vubr_set_host() passes char values to isdigit(). Undefined behavior
when the value is negative.
Fix by using qemu_isdigit() instead.
Signed-off-by: Markus Armbruster <arm...@redhat.com>
---
tests/vhost-user-bridge.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tests/vhost-user-bridge.c b/tests/vhost-user-bridge.c
index 0033b61f2e..d70b107ebc 100644
--- a/tests/vhost-user-bridge.c
+++ b/tests/vhost-user-bridge.c
@@ -645,7 +645,7 @@ vubr_host_notifier_setup(VubrDev *dev)
static void
vubr_set_host(struct sockaddr_in *saddr, const char *host)
{
- if (isdigit(host[0])) {
+ if (qemu_isdigit(host[0])) {
if (!inet_aton(host, &saddr->sin_addr)) {
fprintf(stderr, "inet_aton() failed.\n");
exit(1);
--
2.17.2
