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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
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