diff options
| -rw-r--r-- | src/gamma-randr.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/gamma-randr.c b/src/gamma-randr.c index 66d5c48..be8bdd9 100644 --- a/src/gamma-randr.c +++ b/src/gamma-randr.c @@ -62,9 +62,12 @@ randr_init(randr_state_t *state) xcb_randr_query_version_reply_t *ver_reply = xcb_randr_query_version_reply(state->conn, ver_cookie, &error); - if (error) { + /* TODO What does it mean when both error and ver_reply is NULL? + Apparently, we have to check both to avoid seg faults. */ + if (error || ver_reply == NULL) { + int ec = (error != 0) ? error->error_code : -1; fprintf(stderr, _("`%s' returned error %d\n"), - "RANDR Query Version", error->error_code); + "RANDR Query Version", ec); xcb_disconnect(state->conn); return -1; } |