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/* gerror.h - Error reporting system
*
* Copyright 2000 Red Hat, Inc.
*
* This 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 2.1 of the License, or (at your option) any later version.
*
* This 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 this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __G_ERROR_H__
#define __G_ERROR_H__
#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only <glib.h> can be included directly."
#endif
#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 `GError` structure contains information about
* an error that has occurred.
*/
typedef struct _GError GError;
struct _GError
{
GQuark domain;
gint code;
gchar *message;
};
GLIB_AVAILABLE_IN_ALL
GError* g_error_new (GQuark domain,
gint code,
const gchar *format,
...) G_GNUC_PRINTF (3, 4);
GLIB_AVAILABLE_IN_ALL
GError* g_error_new_literal (GQuark domain,
gint code,
const gchar *message);
GLIB_AVAILABLE_IN_ALL
GError* g_error_new_valist (GQuark domain,
gint code,
const gchar *format,
va_list args) G_GNUC_PRINTF(3, 0);
GLIB_AVAILABLE_IN_ALL
void g_error_free (GError *error);
GLIB_AVAILABLE_IN_ALL
GError* g_error_copy (const GError *error);
GLIB_AVAILABLE_IN_ALL
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.
*/
GLIB_AVAILABLE_IN_ALL
void g_set_error (GError **err,
GQuark domain,
gint code,
const gchar *format,
...) G_GNUC_PRINTF (4, 5);
GLIB_AVAILABLE_IN_ALL
void g_set_error_literal (GError **err,
GQuark domain,
gint code,
const gchar *message);
/* if (dest) *dest = src; also has some sanity checks.
*/
GLIB_AVAILABLE_IN_ALL
void g_propagate_error (GError **dest,
GError *src);
/* if (err && *err) { g_error_free(*err); *err = NULL; } */
GLIB_AVAILABLE_IN_ALL
void g_clear_error (GError **err);
/* if (err) prefix the formatted string to the ->message */
GLIB_AVAILABLE_IN_ALL
void g_prefix_error (GError **err,
const gchar *format,
...) G_GNUC_PRINTF (2, 3);
/* g_propagate_error then g_error_prefix on dest */
GLIB_AVAILABLE_IN_ALL
void g_propagate_prefixed_error (GError **dest,
GError *src,
const gchar *format,
...) G_GNUC_PRINTF (3, 4);
G_END_DECLS
#endif /* __G_ERROR_H__ */
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