Use new/delete instead of malloc/free-based functions

The following patches introduce C++ vectors and strings as fields of the
various ui_out structures.  We therefore need to use new/delete so that
their contructor/destructor is called.  I find it simpler to change all
the allocations in a separate preliminary patch, rather than in each
individual patch.

gdb/ChangeLog:

	* cli-out.c (cli_uiout_dtor): Use delete instead of xfree.
	(cli_out_new): Use new instead of XNEW.
	* mi/mi-out.c (mi_out_data_dtor): Use delete instead of xfree.
	(mi_out_new): Use new instead of XNEW.
	* tui/tui-out.c (tui_out_new): Likewise.
	* ui-out.c (push_level): Likewise.
	(pop_level): Use delete instead of xfree.
	(clear_header_list): Use delete instead of xfree.
	(append_header_to_list): Use new instead of XNEW.
	(ui_out_new): Likewise.

1 files changed, 7 insertions, 6 deletions

diff --git a/gdb/ui-out.c b/gdb/ui-out.c
index b8253c9..bb37ece 100644
--- a/gdb/ui-out.c
+++ b/gdb/ui-out.c
@@ -120,7 +120,7 @@ push_level (struct ui_out *uiout,
   struct ui_out_level *current;
 
   uiout->level++;
-  current = XNEW (struct ui_out_level);
+  current = new ui_out_level ();
   current->field_count = 0;
   current->type = type;
   VEC_safe_push (ui_out_level_p, uiout->levels, current);
@@ -139,7 +139,7 @@ pop_level (struct ui_out *uiout,
   gdb_assert (uiout->level > 0);
   gdb_assert (current_level (uiout)->type == type);
   current = VEC_pop (ui_out_level_p, uiout->levels);
-  xfree (current);
+  delete current;
   uiout->level--;
   return uiout->level + 1;
 }
@@ -708,8 +708,9 @@ clear_header_list (struct ui_out *uiout)
       uiout->table.header_first = uiout->table.header_first->next;
       xfree (uiout->table.header_next->colhdr);
       xfree (uiout->table.header_next->col_name);
-      xfree (uiout->table.header_next);
+      delete uiout->table.header_next;
     }
+
   gdb_assert (uiout->table.header_first == NULL);
   uiout->table.header_last = NULL;
   uiout->table.header_next = NULL;
@@ -724,7 +725,7 @@ append_header_to_list (struct ui_out *uiout,
 {
   struct ui_out_hdr *temphdr;
 
-  temphdr = XNEW (struct ui_out_hdr);
+  temphdr = new ui_out_hdr ();
   temphdr->width = width;
   temphdr->alignment = alignment;
   /* We have to copy the column title as the original may be an
@@ -859,8 +860,8 @@ struct ui_out *
 ui_out_new (const struct ui_out_impl *impl, void *data,
 	    int flags)
 {
-  struct ui_out *uiout = XNEW (struct ui_out);
-  struct ui_out_level *current = XNEW (struct ui_out_level);
+  struct ui_out *uiout = new ui_out ();
+  struct ui_out_level *current = new ui_out_level ();
 
   uiout->data = data;
   uiout->impl = impl;