Check if IP_TOS is defined before using.

diff --git a/regress/netcat.c b/regress/netcat.c
index 56bd09de54855b85a9b8c9bf719ec4564650988c..2d86818e2c84de98e4292f57d5ca6b7af3ca724f 100644 (file)
--- a/regress/netcat.c
+++ b/regress/netcat.c
@@ -1181,11 +1181,13 @@ set_common_sockopts(int s)
                        &x, sizeof(x)) == -1)
                        err(1, "setsockopt");
        }
+#ifdef IP_TOS
        if (Tflag != -1) {
                if (setsockopt(s, IPPROTO_IP, IP_TOS,
                    &Tflag, sizeof(Tflag)) == -1)
                        err(1, "set IP ToS");
        }
+#endif
        if (Iflag) {
                if (setsockopt(s, SOL_SOCKET, SO_RCVBUF,
                    &Iflag, sizeof(Iflag)) == -1)
@@ -1201,6 +1203,7 @@ set_common_sockopts(int s)
 int
 map_tos(char *s, int *val)
 {
+#ifdef IP_TOS
        /* DiffServ Codepoints and other TOS mappings */
        const struct toskeywords {
                const char      *keyword;
@@ -1242,6 +1245,7 @@ map_tos(char *s, int *val)
                        return (1);
                }
        }
+#endif
 
        return (0);
 }