Add compile-time guard against BDB library version 6

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

diff --git a/src/src/spf.c b/src/src/spf.c
index 0f215e3b5b6511ba56ff168c572cebf254d83571..c4c5ef7612030cd754c731661a8120270528c1ac 100644 (file)
--- a/src/src/spf.c
+++ b/src/src/spf.c
@@ -3,8 +3,10 @@
 *************************************************/
 
 /* Experimental SPF support.
-   Copyright (c) Tom Kistner <tom@duncanthrax.net> 2004
-   License: GPL */
+   Copyright (c) Tom Kistner <tom@duncanthrax.net> 2004 - 2014
+   License: GPL
+   Copyright (c) The Exim Maintainers 2017
+*/
 
 /* Code for calling spf checks via libspf-alt. Called from acl.c. */
 
@@ -13,16 +15,17 @@
 
 /* must be kept in numeric order */
 static spf_result_id spf_result_id_list[] = {
-  { US"invalid", 0},
-  { US"neutral", 1 },
-  { US"pass", 2 },
-  { US"fail", 3 },
-  { US"softfail", 4 },
-  { US"none", 5 },
-  { US"err_temp", 6 },  /* Deprecated Apr 2014 */
-  { US"err_perm", 7 },  /* Deprecated Apr 2014 */
-  { US"temperror", 6 }, /* RFC 4408 defined */
-  { US"permerror", 7 }  /* RFC 4408 defined */
+  /* name              value */
+  { US"invalid",       0},
+  { US"neutral",       1 },
+  { US"pass",          2 },
+  { US"fail",          3 },
+  { US"softfail",      4 },
+  { US"none",          5 },
+  { US"err_temp",      6 },  /* Deprecated Apr 2014 */
+  { US"err_perm",      7 },  /* Deprecated Apr 2014 */
+  { US"temperror",     6 }, /* RFC 4408 defined */
+  { US"permerror",     7 }  /* RFC 4408 defined */
 };
 
 SPF_server_t    *spf_server = NULL;
@@ -74,9 +77,9 @@ int spf_init(uschar *spf_helo_domain, uschar *spf_remote_addr) {
    context (if any), retrieves the result, sets up expansion
    strings and evaluates the condition outcome. */
 
-int spf_process(uschar **listptr, uschar *spf_envelope_sender, int action) {
+int spf_process(const uschar **listptr, uschar *spf_envelope_sender, int action) {
   int sep = 0;
-  uschar *list = *listptr;
+  const uschar *list = *listptr;
   uschar *spf_result_id;
   uschar spf_result_id_buffer[128];
   int rc = SPF_RESULT_PERMERROR;
@@ -100,10 +103,10 @@ int spf_process(uschar **listptr, uschar *spf_envelope_sender, int action) {
     SPF_request_query_mailfrom(spf_request, &spf_response);
 
   /* set up expansion items */
-  spf_header_comment     = (uschar *)SPF_response_get_header_comment(spf_response);
-  spf_received           = (uschar *)SPF_response_get_received_spf(spf_response);
-  spf_result             = (uschar *)SPF_strresult(SPF_response_result(spf_response));
-  spf_smtp_comment       = (uschar *)SPF_response_get_smtp_comment(spf_response);
+  spf_header_comment     = US SPF_response_get_header_comment(spf_response);
+  spf_received           = US SPF_response_get_received_spf(spf_response);
+  spf_result             = US SPF_strresult(SPF_response_result(spf_response));
+  spf_smtp_comment       = US SPF_response_get_smtp_comment(spf_response);
 
   rc = SPF_response_result(spf_response);