Explicit log of callback errors.

diff --git a/xmlproviders/XMLTrust.cpp b/xmlproviders/XMLTrust.cpp
index d21ae75..b6ee449 100644 (file)
--- a/xmlproviders/XMLTrust.cpp
+++ b/xmlproviders/XMLTrust.cpp
@@ -79,7 +79,7 @@ namespace {
     int logging_callback(int ok, X509_STORE_CTX* store)
     {
         if (!ok)
-            Category::getInstance("OpenSSL").error(X509_verify_cert_error_string(store->error));
+            Category::getInstance("OpenSSL").error("verify_callback error: %s", X509_verify_cert_error_string(store->error));
         return ok;
     }