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diff --git a/sediff/sediffx.h b/sediff/sediffx.h
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+/**
+ *  @file
+ *  Headers for main sediffx program.
+ *
+ *  @author Jeremy A. Mowery jmowery@tresys.com
+ *  @author Jason Tang jtang@tresys.com
+ *  @author Brandon Whalen bwhalen@tresys.com
+ *  @author Randy Wicks rwicks@tresys.com
+ *
+ *  Copyright (C) 2005-2007 Tresys Technology, LLC
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef SEDIFFX_H
+#define SEDIFFX_H
+
+#include <apol/policy.h>
+#include <apol/policy-path.h>
+#include <poldiff/poldiff.h>
+
+typedef struct sediffx sediffx_t;
+
+/** enumeration of which policy to affect -- the original policy (used
+    to be called "policy 1") or the modified policy ("policy 2") */
+typedef enum sediffx_policy
+{
+	SEDIFFX_POLICY_ORIG = 0, SEDIFFX_POLICY_MOD, SEDIFFX_POLICY_NUM
+} sediffx_policy_e;
+
+#define COPYRIGHT_INFO "Copyright (C) 2004-2007 Tresys Technology, LLC"
+
+/**
+ * Set one of the policies for sediffx.  This will invalidate any
+ * currently executed poldiff_t objects.
+ *
+ * @param s sediffx object to query.
+ * @param which Which policy to set.
+ * @param policy New policy file for sediffx.  If NULL then no policy
+ * is opened.  Afterwards sediffx takes ownership of the policy.
+ * @param path If policy is not NULL, then the path that was used to
+ * open the policy.
+ */
+void sediffx_set_policy(sediffx_t * s, sediffx_policy_e which, apol_policy_t * policy, apol_policy_path_t * path);
+
+/**
+ * Return the policy path for the policy given.  If the policy has not
+ * yet been loaded then return NULL.
+ *
+ * @param s sediffx object to query.
+ * @param which Which policy path to get.
+ *
+ * @return Path to the policy, or NULL if none set.
+ */
+const apol_policy_path_t *sediffx_get_policy_path(sediffx_t * s, const sediffx_policy_e which);
+
+/**
+ * Return the currently active poldiff object.  If one is not yet
+ * created or if a policy has changed since the last time this
+ * function was called, then build a new one and return it.  Note that
+ * this does not actually call poldiff_run(); it is up to the caller
+ * of this function to do that.
+ *
+ * @param s sediffx object to query.
+ * @param fn If a poldiff object is being created, a valid callback
+ * function to receive poldiff messages.
+ * @param arg Arbitrary argument to poldiff callback handler.
+ *
+ * @return Poldiff object for currently loaded policies, or NULL upon
+ * error.
+ */
+poldiff_t *sediffx_get_poldiff(sediffx_t * s, poldiff_handle_fn_t fn, void *arg);
+
+/**
+ * Set the flags that were used to run a poldiff.  This function
+ * should be called immediately proceeding a call to poldiff_run().
+ *
+ * @param s sediffx object that contained the poldiff object that ran.
+ * @param flags Flags for that were used during the run.
+ *
+ * @see sediffx_get_poldiff_run_flags
+ */
+void sediffx_set_poldiff_run_flags(sediffx_t * s, uint32_t flags);
+
+/**
+ * Get the flags that were used to run a poldiff.
+ *
+ * @param s sediffx object to query.
+ *
+ * @return poldiff run flags, or 0 in none set.
+ *
+ * @see sediffx_set_poldiff_run_flags
+ */
+uint32_t sediffx_get_poldiff_run_flags(sediffx_t * s);
+
+#endif