wave-nix.cpp

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/*
 * wave-nix.cpp
 *
 * Copyright (C) 2011  Thomas A. Vaughan
 * All rights reserved.
 *
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the <organization> nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THOMAS A. VAUGHAN ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THOMAS A. VAUGHAN BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *
 * Very basic helper routines and classes for working with *nix APIs.
 */


// includes --------------------------------------------------------------------
#include "wave-nix.h"           // always include our own header first!

#include "linux/errno.h"


////////////////////////////////////////////////////////////////////////////////
//
//      static helper methods
//
////////////////////////////////////////////////////////////////////////////////



////////////////////////////////////////////////////////////////////////////////
//
//      public API
//
////////////////////////////////////////////////////////////////////////////////

#define DIAGNOSE_CODE(x) case x :                                       \
                stream << "Error code " << x << ": " << #x << "\n";     \
                break;


void
dumpErrorInfo
(
IN std::ostream& stream,
IN int errorCode
)
{
        ASSERT_THROW(stream.good(), "bad stream?");

        switch (errorCode) {

        // list common *nix error codes in alphabetical order
        DIAGNOSE_CODE(EACCES)
        DIAGNOSE_CODE(EADDRINUSE)
        DIAGNOSE_CODE(EAGAIN)
        DIAGNOSE_CODE(EBADF)
        DIAGNOSE_CODE(EBUSY)
        DIAGNOSE_CODE(EDEADLK)
        DIAGNOSE_CODE(EFAULT)
        DIAGNOSE_CODE(EINVAL)
        DIAGNOSE_CODE(EIO)
        DIAGNOSE_CODE(ENOENT)
        DIAGNOSE_CODE(ENOSPC)
        DIAGNOSE_CODE(ENOSTR)
        DIAGNOSE_CODE(ENOTBLK)
        DIAGNOSE_CODE(ENOTSOCK)
        DIAGNOSE_CODE(ENXIO)
        DIAGNOSE_CODE(EPERM)
        DIAGNOSE_CODE(EPIPE)

        default:
                stream << "Unknown error code! " << errorCode << "\n";
        }
}