#! /bin/sh /usr/share/dpatch/dpatch-run
## 0016_sasl_set_mutex.dpatch by  <root@buildtests2.inl.fr>
##
## All lines beginning with `## DP:' are a description of the patch.
## DP: No description.

@DPATCH@
diff -urNad cyrus-sasl2-2.1.22.dfsg1~/lib/common.c cyrus-sasl2-2.1.22.dfsg1/lib/common.c
--- cyrus-sasl2-2.1.22.dfsg1~/lib/common.c	2008-09-20 13:57:42.000000000 +0200
+++ cyrus-sasl2-2.1.22.dfsg1/lib/common.c	2008-09-20 13:57:58.000000000 +0200
@@ -153,6 +153,13 @@
 void sasl_set_mutex(sasl_mutex_alloc_t *n, sasl_mutex_lock_t *l,
 		    sasl_mutex_unlock_t *u, sasl_mutex_free_t *d)
 {
+  /* only one call is permitted, if one of the function has already
+   * been changed we are in trouble in a subsequent call */
+  if ((_sasl_mutex_utils.alloc != &sasl_mutex_alloc) ||
+  	(_sasl_mutex_utils.lock != &sasl_mutex_lock) ||
+	(_sasl_mutex_utils.unlock != &sasl_mutex_unlock) ||
+	(_sasl_mutex_utils.free != &sasl_mutex_free))
+     return;
   _sasl_mutex_utils.alloc=n;
   _sasl_mutex_utils.lock=l;
   _sasl_mutex_utils.unlock=u;