io: Add missing GCC_FMT_ATTR (fix -Werror=suggest-attribute=format)
This fixes a compiler warning:
/qemu/io/channel-websock.c:163:5: error:
function might be possible candidate for ‘gnu_printf’ format attribute
[-Werror=suggest-attribute=format]
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Acked-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/io/channel-websock.c b/io/channel-websock.c
index d1d471f..7bf1340 100644
--- a/io/channel-websock.c
+++ b/io/channel-websock.c
@@ -151,9 +151,10 @@
QIO_CHANNEL_WEBSOCK_OPCODE_PONG = 0xA
};
-static void qio_channel_websock_handshake_send_res(QIOChannelWebsock *ioc,
- const char *resmsg,
- ...)
+static void GCC_FMT_ATTR(2, 3)
+qio_channel_websock_handshake_send_res(QIOChannelWebsock *ioc,
+ const char *resmsg,
+ ...)
{
va_list vargs;
char *response;