
 			number of elements returned from the last call
 		*/
@@ -1384,7 +1385,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 													mode_sense->MaxReadElementStatusData);
 			if (!DataBuffer)
 			{
 -				if (RequestSense->AdditionalSenseCode == 0x21 && 
 +				if (RequestSense->AdditionalSenseCode == 0x21 &&
 				RequestSense->AdditionalSenseCodeQualifier == 0x01)
 				{
 					/* Error is invalid element address, we've probably just hit the end */
@@ -1393,8 +1394,8 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 				/* darn. Free up stuff and return. */
 				FreeElementData(ElementStatus);
 -				return NULL; 
 -			} 
 +				return NULL;
 +			}
 			nLastEl = nNextEl;
@@ -1423,7 +1424,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 	 *
 	 * Pass1:
 	 *	Translate from raw element # to our translated # (if possible).
 -	 *	First, check the SourceStorageElementNumbers against the list of 
 +	 *	First, check the SourceStorageElementNumbers against the list of
 	 *	filled slots. If the slots indicated are empty, we accept that list as
 	 *	valid. Otherwise decide the SourceStorageElementNumbers are invalid.
 	 *
@@ -1432,7 +1433,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 	 *	then we must search for free slots, and assign SourceStorageElementNumbers
 	 *	to those free slots. We happen to already built a list of free
 	 *	slots as part of the process of reading the storage element numbers
 -	 *	from the tape. So that's easy enough to do! 
 +	 *	from the tape. So that's easy enough to do!
 	 */
 #ifdef DEBUG_TAPELIST
@@ -1448,7 +1449,7 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 	/*
 	 *	Now we re-assign origin slots if the "real" origin slot
 -	 *	is obviously defective: 
 +	 *	is obviously defective:
 	 */
 	/* pass one: */
 	for (i = 0; i < ElementStatus->DataTransferElementCount; i++)
@@ -1486,12 +1487,12 @@ ElementStatus_T *ReadElementStatus(DEVICE_TYPE MediumChangerFD, RequestSense_T *
 	 *	drives will be assigned a -1 (see the initialization loop for
 	 *	EmptyStorageElementAddress above), which will be reported as "slot 0"
 	 *	by the user interface. This is an invalid value, but more useful for us
 -	 *	to have than just crapping out here :-(. 
 +	 *	to have than just crapping out here :-(.
 	*/
 	empty_idx=0;
 	for (i = 0; i < ElementStatus->DataTransferElementCount; i++)
 	{
 -		if (ElementStatus->DataTransferElementFull[i] && 
 +		if (ElementStatus->DataTransferElementFull[i] &&
 			ElementStatus->DataTransferElementSourceStorageElementNumber[i] < 0)
 		{
 #ifdef DEBUG_TAPELIST
@@ -1543,7 +1544,7 @@ RequestSense_T *PositionElement(DEVICE_TYPE MediumChangerFD,
 /* Now the actual media movement routine! */
 RequestSense_T *MoveMedium(	DEVICE_TYPE MediumChangerFD, int SourceAddress,
 -							int DestinationAddress, 
 +							int DestinationAddress,
 							ElementStatus_T *ElementStatus,
 							Inquiry_T *inquiry_info, SCSI_Flags_T *flags)
 {
@@ -1646,7 +1647,7 @@ RequestSense_T *ExchangeMedium(	DEVICE_TYPE MediumChangerFD, int SourceAddress,
 #ifdef DEBUG_EXCHANGE
 	dump_cdb(&CDB,12);
 -#endif  
 +#endif
 	if (SCSI_ExecuteCommand(MediumChangerFD, Output, &CDB, 12,
 							NULL, 0, RequestSense) != 0)
@@ -1690,8 +1691,8 @@ RequestSense_T *Erase(DEVICE_TYPE MediumChangerFD)
 	return NULL;		/* Success! */
 }
 -/* Routine to send an LOAD/UNLOAD from the MMC/SSC spec to a device. 
 - * For tapes and changers this can be used either to eject a tape 
 +/* Routine to send an LOAD/UNLOAD from the MMC/SSC spec to a device.
 + * For tapes and changers this can be used either to eject a tape
  * or to eject a magazine (on some Seagate changers, when sent to LUN 1 ).
  * For CD/DVDs this is used to Load or Unload a disc which is required by
  * some media changers.
@@ -1721,8 +1722,8 @@ int LoadUnload(DEVICE_TYPE fd, int bLoad)
 	return 0; /* did do! */
 }
 -/* Routine to send an START/STOP from the MMC/SSC spec to a device. 
 - * For tape drives this may be required prior to using the changer 
 +/* Routine to send an START/STOP from the MMC/SSC spec to a device.
 + * For tape drives this may be required prior to using the changer
  * Load or Unload commands.
  * For CD/DVD drives this is used to Load or Unload a disc which may be
  * required by some media changers.
@@ -1746,9 +1747,9 @@ int StartStop(DEVICE_TYPE fd, int bStart)
 	return 0; /* did do! */
 }
 -/* Routine to send a LOCK/UNLOCK from the SSC/MMC spec to a device. 
 +/* Routine to send a LOCK/UNLOCK from the SSC/MMC spec to a device.
  * This can be used to prevent or allow the Tape or CD/DVD from being
 - * removed. 
 + * removed.
  */
 int LockUnlock(DEVICE_TYPE fd, int bLock)
@@ -1876,7 +1877,7 @@ void PrintRequestSense(RequestSense_T *RequestSense)
 	fprintf(stderr, "mtx: Request Sense: Valid Residual=%s\n", RequestSense->Valid ? Yes : No);
 	if (RequestSense->ErrorCode == 0x70)
 -	{ 
 +	{
 		msg = "Current" ;
 	}
 	else if (RequestSense->ErrorCode == 0x71)