tests/vhost-user-bridge: Fix misuse of isdigit()

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 <armbru@redhat.com>
Message-Id: <20190514180311.16028-3-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[Missing #include "qemu-common.h" fixed]
This commit is contained in:
Markus Armbruster 2019-05-14 20:03:07 +02:00
parent b8c3511d08
commit d18dc3af47

View File

@ -30,6 +30,7 @@
#define _FILE_OFFSET_BITS 64
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "qemu/atomic.h"
#include "qemu/iov.h"
#include "standard-headers/linux/virtio_net.h"
@ -645,7 +646,7 @@ 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);