add destry routine

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@725 57a11ea4-9604-0410-9ed3-97b8803252fd

src/register/cellblock.c

@@ -1,7 +1,35 @@
+/*
+ * FILE:
+ * cellblock.c
+ * 
+ * FUNCTION:
+ * implements a rectangular array of cells. See the header file for
+ * additional documentation.
+ *
+ * HISTORY:
+ * Copyright (c) 1998 Linas Vepstas
+ */
+/********************************************************************\
+ * This program is free software; you can redistribute it and/or    *
+ * modify it under the terms of the GNU General Public License as   *
+ * published by the Free Software Foundation; either version 2 of   *
+ * the License, or (at your option) any later version.              *
+ *                                                                  *
+ * This program is distributed in the hope that it will be useful,  *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of   *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    *
+ * GNU General Public License for more details.                     *
+ *                                                                  *
+ * You should have received a copy of the GNU General Public License*
+ * along with this program; if not, write to the Free Software      *
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.        *
+\********************************************************************/
 
 #include <stdlib.h>
 #include "cellblock.h"
 
+/* =================================================== */
+
 CellBlock * xaccMallocCellBlock (int numrows, int numcols)
 {
 
@@ -24,18 +52,16 @@ CellBlock * xaccMallocCellBlock (int numrows, int numcols)
 
 /* =================================================== */
 
-void        
+static void        
-xaccInitCellBlock (CellBlock *arr, int numrows, int numcols)
+FreeCellBlockMem (CellBlock *arr)
 {
-   int i, j;
+   int i;
    int oldrows, oldcols;
 
-   if (!arr) return;
-
    oldrows = arr->numRows;
    oldcols = arr->numCols;
 
-   /* free old cell array, if any */
+   /* free cell array, if any */
    if (arr->cells) {
       for (i=0; i<oldrows; i++) {
          if (arr->cells[i]) free (arr->cells[i]);
@@ -43,7 +69,7 @@ xaccInitCellBlock (CellBlock *arr, int numrows, int numcols)
       free (arr->cells);
    }
 
-   /* free old traversal chain */
+   /* free traversal chain */
    if (arr->right_traverse_r) {
       for (i=0; i<oldrows; i++) {
          if (arr->right_traverse_r[i]) free (arr->right_traverse_r[i]);
@@ -55,11 +81,21 @@ xaccInitCellBlock (CellBlock *arr, int numrows, int numcols)
       }
    }
 
-   /* free old widths, alignments */
+   /* free widths, alignments */
    if (arr->widths) free (arr->widths);
    if (arr->alignments) free (arr->alignments);
+}
+
+/* =================================================== */
+
+void        
+xaccInitCellBlock (CellBlock *arr, int numrows, int numcols)
+{
+   int i, j;
+   if (!arr) return;
+
+   FreeCellBlockMem (arr);
 
-   /* -------------------------------------------------- */
    /* record new size */
    arr->numRows = numrows;
    arr->numCols = numcols;
@@ -103,6 +139,19 @@ xaccInitCellBlock (CellBlock *arr, int numrows, int numcols)
 
 /* =================================================== */
 
+void        
+xaccDestroyCellBlock (CellBlock *arr)
+{
+   if (!arr) return;
+
+   FreeCellBlockMem (arr);
+
+   /* finally, free this object itself */
+   free (arr);
+}
+
+/* =================================================== */
+
 void        
 xaccAddCell (CellBlock *arr, BasicCell *cell, int row, int col) 
 {

src/register/cellblock.h

@@ -31,6 +31,21 @@
  * The right_traverse array indicates which cell chould be
  * traversed to when the tab key is pressed.
  */
+/********************************************************************\
+ * This program is free software; you can redistribute it and/or    *
+ * modify it under the terms of the GNU General Public License as   *
+ * published by the Free Software Foundation; either version 2 of   *
+ * the License, or (at your option) any later version.              *
+ *                                                                  *
+ * This program is distributed in the hope that it will be useful,  *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of   *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    *
+ * GNU General Public License for more details.                     *
+ *                                                                  *
+ * You should have received a copy of the GNU General Public License*
+ * along with this program; if not, write to the Free Software      *
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.        *
+\********************************************************************/
 
 #ifndef __XACC_CELL_BLOCK_H__
 #define __XACC_CELL_BLOCK_H__
@@ -58,6 +73,7 @@ typedef struct _CellBlock {
 
 CellBlock * xaccMallocCellBlock (int numrows, int numcols);
 void        xaccInitCellBlock (CellBlock *, int numrows, int numcols);
+void        xaccDestroyCellBlock (CellBlock *);
 
 /* add a cell to the array */
 void        xaccAddCell (CellBlock *, BasicCell *, int row, int col);