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Modify editor refcounter

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...to fix segault introduced in daf21d8315.

Both actions MSG_INIT and MSG_DESTROY should be send to widget. In editor,
if file cannot be open, MSG_INIT isn't sent to, but MSG_DESTROY is. As a
result, a double free is occured in edit_dlg_deinit().

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin 2021-04-29 17:16:09 +03:00
parent 0aaf74777d
commit 8c92bec6eb
1 changed files with 7 additions and 7 deletions
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14
src/editor/editwidget.c
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@ -96,7 +96,9 @@ static cb_ret_t edit_dialog_callback (Widget * w, Widget * sender, widget_msg_t
static void
edit_dlg_init (void)
{
if (edit_dlg_init_refcounter == 0)
edit_dlg_init_refcounter++;
if (edit_dlg_init_refcounter == 1)
{
edit_window_state_char = mc_skin_get ("widget-editor", "window-state-char", "*");
edit_window_close_char = mc_skin_get ("widget-editor", "window-close-char", "X");
@ -105,8 +107,6 @@ edit_dlg_init (void)
aspell_init ();
#endif
}
edit_dlg_init_refcounter++;
}
/* --------------------------------------------------------------------------------------------- */
@ -117,10 +117,7 @@ edit_dlg_init (void)
static void
edit_dlg_deinit (void)
{
if (edit_dlg_init_refcounter != 0)
edit_dlg_init_refcounter--;
if (edit_dlg_init_refcounter == 0)
if (edit_dlg_init_refcounter == 1)
{
g_free (edit_window_state_char);
g_free (edit_window_close_char);
@ -129,6 +126,9 @@ edit_dlg_deinit (void)
aspell_clean ();
#endif
}
if (edit_dlg_init_refcounter != 0)
edit_dlg_init_refcounter--;
}
/* --------------------------------------------------------------------------------------------- */