Initial commit

1 files changed, 36 insertions, 0 deletions

diff --git a/pkg/tbtables/tbsirow.x b/pkg/tbtables/tbsirow.x
new file mode 100644
index 00000000..8129df52
--- /dev/null
+++ b/pkg/tbtables/tbsirow.x
@@ -0,0 +1,36 @@
+include "tbtables.h"
+include "tblerr.h"
+
+# tbsirow -- get actual row number from selected row number
+#
+# This routine is for translating the selected row number to the actual
+# row number for an input table, i.e. for the case where the row number
+# may not be greater than the number of rows in the table.
+
+procedure tbsirow (tp, selrow, rownum)
+
+pointer tp		# i: pointer to table descriptor
+int	selrow		# i: row number (or selected row number)
+int	rownum		# o: actual row number
+#--
+int	rst_rownum()
+
+begin
+	if (selrow < 1)
+	    call error (1, "row number less than one is invalid")
+
+	if (TB_ROW_SELECT(tp) == YES) {
+
+	    if (selrow > TB_NSEL_ROWS(tp))
+		call error (ER_TBBEYONDEOF, "input row is beyond EOF")
+
+	    rownum = rst_rownum (TB_ROWSET(tp), selrow)
+
+	} else {
+
+	    if (selrow > TB_NROWS(tp))
+		call error (ER_TBBEYONDEOF, "input row is beyond EOF")
+
+	    rownum = selrow
+	}
+end