--- a/libfdcore/config.c	Sat Mar 16 15:49:31 2013 +0100
+++ b/libfdcore/config.c	Sat Mar 16 16:05:37 2013 +0100
@@ -261,7 +261,7 @@
 	
 	/* Check that TLS private key was given */
 	if (! fd_g_config->cnf_sec_data.key_file) {
-		fprintf(stderr, "Missing private key configuration for TLS. Please provide the TLS_cred configuration directive.\n");
+		TRACE_ERROR( "Missing private key configuration for TLS. Please provide the TLS_cred configuration directive.\n");
 		return EINVAL;
 	}
 	
@@ -294,7 +294,7 @@
 
 		ret = getaddrinfo(buf, NULL, &hints, &info);
 		if (ret != 0) {
-			fprintf(stderr, "Error resolving local FQDN :\n"
+			TRACE_ERROR( "Error resolving local FQDN :\n"
 					" '%s' : %s\n"
 					"Please provide Identity in configuration file.\n",
 					buf, gai_strerror(ret));
@@ -314,7 +314,7 @@
 		/* Check the diameter identity is a fqdn */
 		start = strchr(fd_g_config->cnf_diamid, '.');
 		if ((start == NULL) || (start[1] == '\0')) {
-			fprintf(stderr, "Unable to extract realm from the Identity '%s'.\n"
+			TRACE_ERROR( "Unable to extract realm from the Identity '%s'.\n"
 					"Please fix your Identity setting or provide Realm.\n",
 					fd_g_config->cnf_diamid);
 			return EINVAL;
@@ -328,11 +328,11 @@
 	
 	/* Validate some flags */
 	if (fd_g_config->cnf_flags.no_ip4 && fd_g_config->cnf_flags.no_ip6) {
-		fprintf(stderr, "IP and IPv6 cannot be disabled at the same time.\n");
+		TRACE_ERROR( "IP and IPv6 cannot be disabled at the same time.\n");
 		return EINVAL;
 	}
 	if (fd_g_config->cnf_flags.no_tcp && fd_g_config->cnf_flags.no_sctp) {
-		fprintf(stderr, "TCP and SCTP cannot be disabled at the same time.\n");
+		TRACE_ERROR( "TCP and SCTP cannot be disabled at the same time.\n");
 		return EINVAL;
 	}
 	

--- a/libfdcore/core.c	Sat Mar 16 15:49:31 2013 +0100
+++ b/libfdcore/core.c	Sat Mar 16 16:05:37 2013 +0100
@@ -193,7 +193,7 @@
 	#endif /* GNUTLS_VERSION_210 */
 	CHECK_GNUTLS_DO( gnutls_global_init(), return EINVAL );
 	if ( ! gnutls_check_version(GNUTLS_VERSION) ) {
-		fprintf(stderr, "The GNUTLS library is too old; found '%s', need '" GNUTLS_VERSION "'\n", gnutls_check_version(NULL));
+		TRACE_ERROR( "The GNUTLS library is too old; found '%s', need '" GNUTLS_VERSION "'\n", gnutls_check_version(NULL));
 		return EINVAL;
 	} else {
 	#ifdef GNUTLS_VERSION_210
@@ -316,7 +316,7 @@
 		/* Just wait for core_runner_thread to complete and return gracefully */
 		ret = pthread_join(core_runner, &th_ret);
 		if (ret != 0) {
-			fprintf(stderr, "Unable to wait for main framework thread termination: %s\n", strerror(ret));
+			TRACE_ERROR( "Unable to wait for main framework thread termination: %s\n", strerror(ret));
 			return ret;
 		}
 	}