build: bump version to 1.7-rc1

cairo_image_surface_create can fail, e.g. when running out of
memory or when the size is too big. Avoid crashing in this case.

Closes: https://github.com/swaywm/sway/issues/6531
(cherry picked from commit 59aebaa5f9)

meson.build

@@ -1,7 +1,7 @@
 project(
 	'sway',
 	'c',
-	version: '1.6',
+	version: '1.7-rc1',
 	license: 'MIT',
 	meson_version: '>=0.60.0',
 	default_options: [

sway/tree/container.c

@@ -536,6 +536,13 @@ static void render_titlebar_text_texture(struct sway_output *output,
 
 	cairo_surface_t *surface = cairo_image_surface_create(
 			CAIRO_FORMAT_ARGB32, width, height);
+	cairo_status_t status = cairo_surface_status(surface);
+	if (status != CAIRO_STATUS_SUCCESS) {
+		sway_log(SWAY_ERROR, "cairo_image_surface_create failed: %s",
+			cairo_status_to_string(status));
+		return;
+	}
+
 	cairo_t *cairo = cairo_create(surface);
 	cairo_set_antialias(cairo, CAIRO_ANTIALIAS_BEST);
 	cairo_set_font_options(cairo, fo);

swaybar/status_line.c

@@ -117,11 +117,11 @@ bool status_handle_readable(struct status_line *status) {
 		status->text = status->buffer;
 		// intentional fall-through
 	case PROTOCOL_TEXT:
-		errno = 0;
 		while (true) {
 			if (status->buffer[read_bytes - 1] == '\n') {
 				status->buffer[read_bytes - 1] = '\0';
 			}
+			errno = 0;
 			read_bytes = getline(&status->buffer,
 					&status->buffer_size, status->read);
 			if (errno == EAGAIN) {