From 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 Mon Sep 17 00:00:00 2001
From: Joe Hunkeler <jhunkeler@gmail.com>
Date: Tue, 11 Aug 2015 16:51:37 -0400
Subject: Repatch (from linux) of OSX IRAF

---
 unix/boot/spp/rpp/ratlibr/enter.r | 40 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 unix/boot/spp/rpp/ratlibr/enter.r

(limited to 'unix/boot/spp/rpp/ratlibr/enter.r')

diff --git a/unix/boot/spp/rpp/ratlibr/enter.r b/unix/boot/spp/rpp/ratlibr/enter.r
new file mode 100644
index 00000000..56a3d46b
--- /dev/null
+++ b/unix/boot/spp/rpp/ratlibr/enter.r
@@ -0,0 +1,40 @@
+include	defs
+
+# enter --- place a symbol in the symbol table, updating if already present
+
+   subroutine enter (symbol, info, st)
+   character symbol (ARB)
+   integer info (ARB)
+   pointer st
+
+   DS_DECL(Mem, 1)
+
+   integer i, nodsiz, j
+   integer stlu, length
+
+   pointer node, pred
+   pointer dsget
+
+   nodsiz = Mem (st)
+
+   if (stlu (symbol, node, pred, st) == NO) {
+      node = dsget (1 + nodsiz + length (symbol) + 1)
+      Mem (node + ST_LINK) = LAMBDA
+      Mem (pred + ST_LINK) = node
+      i = 1
+      j = node + ST_DATA + nodsiz
+      while (symbol (i) != EOS) {
+	 Mem (j) = symbol (i)
+	 i = i + 1
+	 j = j + 1
+	 }
+      Mem (j) = EOS
+      }
+
+   for (i = 1; i <= nodsiz; i = i + 1) {
+      j = node + ST_DATA + i - 1
+      Mem (j) = info (i)
+      }
+
+   return
+   end
-- 
cgit