write: signal_received should be volatile qualified

Because the standard says so.

diff --git a/term-utils/write.c b/term-utils/write.c
index ee31580fa34a1a5a6f52020b3c3c4d2183cc4232..8b86e9a9d5ac8f735a6f2ebee3be95f3841953e0 100644 (file)
--- a/term-utils/write.c
+++ b/term-utils/write.c
@@ -67,7 +67,7 @@
 #include "ttyutils.h"
 #include "xalloc.h"
 
-static sig_atomic_t signal_received = 0;
+static volatile sig_atomic_t signal_received = 0;
 
 struct write_control {
        uid_t src_uid;