dovecot-2.2: lib-sasl: Added reference counting to lib-sasl init...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/4c18abbf8b94
changeset: 17850:4c18abbf8b94
user:      Stephan Bosch <stephan at rename-it.nl>
date:      Tue Sep 30 23:49:35 2014 +0300
description:
lib-sasl: Added reference counting to lib-sasl initialization.

diffstat:

 src/lib-sasl/dsasl-client.c |  6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diffs (29 lines):

diff -r 18fc72a4a318 -r 4c18abbf8b94 src/lib-sasl/dsasl-client.c
--- a/src/lib-sasl/dsasl-client.c	Mon Sep 29 22:44:03 2014 +0300
+++ b/src/lib-sasl/dsasl-client.c	Tue Sep 30 23:49:35 2014 +0300
@@ -5,6 +5,7 @@
 #include "safe-memset.h"
 #include "dsasl-client-private.h"
 
+static int init_refcount = 0;
 static ARRAY(const struct dsasl_client_mech *) dsasl_mechanisms = ARRAY_INIT;
 
 static const struct dsasl_client_mech *
@@ -93,6 +94,9 @@
 
 void dsasl_clients_init(void)
 {
+	if (init_refcount++ > 0)
+		return;
+
 	i_array_init(&dsasl_mechanisms, 8);
 	dsasl_client_mech_register(&dsasl_client_mech_plain);
 	dsasl_client_mech_register(&dsasl_client_mech_login);
@@ -100,5 +104,7 @@
 
 void dsasl_clients_deinit(void)
 {
+	if (--init_refcount > 0)
+		return;
 	array_free(&dsasl_mechanisms);
 }