net/slirp: simplify checking for cmd: prefix

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>

diff --git a/net/slirp.c b/net/slirp.c
index ec07f662c00f897604557c203e480e8496d5aa2b..b91741b8fc1836f80954f293f91f52c46cc741a8 100644 (file)
--- a/net/slirp.c
+++ b/net/slirp.c
@@ -773,7 +773,7 @@ static int slirp_guestfwd(SlirpState *s, const char *config_str, Error **errp)
 
     snprintf(buf, sizeof(buf), "guestfwd.tcp.%d", port);
 
-    if ((strlen(p) > 4) && !strncmp(p, "cmd:", 4)) {
+    if (g_str_has_prefix(p, "cmd:")) {
         if (slirp_add_exec(s->slirp, &p[4], &server, port) < 0) {
             error_setg(errp, "Conflicting/invalid host:port in guest "
                        "forwarding rule '%s'", config_str);