From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Wed, 8 Jul 2015 20:46:52 -0400 Subject: Initial commit --- sys/plio/plopen.x | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 sys/plio/plopen.x (limited to 'sys/plio/plopen.x') diff --git a/sys/plio/plopen.x b/sys/plio/plopen.x new file mode 100644 index 00000000..6510ebe5 --- /dev/null +++ b/sys/plio/plopen.x @@ -0,0 +1,30 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +include +include + +# PL_OPEN -- Open a mask. If the input buffer pointer is NULL an inactive +# mask descriptor is allocated, otherwise the pointer is taken to point to +# an encoded mask, which is decoded and loaded to create an active descriptor. + +pointer procedure pl_open (smp) + +pointer smp #I stored mask pointer or NULL + +pointer pl +errchk calloc, pl_load + +begin + # Allocate and initialize an inactive descriptor. + call calloc (pl, LEN_PLDES, TY_STRUCT) + + call amovki (1, PL_PLANE(pl,1), PL_MAXDIM) + PL_MAGIC(pl) = PL_MAGICVAL + PL_LLINC(pl) = PL_STARTINC + + # Load the saved mask, if any. + if (smp != NULL) + call pl_load (pl, smp) + + return (pl) +end -- cgit