NEW FILE HEADER / COPYRIGHT FORMAT

[senf.git] / Utils / Exception.cc

diff --git a/Utils/Exception.cc b/Utils/Exception.cc
index a534910..77f4548 100644 (file)
--- a/Utils/Exception.cc
+++ b/Utils/Exception.cc
@@ -1,9 +1,9 @@
 // $Id$
 //
-// Copyright (C) 2006 
-// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
-// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
-//     Stefan Bund <stefan.bund@fokus.fraunhofer.de>
+// Copyright (C) 2006
+// Fraunhofer Institute for Open Communication Systems (FOKUS) 
+// Competence Center NETwork research (NET), St. Augustin, GERMANY 
+//     Stefan Bund <g0dil@berlios.de>
 //
 // 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
@@ -20,21 +20,51 @@
 // Free Software Foundation, Inc.,
 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-// Definition of non-inline non-template functions
+/** \file
+    \brief Exception non-inline non-template implementation */
 
 #include "Exception.hh"
 //#include "Exception.ih"
 
 // Custom includes
 #include <cstring>
+#include <sstream>
 
 #define prefix_
 ///////////////////////////////cc.p////////////////////////////////////////
 
-prefix_ char const * satcom::lib::SystemException::what()
-    const throw()
+prefix_ void senf::throwErrno(std::string const & where, int code)
 {
-    return std::strerror(this->err);
+#ifndef SENF_NO_ERRNOEXC
+    switch (code) {
+
+    // BOOST_PP_REPEAT is limited to 256 repetitions. The max errno value I found in any header file
+    // was somewhere around 530 or so. I assume going to 1024 will be good enough. This explicit
+    // code will be optimized into a jump table by g++ (which is more efficient than trying to do
+    // the table oneself)
+
+#   define ExceptionCase(z, n, data) case n: throw ErrnoException<n>(where);
+    BOOST_PP_REPEAT(256, ExceptionCase, _) ;
+#   undef ExceptionCase
+
+#   define ExceptionCase(z, n, data) case 256+n: throw ErrnoException<256+n>(where);
+    BOOST_PP_REPEAT(256, ExceptionCase, _) ;
+#   undef ExceptionCase
+
+#   define ExceptionCase(z, n, data) case 512+n: throw ErrnoException<512+n>(where);
+    BOOST_PP_REPEAT(256, ExceptionCase, _) ;
+#   undef ExceptionCase
+
+#   define ExceptionCase(z, n, data) case 768+n: throw ErrnoException<768+n>(where);
+    BOOST_PP_REPEAT(256, ExceptionCase, _) ;
+#   undef ExceptionCase
+
+    default:
+        throw SystemException(where, code);
+    }
+#else 
+    throw SystemException(where, code);
+#endif
 }
 
 ///////////////////////////////cc.e////////////////////////////////////////
@@ -43,5 +73,10 @@ prefix_ char const * satcom::lib::SystemException::what()
 \f
 // Local Variables:
 // mode: c++
-// c-file-style: "satcom"
+// fill-column: 100
+// c-file-style: "senf"
+// indent-tabs-mode: nil
+// ispell-local-dictionary: "american"
+// compile-command: "scons -u test"
+// comment-column: 40
 // End: