glib/gversion.h

   1 /* GLIB - Library of useful routines for C programming
   2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  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 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  28 #error "Only <glib.h> can be included directly."
  29 #endif
  30
  31 #ifndef __G_VERSION_H__
  32 #define __G_VERSION_H__
  33
  34 #include <glib/gtypes.h>
  35
  36 G_BEGIN_DECLS
  37
  38 GLIB_VAR const guint glib_major_version;
  39 GLIB_VAR const guint glib_minor_version;
  40 GLIB_VAR const guint glib_micro_version;
  41 GLIB_VAR const guint glib_interface_age;
  42 GLIB_VAR const guint glib_binary_age;
  43
  44 const gchar * glib_check_version (guint required_major,
  45                                   guint required_minor,
  46                                   guint required_micro);
  47
  48 /**
  49  * GLIB_CHECK_VERSION:
  50  * @major: the major version to check for
  51  * @minor: the minor version to check for
  52  * @micro: the micro version to check for
  53  *
  54  * Checks the version of the GLib library that is being compiled
  55  * against.
  56  *
  57  * <example>
  58  * <title>Checking the version of the GLib library</title>
  59  * <programlisting>
  60  *   if (!GLIB_CHECK_VERSION (1, 2, 0))
  61  *     g_error ("GLib version 1.2.0 or above is needed");
  62  * </programlisting>
  63  * </example>
  64  *
  65  * See glib_check_version() for a runtime check.
  66  *
  67  * Returns: %TRUE if the version of the GLib header files
  68  * is the same as or newer than the passed-in version.
  69  */
  70 #define GLIB_CHECK_VERSION(major,minor,micro)    \
  71     (GLIB_MAJOR_VERSION > (major) || \
  72      (GLIB_MAJOR_VERSION == (major) && GLIB_MINOR_VERSION > (minor)) || \
  73      (GLIB_MAJOR_VERSION == (major) && GLIB_MINOR_VERSION == (minor) && \
  74       GLIB_MICRO_VERSION >= (micro)))
  75
  76 G_END_DECLS
  77
  78 #endif /*  __G_VERSION_H__ */