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Merge pull request #1425 from ggreer/grab-error

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swaygrab: Add some error handling.
This commit is contained in:
Drew DeVault 2017-10-22 21:15:43 -04:00 committed by GitHub
commit b31b11f139
1 changed files with 11 additions and 1 deletions
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12
swaygrab/json.c
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@ -21,6 +21,14 @@ void init_json_tree(int socketfd) {
if (!tree || tok->err != json_tokener_success) { if (!tree || tok->err != json_tokener_success) {
sway_abort("Unable to parse IPC response as JSON: %s", json_tokener_error_desc(tok->err)); 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); json_tokener_free(tok);
} }
@ -72,7 +80,9 @@ json_object *get_focused_container() {
char *get_focused_output() { char *get_focused_output() {
json_object *outputs, *output, *name; json_object *outputs, *output, *name;
json_object_object_get_ex(tree, "nodes", &outputs); 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++) { for (int i = 0; i < json_object_array_length(outputs); i++) {
output = json_object_array_get_idx(outputs, i); output = json_object_array_get_idx(outputs, i);