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1 files changed, 49 insertions, 0 deletions

diff --git a/pkg/tbtables/tbzi2t.x b/pkg/tbtables/tbzi2t.x
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+include <mach.h>		# for SZB_CHAR
+include "tbtables.h"
+
+# tbzi2t -- convert integer column to text
+# When reading a text table into memory, if non-numeric text is found in
+# a column of type integer, this routine may be called to convert the
+# data type to text.
+#
+# Phil Hodge,  7-Jun-1994  Subroutine created.
+# Phil Hodge, 10-Aug-1994  Update COL_LEN.
+
+procedure tbzi2t (tp, cp, width)
+
+pointer tp		# i: pointer to table descriptor
+pointer cp		# i: pointer to column descriptor
+int	width		# i: the maximum width for this column
+#--
+pointer new		# pointer to new memory for column data
+int	row		# row number
+int	op		# offset in new char array
+errchk	calloc
+
+begin
+	# Allocate memory for the array of strings.
+	call calloc (new, (width+1) * TB_ALLROWS(tp), TY_CHAR)
+
+	op = 0					# initial value
+
+	# Copy each row.
+	do row = 1, TB_NROWS(tp) {
+
+	    if (IS_INDEFI(Memi[COL_OFFSET(cp)+row-1])) {
+		Memc[new+op] = EOS
+	    } else {
+		call sprintf (Memc[new+op], width, "%d")
+		    call pargi (Memi[COL_OFFSET(cp) + row - 1])
+	    }
+
+	    op = op + width + 1			# add one for EOS
+	}
+
+	# Free the old memory, and save the new pointer.
+	call mfree (COL_OFFSET(cp), TY_INT)
+	COL_OFFSET(cp) = new
+
+	# Specify the new data type and width.
+	COL_DTYPE(cp) = -width
+	COL_LEN(cp) = (width + SZB_CHAR-1) / SZB_CHAR
+end