Bump liberty

The bugfixes in the config parser are worth it.

I might have slightly overused cstr_set().

big-brother.c

@@ -149,7 +149,7 @@ static void
 app_context_free (struct app_context *self)
 {
 	str_map_free (&self->config);
-	free (self->current_title);
+	cstr_set (&self->current_title, NULL);
 	poller_fd_reset (&self->x_event);
 	XCloseDisplay (self->dpy);
 	poller_free (&self->poller);
@@ -207,8 +207,7 @@ update_window_title (struct app_context *ctx, char *new_title)
 {
 	bool changed = !ctx->current_title != !new_title
 		|| (new_title && strcmp (ctx->current_title, new_title));
-	free (ctx->current_title);
-	ctx->current_title = new_title;
+	cstr_set (&ctx->current_title, new_title);
 	return changed;
 }
 

fancontrol-ng.c

@@ -225,12 +225,12 @@ paths_new (const char *device_path, const char *path, struct config_item *pwm)
 static void
 paths_destroy (struct paths *self)
 {
-	free (self->temp);
+	cstr_set (&self->temp, NULL);
 
-	free (self->pwm);
-	free (self->pwm_enable);
-	free (self->pwm_min);
-	free (self->pwm_max);
+	cstr_set (&self->pwm, NULL);
+	cstr_set (&self->pwm_enable, NULL);
+	cstr_set (&self->pwm_min, NULL);
+	cstr_set (&self->pwm_max, NULL);
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

iexec.c

@@ -105,9 +105,7 @@ main (int argc, char *argv[])
 		"PROGRAM [ARG...]", "Run a program and restart on file change.");
 
 	// We have to turn that off as it causes more trouble than what it's worth
-	char *nonpermuting = xstrdup_printf ("+%s", oh.opt_string);
-	free (oh.opt_string);
-	oh.opt_string = nonpermuting;
+	cstr_set (&oh.opt_string, xstrdup_printf ("+%s", oh.opt_string));
 
 	int c;
 	while ((c = opt_handler_get (&oh)) != -1)

liberty

@@ -1 +1 @@
-Subproject commit 1a76b2032e6d18d9f95d9d0bb98edc26023c8618
+Subproject commit 69101eb1554ad2fca6de30cdbaccac076210d7e3

paswitch.c

@@ -45,13 +45,6 @@
 
 enum { PIPE_READ, PIPE_WRITE };
 
-static void
-cstr_set (char **s, char *new)
-{
-	free (*s);
-	*s = new;
-}
-
 static void
 log_message_custom (void *user_data, const char *quote, const char *fmt,
 	va_list ap)
@@ -79,8 +72,8 @@ struct port
 static void
 port_free (struct port *self)
 {
-	free (self->name);
-	free (self->description);
+	cstr_set (&self->name, NULL);
+	cstr_set (&self->description, NULL);
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@@ -109,14 +102,14 @@ sink_new (void)
 static void
 sink_destroy (struct sink *self)
 {
-	free (self->name);
-	free (self->description);
+	cstr_set (&self->name, NULL);
+	cstr_set (&self->description, NULL);
 
 	for (size_t i = 0; i < self->ports_len; i++)
 		port_free (self->ports + i);
 	free (self->ports);
 
-	free (self->port_active);
+	cstr_set (&self->port_active, NULL);
 	free (self);
 }
 
@@ -185,7 +178,7 @@ app_context_free (struct app_context *self)
 	if (self->context)
 		pa_context_unref (self->context);
 
-	free (self->default_sink);
+	cstr_set (&self->default_sink, NULL);
 	LIST_FOR_EACH (struct sink, iter, self->sinks)
 		sink_destroy (iter);
 	LIST_FOR_EACH (struct sink_input, iter, self->inputs)

wmstatus.c

@@ -951,7 +951,7 @@ app_context_free (struct app_context *self)
 	if (self->backend)	self->backend->destroy (self->backend);
 
 	poller_fd_reset (&self->x_event);
-	free (self->layout);
+	cstr_set (&self->layout, NULL);
 
 	if (self->context)  pa_context_unref (self->context);
 	if (self->dpy)      XCloseDisplay (self->dpy);
@@ -966,19 +966,20 @@ app_context_free (struct app_context *self)
 	}
 	str_free (&self->command_buffer);
 
-	free (self->insomnia_info);
+	cstr_set (&self->insomnia_info, NULL);
 	if (self->insomnia_fd != -1)
 		xclose (self->insomnia_fd);
 
 	mpd_client_free (&self->mpd_client);
-	free (self->mpd_song);
-	free (self->mpd_status);
+	cstr_set (&self->mpd_song, NULL);
+	cstr_set (&self->mpd_status, NULL);
 
 	nut_client_free (&self->nut_client);
 	str_map_free (&self->nut_ups_info);
+	cstr_set (&self->nut_status, NULL);
 
 	strv_free (&self->sink_ports);
-	free (self->sink_port_active);
+	cstr_set (&self->sink_port_active, NULL);
 
 	poller_pa_destroy (self->api);
 	poller_free (&self->poller);
@@ -1437,8 +1438,7 @@ mpd_on_info_response (const struct mpd_response *response,
 	struct str_map map;
 	mpd_vector_to_map (data, &map);
 
-	free (ctx->mpd_status);
-	ctx->mpd_status = NULL;
+	cstr_set (&ctx->mpd_status, NULL);
 
 	struct str s = str_make ();
 
@@ -1464,8 +1464,7 @@ mpd_on_info_response (const struct mpd_response *response,
 	if ((value = str_map_find (&map, "album")))
 		str_append_printf (&s, " from \001%s\001", value);
 
-	free (ctx->mpd_song);
-	ctx->mpd_song = str_steal (&s);
+	cstr_set (&ctx->mpd_song, str_steal (&s));
 
 	refresh_status (ctx);
 	str_map_free (&map);
@@ -1708,8 +1707,7 @@ nut_on_logout_response (const struct nut_response *response, void *user_data)
 	while ((dict = str_map_iter_next (&iter)))
 		nut_process_ups (ctx, &ups_list, iter.link->key, dict);
 
-	free (ctx->nut_status);
-	ctx->nut_status = NULL;
+	cstr_set (&ctx->nut_status, NULL);
 
 	if (ups_list.len)
 	{
@@ -1800,8 +1798,7 @@ nut_on_connected (void *user_data)
 static void
 nut_indicate_failure (struct app_context *ctx)
 {
-	free (ctx->nut_status);
-	ctx->nut_status = xstrdup ("NUT failure");
+	cstr_set (&ctx->nut_status, xstrdup ("NUT failure"));
 
 	refresh_status (ctx);
 }
@@ -1870,8 +1867,7 @@ on_sink_info (pa_context *context, const pa_sink_info *info, int eol,
 		ctx->sink_muted = !!info->mute;
 
 		strv_reset (&ctx->sink_ports);
-		free (ctx->sink_port_active);
-		ctx->sink_port_active = NULL;
+		cstr_set (&ctx->sink_port_active, NULL);
 
 		if (info->ports)
 			for (struct pa_sink_port_info **iter = info->ports; *iter; iter++)
@@ -2167,8 +2163,7 @@ static void
 on_insomnia (struct app_context *ctx, int arg)
 {
 	(void) arg;
-	free (ctx->insomnia_info);
-	ctx->insomnia_info = NULL;
+	cstr_set (&ctx->insomnia_info, NULL);
 
 	// Get rid of the lock if we hold one, establish it otherwise
 	if (ctx->insomnia_fd != -1)
@@ -2282,8 +2277,7 @@ on_xkb_event (struct app_context *ctx, XkbEvent *ev)
 	XkbDescPtr desc = XkbAllocKeyboard ();
 	XkbGetNames (ctx->dpy, XkbGroupNamesMask, desc);
 
-	free (ctx->layout);
-	ctx->layout = NULL;
+	cstr_set (&ctx->layout, NULL);
 
 	if (group != 0)
 	{