/*

 * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan

 * (Royal Institute of Technology, Stockholm, Sweden).

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 *

 * 2. 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.

 *

 * 3. Neither the name of the Institute 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 THE INSTITUTE AND CONTRIBUTORS ``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 THE INSTITUTE OR CONTRIBUTORS 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.

 */

#if defined(_MSC_VER)

# pragma warning(disable: 4646)

# pragma warning(disable: 4716)

#endif

#include "krb5_locl.h"

#include <err.h>

static krb5_error_code _warnerr(krb5_context context, int do_errtext,

   krb5_error_code code, int level, const char *fmt, va_list ap)

  __attribute__ ((__format__ (__printf__, 5, 0)));

static krb5_error_code

_warnerr(krb5_context context, int do_errtext,

   krb5_error_code code, int level, const char *fmt, va_list ap)

{

    if (do_errtext)

        return heim_vwarn(context ? context->hcontext : NULL, code, fmt, ap);

    else

        return heim_vwarnx(context ? context->hcontext : NULL, fmt, ap);

}

#define FUNC_NORET(ETEXT, CODE, LEVEL)                                 \

    va_list ap;                                                        \

    va_start(ap, fmt);                                                 \

    (void) _warnerr(context, ETEXT, CODE, LEVEL, fmt, ap);             \

    va_end(ap);

#undef __attribute__

#define __attribute__(X)

/**

 * Log a warning to the log, default stderr, include the error from

 * the last failure.

 *

 * @param context A Kerberos 5 context.

 * @param code error code of the last error

 * @param fmt message to print

 * @param ap arguments

 *

 * @ingroup krb5_error

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_vwarn(krb5_context context, krb5_error_code code,

     const char *fmt, va_list ap)

     __attribute__ ((__format__ (__printf__, 3, 0)))

{

    return heim_vwarn(context ? context->hcontext : NULL, code, fmt, ap);

}

/**

 * Log a warning to the log, default stderr, include the error from

 * the last failure.

 *

 * @param context A Kerberos 5 context.

 * @param code error code of the last error

 * @param fmt message to print

 *

 * @ingroup krb5_error

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_warn(krb5_context context, krb5_error_code code, const char *fmt, ...)

     __attribute__ ((__format__ (__printf__, 3, 4)))

{

    krb5_error_code ret;

    va_list ap;

    va_start(ap, fmt);

    ret = krb5_vwarn(context, code, fmt, ap);

    va_end(ap);

    return ret;

}

/**

 * Log a warning to the log, default stderr.

 *

 * @param context A Kerberos 5 context.

 * @param fmt message to print

 * @param ap arguments

 *

 * @ingroup krb5_error

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_vwarnx(krb5_context context, const char *fmt, va_list ap)

     __attribute__ ((__format__ (__printf__, 2, 0)))

{

    return heim_vwarnx(context ? context->hcontext : NULL, fmt, ap);

}

/**

 * Log a warning to the log, default stderr.

 *

 * @param context A Kerberos 5 context.

 * @param fmt message to print

 *

 * @ingroup krb5_error

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_warnx(krb5_context context, const char *fmt, ...)

     __attribute__ ((__format__ (__printf__, 2, 3)))

{

    krb5_error_code ret;

    va_list ap;

    va_start(ap, fmt);

    ret = krb5_vwarnx(context, fmt, ap);

    va_end(ap);

    return ret;

}

/**

 * Log a warning to the log, default stderr, include bthe error from

 * the last failure and then exit.

 *

 * @param context A Kerberos 5 context

 * @param eval the exit code to exit with

 * @param code error code of the last error

 * @param fmt message to print

 * @param ap arguments

 *

 * @ingroup krb5_error

 */

KRB5_LIB_NORETURN_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_verr(krb5_context context, int eval, krb5_error_code code,

    const char *fmt, va_list ap)

     __attribute__ ((__noreturn__, __format__ (__printf__, 4, 0)))

{

    _warnerr(context, 1, code, 0, fmt, ap);

    exit(eval);

    UNREACHABLE(return 0);

}

/**

 * Log a warning to the log, default stderr, include bthe error from

 * the last failure and then exit.

 *

 * @param context A Kerberos 5 context

 * @param eval the exit code to exit with

 * @param code error code of the last error

 * @param fmt message to print

 *

 * @ingroup krb5_error

 */

KRB5_LIB_NORETURN_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_err(krb5_context context, int eval, krb5_error_code code,

   const char *fmt, ...)

     __attribute__ ((__noreturn__, __format__ (__printf__, 4, 5)))

{

    FUNC_NORET(1, code, 0);

    exit(eval);

    UNREACHABLE(return 0);

}

/**

 * Log a warning to the log, default stderr, and then exit.

 *

 * @param context A Kerberos 5 context

 * @param eval the exit code to exit with

 * @param fmt message to print

 * @param ap arguments

 *

 * @ingroup krb5_error

 */

KRB5_LIB_NORETURN_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_verrx(krb5_context context, int eval, const char *fmt, va_list ap)

     __attribute__ ((__noreturn__, __format__ (__printf__, 3, 0)))

{

    _warnerr(context, 0, 0, 0, fmt, ap);

    exit(eval);

    UNREACHABLE(return 0);

}

/**

 * Log a warning to the log, default stderr, and then exit.

 *

 * @param context A Kerberos 5 context

 * @param eval the exit code to exit with

 * @param fmt message to print

 *

 * @ingroup krb5_error

 */

KRB5_LIB_NORETURN_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_errx(krb5_context context, int eval, const char *fmt, ...)

     __attribute__ ((__noreturn__, __format__ (__printf__, 3, 4)))

{

    FUNC_NORET(0, 0, 0);

    exit(eval);

    UNREACHABLE(return 0);

}

/**

 * Log a warning to the log, default stderr, include bthe error from

 * the last failure and then abort.

 *

 * @param context A Kerberos 5 context

 * @param code error code of the last error

 * @param fmt message to print

 * @param ap arguments

 *

 * @ingroup krb5_error

 */

KRB5_LIB_NORETURN_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_vabort(krb5_context context, krb5_error_code code,

      const char *fmt, va_list ap)

     __attribute__ ((__noreturn__, __format__ (__printf__, 3, 0)))

{

    _warnerr(context, 1, code, 0, fmt, ap);

    abort();

    UNREACHABLE(return 0);

}

/**

 * Log a warning to the log, default stderr, include the error from

 * the last failure and then abort.

 *

 * @param context A Kerberos 5 context

 * @param code error code of the last error

 * @param fmt message to print

 * @param ... arguments for format string

 *

 * @ingroup krb5_error

 */

KRB5_LIB_NORETURN_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_abort(krb5_context context, krb5_error_code code, const char *fmt, ...)

     __attribute__ ((__noreturn__, __format__ (__printf__, 3, 4)))

{

    FUNC_NORET(1, code, 0);

    abort();

    UNREACHABLE(return 0);

}

KRB5_LIB_NORETURN_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_vabortx(krb5_context context, const char *fmt, va_list ap)

     __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0)))

{

    _warnerr(context, 0, 0, 0, fmt, ap);

    abort();

    UNREACHABLE(return 0);

}

/**

 * Log a warning to the log, default stderr, and then abort.

 *

 * @param context A Kerberos 5 context

 * @param fmt printf format string of message to print

 * @param ... arguments for format string

 *

 * @ingroup krb5_error

 */

KRB5_LIB_NORETURN_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_abortx(krb5_context context, const char *fmt, ...)

     __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3)))

{

    FUNC_NORET(0, 0, 0);

    abort();

    UNREACHABLE(return 0);

}

/**

 * Set the default logging facility.

 *

 * @param context A Kerberos 5 context

 * @param fac Facility to use for logging.

 *

 * @ingroup krb5_error

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_set_warn_dest(krb5_context context, krb5_log_facility *fac)

{

    return heim_set_warn_dest(context->hcontext, fac);

}

/**

 * Get the default logging facility.

 *

 * @param context A Kerberos 5 context

 *

 * @ingroup krb5_error

 */

KRB5_LIB_FUNCTION krb5_log_facility * KRB5_LIB_CALL

krb5_get_warn_dest(krb5_context context)

{

    return heim_get_warn_dest(context->hcontext);

}