From e5f7d6f400dd481dde5e9efe1b337cee828ba1e2 Mon Sep 17 00:00:00 2001
From: Florian Pose <fp@igh.de>
Date: Wed, 4 Jun 2008 10:10:05 +0000
Subject: [PATCH] Introduced ec_master_domain_count() and
 ec_master_find_domain().

---
 master/master.c | 34 ++++++++++++++++++++++++++++++++++
 master/master.h |  3 +++
 2 files changed, 37 insertions(+)

diff --git a/master/master.c b/master/master.c
index 33677da1..50c07084 100644
--- a/master/master.c
+++ b/master/master.c
@@ -1305,6 +1305,40 @@ ec_slave_t *ec_master_find_slave(
     return NULL;
 }
 
+/*****************************************************************************/
+
+unsigned int ec_master_domain_count(
+		const ec_master_t *master /**< EtherCAT master. */
+		)
+{
+	const ec_domain_t *domain;
+	unsigned int count = 0;
+
+	list_for_each_entry(domain, &master->domains, list) {
+		count++;
+	}
+
+	return count;
+}
+
+/*****************************************************************************/
+
+ec_domain_t *ec_master_find_domain(
+		ec_master_t *master, /**< EtherCAT master. */
+		unsigned int index /**< Domain index. */
+		)
+{
+	ec_domain_t *domain;
+
+	list_for_each_entry(domain, &master->domains, list) {
+		if (index--)
+			continue;
+		return domain;
+	}
+
+	return NULL;
+}
+
 /******************************************************************************
  *  Realtime interface
  *****************************************************************************/
diff --git a/master/master.h b/master/master.h
index 29ea1b34..e3d271ab 100644
--- a/master/master.h
+++ b/master/master.h
@@ -197,6 +197,9 @@ void ec_master_clear_eoe_handlers(ec_master_t *);
 #endif
 void ec_master_destroy_slaves(ec_master_t *);
 
+unsigned int ec_master_domain_count(const ec_master_t *);
+ec_domain_t *ec_master_find_domain(ec_master_t *, unsigned int);
+
 /*****************************************************************************/
 
 #endif