1 files changed, 26 insertions, 0 deletions
diff --git a/sys/plio/plclose.x b/sys/plio/plclose.x
new file mode 100644
index 00000000..e5e53e2b
--- /dev/null
+++ b/sys/plio/plclose.x
@@ -0,0 +1,26 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<syserr.h>
+include	<plio.h>
+
+# PL_CLOSE -- Close a mask descriptor.  The memory resident mask is destroyed;
+# an explicit call to one of the save procedures is required to save the mask
+# in external storage.
+
+procedure pl_close (pl)
+
+pointer	pl			#I mask descriptor
+errchk	syserr
+
+begin
+	if (pl != NULL) {
+	    if (PL_MAGIC(pl) != PL_MAGICVAL)
+		call syserr (SYS_PLINVDES)
+
+	    if (PL_LPP(pl) != NULL)
+		call mfree (PL_LPP(pl), TY_INT)
+	    if (PL_LLBP(pl) != NULL)
+		call mfree (PL_LLBP(pl), TY_SHORT)
+	    call mfree (pl, TY_STRUCT)
+	}
+end