1  /* GLIB - Library of useful routines for C programming
       2   * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
       3   *
       4   * SPDX-License-Identifier: LGPL-2.1-or-later
       5   *
       6   * This library is free software; you can redistribute it and/or
       7   * modify it under the terms of the GNU Lesser General Public
       8   * License as published by the Free Software Foundation; either
       9   * version 2.1 of the License, or (at your option) any later version.
      10   *
      11   * This library is distributed in the hope that it will be useful,
      12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
      14   * Lesser General Public License for more details.
      15   *
      16   * You should have received a copy of the GNU Lesser General Public
      17   * License along with this library; if not, see <http://www.gnu.org/licenses/>.
      18   */
      19  
      20  /*
      21   * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
      22   * file for a list of people on the GLib Team.  See the ChangeLog
      23   * files for a list of changes.  These files are distributed with
      24   * GLib at ftp://ftp.gtk.org/pub/gtk/.
      25   */
      26  
      27  #ifndef __G_QUARK_H__
      28  #define __G_QUARK_H__
      29  
      30  #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
      31  #error "Only <glib.h> can be included directly."
      32  #endif
      33  
      34  #include <glib/gtypes.h>
      35  
      36  G_BEGIN_DECLS
      37  
      38  typedef guint32 GQuark;
      39  
      40  /* Quarks (string<->id association)
      41   */
      42  GLIB_AVAILABLE_IN_ALL
      43  GQuark                g_quark_try_string         (const gchar *string);
      44  GLIB_AVAILABLE_IN_ALL
      45  GQuark                g_quark_from_static_string (const gchar *string);
      46  GLIB_AVAILABLE_IN_ALL
      47  GQuark                g_quark_from_string        (const gchar *string);
      48  GLIB_AVAILABLE_IN_ALL
      49  const gchar *         g_quark_to_string          (GQuark       quark) G_GNUC_CONST;
      50  
      51  #define G_DEFINE_QUARK(QN, q_n)                                         \
      52  GQuark                                                                  \
      53  q_n##_quark (void)                                                      \
      54  {                                                                       \
      55    static GQuark q;                                                      \
      56                                                                          \
      57    if G_UNLIKELY (q == 0)                                                \
      58      q = g_quark_from_static_string (#QN);                               \
      59                                                                          \
      60    return q;                                                             \
      61  }
      62  
      63  GLIB_AVAILABLE_IN_ALL
      64  const gchar *         g_intern_string            (const gchar *string);
      65  GLIB_AVAILABLE_IN_ALL
      66  const gchar *         g_intern_static_string     (const gchar *string);
      67  
      68  G_END_DECLS
      69  
      70  #endif /* __G_QUARK_H__ */