Initial commit

1 files changed, 32 insertions, 0 deletions

diff --git a/pkg/tbtables/tbscol.x b/pkg/tbtables/tbscol.x
new file mode 100644
index 00000000..549706d4
--- /dev/null
+++ b/pkg/tbtables/tbscol.x
@@ -0,0 +1,32 @@
+include "tbtables.h"
+
+# If we need to reallocate the space for column selector descriptors,
+# this is the amount we will add to the current size.
+define	INCR_MAX_SELCOLS	20
+
+# tbscol -- add a new column to the list of selected columns
+# If a column selector is in effect, this routine adds one column to the
+# list of selected columns.  This would be called primarily when creating
+# a new column.
+#
+# Phil Hodge,  2-Mar-1998  Subroutine created.
+
+procedure tbscol (tp, cp)
+
+pointer tp		# i: pointer to table descriptor
+pointer cp		# i: pointer to column descriptor
+#--
+errchk	tcs_addcol
+
+begin
+	if (TB_COLUMN_SELECT(tp) == YES) {	# column selection is in effect
+
+	    if (TB_NSEL_COLS(tp) + 1 > TB_MAX_SELCOLS(tp)) {
+		TB_MAX_SELCOLS(tp) = TB_NSEL_COLS(tp) + INCR_MAX_SELCOLS
+		call realloc (TB_SELCOL_PTR(tp), TB_MAX_SELCOLS(tp), TY_POINTER)
+	    }
+
+	    call tcs_addcol (tp, cp,
+		TB_SELCOL(tp,1), TB_NSEL_COLS(tp), TB_MAX_SELCOLS(tp))
+	}
+end