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1 files changed, 56 insertions, 0 deletions

diff --git a/sys/ki/kfpath.x b/sys/ki/kfpath.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<chars.h>
+include	"ki.h"
+
+# KFPATH -- Convert a VFN into a net pathname.  The VFN may contain a node
+# pathname and the final pathname will always include the node name.	
+
+procedure kfpath (vfn, osfn, maxch, nchars)
+
+char	vfn[ARB]		# virtual filename
+char	osfn[maxch]		# receives pathname
+int	maxch			# max chars out
+int	nchars			# receives length of osfn string
+
+int	delim, op, nodeflag, junk
+int	ki_gnode(), gstrcpy(), ki_gethosts()
+include	"kinode.com"
+
+begin
+	# Read the host name table if it has not been read yet.
+	if (n_nnodes == 0)
+	    junk = ki_gethosts()
+
+	# If no VFN is given return the current working directory.
+	if (vfn[1] == EOS) {
+	    call kfgcwd (osfn, maxch, nchars)
+	    call strupk (osfn, osfn, maxch)
+	    return
+	}
+
+	# Determine what node the given VFN resides on.
+	nodeflag = ki_gnode (vfn, osfn, delim)
+
+	# Append the node delimiter to the node name if there is a node name.
+	for (op=1;  osfn[op] != EOS;  op=op+1)
+	    ;
+	if (op > 1) {
+	    osfn[op] = FNNODE_CHAR
+	    op = op + 1
+	}
+
+	if (nodeflag == LOCAL) {
+	    # File is on the local node.  Return the mapped pathname with
+	    # the node name of the local node prepended.
+
+	    call zfpath (vfn[delim+1], osfn[op], maxch-op+1, nchars)
+	    nchars = nchars + op - 1
+
+	} else {
+	    # File is on a remote node.  Do not map the filename; leave that
+	    # to the kernel when the file is referenced at runtime.
+
+	    nchars = gstrcpy (vfn[delim+1], osfn[op], maxch-op+1) + op - 1
+	}
+end