glib/glib/gerror.h
Matthias Clasen 7455dd370e Make single includes mandatory
This has been the official line since 2.17, which seems plenty
long enough for a transition phase.
2011-10-12 00:25:38 -04:00

108 lines
3.7 KiB
C

/* 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__ */