- userhost = silc_calloc(strlen(nickname) + strlen(server) + 2,
- sizeof(*userhost));
- strncat(userhost, nickname, strlen(nickname));
- strncat(userhost, "@", 1);
- strncat(userhost, server, strlen(server));
+ len = strlen(nickname) + strlen(server) + 3;
+ userhost = silc_calloc(len, sizeof(*userhost));
+ silc_strncat(userhost, len, nickname, strlen(nickname));
+ silc_strncat(userhost, len, "@", 1);
+ silc_strncat(userhost, len, server, strlen(server));