/* gerror.h - Error reporting system

 *

 *  Copyright 2000 Red Hat, Inc.

 *

 * The Gnome Library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public License as

 * published by the Free Software Foundation; either version 2 of the

 * License, or (at your option) any later version.

 *

 * The Gnome Library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with the Gnome Library; see the file COPYING.LIB.  If not,

 * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 *   Boston, MA 02111-1307, USA.

 */

#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)

#error "Only <glib.h> can be included directly."

#endif

#ifndef __G_ERROR_H__

#define __G_ERROR_H__

#include <stdarg.h>

#include <glib/gquark.h>

G_BEGIN_DECLS

/**

 * GError:

 * @domain: error domain, e.g. #G_FILE_ERROR

 * @code: error code, e.g. %G_FILE_ERROR_NOENT

 * @message: human-readable informative error message

 *

 * The <structname>GError</structname> structure contains

 * information about an error that has occurred.

 */

typedef struct _GError GError;

struct _GError

{

  GQuark       domain;

  gint         code;

  gchar       *message;

};

GError*  g_error_new           (GQuark         domain,

                                gint           code,

                                const gchar   *format,

                                ...) G_GNUC_PRINTF (3, 4);

GError*  g_error_new_literal   (GQuark         domain,

                                gint           code,

                                const gchar   *message);

GError*  g_error_new_valist    (GQuark         domain,

                                gint           code,

                                const gchar   *format,

                                va_list        args);

void     g_error_free          (GError        *error);

GError*  g_error_copy          (const GError  *error);

gboolean g_error_matches       (const GError  *error,

                                GQuark         domain,

                                gint           code);

/* if (err) *err = g_error_new(domain, code, format, ...), also has

 * some sanity checks.

 */

void     g_set_error           (GError       **err,

                                GQuark         domain,

                                gint           code,

                                const gchar   *format,

                                ...) G_GNUC_PRINTF (4, 5);

void     g_set_error_literal   (GError       **err,

                                GQuark         domain,

                                gint           code,

                                const gchar   *message);

/* if (dest) *dest = src; also has some sanity checks.

 */

void     g_propagate_error     (GError       **dest,

				GError        *src);

/* if (err && *err) { g_error_free(*err); *err = NULL; } */

void     g_clear_error         (GError       **err);

/* if (err) prefix the formatted string to the ->message */

void     g_prefix_error               (GError       **err,

                                       const gchar   *format,

                                       ...) G_GNUC_PRINTF (2, 3);

/* g_propagate_error then g_error_prefix on dest */

void     g_propagate_prefixed_error   (GError       **dest,

                                       GError        *src,

                                       const gchar   *format,

                                       ...) G_GNUC_PRINTF (3, 4);

G_END_DECLS

#endif /* __G_ERROR_H__ */