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/* vi:set et ai sw=2 sts=2 ts=2: */
/*-
* Copyright (c) 2009-2010 Jannis Pohlmann <jannis@xfce.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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 Library General Public License for more details.
*
* You should have received a copy of the GNU Library General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <garcon/garcon-config.h>
/**
* SECTION: garcon-config
* @title: Version Information
* @short_description: Information about the garcon version in use.
* @include: garcon/garcon.h
*
* The garcon library provides version information, which could be used
* by developers to handle new API.
**/
/**
* garcon_major_version:
*
* The major version number of the garcon library (e.g. in
* version 4.8.0 this is 4).
*
* This variable is in the library, so represents the
* garcon library you have linked against. Contrast with the
* #GARCON_MAJOR_VERSION macro, which represents the major
* version of the garcon headers you have included.
**/
const guint garcon_major_version = GARCON_MAJOR_VERSION;
/**
* garcon_minor_version:
*
* The minor version number of the garcon library (e.g. in
* version 4.8.0 this is 8).
*
* This variable is in the library, so represents the
* garcon library you have linked against. Contrast with the
* #GARCON_MINOR_VERSION macro, which represents the minor
* version of the garcon headers you have included.
**/
const guint garcon_minor_version = GARCON_MINOR_VERSION;
/**
* garcon_micro_version:
*
* The micro version number of the garcon library (e.g. in
* version 4.8.0 this is 0).
*
* This variable is in the library, so represents the
* garcon library you have linked against. Contrast with the
* #GARCON_MICRO_VERSION macro, which represents the micro
* version of the garcon headers you have included.
**/
const guint garcon_micro_version = GARCON_MICRO_VERSION;
/**
* garcon_check_version:
* @required_major : the required major version.
* @required_minor : the required minor version.
* @required_micro : the required micro version.
*
* Checks that the <systemitem class="library">garcon</systemitem>
* library in use is compatible with the given version. Generally you
* would pass in the constants #GARCON_MAJOR_VERSION,
* #GARCON_MINOR_VERSION and #GARCON_MICRO_VERSION as the three
* arguments to this function; that produces a check that the library
* in use is compatible with the version of
* <systemitem class="library">garcon</systemitem> the application was
* compiled against.
*
* <example>
* <title>Checking the runtime version of the garcon library</title>
* <programlisting>
* const gchar *mismatch;
* mismatch = garcon_check_version (GARCON_VERSION_MAJOR,
* GARCON_VERSION_MINOR,
* GARCON_VERSION_MICRO);
* if (G_UNLIKELY (mismatch != NULL))
* g_error ("Version mismatch: %<!---->s", mismatch);
* </programlisting>
* </example>
*
* Returns: %NULL if the library is compatible with the given version,
* or a string describing the version mismatch. The returned
* string is owned by the library and must not be freed or
* modified by the caller.
**/
const gchar*
garcon_check_version (guint required_major,
guint required_minor,
guint required_micro)
{
return NULL;
}
/**
* garcon_config_build_paths:
* @filename: name of .desktop file
*
* Returns: (transfer full):
*/
gchar **
garcon_config_build_paths (const gchar *filename)
{
const gchar * const *dirs;
gchar **paths;
guint n;
g_return_val_if_fail (filename != NULL && *filename != '\0', NULL);
dirs = g_get_system_config_dirs ();
paths = g_new0 (gchar *, 1 + g_strv_length ((gchar **)dirs) + 1);
paths[0] = g_build_filename (g_get_user_config_dir (), filename, NULL);
for (n = 1; dirs[n-1] != NULL; ++n)
paths[n] = g_build_filename (dirs[n-1], filename, NULL);
paths[n] = NULL;
return paths;
}
/**
* garcon_config_lookup:
* @filename : relative filename of the config resource.
*
* Looks for the filename in the users' config directory and then
* the system config directories.
*
* Returns: the absolute path to the first file in the search path,
* that matches @filename or %NULL if no such
* file or directory could be found.
**/
gchar *
garcon_config_lookup (const gchar *filename)
{
const gchar * const *dirs;
gchar *path;
guint i;
g_return_val_if_fail (filename != NULL && *filename != '\0', NULL);
/* Look for the file in the user's config directory */
path = g_build_filename (g_get_user_config_dir (), filename, NULL);
if (g_path_is_absolute (path) && g_file_test (path, G_FILE_TEST_IS_REGULAR))
return path;
g_free (path);
path = NULL;
/* Look for the file in the system config directories */
dirs = g_get_system_config_dirs ();
for (i = 0; path == NULL && dirs[i] != NULL; ++i)
{
/* Build the filename, if the file exists return the path */
path = g_build_filename (dirs[i], filename, NULL);
if (g_path_is_absolute (path) && g_file_test (path, G_FILE_TEST_IS_REGULAR))
return path;
g_free (path);
path = NULL;
}
/* Also try the install prefix of garcon in case XDG_CONFIG_DIRS is not
* properly set (startxfce4 for exaple should take care of that) */
path = g_build_filename (SYSCONFIGDIR, filename, NULL);
if (g_path_is_absolute (path) && g_file_test (path, G_FILE_TEST_IS_REGULAR))
return path;
g_free (path);
path = NULL;
/* Return the path or NULL if the file could not be found */
return path;
}
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