diff -r af21f0bdc7c9 -r 2b9c78543663 tool/CommandRegRead.cpp
--- a/tool/CommandRegRead.cpp	Thu Sep 06 14:21:02 2012 +0200
+++ b/tool/CommandRegRead.cpp	Mon Nov 03 15:20:05 2014 +0100
@@ -2,7 +2,7 @@
  *
  *  $Id$
  *
- *  Copyright (C) 2006-2009  Florian Pose, Ingenieurgemeinschaft IgH
+ *  Copyright (C) 2006-2012  Florian Pose, Ingenieurgemeinschaft IgH
  *
  *  This file is part of the IgH EtherCAT Master.
  *
@@ -48,20 +48,20 @@
     stringstream str;
 
     str << binaryBaseName << " " << getName()
-        << " [OPTIONS] <OFFSET> [LENGTH]" << endl
+        << " [OPTIONS] <ADDRESS> [SIZE]" << endl
         << endl
         << getBriefDescription() << endl
         << endl
         << "This command requires a single slave to be selected." << endl
         << endl
         << "Arguments:" << endl
-        << "  OFFSET is the register address. Must" << endl
-        << "         be an unsigned 16 bit number." << endl
-        << "  LENGTH is the number of bytes to read and must also be" << endl
-        << "         an unsigned 16 bit number. OFFSET plus LENGTH" << endl
-        << "         may not exceed 64k. The length is ignored (and" << endl
-        << "         can be omitted), if a selected data type" << endl
-        << "         implies a length." << endl
+        << "  ADDRESS is the register address. Must" << endl
+        << "          be an unsigned 16 bit number." << endl
+        << "  SIZE    is the number of bytes to read and must also be" << endl
+        << "          an unsigned 16 bit number. ADDRESS plus SIZE" << endl
+        << "          may not exceed 64k. The size is ignored (and" << endl
+        << "          can be omitted), if a selected data type" << endl
+        << "          implies a size." << endl
         << endl
         << typeInfo()
         << endl
@@ -81,7 +81,7 @@
 void CommandRegRead::execute(const StringVector &args)
 {
     SlaveList slaves;
-    ec_ioctl_slave_reg_t data;
+    ec_ioctl_slave_reg_t io;
     stringstream strOffset, err;
     const DataType *dataType = NULL;
 
@@ -93,9 +93,9 @@
     strOffset << args[0];
     strOffset
         >> resetiosflags(ios::basefield) // guess base from prefix
-        >> data.offset;
+        >> io.address;
     if (strOffset.fail()) {
-        err << "Invalid offset '" << args[0] << "'!";
+        err << "Invalid address '" << args[0] << "'!";
         throwInvalidUsageException(err);
     }
 
@@ -104,18 +104,18 @@
         strLength << args[1];
         strLength
             >> resetiosflags(ios::basefield) // guess base from prefix
-            >> data.length;
+            >> io.size;
         if (strLength.fail()) {
-            err << "Invalid length '" << args[1] << "'!";
+            err << "Invalid size '" << args[1] << "'!";
             throwInvalidUsageException(err);
         }
 
-        if (!data.length) {
+        if (!io.size) {
             err << "Length may not be zero!";
             throwInvalidUsageException(err);
         }
-    } else { // no length argument given
-        data.length = 0;
+    } else { // no size argument given
+        io.size = 0;
     }
 
     if (!getDataType().empty()) {
@@ -125,22 +125,22 @@
         }
 
         if (dataType->byteSize) {
-            // override length argument
-            data.length = dataType->byteSize;
+            // override size argument
+            io.size = dataType->byteSize;
         }
     }
 
-    if (!data.length) {
-        err << "The length argument is mandatory, if no datatype is " << endl
-            << "specified, or the datatype does not imply a length!";
+    if (!io.size) {
+        err << "The size argument is mandatory, if no datatype is " << endl
+            << "specified, or the datatype does not imply a size!";
         throwInvalidUsageException(err);
     }
 
-    if ((uint32_t) data.offset + data.length > 0xffff) {
-        err << "Offset and length exceeding 64k!";
+    if ((uint32_t) io.address + io.size > 0xffff) {
+        err << "Address and size exceeding 64k!";
         throwInvalidUsageException(err);
     }
-    
+
     MasterDevice m(getSingleMasterIndex());
     m.open(MasterDevice::Read);
     slaves = selectedSlaves(m);
@@ -148,25 +148,26 @@
     if (slaves.size() != 1) {
         throwSingleSlaveRequired(slaves.size());
     }
-    data.slave_position = slaves.front().position;
+    io.slave_position = slaves.front().position;
+    io.emergency = false;
 
-    data.data = new uint8_t[data.length];
+    io.data = new uint8_t[io.size];
 
     try {
-        m.readReg(&data);
+        m.readReg(&io);
     } catch (MasterDeviceException &e) {
-        delete [] data.data;
+        delete [] io.data;
         throw e;
     }
 
     try {
-        outputData(cout, dataType, data.data, data.length);
+        outputData(cout, dataType, io.data, io.size);
     } catch (SizeException &e) {
-        delete [] data.data;
+        delete [] io.data;
         throwCommandException(e.what());
     }
 
-    delete [] data.data;
+    delete [] io.data;
 }
 
 /*****************************************************************************/