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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
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