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1 files changed, 59 insertions, 0 deletions

diff --git a/unix/gdev/m70vms/zopm70.x b/unix/gdev/m70vms/zopm70.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<mach.h>
+include	<knet.h>
+include	"m70.h"
+
+# ZOPM70 -- Open the IIS for binary file i/o.  The device will be automatically
+# allocated if necessary.
+
+procedure zopm70 (device, mode, chan)
+
+char	device[ARB]		# packed VMS device name
+int	mode			# access mode
+int	chan			# receives device channel
+
+pointer	fcb
+int	kchan
+char	upkdev[SZ_FNAME]
+int	ki_connect()
+
+short	ier
+%	character m70*4
+%	integer*2 namw(2)
+%	equivalence (m70, namw)
+
+begin
+	call calloc (fcb, LEN_FCB, TY_SHORT)
+
+	# Use the binary file driver if the device resides on a remote node.
+	# This precludes remote access to a VMS hosted IIS at present.
+
+	if (ki_connect (device) != NULL) {
+	    call zopnbf (device, mode, kchan)
+	    if (kchan != ERR)
+		FCB_KCHAN(fcb) = kchan
+	} else {
+	    # Load string descriptor for device name into FCB.
+	    call strupk (device, upkdev, SZ_FNAME)
+%	    call f77pak (upkdev, m70, 4)
+
+	    FCB_U_NAME(fcb,1) = namw[1]
+	    FCB_U_NAME(fcb,2) = namw[2]
+	    FCB_KCHAN(fcb)    = NULL
+	    FCB_STATUS(fcb)   = IIS_INACTIVE
+	    FCB_NBYTES(fcb)   = 0
+
+	    # Allocate and open the device.
+	    call m70get (Mems[fcb], ier)
+	    kchan = ier
+	    if (kchan != 0)
+		kchan = ERR
+	}
+
+	if (kchan < 0) {
+	    call mfree (fcb, TY_SHORT)
+	    chan = ERR
+	} else
+	    chan = fcb
+end