* use just unsigned char buffer instead struct in_addr/in6_addr types

src/ipaddr.c

@@ -17,11 +17,11 @@ f2b_ipaddr_create(const char *addr) {
     strlcpy(a->text, addr, sizeof(a->text));
     if (strchr(addr, ':') == NULL) {
       a->type = AF_INET;
-      if (inet_pton(a->type, addr, &a->binary.v4) < 1)
+      if (inet_pton(a->type, addr, &a->binary) < 1)
         goto cleanup;
     } else {
       a->type = AF_INET6;
-      if (inet_pton(a->type, addr, &a->binary.v6) < 1)
+      if (inet_pton(a->type, addr, &a->binary) < 1)
         goto cleanup;
     }
   }

src/ipaddr.h

@@ -34,10 +34,7 @@ typedef struct f2b_ipaddr_t {
   time_t lastseen;           /**< self-descriptive, unixtime */
   time_t banned_at;          /**< self-descriptive, unixtime */
   time_t release_at;         /**< self-descriptive, unixtime */
-  union {
-    struct in_addr  v4;      /**< AF_INET address  */
-    struct in6_addr v6;      /**< AF_INET6 address */
-  } binary;                  /**< binary address representation, see @a type */
+  unsigned char binary[16];  /**< AF_INET/AF_INET6 binary address, see inet_pton() */
   f2b_matches_t matches;     /**< list of matches */
 } f2b_ipaddr_t;