/*
 * This file is part of gtkD.
 *
 * gtkD 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 3
 * of the License, or (at your option) any later version, with
 * some exceptions, please read the COPYING file.
 *
 * gtkD 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 gtkD; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
 */
 
// generated automatically - do not change
// find conversion definition on APILookup.txt
// implement new conversion functionalities on the wrap.utils pakage

/*
 * Conversion parameters:
 * inFile  = glib-Miscellaneous-Utility-Functions.html
 * outPack = glib
 * outFile = Util
 * strct   = 
 * realStrct=
 * ctorStrct=
 * clss    = Util
 * interf  = 
 * class Code: Yes
 * interface Code: No
 * template for:
 * extend  = 
 * implements:
 * prefixes:
 * 	- g_
 * omit structs:
 * omit prefixes:
 * omit code:
 * 	- g_build_filenamev
 * 	- g_build_pathv
 * omit signals:
 * imports:
 * 	- glib.ListG
 * 	- glib.Str
 * structWrap:
 * 	- GList* -> ListG
 * module aliases:
 * local aliases:
 * overrides:
 */

module glib.Util;

public  import gtkc.glibtypes;

private import gtkc.glib;
private import glib.ConstructionException;


private import glib.ListG;
private import glib.Str;




/**
 * These are portable utility functions.
 */
public class Util
{
	
	/**
	 * Creates a filename from a series of elements using the correct
	 * separator for filenames.
	 * On Unix, this function behaves identically to g_build_path
	 * (G_DIR_SEPARATOR_S, first_element, ....).
	 * On Windows, it takes into account that either the backslash
	 * (\ or slash (/) can be used
	 * as separator in filenames, but otherwise behaves as on Unix. When
	 * file pathname separators need to be inserted, the one that last
	 * previously occurred in the parameters (reading from left to right)
	 * is used.
	 * No attempt is made to force the resulting filename to be an absolute
	 * path. If the first element is a relative path, the result will
	 * be a relative path.
	 * Params:
	 * firstElement =  the first element in the path
	 * ... =  remaining elements in path, terminated by NULL
	 * Returns: a newly-allocated string that must be freed with g_free().
	 */
	public static string buildFilename(string[] firstElement ... )
	{
		// gchar* g_build_filename (const gchar *first_element,  ...);
		return Str.toString(g_build_filenamev(Str.toStringzArray(firstElement)));
	}
	
	/**
	 * Creates a path from a series of elements using separator as the
	 * separator between elements. At the boundary between two elements,
	 * any trailing occurrences of separator in the first element, or
	 * leading occurrences of separator in the second element are removed
	 * and exactly one copy of the separator is inserted.
	 * Empty elements are ignored.
	 * The number of leading copies of the separator on the result is
	 * the same as the number of leading copies of the separator on
	 * the first non-empty element.
	 * The number of trailing copies of the separator on the result is
	 * the same as the number of trailing copies of the separator on
	 * the last non-empty element. (Determination of the number of
	 * trailing copies is done without stripping leading copies, so
	 * if the separator is ABA, ABABA
	 * has 1 trailing copy.)
	 * However, if there is only a single non-empty element, and there
	 * are no characters in that element not part of the leading or
	 * trailing separators, then the result is exactly the original value
	 * of that element.
	 * Other than for determination of the number of leading and trailing
	 * copies of the separator, elements consisting only of copies
	 * of the separator are ignored.
	 * Params:
	 * separator =  a string used to separator the elements of the path.
	 * firstElement =  the first element in the path
	 * ... =  remaining elements in path, terminated by NULL
	 * Returns: a newly-allocated string that must be freed with g_free().
	 */
	public static string buildPath(string separator, string[] firstElement ... )
	{
		// gchar* g_build_path (const gchar *separator,  const gchar *first_element,  ...);
		return Str.toString(g_build_pathv(Str.toStringz(separator), Str.toStringzArray(firstElement)));
	}
	
	/**
	 */
	
	/**
	 * Gets a human-readable name for the application, as set by
	 * g_set_application_name(). This name should be localized if
	 * possible, and is intended for display to the user. Contrast with
	 * g_get_prgname(), which gets a non-localized name. If
	 * g_set_application_name() has not been called, returns the result of
	 * g_get_prgname() (which may be NULL if g_set_prgname() has also not
	 * been called).
	 * Since 2.2
	 * Returns: human-readable application name. may return NULL
	 */
	public static string getApplicationName()
	{
		// const gchar * g_get_application_name (void);
		return Str.toString(g_get_application_name());
	}
	
	/**
	 * Sets a human-readable name for the application. This name should be
	 * localized if possible, and is intended for display to the user.
	 * Contrast with g_set_prgname(), which sets a non-localized name.
	 * g_set_prgname() will be called automatically by gtk_init(),
	 * but g_set_application_name() will not.
	 * Note that for thread safety reasons, this function can only
	 * be called once.
	 * The application name will be used in contexts such as error messages,
	 * or when displaying an application's name in the task list.
	 * Since 2.2
	 * Params:
	 * applicationName = localized name of the application
	 */
	public static void setApplicationName(string applicationName)
	{
		// void g_set_application_name (const gchar *application_name);
		g_set_application_name(Str.toStringz(applicationName));
	}
	
	/**
	 * Gets the name of the program. This name should not
	 * be localized, contrast with g_get_application_name().
	 * (If you are using GDK or GTK+ the program name is set in gdk_init(),
	 * which is called by gtk_init(). The program name is found by taking
	 * the last component of argv[0].)
	 * Returns: the name of the program. The returned string belongs to GLib and must not be modified or freed.
	 */
	public static string getPrgname()
	{
		// const gchar * g_get_prgname (void);
		return Str.toString(g_get_prgname());
	}
	
	/**
	 * Sets the name of the program. This name should not
	 * be localized, contrast with g_set_application_name(). Note that for
	 * thread-safety reasons this function can only be called once.
	 * Params:
	 * prgname = the name of the program.
	 */
	public static void setPrgname(string prgname)
	{
		// void g_set_prgname (const gchar *prgname);
		g_set_prgname(Str.toStringz(prgname));
	}
	
	/**
	 * Gets the list of environment variables for the current process.
	 * The list is NULL terminated and each item in the list is of the
	 * form 'NAME=VALUE'.
	 * This is equivalent to direct access to the 'environ' global variable,
	 * except portable.
	 * The return value is freshly allocated and it should be freed with
	 * g_strfreev() when it is no longer needed.
	 * Since 2.28
	 * Returns: the list of environment variables. [array zero-terminated=1][transfer full]
	 */
	public static string[] getEnviron()
	{
		// gchar ** g_get_environ (void);
		return Str.toStringArray(g_get_environ());
	}
	
	/**
	 * Returns the value of the environment variable variable in the
	 * provided list envp.
	 * The name and value are in the GLib file name encoding.
	 * On UNIX, this means the actual bytes which might or might not
	 * be in some consistent character set and encoding. On Windows,
	 * it is in UTF-8. On Windows, in case the environment variable's
	 * value contains references to other environment variables, they
	 * are expanded.
	 * Since 2.32
	 * Params:
	 * envp = an environment
	 * list (eg, as returned from g_get_environ()), or NULL
	 * for an empty environment list. [allow-none][array zero-terminated=1][transfer none]
	 * variable = the environment variable to get, in the GLib file name
	 * encoding
	 * Returns: the value of the environment variable, or NULL if the environment variable is not set in envp. The returned string is owned by envp, and will be freed if variable is set or unset again.
	 */
	public static string environGetenv(string[] envp, string variable)
	{
		// const gchar * g_environ_getenv (gchar **envp,  const gchar *variable);
		return Str.toString(g_environ_getenv(Str.toStringzArray(envp), Str.toStringz(variable)));
	}
	
	/**
	 * Sets the environment variable variable in the provided list
	 * envp to value.
	 * Both the variable's name and value should be in the GLib
	 * file name encoding. On UNIX, this means that they can be
	 * arbitrary byte strings. On Windows, they should be in UTF-8.
	 * Since 2.32
	 * Params:
	 * envp = an environment
	 * list that can be freed using g_strfreev() (e.g., as returned from g_get_environ()), or NULL
	 * for an empty environment list. [allow-none][array zero-terminated=1][transfer full]
	 * variable = the environment variable to set, must not contain '='
	 * value = the value for to set the variable to
	 * overwrite = whether to change the variable if it already exists
	 * Returns: the updated environment list. Free it using g_strfreev(). [array zero-terminated=1][transfer full]
	 */
	public static string[] environSetenv(string[] envp, string variable, string value, int overwrite)
	{
		// gchar ** g_environ_setenv (gchar **envp,  const gchar *variable,  const gchar *value,  gboolean overwrite);
		return Str.toStringArray(g_environ_setenv(Str.toStringzArray(envp), Str.toStringz(variable), Str.toStringz(value), overwrite));
	}
	
	/**
	 * Removes the environment variable variable from the provided
	 * environment envp.
	 * Since 2.32
	 * Params:
	 * envp = an environment
	 * list that can be freed using g_strfreev() (e.g., as returned from g_get_environ()),
	 * or NULL for an empty environment list. [allow-none][array zero-terminated=1][transfer full]
	 * variable = the environment variable to remove, must not contain '='
	 * Returns: the updated environment list. Free it using g_strfreev(). [array zero-terminated=1][transfer full]
	 */
	public static string[] environUnsetenv(string[] envp, string variable)
	{
		// gchar ** g_environ_unsetenv (gchar **envp,  const gchar *variable);
		return Str.toStringArray(g_environ_unsetenv(Str.toStringzArray(envp), Str.toStringz(variable)));
	}
	
	/**
	 * Returns the value of an environment variable.
	 * The name and value are in the GLib file name encoding. On UNIX,
	 * this means the actual bytes which might or might not be in some
	 * consistent character set and encoding. On Windows, it is in UTF-8.
	 * On Windows, in case the environment variable's value contains
	 * references to other environment variables, they are expanded.
	 * Params:
	 * variable = the environment variable to get, in the GLib file name
	 * encoding
	 * Returns: the value of the environment variable, or NULL if the environment variable is not found. The returned string may be overwritten by the next call to g_getenv(), g_setenv() or g_unsetenv().
	 */
	public static string getenv(string variable)
	{
		// const gchar * g_getenv (const gchar *variable);
		return Str.toString(g_getenv(Str.toStringz(variable)));
	}
	
	/**
	 * Sets an environment variable. Both the variable's name and value
	 * should be in the GLib file name encoding. On UNIX, this means that
	 * they can be arbitrary byte strings. On Windows, they should be in
	 * UTF-8.
	 * Note that on some systems, when variables are overwritten, the memory
	 * used for the previous variables and its value isn't reclaimed.
	 * Warning
	 * Environment variable handling in UNIX is not thread-safe, and your
	 * program may crash if one thread calls g_setenv() while another
	 * thread is calling getenv(). (And note that many functions, such as
	 * gettext(), call getenv() internally.) This function is only safe to
	 * use at the very start of your program, before creating any other
	 * threads (or creating objects that create worker threads of their
	 * own).
	 * If you need to set up the environment for a child process, you can
	 * use g_get_environ() to get an environment array, modify that with
	 * g_environ_setenv() and g_environ_unsetenv(), and then pass that
	 * array directly to execvpe(), g_spawn_async(), or the like.
	 * Since 2.4
	 * Params:
	 * variable = the environment variable to set, must not contain '='.
	 * value = the value for to set the variable to.
	 * overwrite = whether to change the variable if it already exists.
	 * Returns: FALSE if the environment variable couldn't be set.
	 */
	public static int setenv(string variable, string value, int overwrite)
	{
		// gboolean g_setenv (const gchar *variable,  const gchar *value,  gboolean overwrite);
		return g_setenv(Str.toStringz(variable), Str.toStringz(value), overwrite);
	}
	
	/**
	 * Removes an environment variable from the environment.
	 * Note that on some systems, when variables are overwritten, the
	 * memory used for the previous variables and its value isn't reclaimed.
	 * Warning
	 * Environment variable handling in UNIX is not thread-safe, and your
	 * program may crash if one thread calls g_unsetenv() while another
	 * thread is calling getenv(). (And note that many functions, such as
	 * gettext(), call getenv() internally.) This function is only safe
	 * to use at the very start of your program, before creating any other
	 * threads (or creating objects that create worker threads of their
	 * own).
	 * If you need to set up the environment for a child process, you can
	 * use g_get_environ() to get an environment array, modify that with
	 * g_environ_setenv() and g_environ_unsetenv(), and then pass that
	 * array directly to execvpe(), g_spawn_async(), or the like.
	 * Since 2.4
	 * Params:
	 * variable = the environment variable to remove, must not contain '='
	 */
	public static void unsetenv(string variable)
	{
		// void g_unsetenv (const gchar *variable);
		g_unsetenv(Str.toStringz(variable));
	}
	
	/**
	 * Gets the names of all variables set in the environment.
	 * Programs that want to be portable to Windows should typically use
	 * this function and g_getenv() instead of using the environ array
	 * from the C library directly. On Windows, the strings in the environ
	 * array are in system codepage encoding, while in most of the typical
	 * use cases for environment variables in GLib-using programs you want
	 * the UTF-8 encoding that this function and g_getenv() provide.
	 * Since 2.8
	 * Returns: a NULL-terminated list of strings which must be freed with g_strfreev(). [array zero-terminated=1][transfer full]
	 */
	public static string[] listenv()
	{
		// gchar ** g_listenv (void);
		return Str.toStringArray(g_listenv());
	}
	
	/**
	 * Gets the user name of the current user. The encoding of the returned
	 * string is system-defined. On UNIX, it might be the preferred file name
	 * encoding, or something else, and there is no guarantee that it is even
	 * consistent on a machine. On Windows, it is always UTF-8.
	 * Returns: the user name of the current user.
	 */
	public static string getUserName()
	{
		// const gchar * g_get_user_name (void);
		return Str.toString(g_get_user_name());
	}
	
	/**
	 * Gets the real name of the user. This usually comes from the user's entry
	 * in the passwd file. The encoding of the returned
	 * string is system-defined. (On Windows, it is, however, always UTF-8.)
	 * If the real user name cannot be determined, the string "Unknown" is
	 * returned.
	 * Returns: the user's real name.
	 */
	public static string getRealName()
	{
		// const gchar * g_get_real_name (void);
		return Str.toString(g_get_real_name());
	}
	
	/**
	 * Returns a base directory in which to store non-essential, cached
	 * data specific to particular user.
	 * On UNIX platforms this is determined using the mechanisms described in
	 * the
	 * XDG Base Directory Specification.
	 * In this case the directory retrieved will be XDG_CACHE_HOME.
	 * On Windows is the directory that serves as a common repository for
	 * temporary Internet files. A typical path is
	 * C:\Documents and Settings\username\Local Settings\Temporary Internet Files.
	 * See documentation for CSIDL_INTERNET_CACHE.
	 * Since 2.6
	 * Returns: a string owned by GLib that must not be modified or freed.
	 */
	public static string getUserCacheDir()
	{
		// const gchar * g_get_user_cache_dir (void);
		return Str.toString(g_get_user_cache_dir());
	}
	
	/**
	 * Returns a base directory in which to access application data such
	 * as icons that is customized for a particular user.
	 * On UNIX platforms this is determined using the mechanisms described in
	 * the
	 * XDG Base Directory Specification.
	 * In this case the directory retrieved will be XDG_DATA_HOME.
	 * On Windows this is the folder to use for local (as opposed to
	 * roaming) application data. See documentation for
	 * CSIDL_LOCAL_APPDATA. Note that on Windows it thus is the same as
	 * what g_get_user_config_dir() returns.
	 * Since 2.6
	 * Returns: a string owned by GLib that must not be modified or freed.
	 */
	public static string getUserDataDir()
	{
		// const gchar * g_get_user_data_dir (void);
		return Str.toString(g_get_user_data_dir());
	}
	
	/**
	 * Returns a base directory in which to store user-specific application
	 * configuration information such as user preferences and settings.
	 * On UNIX platforms this is determined using the mechanisms described in
	 * the
	 * XDG Base Directory Specification.
	 * In this case the directory retrieved will be XDG_CONFIG_HOME.
	 * On Windows this is the folder to use for local (as opposed to
	 * roaming) application data. See documentation for
	 * CSIDL_LOCAL_APPDATA. Note that on Windows it thus is the same as
	 * what g_get_user_data_dir() returns.
	 * Since 2.6
	 * Returns: a string owned by GLib that must not be modified or freed.
	 */
	public static string getUserConfigDir()
	{
		// const gchar * g_get_user_config_dir (void);
		return Str.toString(g_get_user_config_dir());
	}
	
	/**
	 * Returns a directory that is unique to the current user on the local
	 * system.
	 * On UNIX platforms this is determined using the mechanisms described in
	 * the
	 * XDG Base Directory Specification. This is the directory
	 * specified in the XDG_RUNTIME_DIR environment variable.
	 * In the case that this variable is not set, GLib will issue a warning
	 * message to stderr and return the value of g_get_user_cache_dir().
	 * On Windows this is the folder to use for local (as opposed to
	 * roaming) application data. See documentation for
	 * CSIDL_LOCAL_APPDATA. Note that on Windows it thus is the same as
	 * what g_get_user_config_dir() returns.
	 * Since 2.28
	 * Returns: a string owned by GLib that must not be modified or freed.
	 */
	public static string getUserRuntimeDir()
	{
		// const gchar * g_get_user_runtime_dir (void);
		return Str.toString(g_get_user_runtime_dir());
	}
	
	/**
	 * Returns the full path of a special directory using its logical id.
	 * On Unix this is done using the XDG special user directories.
	 * For compatibility with existing practise, G_USER_DIRECTORY_DESKTOP
	 * falls back to $HOME/Desktop when XDG special
	 * user directories have not been set up.
	 * Depending on the platform, the user might be able to change the path
	 * of the special directory without requiring the session to restart; GLib
	 * will not reflect any change once the special directories are loaded.
	 * Since 2.14
	 * Params:
	 * directory = the logical id of special directory
	 * Returns: the path to the specified special directory, or NULL if the logical id was not found. The returned string is owned by GLib and should not be modified or freed.
	 */
	public static string getUserSpecialDir(GUserDirectory directory)
	{
		// const gchar * g_get_user_special_dir (GUserDirectory directory);
		return Str.toString(g_get_user_special_dir(directory));
	}
	
	/**
	 * Returns an ordered list of base directories in which to access
	 * system-wide application data.
	 * On UNIX platforms this is determined using the mechanisms described in
	 * the
	 * XDG Base Directory Specification
	 * In this case the list of directories retrieved will be XDG_DATA_DIRS.
	 * On Windows the first elements in the list are the Application Data
	 * and Documents folders for All Users. (These can be determined only
	 * on Windows 2000 or later and are not present in the list on other
	 * Windows versions.) See documentation for CSIDL_COMMON_APPDATA and
	 * CSIDL_COMMON_DOCUMENTS.
	 * Then follows the "share" subfolder in the installation folder for
	 * the package containing the DLL that calls this function, if it can
	 * be determined.
	 * Finally the list contains the "share" subfolder in the installation
	 * folder for GLib, and in the installation folder for the package the
	 * application's .exe file belongs to.
	 * The installation folders above are determined by looking up the
	 * folder where the module (DLL or EXE) in question is located. If the
	 * folder's name is "bin", its parent is used, otherwise the folder
	 * itself.
	 * Note that on Windows the returned list can vary depending on where
	 * this function is called.
	 * Since 2.6
	 * Returns: a NULL-terminated array of strings owned by GLib that must not be modified or freed. [array zero-terminated=1][transfer none]
	 */
	public static string[] getSystemDataDirs()
	{
		// const gchar * const * g_get_system_data_dirs (void);
		return Str.toStringArray(g_get_system_data_dirs());
	}
	
	/**
	 * Returns an ordered list of base directories in which to access
	 * system-wide configuration information.
	 * On UNIX platforms this is determined using the mechanisms described in
	 * the
	 * XDG Base Directory Specification.
	 * In this case the list of directories retrieved will be XDG_CONFIG_DIRS.
	 * On Windows is the directory that contains application data for all users.
	 * A typical path is C:\Documents and Settings\All Users\Application Data.
	 * This folder is used for application data that is not user specific.
	 * For example, an application can store a spell-check dictionary, a database
	 * of clip art, or a log file in the CSIDL_COMMON_APPDATA folder.
	 * This information will not roam and is available to anyone using the computer.
	 * Since 2.6
	 * Returns: a NULL-terminated array of strings owned by GLib that must not be modified or freed. [array zero-terminated=1][transfer none]
	 */
	public static string[] getSystemConfigDirs()
	{
		// const gchar * const * g_get_system_config_dirs (void);
		return Str.toStringArray(g_get_system_config_dirs());
	}
	
	/**
	 * Resets the cache used for g_get_user_special_dir(), so
	 * that the latest on-disk version is used. Call this only
	 * if you just changed the data on disk yourself.
	 * Due to threadsafety issues this may cause leaking of strings
	 * that were previously returned from g_get_user_special_dir()
	 * that can't be freed. We ensure to only leak the data for
	 * the directories that actually changed value though.
	 * Since 2.22
	 */
	public static void reloadUserSpecialDirsCache()
	{
		// void g_reload_user_special_dirs_cache (void);
		g_reload_user_special_dirs_cache();
	}
	
	/**
	 * Return a name for the machine.
	 * The returned name is not necessarily a fully-qualified domain name,
	 * or even present in DNS or some other name service at all. It need
	 * not even be unique on your local network or site, but usually it
	 * is. Callers should not rely on the return value having any specific
	 * properties like uniqueness for security purposes. Even if the name
	 * of the machine is changed while an application is running, the
	 * return value from this function does not change. The returned
	 * string is owned by GLib and should not be modified or freed. If no
	 * name can be determined, a default fixed string "localhost" is
	 * returned.
	 * Since 2.8
	 * Returns: the host name of the machine.
	 */
	public static string getHostName()
	{
		// const gchar * g_get_host_name (void);
		return Str.toString(g_get_host_name());
	}
	
	/**
	 * Gets the current user's home directory.
	 * As with most UNIX tools, this function will return the value of the
	 * HOME environment variable if it is set to an existing
	 * absolute path name, falling back to the passwd
	 * file in the case that it is unset.
	 * If the path given in HOME is non-absolute, does not
	 * exist, or is not a directory, the result is undefined.
	 * Note
	 *  Before version 2.36 this function would ignore the
	 *  HOME environment variable, taking the value from the
	 *  passwd database instead. This was changed to
	 *  increase the compatibility of GLib with other programs (and the XDG
	 *  basedir specification) and to increase testability of programs
	 *  based on GLib (by making it easier to run them from test
	 *  frameworks).
	 *  If your program has a strong requirement for either the new or the
	 *  old behaviour (and if you don't wish to increase your GLib
	 *  dependency to ensure that the new behaviour is in effect) then you
	 *  should either directly check the HOME environment
	 *  variable yourself or unset it before calling any functions in GLib.
	 * Returns: the current user's home directory
	 */
	public static string getHomeDir()
	{
		// const gchar * g_get_home_dir (void);
		return Str.toString(g_get_home_dir());
	}
	
	/**
	 * Gets the directory to use for temporary files.
	 * On UNIX, this is taken from the TMPDIR environment
	 * variable. If the variable is not set, P_tmpdir is
	 * used, as defined by the system C library. Failing that, a hard-coded
	 * default of "/tmp" is returned.
	 * On Windows, the TEMP environment variable is used,
	 * with the root directory of the Windows installation (eg: "C:\") used
	 * as a default.
	 * The encoding of the returned string is system-defined. On Windows, it
	 * is always UTF-8. The return value is never NULL or the empty string.
	 * Returns: the directory to use for temporary files.
	 */
	public static string getTmpDir()
	{
		// const gchar * g_get_tmp_dir (void);
		return Str.toString(g_get_tmp_dir());
	}
	
	/**
	 * Gets the current directory.
	 * The returned string should be freed when no longer needed.
	 * The encoding of the returned string is system defined.
	 * On Windows, it is always UTF-8.
	 * Returns: the current directory
	 */
	public static string getCurrentDir()
	{
		// gchar * g_get_current_dir (void);
		return Str.toString(g_get_current_dir());
	}
	
	/**
	 * Warning
	 * g_basename has been deprecated since version 2.2 and should not be used in newly-written code. Use g_path_get_basename() instead, but notice
	 *  that g_path_get_basename() allocates new memory for the
	 *  returned string, unlike this function which returns a pointer
	 *  into the argument.
	 * Gets the name of the file without any leading directory
	 * components. It returns a pointer into the given file name
	 * string.
	 * Params:
	 * fileName = the name of the file
	 * Returns: the name of the file without any leading directory components
	 */
	public static string basename(string fileName)
	{
		// const gchar * g_basename (const gchar *file_name);
		return Str.toString(g_basename(Str.toStringz(fileName)));
	}
	
	/**
	 * Returns TRUE if the given file_name is an absolute file name.
	 * Note that this is a somewhat vague concept on Windows.
	 * On POSIX systems, an absolute file name is well-defined. It always
	 * starts from the single root directory. For example "/usr/local".
	 * On Windows, the concepts of current drive and drive-specific
	 * current directory introduce vagueness. This function interprets as
	 * an absolute file name one that either begins with a directory
	 * separator such as "\Users\tml" or begins with the root on a drive,
	 * for example "C:\Windows". The first case also includes UNC paths
	 * such as "\\myserver\docs\foo". In all cases, either slashes or
	 * backslashes are accepted.
	 * Note that a file name relative to the current drive root does not
	 * truly specify a file uniquely over time and across processes, as
	 * the current drive is a per-process value and can be changed.
	 * File names relative the current directory on some specific drive,
	 * such as "D:foo/bar", are not interpreted as absolute by this
	 * function, but they obviously are not relative to the normal current
	 * directory as returned by getcwd() or g_get_current_dir()
	 * either. Such paths should be avoided, or need to be handled using
	 * Windows-specific code.
	 * Params:
	 * fileName = a file name
	 * Returns: TRUE if file_name is absolute
	 */
	public static int pathIsAbsolute(string fileName)
	{
		// gboolean g_path_is_absolute (const gchar *file_name);
		return g_path_is_absolute(Str.toStringz(fileName));
	}
	
	/**
	 * Returns a pointer into file_name after the root component,
	 * i.e. after the "/" in UNIX or "C:\" under Windows. If file_name
	 * is not an absolute path it returns NULL.
	 * Params:
	 * fileName = a file name
	 * Returns: a pointer into file_name after the root component
	 */
	public static string pathSkipRoot(string fileName)
	{
		// const gchar * g_path_skip_root (const gchar *file_name);
		return Str.toString(g_path_skip_root(Str.toStringz(fileName)));
	}
	
	/**
	 * Gets the last component of the filename.
	 * If file_name ends with a directory separator it gets the component
	 * before the last slash. If file_name consists only of directory
	 * separators (and on Windows, possibly a drive letter), a single
	 * separator is returned. If file_name is empty, it gets ".".
	 * Params:
	 * fileName = the name of the file
	 * Returns: a newly allocated string containing the last component of the filename
	 */
	public static string pathGetBasename(string fileName)
	{
		// gchar * g_path_get_basename (const gchar *file_name);
		return Str.toString(g_path_get_basename(Str.toStringz(fileName)));
	}
	
	/**
	 * Gets the directory components of a file name.
	 * If the file name has no directory components "." is returned.
	 * The returned string should be freed when no longer needed.
	 * Params:
	 * fileName = the name of the file
	 * Returns: the directory components of the file
	 */
	public static string pathGetDirname(string fileName)
	{
		// gchar * g_path_get_dirname (const gchar *file_name);
		return Str.toString(g_path_get_dirname(Str.toStringz(fileName)));
	}
	
	/**
	 * Formats a size (for example the size of a file) into a human readable
	 * string. Sizes are rounded to the nearest size prefix (kB, MB, GB)
	 * and are displayed rounded to the nearest tenth. E.g. the file size
	 * 3292528 bytes will be converted into the string "3.2 MB".
	 * The prefix units base is 1000 (i.e. 1 kB is 1000 bytes).
	 * This string should be freed with g_free() when not needed any longer.
	 * See g_format_size_full() for more options about how the size might be
	 * formatted.
	 * Since 2.30
	 * Params:
	 * size = a size in bytes
	 * Returns: a newly-allocated formatted string containing a human readable file size
	 */
	public static string formatSize(ulong size)
	{
		// gchar * g_format_size (guint64 size);
		return Str.toString(g_format_size(size));
	}
	
	/**
	 * Formats a size.
	 * This function is similar to g_format_size() but allows for flags
	 * that modify the output. See GFormatSizeFlags.
	 * Since 2.30
	 * Params:
	 * size = a size in bytes
	 * flags = GFormatSizeFlags to modify the output
	 * Returns: a newly-allocated formatted string containing a human readable file size
	 */
	public static string formatSizeFull(ulong size, GFormatSizeFlags flags)
	{
		// gchar * g_format_size_full (guint64 size,  GFormatSizeFlags flags);
		return Str.toString(g_format_size_full(size, flags));
	}
	
	/**
	 * Warning
	 * g_format_size_for_display has been deprecated since version 2.30 and should not be used in newly-written code. This function is broken due to its use of SI
	 *  suffixes to denote IEC units. Use g_format_size() instead.
	 * Formats a size (for example the size of a file) into a human
	 * readable string. Sizes are rounded to the nearest size prefix
	 * (KB, MB, GB) and are displayed rounded to the nearest tenth.
	 * E.g. the file size 3292528 bytes will be converted into the
	 * string "3.1 MB".
	 * The prefix units base is 1024 (i.e. 1 KB is 1024 bytes).
	 * This string should be freed with g_free() when not needed any longer.
	 * Since 2.16
	 * Params:
	 * size = a size in bytes
	 * Returns: a newly-allocated formatted string containing a human readable file size
	 */
	public static string formatSizeForDisplay(long size)
	{
		// gchar * g_format_size_for_display (goffset size);
		return Str.toString(g_format_size_for_display(size));
	}
	
	/**
	 * Locates the first executable named program in the user's path, in the
	 * same way that execvp() would locate it. Returns an allocated string
	 * with the absolute path name, or NULL if the program is not found in
	 * the path. If program is already an absolute path, returns a copy of
	 * program if program exists and is executable, and NULL otherwise.
	 * On Windows, if program does not have a file type suffix, tries
	 * with the suffixes .exe, .cmd, .bat and .com, and the suffixes in
	 * the PATHEXT environment variable.
	 * On Windows, it looks for the file in the same way as CreateProcess()
	 * would. This means first in the directory where the executing
	 * program was loaded from, then in the current directory, then in the
	 * Windows 32-bit system directory, then in the Windows directory, and
	 * finally in the directories in the PATH environment
	 * variable. If the program is found, the return value contains the
	 * full name including the type suffix.
	 * Params:
	 * program = a program name in the GLib file name encoding
	 * Returns: a newly-allocated string with the absolute path, or NULL
	 */
	public static string findProgramInPath(string program)
	{
		// gchar * g_find_program_in_path (const gchar *program);
		return Str.toString(g_find_program_in_path(Str.toStringz(program)));
	}
	
	/**
	 * Find the position of the first bit set in mask, searching
	 * from (but not including) nth_bit upwards. Bits are numbered
	 * from 0 (least significant) to sizeof(gulong) * 8 - 1 (31 or 63,
	 * usually). To start searching from the 0th bit, set nth_bit to -1.
	 * Params:
	 * mask = a gulong containing flags
	 * nthBit = the index of the bit to start the search from
	 * Returns: the index of the first bit set which is higher than nth_bit
	 */
	public static int bitNthLsf(gulong mask, int nthBit)
	{
		// gint g_bit_nth_lsf (gulong mask,  gint nth_bit);
		return g_bit_nth_lsf(mask, nthBit);
	}
	
	/**
	 * Find the position of the first bit set in mask, searching
	 * from (but not including) nth_bit downwards. Bits are numbered
	 * from 0 (least significant) to sizeof(gulong) * 8 - 1 (31 or 63,
	 * usually). To start searching from the last bit, set nth_bit to
	 * -1 or GLIB_SIZEOF_LONG * 8.
	 * Params:
	 * mask = a gulong containing flags
	 * nthBit = the index of the bit to start the search from
	 * Returns: the index of the first bit set which is lower than nth_bit
	 */
	public static int bitNthMsf(gulong mask, int nthBit)
	{
		// gint g_bit_nth_msf (gulong mask,  gint nth_bit);
		return g_bit_nth_msf(mask, nthBit);
	}
	
	/**
	 * Gets the number of bits used to hold number,
	 * e.g. if number is 4, 3 bits are needed.
	 * Params:
	 * number = a guint
	 * Returns: the number of bits used to hold number
	 */
	public static uint bitStorage(gulong number)
	{
		// guint g_bit_storage (gulong number);
		return g_bit_storage(number);
	}
	
	/**
	 * Gets the smallest prime number from a built-in array of primes which
	 * is larger than num. This is used within GLib to calculate the optimum
	 * size of a GHashTable.
	 * The built-in array of primes ranges from 11 to 13845163 such that
	 * each prime is approximately 1.5-2 times the previous prime.
	 * Params:
	 * num = a guint
	 * Returns: the smallest prime number from a built-in array of primes which is larger than num
	 */
	public static uint spacedPrimesClosest(uint num)
	{
		// guint g_spaced_primes_closest (guint num);
		return g_spaced_primes_closest(num);
	}
	
	/**
	 * Warning
	 * g_atexit has been deprecated since version 2.32 and should not be used in newly-written code. It is best to avoid g_atexit().
	 * Specifies a function to be called at normal program termination.
	 * Since GLib 2.8.2, on Windows g_atexit() actually is a preprocessor
	 * macro that maps to a call to the atexit() function in the C
	 * library. This means that in case the code that calls g_atexit(),
	 * i.e. atexit(), is in a DLL, the function will be called when the
	 * DLL is detached from the program. This typically makes more sense
	 * than that the function is called when the GLib DLL is detached,
	 * which happened earlier when g_atexit() was a function in the GLib
	 * DLL.
	 * The behaviour of atexit() in the context of dynamically loaded
	 * modules is not formally specified and varies wildly.
	 * On POSIX systems, calling g_atexit() (or atexit()) in a dynamically
	 * loaded module which is unloaded before the program terminates might
	 * well cause a crash at program exit.
	 * Some POSIX systems implement atexit() like Windows, and have each
	 * dynamically loaded module maintain an own atexit chain that is
	 * called when the module is unloaded.
	 * On other POSIX systems, before a dynamically loaded module is
	 * unloaded, the registered atexit functions (if any) residing in that
	 * module are called, regardless where the code that registered them
	 * resided. This is presumably the most robust approach.
	 * As can be seen from the above, for portability it's best to avoid
	 * calling g_atexit() (or atexit()) except in the main executable of a
	 * program.
	 * Params:
	 * func = the function to call on normal program termination. [scope async]
	 */
	public static void atexit(GVoidFunc func)
	{
		// void g_atexit (GVoidFunc func);
		g_atexit(func);
	}
	
	/**
	 * Parses a string containing debugging options
	 * into a guint containing bit flags. This is used
	 * within GDK and GTK+ to parse the debug options passed on the
	 * command line or through environment variables.
	 * If string is equal to "all", all flags are set. Any flags
	 * specified along with "all" in string are inverted; thus,
	 * "all,foo,bar" or "foo,bar,all" sets all flags
	 * except those corresponding to "foo" and "bar".
	 * If string is equal to "help", all the available keys in keys
	 * are printed out to standard error.
	 * Params:
	 * string = a list of debug options separated by colons, spaces, or
	 * commas, or NULL. [allow-none]
	 * keys = pointer to an array of GDebugKey which associate
	 * strings with bit flags. [array length=nkeys]
	 * Returns: the combined set of bit flags.
	 */
	public static uint parseDebugString(string string, GDebugKey[] keys)
	{
		// guint g_parse_debug_string (const gchar *string,  const GDebugKey *keys,  guint nkeys);
		return g_parse_debug_string(Str.toStringz(string), keys.ptr, cast(int) keys.length);
	}
	
	/**
	 * This is just like the standard C qsort() function, but
	 * the comparison routine accepts a user data argument.
	 * This is guaranteed to be a stable sort since version 2.32.
	 * Params:
	 * pbase = start of array to sort
	 * size = size of each element
	 * compareFunc = function to compare elements
	 * userData = data to pass to compare_func
	 */
	public static void qsortWithData(void[] pbase, gsize size, GCompareDataFunc compareFunc, void* userData)
	{
		// void g_qsort_with_data (gconstpointer pbase,  gint total_elems,  gsize size,  GCompareDataFunc compare_func,  gpointer user_data);
		g_qsort_with_data(pbase.ptr, cast(int) pbase.length, size, compareFunc, userData);
	}
	
	/**
	 * Set the pointer at the specified location to NULL.
	 * Params:
	 * nullifyLocation = the memory address of the pointer.
	 */
	public static void nullifyPointer(void** nullifyLocation)
	{
		// void g_nullify_pointer (gpointer *nullify_location);
		g_nullify_pointer(nullifyLocation);
	}
}