From 36bdc64e3921c922ab7f9559f4c817b145d54957 Mon Sep 17 00:00:00 2001
From: Gerald Pfeifer <gerald@pfeifer.com>
Date: Sun, 5 Feb 2006 13:51:03 +0100
Subject: [PATCH] ntdll: Use struct mtget.mt_blksiz on systems featuring this.
 Work around using struct mtget.mt_gstat on systems lacking this.

---
 configure           | 228 ++++++++++++++++++++++++++++++++++++++++++++
 configure.ac        |   6 ++
 dlls/ntdll/tape.c   |  12 +++
 include/config.h.in |   6 ++
 4 files changed, 252 insertions(+)

diff --git a/configure b/configure
index 2d3080b6a54..fb51ce2c5b3 100755
--- a/configure
+++ b/configure
@@ -18074,6 +18074,234 @@ _ACEOF
 fi
 
 
+echo "$as_me:$LINENO: checking for struct mtget.mt_blksiz" >&5
+echo $ECHO_N "checking for struct mtget.mt_blksiz... $ECHO_C" >&6
+if test "${ac_cv_member_struct_mtget_mt_blksiz+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifdef HAVE_SYS_MTIO_H
+#include <sys/mtio.h>
+#endif
+
+int
+main ()
+{
+static struct mtget ac_aggr;
+if (ac_aggr.mt_blksiz)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_member_struct_mtget_mt_blksiz=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifdef HAVE_SYS_MTIO_H
+#include <sys/mtio.h>
+#endif
+
+int
+main ()
+{
+static struct mtget ac_aggr;
+if (sizeof ac_aggr.mt_blksiz)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_member_struct_mtget_mt_blksiz=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_member_struct_mtget_mt_blksiz=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_member_struct_mtget_mt_blksiz" >&5
+echo "${ECHO_T}$ac_cv_member_struct_mtget_mt_blksiz" >&6
+if test $ac_cv_member_struct_mtget_mt_blksiz = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_MTGET_MT_BLKSIZ 1
+_ACEOF
+
+
+fi
+echo "$as_me:$LINENO: checking for struct mtget.mt_gstat" >&5
+echo $ECHO_N "checking for struct mtget.mt_gstat... $ECHO_C" >&6
+if test "${ac_cv_member_struct_mtget_mt_gstat+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifdef HAVE_SYS_MTIO_H
+#include <sys/mtio.h>
+#endif
+
+int
+main ()
+{
+static struct mtget ac_aggr;
+if (ac_aggr.mt_gstat)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_member_struct_mtget_mt_gstat=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifdef HAVE_SYS_MTIO_H
+#include <sys/mtio.h>
+#endif
+
+int
+main ()
+{
+static struct mtget ac_aggr;
+if (sizeof ac_aggr.mt_gstat)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_member_struct_mtget_mt_gstat=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_member_struct_mtget_mt_gstat=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_member_struct_mtget_mt_gstat" >&5
+echo "${ECHO_T}$ac_cv_member_struct_mtget_mt_gstat" >&6
+if test $ac_cv_member_struct_mtget_mt_gstat = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_MTGET_MT_GSTAT 1
+_ACEOF
+
+
+fi
+
+
 echo "$as_me:$LINENO: checking for struct option.name" >&5
 echo $ECHO_N "checking for struct option.name... $ECHO_C" >&6
 if test "${ac_cv_member_struct_option_name+set}" = set; then
diff --git a/configure.ac b/configure.ac
index f3e961e6953..17caf2fcf72 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1427,6 +1427,12 @@ AC_CHECK_MEMBERS([scsireq_t.cmd, sg_io_hdr_t.interface_id],,,
 dnl Check for siginfo_t members
 AC_CHECK_MEMBERS([siginfo_t.si_fd],,,[#include <signal.h>])
 
+dnl Check for struct mtget members
+AC_CHECK_MEMBERS([struct mtget.mt_blksiz, struct mtget.mt_gstat],,,
+[#ifdef HAVE_SYS_MTIO_H
+#include <sys/mtio.h>
+#endif])
+
 dnl Check for struct option
 AC_CHECK_MEMBERS([struct option.name],,,
 [#ifdef HAVE_GETOPT_H
diff --git a/dlls/ntdll/tape.c b/dlls/ntdll/tape.c
index 41d413171a4..9a25ea8b4fc 100644
--- a/dlls/ntdll/tape.c
+++ b/dlls/ntdll/tape.c
@@ -177,7 +177,11 @@ static NTSTATUS TAPE_GetDriveParams( int fd, TAPE_GET_DRIVE_PARAMETERS *data )
     data->Compression = FALSE;
     data->DataPadding = FALSE;
     data->ReportSetmarks = FALSE;
+#ifdef HAVE_STRUCT_MTGET_MT_BLKSIZ
+    data->DefaultBlockSize = get.mt_blksiz;
+#else
     data->DefaultBlockSize = get.mt_dsreg & MT_ST_BLKSIZE_MASK;
+#endif
     data->MaximumBlockSize = data->DefaultBlockSize;
     data->MinimumBlockSize = data->DefaultBlockSize;
     data->MaximumPartitionCount = 1;
@@ -208,9 +212,17 @@ static NTSTATUS TAPE_GetMediaParams( int fd, TAPE_GET_MEDIA_PARAMETERS *data )
 
     data->Capacity.u.LowPart = 1024 * 1024 * 1024;
     data->Remaining.u.LowPart = 1024 * 1024 * 1024;
+#ifdef HAVE_STRUCT_MTGET_MT_BLKSIZ
+    data->BlockSize = get.mt_blksiz;
+#else
     data->BlockSize = get.mt_dsreg & MT_ST_BLKSIZE_MASK;
+#endif
     data->PartitionCount = 1;
+#ifdef HAVE_STRUCT_MTGET_GSTAT
     data->WriteProtected = GMT_WR_PROT(get.mt_gstat);
+#else
+    data->WriteProtected = 0;
+#endif
 
     return status;
 #else
diff --git a/include/config.h.in b/include/config.h.in
index 3a423cfda88..62942f7cc98 100644
--- a/include/config.h.in
+++ b/include/config.h.in
@@ -614,6 +614,12 @@
 /* Define to 1 if `msg_accrights' is member of `struct msghdr'. */
 #undef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
 
+/* Define to 1 if `mt_blksiz' is member of `struct mtget'. */
+#undef HAVE_STRUCT_MTGET_MT_BLKSIZ
+
+/* Define to 1 if `mt_gstat' is member of `struct mtget'. */
+#undef HAVE_STRUCT_MTGET_MT_GSTAT
+
 /* Define to 1 if `name' is member of `struct option'. */
 #undef HAVE_STRUCT_OPTION_NAME