Propagate null gstring through string_catn()

[exim.git] / src / src / dkim_transport.c

diff --git a/src/src/dkim_transport.c b/src/src/dkim_transport.c
index 8ce18c818186ce53ccd9ca12dd5adf4ad757b678..146faff36112c3997de063edad1380f1745b7958 100644 (file)
--- a/src/src/dkim_transport.c
+++ b/src/src/dkim_transport.c
@@ -21,8 +21,8 @@ if (dkim->dkim_strict)
   uschar * dkim_strict_result = expand_string(dkim->dkim_strict);
 
   if (dkim_strict_result)
-    if ( (strcmpic(dkim->dkim_strict, US"1") == 0) ||
-        (strcmpic(dkim->dkim_strict, US"true") == 0) )
+    if (  strcmpic(dkim_strict_result, US"1") == 0
+       || strcmpic(dkim_strict_result, US"true") == 0)
       {
       /* Set errno to something halfway meaningful */
       *errp = EACCES;
@@ -83,7 +83,7 @@ else
 
     while (sread)
       {
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
       wwritten = tls_out.active.sock == out_fd
        ? tls_write(tls_out.active.tls_ctx, p, sread, FALSE)
        : write(out_fd, CS p, sread);
@@ -169,7 +169,7 @@ if (!(dkim_signature = dkim_exim_sign(deliver_datafile, SPOOL_DATA_START_OFFSET,
 #ifdef EXPERIMENTAL_ARC
 if (dkim->arc_signspec)                        /* Prepend ARC headers */
   {
-  uschar * e;
+  uschar * e = NULL;
   if (!(dkim_signature = arc_sign(dkim->arc_signspec, dkim_signature, &e)))
     {
     *err = e;