make it compile

.vscode/settings.json

@@ -67,6 +67,7 @@
     "shared_mutex": "cpp",
     "complex": "cpp",
     "variant": "cpp",
-    "any": "cpp"
+    "any": "cpp",
+    "tuntap.h": "c"
   }
 }

include/tuntap.h

@@ -230,7 +230,7 @@ extern "C"
   tuntap_sys_set_ipv4_tap(struct device *, t_tun_in_addr *, uint32_t);
   int
   tuntap_sys_set_ipv4_tun(struct device *dev, t_tun_in_addr *s4,
-                          t_tun_in_addr *s4dest, uint32_t bits);
+                          t_tun_in_addr *s4dest, uint32_t bits, int netmask);
 #endif
 
   int

vendor/libtuntap-master/tuntap-unix-freebsd.c

@@ -187,7 +187,8 @@ tuntap_sys_set_ipv4_tap(struct device *dev, t_tun_in_addr *s4, uint32_t bits)
 }
 
 static int
-tuntap_sys_add_route(struct device *dev, t_tun_in_addr *s4, uint32_t bits)
+tuntap_sys_add_route(struct device *dev, t_tun_in_addr *s4, uint32_t bits,
+                     uint32_t netmask)
 {
   struct sockaddr_in mask;
   mask.sin_family      = AF_INET;
@@ -205,8 +206,8 @@ tuntap_sys_add_route(struct device *dev, t_tun_in_addr *s4, uint32_t bits)
            dev->if_name, addr, addr, netmask);
   tuntap_log(TUNTAP_LOG_INFO, buf);
   system(buf);
-  snprintf(buf, sizeof(buf), "route add %s/%d -interface %s", addr,
-           dev->netmask, dev->if_name);
+  snprintf(buf, sizeof(buf), "route add %s/%d -interface %s", addr, netmask,
+           dev->if_name);
   tuntap_log(TUNTAP_LOG_INFO, buf);
   system(buf);
   return 0;
@@ -214,7 +215,7 @@ tuntap_sys_add_route(struct device *dev, t_tun_in_addr *s4, uint32_t bits)
 
 int
 tuntap_sys_set_ipv4_tun(struct device *dev, t_tun_in_addr *s4,
-                        t_tun_in_addr *s4dest, uint32_t bits)
+                        t_tun_in_addr *s4dest, uint32_t bits, uint32_t netmask)
 {
   struct ifaliasreq ifrq;
   struct sockaddr_in mask;
@@ -252,7 +253,7 @@ tuntap_sys_set_ipv4_tun(struct device *dev, t_tun_in_addr *s4,
     tuntap_log(TUNTAP_LOG_ERR, "Can't set IP address");
     return -1;
   }
-  return tuntap_sys_add_route(dev, s4, bits);
+  return tuntap_sys_add_route(dev, s4, bits, netmask);
 }
 
 int

vendor/libtuntap-master/tuntap.cpp

@@ -34,7 +34,7 @@
 #ifndef _MSC_VER
 extern "C" int
 inet_pton(int af, const char *src, void *dst);
-extern "C"  const char *
+extern "C" const char *
 inet_ntop(int af, const void *src, char *dst, size_t size);
 #endif
 #else
@@ -68,9 +68,9 @@ extern "C"
     dev->tun_fd    = TUNFD_INVALID_VALUE;
     dev->ctrl_sock = -1;
     dev->flags     = 0;
-	#if defined(Windows)
-	memset(&dev->ovl[0], 0, sizeof(OVERLAPPED)*2);
-	#endif
+#if defined(Windows)
+    memset(&dev->ovl[0], 0, sizeof(OVERLAPPED) * 2);
+#endif
 
     __tuntap_log = &tuntap_log_default;
     return dev;
@@ -143,7 +143,7 @@ extern "C"
       errval = inet_pton(AF_INET, daddr, &(daddr4));
       if(errval == 1)
       {
-        return tuntap_sys_set_ipv4_tun(dev, &baddr4, &daddr4, mask);
+        return tuntap_sys_set_ipv4_tun(dev, &baddr4, &daddr4, mask, netmask);
       }
       else
       {