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/* GLIB - Library of useful routines for C programming
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library 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 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GLib Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GLib Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GLib at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __G_UTILS_H__
#define __G_UTILS_H__
#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only <glib.h> can be included directly."
#endif
#include <glib/gtypes.h>
#include <stdarg.h>
G_BEGIN_DECLS
/* Define G_VA_COPY() to do the right thing for copying va_list variables.
* glibconfig.h may have already defined G_VA_COPY as va_copy or __va_copy.
*/
#if !defined (G_VA_COPY)
# if defined (__GNUC__) && defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32))
# define G_VA_COPY(ap1, ap2) (*(ap1) = *(ap2))
# elif defined (G_VA_COPY_AS_ARRAY)
# define G_VA_COPY(ap1, ap2) memmove ((ap1), (ap2), sizeof (va_list))
# else /* va_list is a pointer */
# define G_VA_COPY(ap1, ap2) ((ap1) = (ap2))
# endif /* va_list is a pointer */
#endif /* !G_VA_COPY */
GLIB_AVAILABLE_IN_ALL
const gchar * g_get_user_name (void);
GLIB_AVAILABLE_IN_ALL
const gchar * g_get_real_name (void);
GLIB_AVAILABLE_IN_ALL
const gchar * g_get_home_dir (void);
GLIB_AVAILABLE_IN_ALL
const gchar * g_get_tmp_dir (void);
GLIB_AVAILABLE_IN_ALL
const gchar * g_get_host_name (void);
GLIB_AVAILABLE_IN_ALL
const gchar * g_get_prgname (void);
GLIB_AVAILABLE_IN_ALL
void g_set_prgname (const gchar *prgname);
GLIB_AVAILABLE_IN_ALL
const gchar * g_get_application_name (void);
GLIB_AVAILABLE_IN_ALL
void g_set_application_name (const gchar *application_name);
GLIB_AVAILABLE_IN_2_64
gchar * g_get_os_info (const gchar *key_name);
/**
* G_OS_INFO_KEY_NAME:
*
* A key to get the name of the operating system excluding version information suitable for presentation to the user, e.g. "YoYoOS"
*
* Since: 2.64
*/
#define G_OS_INFO_KEY_NAME \
GLIB_AVAILABLE_MACRO_IN_2_64 \
"NAME"
/**
* G_OS_INFO_KEY_PRETTY_NAME:
*
* A key to get the name of the operating system in a format suitable for presentation to the user, e.g. "YoYoOS Foo"
*
* Since: 2.64
*/
#define G_OS_INFO_KEY_PRETTY_NAME \
GLIB_AVAILABLE_MACRO_IN_2_64 \
"PRETTY_NAME"
/**
* G_OS_INFO_KEY_VERSION:
*
* A key to get the operating system version suitable for presentation to the user, e.g. "42 (Foo)"
*
* Since: 2.64
*/
#define G_OS_INFO_KEY_VERSION \
GLIB_AVAILABLE_MACRO_IN_2_64 \
"VERSION"
/**
* G_OS_INFO_KEY_VERSION_CODENAME:
*
* A key to get a codename identifying the operating system release suitable for processing by scripts or usage in generated filenames, e.g. "foo"
*
* Since: 2.64
*/
#define G_OS_INFO_KEY_VERSION_CODENAME \
GLIB_AVAILABLE_MACRO_IN_2_64 \
"VERSION_CODENAME"
/**
* G_OS_INFO_KEY_VERSION_ID:
*
* A key to get the version of the operating system suitable for processing by scripts or usage in generated filenames, e.g. "42"
*
* Since: 2.64
*/
#define G_OS_INFO_KEY_VERSION_ID \
GLIB_AVAILABLE_MACRO_IN_2_64 \
"VERSION_ID"
/**
* G_OS_INFO_KEY_ID:
*
* A key to get an ID identifying the operating system suitable for processing by scripts or usage in generated filenames, e.g. "yoyoos"
*
* Since: 2.64
*/
#define G_OS_INFO_KEY_ID \
GLIB_AVAILABLE_MACRO_IN_2_64 \
"ID"
/**
* G_OS_INFO_KEY_HOME_URL:
*
* A key to get the homepage for the operating system, e.g. "https://www.yoyo-os.com/"
*
* Since: 2.64
*/
#define G_OS_INFO_KEY_HOME_URL \
GLIB_AVAILABLE_MACRO_IN_2_64 \
"HOME_URL"
/**
* G_OS_INFO_KEY_DOCUMENTATION_URL:
*
* A key to get the documentation page for the operating system, e.g. "https://docs.yoyo-os.com/"
*
* Since: 2.64
*/
#define G_OS_INFO_KEY_DOCUMENTATION_URL \
GLIB_AVAILABLE_MACRO_IN_2_64 \
"DOCUMENTATION_URL"
/**
* G_OS_INFO_KEY_SUPPORT_URL:
*
* A key to get the support page for the operating system, e.g. "https://support.yoyo-os.com/"
*
* Since: 2.64
*/
#define G_OS_INFO_KEY_SUPPORT_URL \
GLIB_AVAILABLE_MACRO_IN_2_64 \
"SUPPORT_URL"
/**
* G_OS_INFO_KEY_BUG_REPORT_URL:
*
* A key to get the bug reporting page for the operating system, e.g. "https://bugs.yoyo-os.com/"
*
* Since: 2.64
*/
#define G_OS_INFO_KEY_BUG_REPORT_URL \
GLIB_AVAILABLE_MACRO_IN_2_64 \
"BUG_REPORT_URL"
/**
* G_OS_INFO_KEY_PRIVACY_POLICY_URL:
*
* A key to get the privacy policy for the operating system, e.g. "https://privacy.yoyo-os.com/"
*
* Since: 2.64
*/
#define G_OS_INFO_KEY_PRIVACY_POLICY_URL \
GLIB_AVAILABLE_MACRO_IN_2_64 \
"PRIVACY_POLICY_URL"
GLIB_AVAILABLE_IN_ALL
void g_reload_user_special_dirs_cache (void);
GLIB_AVAILABLE_IN_ALL
const gchar * g_get_user_data_dir (void);
GLIB_AVAILABLE_IN_ALL
const gchar * g_get_user_config_dir (void);
GLIB_AVAILABLE_IN_ALL
const gchar * g_get_user_cache_dir (void);
GLIB_AVAILABLE_IN_ALL
const gchar * const * g_get_system_data_dirs (void);
#ifdef G_OS_WIN32
/* This function is not part of the public GLib API */
GLIB_AVAILABLE_IN_ALL
const gchar * const * g_win32_get_system_data_dirs_for_module (void (*address_of_function)(void));
#endif
#if defined (G_OS_WIN32) && defined (G_CAN_INLINE)
/* This function is not part of the public GLib API either. Just call
* g_get_system_data_dirs() in your code, never mind that that is
* actually a macro and you will in fact call this inline function.
*/
static inline const gchar * const *
_g_win32_get_system_data_dirs (void)
{
return g_win32_get_system_data_dirs_for_module ((void (*)(void)) &_g_win32_get_system_data_dirs);
}
#define g_get_system_data_dirs _g_win32_get_system_data_dirs
#endif
GLIB_AVAILABLE_IN_ALL
const gchar * const * g_get_system_config_dirs (void);
GLIB_AVAILABLE_IN_ALL
const gchar * g_get_user_runtime_dir (void);
/**
* GUserDirectory:
* @G_USER_DIRECTORY_DESKTOP: the user's Desktop directory
* @G_USER_DIRECTORY_DOCUMENTS: the user's Documents directory
* @G_USER_DIRECTORY_DOWNLOAD: the user's Downloads directory
* @G_USER_DIRECTORY_MUSIC: the user's Music directory
* @G_USER_DIRECTORY_PICTURES: the user's Pictures directory
* @G_USER_DIRECTORY_PUBLIC_SHARE: the user's shared directory
* @G_USER_DIRECTORY_TEMPLATES: the user's Templates directory
* @G_USER_DIRECTORY_VIDEOS: the user's Movies directory
* @G_USER_N_DIRECTORIES: the number of enum values
*
* These are logical ids for special directories which are defined
* depending on the platform used. You should use g_get_user_special_dir()
* to retrieve the full path associated to the logical id.
*
* The #GUserDirectory enumeration can be extended at later date. Not
* every platform has a directory for every logical id in this
* enumeration.
*
* Since: 2.14
*/
typedef enum {
G_USER_DIRECTORY_DESKTOP,
G_USER_DIRECTORY_DOCUMENTS,
G_USER_DIRECTORY_DOWNLOAD,
G_USER_DIRECTORY_MUSIC,
G_USER_DIRECTORY_PICTURES,
G_USER_DIRECTORY_PUBLIC_SHARE,
G_USER_DIRECTORY_TEMPLATES,
G_USER_DIRECTORY_VIDEOS,
G_USER_N_DIRECTORIES
} GUserDirectory;
GLIB_AVAILABLE_IN_ALL
const gchar * g_get_user_special_dir (GUserDirectory directory);
/**
* GDebugKey:
* @key: the string
* @value: the flag
*
* Associates a string with a bit flag.
* Used in g_parse_debug_string().
*/
typedef struct _GDebugKey GDebugKey;
struct _GDebugKey
{
const gchar *key;
guint value;
};
/* Miscellaneous utility functions
*/
GLIB_AVAILABLE_IN_ALL
guint g_parse_debug_string (const gchar *string,
const GDebugKey *keys,
guint nkeys);
GLIB_AVAILABLE_IN_ALL
gint g_snprintf (gchar *string,
gulong n,
gchar const *format,
...) G_GNUC_PRINTF (3, 4);
GLIB_AVAILABLE_IN_ALL
gint g_vsnprintf (gchar *string,
gulong n,
gchar const *format,
va_list args)
G_GNUC_PRINTF(3, 0);
GLIB_AVAILABLE_IN_ALL
void g_nullify_pointer (gpointer *nullify_location);
typedef enum
{
G_FORMAT_SIZE_DEFAULT = 0,
G_FORMAT_SIZE_LONG_FORMAT = 1 << 0,
G_FORMAT_SIZE_IEC_UNITS = 1 << 1,
G_FORMAT_SIZE_BITS = 1 << 2
} GFormatSizeFlags;
GLIB_AVAILABLE_IN_2_30
gchar *g_format_size_full (guint64 size,
GFormatSizeFlags flags);
GLIB_AVAILABLE_IN_2_30
gchar *g_format_size (guint64 size);
GLIB_DEPRECATED_IN_2_30_FOR(g_format_size)
gchar *g_format_size_for_display (goffset size);
#define g_ATEXIT(proc) (atexit (proc)) GLIB_DEPRECATED_MACRO_IN_2_32
#define g_memmove(dest,src,len) \
G_STMT_START { memmove ((dest), (src), (len)); } G_STMT_END GLIB_DEPRECATED_MACRO_IN_2_40_FOR(memmove)
/**
* GVoidFunc:
*
* Declares a type of function which takes no arguments
* and has no return value. It is used to specify the type
* function passed to g_atexit().
*/
typedef void (*GVoidFunc) (void) GLIB_DEPRECATED_TYPE_IN_2_32;
#define ATEXIT(proc) g_ATEXIT(proc) GLIB_DEPRECATED_MACRO_IN_2_32
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
GLIB_DEPRECATED
void g_atexit (GVoidFunc func);
G_GNUC_END_IGNORE_DEPRECATIONS
#ifdef G_OS_WIN32
/* It's a bad idea to wrap atexit() on Windows. If the GLib DLL calls
* atexit(), the function will be called when the GLib DLL is detached
* from the program, which is not what the caller wants. The caller
* wants the function to be called when it *itself* exits (or is
* detached, in case the caller, too, is a DLL).
*/
#if (defined(__MINGW_H) && !defined(_STDLIB_H_)) || (defined(_MSC_VER) && !defined(_INC_STDLIB))
int atexit (void (*)(void));
#endif
#define g_atexit(func) atexit(func) GLIB_DEPRECATED_MACRO_IN_2_32
#endif
/* Look for an executable in PATH, following execvp() rules */
GLIB_AVAILABLE_IN_ALL
gchar* g_find_program_in_path (const gchar *program);
/* Bit tests
*
* These are defined in a convoluted way because we want the compiler to
* be able to inline the code for performance reasons, but for
* historical reasons, we must continue to provide non-inline versions
* on our ABI.
*
* We define these as functions in gutils.c which are just implemented
* as calls to the _impl() versions in order to preserve the ABI.
*/
#define g_bit_nth_lsf(mask, nth_bit) g_bit_nth_lsf_impl(mask, nth_bit)
#define g_bit_nth_msf(mask, nth_bit) g_bit_nth_msf_impl(mask, nth_bit)
#define g_bit_storage(number) g_bit_storage_impl(number)
GLIB_AVAILABLE_IN_ALL
gint (g_bit_nth_lsf) (gulong mask,
gint nth_bit);
GLIB_AVAILABLE_IN_ALL
gint (g_bit_nth_msf) (gulong mask,
gint nth_bit);
GLIB_AVAILABLE_IN_ALL
guint (g_bit_storage) (gulong number);
static inline gint
g_bit_nth_lsf_impl (gulong mask,
gint nth_bit)
{
if (G_UNLIKELY (nth_bit < -1))
nth_bit = -1;
while (nth_bit < ((GLIB_SIZEOF_LONG * 8) - 1))
{
nth_bit++;
if (mask & (1UL << nth_bit))
return nth_bit;
}
return -1;
}
static inline gint
g_bit_nth_msf_impl (gulong mask,
gint nth_bit)
{
if (nth_bit < 0 || G_UNLIKELY (nth_bit > GLIB_SIZEOF_LONG * 8))
nth_bit = GLIB_SIZEOF_LONG * 8;
while (nth_bit > 0)
{
nth_bit--;
if (mask & (1UL << nth_bit))
return nth_bit;
}
return -1;
}
static inline guint
g_bit_storage_impl (gulong number)
{
#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__)
return G_LIKELY (number) ?
((GLIB_SIZEOF_LONG * 8U - 1) ^ (guint) __builtin_clzl(number)) + 1 : 1;
#else
guint n_bits = 0;
do
{
n_bits++;
number >>= 1;
}
while (number);
return n_bits;
#endif
}
/* Crashes the program. */
#if GLIB_VERSION_MAX_ALLOWED >= GLIB_VERSION_2_50
#ifndef G_OS_WIN32
# include <stdlib.h>
# define g_abort() abort ()
#else
GLIB_AVAILABLE_IN_2_50
G_NORETURN void g_abort (void) G_ANALYZER_NORETURN;
#endif
#endif
/*
* This macro is deprecated. This DllMain() is too complex. It is
* recommended to write an explicit minimal DLlMain() that just saves
* the handle to the DLL and then use that handle instead, for
* instance passing it to
* g_win32_get_package_installation_directory_of_module().
*
* On Windows, this macro defines a DllMain function that stores the
* actual DLL name that the code being compiled will be included in.
* STATIC should be empty or 'static'. DLL_NAME is the name of the
* (pointer to the) char array where the DLL name will be stored. If
* this is used, you must also include <windows.h>. If you need a more complex
* DLL entry point function, you cannot use this.
*
* On non-Windows platforms, expands to nothing.
*/
#ifndef G_PLATFORM_WIN32
# define G_WIN32_DLLMAIN_FOR_DLL_NAME(static, dll_name) GLIB_DEPRECATED_MACRO_IN_2_26
#else
# define G_WIN32_DLLMAIN_FOR_DLL_NAME(static, dll_name) \
static char *dll_name; \
\
BOOL WINAPI \
DllMain (HINSTANCE hinstDLL, \
DWORD fdwReason, \
LPVOID lpvReserved) \
{ \
wchar_t wcbfr[1000]; \
char *tem; \
switch (fdwReason) \
{ \
case DLL_PROCESS_ATTACH: \
GetModuleFileNameW ((HMODULE) hinstDLL, wcbfr, G_N_ELEMENTS (wcbfr)); \
tem = g_utf16_to_utf8 (wcbfr, -1, NULL, NULL, NULL); \
dll_name = g_path_get_basename (tem); \
g_free (tem); \
break; \
} \
\
return TRUE; \
} GLIB_DEPRECATED_MACRO_IN_2_26
#endif /* G_PLATFORM_WIN32 */
G_END_DECLS
#endif /* __G_UTILS_H__ */
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