X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/80fea873648ca2ab2e592999a336c59cf054ab55..584e96c65f12aca9414450b656504af6e3f7a399:/src/src/host.c

diff --git a/src/src/host.c b/src/src/host.c
index 7bfa312ed..7fda13d3c 100644
--- a/src/src/host.c
+++ b/src/src/host.c
@@ -597,12 +597,12 @@ if (sender_host_name == NULL)
   sender_fullhost = (sender_helo_name == NULL)? address :
     string_sprintf("(%s) %s", sender_helo_name, address);
 
-  sender_rcvhost = string_cat(NULL, &size, &ptr, address, adlen);
+  sender_rcvhost = string_catn(NULL, &size, &ptr, address, adlen);
 
   if (sender_ident != NULL || show_helo || portptr != NULL)
     {
     int firstptr;
-    sender_rcvhost = string_cat(sender_rcvhost, &size, &ptr, US" (", 2);
+    sender_rcvhost = string_catn(sender_rcvhost, &size, &ptr, US" (", 2);
     firstptr = ptr;
 
     if (portptr != NULL)
@@ -617,7 +617,7 @@ if (sender_host_name == NULL)
       sender_rcvhost = string_append(sender_rcvhost, &size, &ptr, 2,
         (firstptr == ptr)? US"ident=" : US" ident=", sender_ident);
 
-    sender_rcvhost = string_cat(sender_rcvhost, &size, &ptr, US")", 1);
+    sender_rcvhost = string_catn(sender_rcvhost, &size, &ptr, US")", 1);
     }
 
   sender_rcvhost[ptr] = 0;   /* string_cat() always leaves room */