util.net: Fix s2sout on Windows (return 0.0.0.0 and :: instead of an empty list)

diff --git a/util-src/net.c b/util-src/net.c
index 09ba92b8cb3b66eda8bb57e0cac2e550405ada13..e307c628146351873175d0dd92eb25d66188f73d 100644 (file)
--- a/util-src/net.c
+++ b/util-src/net.c
@@ -42,8 +42,8 @@ static int lc_local_addresses(lua_State *L)
        const long ip4_linklocal = htonl(0xa9fe0000); /* 169.254.0.0 */
        const long ip4_mask      = htonl(0xffff0000);
        struct ifaddrs *addr = NULL, *a;
-       int n = 1;
 #endif
+       int n = 1;
        int type = luaL_checkoption(L, 1, "both", type_strings);
        const char link_local = lua_toboolean(L, 2); /* defaults to 0 (false) */
        const char ipv4 = (type == 0 || type == 1);
@@ -92,6 +92,15 @@ static int lc_local_addresses(lua_State *L)
        }
 
        freeifaddrs(addr);
+#else
+       if (ipv4) {
+               lua_pushstring(L, "0.0.0.0");
+               lua_rawseti(L, -2, n++);
+       }
+       if (ipv6) {
+               lua_pushstring(L, "::");
+               lua_rawseti(L, -2, n++);
+       }
 #endif
        return 1;
 }