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1 files changed, 44 insertions, 0 deletions

diff --git a/sys/mtio/mtencode.x b/sys/mtio/mtencode.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+# MTENCODE -- Construct a full magtape device specification.  This routine is
+# the opposite of MTPARSE.  If the file and record numbers are to be omitted
+# from the output mtname they should be passed as ERR.
+
+procedure mtencode (outstr, maxch, device, fileno, recno, attrl)
+
+char	outstr[ARB]			#O magtape device specification
+int	maxch				#I max chars out
+char	device[ARB]			#I device name (incl node)
+int	fileno, recno			#I file and record numbers, or ERR
+char	attrl[ARB]			#I tapecap attributes
+
+int	op
+int	gstrcpy()
+int	itoc()
+
+begin
+	if (fileno != ERR || recno != ERR || attrl[1] != EOS) {
+	    op = gstrcpy (device, outstr, maxch) + 1
+	    outstr[op] = '[';  op = op + 1 
+	    if (fileno != ERR) {
+		if (fileno == EOT)
+		    op = op + gstrcpy ("EOT", outstr[op], maxch-op+1)
+		else
+		    op = op + itoc (fileno, outstr[op], maxch-op+1)
+	    }
+	    if (recno != ERR) {
+		outstr[op] = '.';  op = op + 1
+		op = op + itoc (recno, outstr[op], maxch-op+1)
+	    }
+	    if (attrl[1] != EOS) {
+		if (attrl[1] != ':') {
+		    outstr[op] = ':'
+		    op = op + 1
+		}
+		op = op + gstrcpy (attrl, outstr[op], maxch-op+1)
+	    }
+	    outstr[op] = ']';  op = op + 1
+	    outstr[op] = EOS
+	} else
+	    call strcpy (device, outstr, maxch)
+end