/usr/include/glib-2.0/glib/gutils.h is in libglib2.0-dev 2.48.0-1ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 | /* 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 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_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 functions 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) && !defined (__cplusplus)
/* 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
} 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_FOR(g_format_size)
gchar *g_format_size_for_display (goffset size);
#ifndef G_DISABLE_DEPRECATED
/**
* 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);
#define ATEXIT(proc) g_ATEXIT(proc)
GLIB_DEPRECATED
void g_atexit (GVoidFunc func);
#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)
#endif
#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
}
#ifndef G_DISABLE_DEPRECATED
/*
* 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)
#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; \
}
#endif /* !G_DISABLE_DEPRECATED */
#endif /* G_PLATFORM_WIN32 */
G_END_DECLS
#endif /* __G_UTILS_H__ */
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