From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Wed, 8 Jul 2015 20:46:52 -0400 Subject: Initial commit --- pkg/tbtables/tbxoff.x | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 pkg/tbtables/tbxoff.x (limited to 'pkg/tbtables/tbxoff.x') diff --git a/pkg/tbtables/tbxoff.x b/pkg/tbtables/tbxoff.x new file mode 100644 index 00000000..f851b2d8 --- /dev/null +++ b/pkg/tbtables/tbxoff.x @@ -0,0 +1,19 @@ +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 -- cgit