--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/pdo_entry.c	Mon Jun 02 10:21:20 2008 +0000
@@ -0,0 +1,130 @@
+/******************************************************************************
+ *
+ *  $Id$
+ *
+ *  Copyright (C) 2006  Florian Pose, Ingenieurgemeinschaft IgH
+ *
+ *  This file is part of the IgH EtherCAT Master.
+ *
+ *  The IgH EtherCAT Master 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.
+ *
+ *  The IgH EtherCAT Master 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 the IgH EtherCAT Master; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ *  The right to use EtherCAT Technology is granted and comes free of
+ *  charge under condition of compatibility of product made by
+ *  Licensee. People intending to distribute/sell products based on the
+ *  code, have to sign an agreement to guarantee that products using
+ *  software based on IgH EtherCAT master stay compatible with the actual
+ *  EtherCAT specification (which are released themselves as an open
+ *  standard) as the (only) precondition to have the right to use EtherCAT
+ *  Technology, IP and trade marks.
+ *
+ *****************************************************************************/
+
+/**
+   \file
+   EtherCAT process data object entry methods.
+*/
+
+/*****************************************************************************/
+
+#include <linux/slab.h>
+
+#include "pdo_entry.h"
+
+/*****************************************************************************/
+
+/** Pdo entry constructor.
+ */
+void ec_pdo_entry_init(
+        ec_pdo_entry_t *entry /**< Pdo entry. */
+        )
+{
+    entry->name = NULL;
+}
+
+/*****************************************************************************/
+
+/** Pdo entry copy constructor.
+ */
+int ec_pdo_entry_init_copy(
+        ec_pdo_entry_t *entry, /**< Pdo entry. */
+        const ec_pdo_entry_t *other /**< Pdo entry to copy from. */
+        )
+{
+    entry->index = other->index;
+    entry->subindex = other->subindex;
+    entry->name = NULL;
+    entry->bit_length = other->bit_length;
+
+    if (ec_pdo_entry_set_name(entry, other->name))
+        return -1;
+
+    return 0;
+}
+
+/*****************************************************************************/
+
+/** Pdo entry destructor.
+ */
+void ec_pdo_entry_clear(ec_pdo_entry_t *entry /**< Pdo entry. */)
+{
+    if (entry->name)
+        kfree(entry->name);
+}
+
+/*****************************************************************************/
+
+/** Set Pdo entry name.
+ */
+int ec_pdo_entry_set_name(
+        ec_pdo_entry_t *entry, /**< Pdo entry. */
+        const char *name /**< New name. */
+        )
+{
+    unsigned int len;
+
+    if (entry->name)
+        kfree(entry->name);
+
+    if (name && (len = strlen(name))) {
+        if (!(entry->name = (char *) kmalloc(len + 1, GFP_KERNEL))) {
+            EC_ERR("Failed to allocate Pdo entry name.\n");
+            return -1;
+        }
+        memcpy(entry->name, name, len + 1);
+    } else {
+        entry->name = NULL;
+    }
+
+    return 0;
+}
+
+/*****************************************************************************/
+
+/** Compares two Pdo entries.
+ *
+ * \retval 1 The entries are equal.
+ * \retval 0 The entries differ.
+ */
+int ec_pdo_entry_equal(
+        const ec_pdo_entry_t *entry1, /**< First Pdo entry. */
+        const ec_pdo_entry_t *entry2 /**< Second Pdo entry. */
+        )
+{
+    return entry1->index == entry2->index
+        && entry1->subindex == entry2->subindex
+        && entry1->bit_length == entry2->bit_length;
+}
+
+/*****************************************************************************/