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-rw-r--r--libxcb/src/xcb_conn.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libxcb/src/xcb_conn.c b/libxcb/src/xcb_conn.c
index 46390e1da..00c458fc5 100644
--- a/libxcb/src/xcb_conn.c
+++ b/libxcb/src/xcb_conn.c
@@ -374,6 +374,9 @@ void _xcb_conn_shutdown(xcb_connection_t *c, int err)
/* Return connection error state.
* To make thread-safe, I need a seperate static
* variable for every possible error.
+ * has_error is the first field in xcb_connection_t, so just
+ * return a casted int here; checking has_error (and only
+ * has_error) will be safe.
*/
xcb_connection_t *_xcb_conn_ret_error(int err)
{