audio/include/AudioError.h

	AudioError.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _MULTIMEDIA_AUDIOERROR_H
#define _MULTIMEDIA_AUDIOERROR_H

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <locale.h>
#include <errno.h>
#include <audio_errno.h>    /* to get enum for error codes */

#ifdef __cplusplus
extern "C" {
#endif

#if !defined(TEXT_DOMAIN)   /* Should be defined by cc -D */
#define TEXT_DOMAIN "SYS_TEST"  /* Use this only if it weren't */
#endif

#define _MGET_(str) (char *)dgettext(TEXT_DOMAIN, str)
#define _GETTEXT_(str)  (char *)gettext(str)

// The AudioError class allows various interesting automatic conversions
class AudioError {
private:
    audioerror_t    code;           // error code

public:
    int     sys;            // system error code

    inline AudioError(audioerror_t val = AUDIO_SUCCESS):    // Constructor
        code(val), sys(0)
        { if (code == AUDIO_UNIXERROR) sys = errno; }
    inline AudioError(int val):         // Constructor from int
        code((audioerror_t)val), sys(0)
        { if (code == AUDIO_UNIXERROR) sys = errno; }

    inline AudioError operator = (AudioError val)   // Assignment
        { code = val.code; sys = val.sys; return (*this); }
    inline operator int()               // Cast to integer
        { return (code); }
    inline int operator == (audioerror_t e)     // Compare
        { return (code == e); }
    inline int operator != (audioerror_t e)     // Compare
        { return (code != e); }
    inline int operator == (AudioError e)       // Compare
        { return ((code == e.code) && (sys == e.sys)); }
    inline int operator != (AudioError e)       // Compare
        { return ((code != e.code) || (sys != e.sys)); }

    char *msg();                    // Return error string
};

#ifdef __cplusplus
}
#endif

#endif /* !_MULTIMEDIA_AUDIOERROR_H */