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1 files changed, 19 insertions, 0 deletions

diff --git a/pkg/tbtables/tbxoff.x b/pkg/tbtables/tbxoff.x
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+++ b/pkg/tbtables/tbxoff.x
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+include "tbtables.h"
+
+# tbxoff -- X row offset
+# This function returns the offset in char from the beginning of the
+# table data file to the beginning of a row in the table.
+# Note that the offset is to the beginning, not to a specific column.
+# This is for row-ordered tables.
+
+long procedure tbxoff (tp, rownum)
+
+pointer tp			# Pointer to table descriptor
+int	rownum			# The row number
+
+long	offset			# offset to beginning of row
+
+begin
+	offset = TB_BOD(tp) + (rownum - 1) * TB_ROWLEN(tp)
+	return (offset)
+end