Fix memory leaks.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@3285 57a11ea4-9604-0410-9ed3-97b8803252fd

src/register/basiccell.c

@@ -67,13 +67,13 @@ BasicCellHelpValue(BasicCell *cell)
 
 /* ===================================================== */
 
-void
-xaccInitBasicCell (BasicCell *cell)
+static void
+xaccClearBasicCell (BasicCell *cell)
 {
   cell->changed = 0;
   cell->conditionally_changed = 0;
 
-  cell->value = g_strdup("");
+  cell->value = NULL;
   cell->blank_help = NULL;
   cell->set_value = NULL;
   cell->enter_cell = NULL;
@@ -83,13 +83,23 @@ xaccInitBasicCell (BasicCell *cell)
   cell->realize = NULL;
   cell->move = NULL;
   cell->destroy = NULL;
-  cell->get_help_value = BasicCellHelpValue;
+  cell->get_help_value = NULL;
 
   cell->is_popup = FALSE;
 
   cell->gui_private = NULL;
 }
 
+void
+xaccInitBasicCell (BasicCell *cell)
+{
+  xaccClearBasicCell (cell);
+
+  cell->value = g_strdup ("");
+
+  cell->get_help_value = BasicCellHelpValue;
+}
+
 /* ===================================================== */
 
 void
@@ -107,7 +117,7 @@ xaccDestroyBasicCell (BasicCell *cell)
   cell->blank_help = NULL;
 
   /* help prevent access to freed memory */
-  xaccInitBasicCell (cell);
+  xaccClearBasicCell (cell);
 
   /* free the object itself */
   g_free (cell);
@@ -121,14 +131,16 @@ xaccSetBasicCellValue (BasicCell *cell, const char *val)
   CellSetValueFunc cb;
 
   cb = cell->set_value;
-  if (cb) {
+  if (cb)
+  {
     /* avoid recursion by disabling the  
      * callback while it's being called. */
     cell->set_value = NULL;
     cb (cell, val);
     cell->set_value = cb;
   }
-  else {
+  else
+  {
     g_free (cell->value);
     if (val)
       cell->value = g_strdup (val);
@@ -145,7 +157,6 @@ xaccSetBasicCellBlankHelp (BasicCell *cell, const char *blank_help)
   if (cell == NULL)
     return;
 
-  if (cell->blank_help != NULL)
   g_free (cell->blank_help);
 
   if (blank_help == NULL)

src/register/cellblock.c

@@ -80,6 +80,9 @@ gnc_cellblock_cell_destroy (gpointer _cb_cell, gpointer user_data)
   if (cb_cell == NULL)
     return;
 
+  cb_cell->cell = NULL;
+  cb_cell->cell_type = -1;
+
   g_free(cb_cell->label);
   cb_cell->label = NULL;
 

src/register/numcell.c

@@ -161,7 +161,7 @@ xaccMallocNumCell (void)
 {
   NumCell *cell;
 
-  cell = g_new(NumCell, 1);
+  cell = g_new0 (NumCell, 1);
 
   xaccInitNumCell (cell);
 

src/register/pricecell.c

@@ -199,7 +199,7 @@ xaccMallocPriceCell (void)
 {
    PriceCell *cell;
 
-   cell = g_new(PriceCell, 1);
+   cell = g_new0 (PriceCell, 1);
 
    xaccInitPriceCell (cell);
 

src/register/quickfillcell.c

@@ -170,7 +170,7 @@ xaccMallocQuickFillCell (void)
 {
    QuickFillCell *cell;
 
-   cell = g_new(QuickFillCell, 1);
+   cell = g_new0 (QuickFillCell, 1);
 
    xaccInitQuickFillCell (cell);
 

src/register/recncell.c

@@ -54,6 +54,8 @@ static RecnCellStringGetter string_getter = NULL;
 /* This static indicates the debugging module that this .o belongs to.  */
 static short module = MOD_REGISTER;
 
+static void RecnSetValue (BasicCell *_cell, const char *value);
+
 
 /* ================================================ */
 
@@ -107,12 +109,23 @@ RecnEnter (BasicCell *_cell,
 
 /* ================================================ */
 
+static void
+xaccInitRecnCell (RecnCell *cell)
+{
+  xaccInitBasicCell(&cell->cell);
+
+  xaccRecnCellSetFlag(cell, NREC);
+
+  cell->cell.enter_cell = RecnEnter;
+  cell->cell.set_value = RecnSetValue;
+}
+
 RecnCell *
 xaccMallocRecnCell (void)
 {
   RecnCell * cell;
 
-  cell = g_new(RecnCell, 1);
+  cell = g_new0 (RecnCell, 1);
 
   xaccInitRecnCell (cell);
 
@@ -156,19 +169,6 @@ RecnSetValue (BasicCell *_cell, const char *value)
 
 /* ================================================ */
 
-void
-xaccInitRecnCell (RecnCell *cell)
-{
-  xaccInitBasicCell(&cell->cell);
-
-  xaccRecnCellSetFlag(cell, NREC);
-
-  cell->cell.enter_cell = RecnEnter;
-  cell->cell.set_value = RecnSetValue;
-}
-
-/* ================================================ */
-
 void
 xaccDestroyRecnCell (RecnCell *cell)
 {

src/register/recncell.h

@@ -50,7 +50,6 @@ typedef struct _RecnCell
 } RecnCell;
 
 RecnCell * xaccMallocRecnCell (void);
-void       xaccInitRecnCell (RecnCell *cell);
 void       xaccDestroyRecnCell (RecnCell *cell);
 
 void       xaccRecnCellSetFlag (RecnCell *cell, char reconciled_flag);

src/register/splitreg.c

@@ -978,6 +978,7 @@ xaccDestroySplitRegister (SplitRegister *reg)
   reg->cursor_journal_double = NULL;
   reg->cursor_split = NULL;
 
+  xaccDestroyBasicCell     (reg->nullCell);
   xaccDestroyDateCell      (reg->dateCell);
   xaccDestroyNumCell       (reg->numCell);
   xaccDestroyQuickFillCell (reg->descCell);
@@ -999,6 +1000,7 @@ xaccDestroySplitRegister (SplitRegister *reg)
   xaccDestroyPriceCell     (reg->tbalanceCell);
   xaccDestroyQuickFillCell (reg->notesCell);
 
+  reg->nullCell     = NULL;
   reg->dateCell     = NULL;
   reg->numCell      = NULL;
   reg->descCell     = NULL;

src/register/textcell.c

@@ -69,11 +69,6 @@ xaccMallocTextCell (void)
 void
 xaccInitTextCell (BasicCell *cell)
 {
-   xaccInitBasicCell (cell);
-
-   g_free (cell->value);
-   cell->value = g_strdup ("");
-
    cell->modify_verify = TextMV;
 }