suppress gcc 8 aliasing warnings
function old new delta
sigprocmask_SIG_SETMASK - 16 +16
wait_for_child_or_signal 221 213 -8
dowait 432 424 -8
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index b6fcd7a..378f090 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -2309,6 +2309,16 @@
}
#endif
+static void sigaction2(int sig, struct sigaction *act)
+{
+ // Grr... gcc 8.1.1:
+ // "passing argument 3 to restrict-qualified parameter aliases with argument 2"
+ // dance around that...
+ struct sigaction *oact FIX_ALIASING;
+ oact = act;
+ sigaction(sig, act, oact);
+}
+
/* maxsize must be >= 2.
* Returns:
* -1 on read errors or EOF, or on bare Ctrl-D,
@@ -2419,7 +2429,7 @@
/* Install window resize handler (NB: after *all* init is complete) */
S.SIGWINCH_handler.sa_handler = win_changed;
S.SIGWINCH_handler.sa_flags = SA_RESTART;
- sigaction(SIGWINCH, &S.SIGWINCH_handler, &S.SIGWINCH_handler);
+ sigaction2(SIGWINCH, &S.SIGWINCH_handler);
#endif
read_key_buffer[0] = 0;
while (1) {