- log_addr = string_cat(log_addr, &size, &ptr,
- (log_addr == NULL)? US">" : US",", 1);
- log_addr = string_cat(log_addr, &size, &ptr, recipient,
- Ustrlen(recipient));
+ log_addr = string_catn(log_addr, &size, &ptr,
+ log_addr ? US"," : US">", 1);
+ log_addr = string_cat(log_addr, &size, &ptr, recipient);