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diff --git a/src/nhm-helper.c b/src/nhm-helper.c
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+/* NHM - NodeHealthMonitor
+ *
+ * Copyright (C) 2013 Continental Automotive Systems, Inc.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public License,
+ * v. 2.0. If a copy of the MPL was not distributed with this file, You can
+ * obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * Author: Jean-Pierre Bogler <Jean-Pierre.Bogler@continental-corporation.com>
+ */
+
+/**
+ * SECTION: nhm-helper
+ * @title: NodeHealthMonitor (NHM) helper functions
+ * @short_description: Functions commonly used by NHM
+ *
+ * The section implements common tasks of in NHM in separate functions.
+ */
+
+
+/******************************************************************************
+*
+* Header includes
+*
+******************************************************************************/
+
+/* Own header files */
+#include "nhm-helper.h"
+
+/* System header files                   */
+#include <dlt/dlt.h>       /* DLT trace  */
+#include <glib-2.0/glib.h> /* Use GTypes */
+
+
+/******************************************************************************
+*
+* Exported global variables and constants
+*
+******************************************************************************/
+
+/* Context for Log'n'Trace */
+DLT_DECLARE_CONTEXT(nhm_helper_trace_ctx);
+
+
+/******************************************************************************
+*
+* Interfaces. Exported functions.
+*
+******************************************************************************/
+
+/**
+ * nhm_helper_str_in_strv:
+ * @str:    String that is searched
+ * @strv:   String array in which to search string
+ * @return: %TRUE:  The string array contains the string.
+ *          %FALSE: String is not in array.
+ *
+ * The function checks if a passed string is within the passed string array.
+ */
+gboolean
+nhm_helper_str_in_strv(const gchar *str,
+                       gchar       *strv[])
+{
+  gboolean retval = FALSE;
+  guint    idx    = 0;
+
+  if(strv != NULL)
+  {
+    for(idx = 0; (idx < g_strv_length(strv)) && (retval == FALSE); idx++)
+    {
+      retval = (g_strcmp0(str, strv[idx]) == 0);
+    }
+  }
+  else
+  {
+    retval = FALSE;
+  }
+
+  return retval;
+}