Start using 'design by contract' assertions

bk: 467b5b5dUszao4kht_4V8k3tPibIWQ

diff --git a/ntpd/ntp_io.c b/ntpd/ntp_io.c
index f4d5db7a85f972017312c26ba7c22595c86789e5..55e132f7b2cc7ba7b7063627e88271663250b799 100644 (file)
--- a/ntpd/ntp_io.c
+++ b/ntpd/ntp_io.c
@@ -16,6 +16,7 @@
 #include "ntp_request.h"
 #include "ntp.h"
 #include "ntp_unixtime.h"
+#include "ntp_assert.h"
 
 /* Don't include ISC's version of IPv6 variables and structures */
 #define ISC_IPV6_H 1
@@ -3619,6 +3620,8 @@ kill_asyncio(int startfd)
 static void
 add_fd_to_list(SOCKET fd, enum desc_type type) {
        vsock_t *lsock = (vsock_t *)malloc(sizeof(vsock_t));
+
+       NTP_INSIST(lsock != NULL);
        lsock->fd = fd;
        lsock->type = type;