memory: Add `free` wrapper and refactor project to use it

We already use wrappers for allocation, the new `xfree` function is the
equivalent for deallocation and provides a way to fully replace the malloc
implementation used by Neovim.

2 files changed, 6 insertions, 6 deletions

diff --git a/src/nvim/tui/term_input.inl b/src/nvim/tui/term_input.inl
index c1ccc863de..ccc47080b8 100644
--- a/src/nvim/tui/term_input.inl
+++ b/src/nvim/tui/term_input.inl
@@ -296,5 +296,5 @@ static void term_input_destroy(TermInput *input)
   uv_close((uv_handle_t *)&input->timer_handle, NULL);
   termkey_destroy(input->tk);
   event_poll(0);  // Run once to remove references to input/timer handles
-  free(input);
+  xfree(input);
 }
diff --git a/src/nvim/tui/tui.c b/src/nvim/tui/tui.c
index 6d23c2cf74..763a7c0e6d 100644
--- a/src/nvim/tui/tui.c
+++ b/src/nvim/tui/tui.c
@@ -190,12 +190,12 @@ static void tui_stop(UI *ui)
   if (uv_loop_close(data->write_loop)) {
     abort();
   }
-  free(data->write_loop);
+  xfree(data->write_loop);
   unibi_destroy(data->ut);
   destroy_screen(data);
-  free(data);
+  xfree(data);
   ui_detach(ui);
-  free(ui);
+  xfree(ui);
 }
 
 static void try_resize(Event ev)
@@ -851,8 +851,8 @@ static void destroy_screen(TUIData *data)
 {
   if (data->screen) {
     for (int i = 0; i < data->old_height; i++) {
-      free(data->screen[i]);
+      xfree(data->screen[i]);
     }
-    free(data->screen);
+    xfree(data->screen);
   }
 }