From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Wed, 8 Jul 2015 20:46:52 -0400
Subject: Initial commit

---
 pkg/tbtables/tbyoff.x | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 pkg/tbtables/tbyoff.x

(limited to 'pkg/tbtables/tbyoff.x')

diff --git a/pkg/tbtables/tbyoff.x b/pkg/tbtables/tbyoff.x
new file mode 100644
index 00000000..c7c33513
--- /dev/null
+++ b/pkg/tbtables/tbyoff.x
@@ -0,0 +1,20 @@
+include "tbtables.h"
+
+# tbyoff -- Y column offset
+# This function returns the offset in char from the beginning of the
+# table data file to a specific element in the table.
+# This is for column-ordered tables.
+
+long procedure tbyoff (tp, cp, rownum)
+
+pointer tp			# i: pointer to table descriptor
+pointer cp			# i: pointer to column descriptor
+int	rownum			# i: the row number
+
+long	offset
+
+begin
+	offset = TB_BOD(tp) + COL_OFFSET(cp) * TB_ALLROWS(tp) +
+		(rownum-1) * COL_LEN(cp)
+	return (offset)
+end
-- 
cgit