gerror.h

   1 /* gerror.h - Error reporting system
   2  *
   3  *  Copyright 2000 Red Hat, Inc.
   4  *
   5  * The Gnome Library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public License as
   7  * published by the Free Software Foundation; either version 2 of the
   8  * License, or (at your option) any later version.
   9  *
  10  * The Gnome Library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with the Gnome Library; see the file COPYING.LIB.  If not,
  17  * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  *   Boston, MA 02111-1307, USA.
  19  */
  20
  21 #ifndef __G_ERROR_H__
  22 #define __G_ERROR_H__
  23
  24 #include <gquark.h>
  25
  26 G_BEGIN_DECLS
  27
  28 typedef struct _GError GError;
  29
  30 struct _GError
  31 {
  32   GQuark       domain;
  33   gint         code;
  34   gchar       *message;
  35 };
  36
  37 GError*  g_error_new           (GQuark         domain,
  38                                 gint           code,
  39                                 const gchar   *format,
  40                                 ...) G_GNUC_PRINTF (3, 4);
  41
  42 GError*  g_error_new_literal   (GQuark         domain,
  43                                 gint           code,
  44                                 const gchar   *message);
  45
  46 void     g_error_free          (GError        *error);
  47 GError*  g_error_copy          (const GError  *error);
  48
  49 gboolean g_error_matches       (const GError  *error,
  50                                 GQuark         domain,
  51                                 gint           code);
  52
  53 /* if (err) *err = g_error_new(domain, code, format, ...), also has
  54  * some sanity checks.
  55  */
  56 void     g_set_error           (GError       **err,
  57                                 GQuark         domain,
  58                                 gint           code,
  59                                 const gchar   *format,
  60                                 ...) G_GNUC_PRINTF (4, 5);
  61
  62 /* if (dest) *dest = src; also has some sanity checks.
  63  */
  64 void     g_propagate_error     (GError       **dest,
  65                                 GError        *src);
  66
  67 /* if (err && *err) { g_error_free(*err); *err = NULL; } */
  68 void     g_clear_error         (GError       **err);
  69
  70
  71 G_END_DECLS
  72
  73 #endif /* __G_ERROR_H__ */
  74