sway

commit b31b11f13969eba777a9cb3b100baef1f919efad
parent d10e72318315fa8ad0772f685f24cf2c9e2b5cc2
Author: Drew DeVault <sir@cmpwn.com>
Date:   Sun, 22 Oct 2017 21:15:43 -0400

Merge pull request #1425 from ggreer/grab-error

swaygrab: Add some error handling.
Diffstat:
M
swaygrab/json.c
 | 
12
+++++++++++-

1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/swaygrab/json.c b/swaygrab/json.c
@@ -21,6 +21,14 @@ void init_json_tree(int socketfd) {
 	if (!tree || tok->err != json_tokener_success) {
 		sway_abort("Unable to parse IPC response as JSON: %s", json_tokener_error_desc(tok->err));
 	}
+	json_object *success;
+	json_object_object_get_ex(tree, "success", &success);
+	if (success && !json_object_get_boolean(success)) {
+		json_object *error;
+		json_object_object_get_ex(tree, "error", &error);
+		sway_abort("IPC request failed: %s", json_object_get_string(error));
+	}
+	json_object_put(success);
 	json_tokener_free(tok);
 }
 
@@ -72,7 +80,9 @@ json_object *get_focused_container() {
 char *get_focused_output() {
 	json_object *outputs, *output, *name;
 	json_object_object_get_ex(tree, "nodes", &outputs);
-
+	if (!outputs) {
+		sway_abort("Unabled to get focused output. No nodes in tree.");
+	}
 	for (int i = 0; i < json_object_array_length(outputs); i++) {
 		output = json_object_array_get_idx(outputs, i);