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 2.1 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, see <http://www.gnu.org/licenses/>.
16 */
17
18/*
19 * Modified by the GLib Team and others 1997-2000. See the AUTHORS
20 * file for a list of people on the GLib Team. See the ChangeLog
21 * files for a list of changes. These files are distributed with
22 * GLib at ftp://ftp.gtk.org/pub/gtk/.
23 */
24
25/* This file must not include any other glib header file and must thus
26 * not refer to variables from glibconfig.h
27 */
28
29#ifndef __G_MACROS_H__
30#define __G_MACROS_H__
31
32#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
33#error "Only <glib.h> can be included directly."
34#endif
35
36/* We include stddef.h to get the system's definition of NULL
37 */
38#include <stddef.h>
39
40#ifdef __GNUC__
41#define G_GNUC_CHECK_VERSION(major, minor) \
42 ((__GNUC__ > (major)) || \
43 ((__GNUC__ == (major)) && \
44 (__GNUC_MINOR__ >= (minor))))
45#else
46#define G_GNUC_CHECK_VERSION(major, minor) 0
47#endif
48
49/* Here we provide G_GNUC_EXTENSION as an alias for __extension__,
50 * where this is valid. This allows for warningless compilation of
51 * "long long" types even in the presence of '-ansi -pedantic'.
52 */
53#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)
54#define G_GNUC_EXTENSION __extension__
55#else
56#define G_GNUC_EXTENSION
57#endif
58
59/* Every compiler that we target supports inlining, but some of them may
60 * complain about it if we don't say "__inline". If we have C99, or if
61 * we are using C++, then we can use "inline" directly. Unfortunately
62 * Visual Studio does not support __STDC_VERSION__, so we need to check
63 * whether we are on Visual Studio 2013 or earlier to see that we need to
64 * say "__inline" in C mode.
65 * Otherwise, we say "__inline" to avoid the warning.
66 */
67#define G_CAN_INLINE
68#ifndef __cplusplus
69# ifdef _MSC_VER
70# if (_MSC_VER < 1900)
71# define G_INLINE_DEFINE_NEEDED
72# endif
73# elif !defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199900)
74# define G_INLINE_DEFINE_NEEDED
75# endif
76#endif
77
78#ifdef G_INLINE_DEFINE_NEEDED
79# undef inline
80# define inline __inline
81#endif
82
83#undef G_INLINE_DEFINE_NEEDED
84
85/* For historical reasons we need to continue to support those who
86 * define G_IMPLEMENT_INLINES to mean "don't implement this here".
87 */
88#ifdef G_IMPLEMENT_INLINES
89# define G_INLINE_FUNC extern
90# undef G_CAN_INLINE
91#else
92# define G_INLINE_FUNC static inline
93#endif /* G_IMPLEMENT_INLINES */
94
95/* Provide macros to feature the GCC function attribute.
96 */
97#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
98#define G_GNUC_PURE __attribute__((__pure__))
99#define G_GNUC_MALLOC __attribute__((__malloc__))
100#define G_GNUC_NO_INLINE __attribute__((noinline))
101#else
102#define G_GNUC_PURE
103#define G_GNUC_MALLOC
104#define G_GNUC_NO_INLINE
105#endif
106
107#if __GNUC__ >= 4
108#define G_GNUC_NULL_TERMINATED __attribute__((__sentinel__))
109#else
110#define G_GNUC_NULL_TERMINATED
111#endif
112
113/*
114 * We can only use __typeof__ on GCC >= 4.8, and not when compiling C++. Since
115 * __typeof__ is used in a few places in GLib, provide a pre-processor symbol
116 * to factor the check out from callers.
117 *
118 * This symbol is private.
119 */
120#undef g_has_typeof
121#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)) && !defined(__cplusplus)
122#define g_has_typeof
123#endif
124
125/*
126 * Clang feature detection: http://clang.llvm.org/docs/LanguageExtensions.html
127 * These are not available on GCC, but since the pre-processor doesn't do
128 * operator short-circuiting, we can't use it in a statement or we'll get:
129 *
130 * error: missing binary operator before token "("
131 *
132 * So we define it to 0 to satisfy the pre-processor.
133 */
134
135#ifdef __has_attribute
136#define g_macro__has_attribute __has_attribute
137#else
138#define g_macro__has_attribute(x) 0
139#endif
140
141#ifdef __has_feature
142#define g_macro__has_feature __has_feature
143#else
144#define g_macro__has_feature(x) 0
145#endif
146
147#ifdef __has_builtin
148#define g_macro__has_builtin __has_builtin
149#else
150#define g_macro__has_builtin(x) 0
151#endif
152
153#if (!defined(__clang__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))) || \
154 (defined(__clang__) && g_macro__has_attribute(__alloc_size__))
155#define G_GNUC_ALLOC_SIZE(x) __attribute__((__alloc_size__(x)))
156#define G_GNUC_ALLOC_SIZE2(x,y) __attribute__((__alloc_size__(x,y)))
157#else
158#define G_GNUC_ALLOC_SIZE(x)
159#define G_GNUC_ALLOC_SIZE2(x,y)
160#endif
161
162#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
163#if !defined (__clang__) && G_GNUC_CHECK_VERSION (4, 4)
164#define G_GNUC_PRINTF( format_idx, arg_idx ) \
165 __attribute__((__format__ (gnu_printf, format_idx, arg_idx)))
166#define G_GNUC_SCANF( format_idx, arg_idx ) \
167 __attribute__((__format__ (gnu_scanf, format_idx, arg_idx)))
168#else
169#define G_GNUC_PRINTF( format_idx, arg_idx ) \
170 __attribute__((__format__ (__printf__, format_idx, arg_idx)))
171#define G_GNUC_SCANF( format_idx, arg_idx ) \
172 __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
173#endif
174#define G_GNUC_FORMAT( arg_idx ) \
175 __attribute__((__format_arg__ (arg_idx)))
176#define G_GNUC_NORETURN \
177 __attribute__((__noreturn__))
178#define G_GNUC_CONST \
179 __attribute__((__const__))
180#define G_GNUC_UNUSED \
181 __attribute__((__unused__))
182#define G_GNUC_NO_INSTRUMENT \
183 __attribute__((__no_instrument_function__))
184#else /* !__GNUC__ */
185#define G_GNUC_PRINTF( format_idx, arg_idx )
186#define G_GNUC_SCANF( format_idx, arg_idx )
187#define G_GNUC_FORMAT( arg_idx )
188#define G_GNUC_NORETURN
189#define G_GNUC_CONST
190#define G_GNUC_UNUSED
191#define G_GNUC_NO_INSTRUMENT
192#endif /* !__GNUC__ */
193
194#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
195#define G_GNUC_DEPRECATED __attribute__((__deprecated__))
196#else
197#define G_GNUC_DEPRECATED
198#endif /* __GNUC__ */
199
200#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
201#define G_GNUC_DEPRECATED_FOR(f) \
202 __attribute__((deprecated("Use " #f " instead")))
203#else
204#define G_GNUC_DEPRECATED_FOR(f) G_GNUC_DEPRECATED
205#endif /* __GNUC__ */
206
207#ifdef __ICC
208#define G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
209 _Pragma ("warning (push)") \
210 _Pragma ("warning (disable:1478)")
211#define G_GNUC_END_IGNORE_DEPRECATIONS \
212 _Pragma ("warning (pop)")
213#elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
214#define G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
215 _Pragma ("GCC diagnostic push") \
216 _Pragma ("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
217#define G_GNUC_END_IGNORE_DEPRECATIONS \
218 _Pragma ("GCC diagnostic pop")
219#elif defined (_MSC_VER) && (_MSC_VER >= 1500)
220#define G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
221 __pragma (warning (push)) \
222 __pragma (warning (disable : 4996))
223#define G_GNUC_END_IGNORE_DEPRECATIONS \
224 __pragma (warning (pop))
225#elif defined (__clang__)
226#define G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
227 _Pragma("clang diagnostic push") \
228 _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"")
229#define G_GNUC_END_IGNORE_DEPRECATIONS \
230 _Pragma("clang diagnostic pop")
231#else
232#define G_GNUC_BEGIN_IGNORE_DEPRECATIONS
233#define G_GNUC_END_IGNORE_DEPRECATIONS
234#endif
235
236#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)
237#define G_GNUC_MAY_ALIAS __attribute__((may_alias))
238#else
239#define G_GNUC_MAY_ALIAS
240#endif
241
242#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
243#define G_GNUC_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
244#else
245#define G_GNUC_WARN_UNUSED_RESULT
246#endif /* __GNUC__ */
247
248#ifndef G_DISABLE_DEPRECATED
249/* Wrap the gcc __PRETTY_FUNCTION__ and __FUNCTION__ variables with
250 * macros, so we can refer to them as strings unconditionally.
251 * usage not-recommended since gcc-3.0
252 */
253#if defined (__GNUC__) && (__GNUC__ < 3)
254#define G_GNUC_FUNCTION __FUNCTION__
255#define G_GNUC_PRETTY_FUNCTION __PRETTY_FUNCTION__
256#else /* !__GNUC__ */
257#define G_GNUC_FUNCTION ""
258#define G_GNUC_PRETTY_FUNCTION ""
259#endif /* !__GNUC__ */
260#endif /* !G_DISABLE_DEPRECATED */
261
262#if g_macro__has_feature(attribute_analyzer_noreturn) && defined(__clang_analyzer__)
263#define G_ANALYZER_ANALYZING 1
264#define G_ANALYZER_NORETURN __attribute__((analyzer_noreturn))
265#else
266#define G_ANALYZER_ANALYZING 0
267#define G_ANALYZER_NORETURN
268#endif
269
270#define G_STRINGIFY(macro_or_string) G_STRINGIFY_ARG (macro_or_string)
271#define G_STRINGIFY_ARG(contents) #contents
272
273#ifndef __GI_SCANNER__ /* The static assert macro really confuses the introspection parser */
274#define G_PASTE_ARGS(identifier1,identifier2) identifier1 ## identifier2
275#define G_PASTE(identifier1,identifier2) G_PASTE_ARGS (identifier1, identifier2)
276#ifdef __COUNTER__
277#define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __COUNTER__)[(expr) ? 1 : -1] G_GNUC_UNUSED
278#else
279#define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __LINE__)[(expr) ? 1 : -1] G_GNUC_UNUSED
280#endif
281#define G_STATIC_ASSERT_EXPR(expr) ((void) sizeof (char[(expr) ? 1 : -1]))
282#endif
283
284/* Provide a string identifying the current code position */
285#if defined(__GNUC__) && (__GNUC__ < 3) && !defined(__cplusplus)
286#define G_STRLOC __FILE__ ":" G_STRINGIFY (__LINE__) ":" __PRETTY_FUNCTION__ "()"
287#else
288#define G_STRLOC __FILE__ ":" G_STRINGIFY (__LINE__)
289#endif
290
291/* Provide a string identifying the current function, non-concatenatable */
292#if defined (__GNUC__) && defined (__cplusplus)
293#define G_STRFUNC ((const char*) (__PRETTY_FUNCTION__))
294#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
295#define G_STRFUNC ((const char*) (__func__))
296#elif defined (__GNUC__) || (defined(_MSC_VER) && (_MSC_VER > 1300))
297#define G_STRFUNC ((const char*) (__FUNCTION__))
298#else
299#define G_STRFUNC ((const char*) ("???"))
300#endif
301
302/* Guard C code in headers, while including them from C++ */
303#ifdef __cplusplus
304#define G_BEGIN_DECLS extern "C" {
305#define G_END_DECLS }
306#else
307#define G_BEGIN_DECLS
308#define G_END_DECLS
309#endif
310
311/* Provide definitions for some commonly used macros.
312 * Some of them are only provided if they haven't already
313 * been defined. It is assumed that if they are already
314 * defined then the current definition is correct.
315 */
316#ifndef NULL
317# ifdef __cplusplus
318# define NULL (0L)
319# else /* !__cplusplus */
320# define NULL ((void*) 0)
321# endif /* !__cplusplus */
322#endif
323
324#ifndef FALSE
325#define FALSE (0)
326#endif
327
328#ifndef TRUE
329#define TRUE (!FALSE)
330#endif
331
332#undef MAX
333#define MAX(a, b) (((a) > (b)) ? (a) : (b))
334
335#undef MIN
336#define MIN(a, b) (((a) < (b)) ? (a) : (b))
337
338#undef ABS
339#define ABS(a) (((a) < 0) ? -(a) : (a))
340
341#undef CLAMP
342#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
343
344#define G_APPROX_VALUE(a, b, epsilon) \
345 (((a) > (b) ? (a) - (b) : (b) - (a)) < (epsilon))
346
347/* Count the number of elements in an array. The array must be defined
348 * as such; using this with a dynamically allocated array will give
349 * incorrect results.
350 */
351#define G_N_ELEMENTS(arr) (sizeof (arr) / sizeof ((arr)[0]))
352
353/* Macros by analogy to GINT_TO_POINTER, GPOINTER_TO_INT
354 */
355#define GPOINTER_TO_SIZE(p) ((gsize) (p))
356#define GSIZE_TO_POINTER(s) ((gpointer) (gsize) (s))
357
358/* Provide convenience macros for handling structure
359 * fields through their offsets.
360 */
361
362#if (defined(__GNUC__) && __GNUC__ >= 4) || defined (_MSC_VER)
363#define G_STRUCT_OFFSET(struct_type, member) \
364 ((glong) offsetof (struct_type, member))
365#else
366#define G_STRUCT_OFFSET(struct_type, member) \
367 ((glong) ((guint8*) &((struct_type*) 0)->member))
368#endif
369
370#define G_STRUCT_MEMBER_P(struct_p, struct_offset) \
371 ((gpointer) ((guint8*) (struct_p) + (glong) (struct_offset)))
372#define G_STRUCT_MEMBER(member_type, struct_p, struct_offset) \
373 (*(member_type*) G_STRUCT_MEMBER_P ((struct_p), (struct_offset)))
374
375/* Provide simple macro statement wrappers:
376 * G_STMT_START { statements; } G_STMT_END;
377 * This can be used as a single statement, like:
378 * if (x) G_STMT_START { ... } G_STMT_END; else ...
379 * This intentionally does not use compiler extensions like GCC's '({...})' to
380 * avoid portability issue or side effects when compiled with different compilers.
381 * MSVC complains about "while(0)": C4127: "Conditional expression is constant",
382 * so we use __pragma to avoid the warning since the use here is intentional.
383 */
384#if !(defined (G_STMT_START) && defined (G_STMT_END))
385#define G_STMT_START do
386#if defined (_MSC_VER) && (_MSC_VER >= 1500)
387#define G_STMT_END \
388 __pragma(warning(push)) \
389 __pragma(warning(disable:4127)) \
390 while(0) \
391 __pragma(warning(pop))
392#else
393#define G_STMT_END while (0)
394#endif
395#endif
396
397/* Deprecated -- do not use. */
398#ifndef G_DISABLE_DEPRECATED
399#ifdef G_DISABLE_CONST_RETURNS
400#define G_CONST_RETURN
401#else
402#define G_CONST_RETURN const
403#endif
404#endif
405
406/*
407 * The G_LIKELY and G_UNLIKELY macros let the programmer give hints to
408 * the compiler about the expected result of an expression. Some compilers
409 * can use this information for optimizations.
410 *
411 * The _G_BOOLEAN_EXPR macro is intended to trigger a gcc warning when
412 * putting assignments in g_return_if_fail ().
413 */
414#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
415#define _G_BOOLEAN_EXPR(expr) \
416 G_GNUC_EXTENSION ({ \
417 int _g_boolean_var_; \
418 if (expr) \
419 _g_boolean_var_ = 1; \
420 else \
421 _g_boolean_var_ = 0; \
422 _g_boolean_var_; \
423})
424#define G_LIKELY(expr) (__builtin_expect (_G_BOOLEAN_EXPR((expr)), 1))
425#define G_UNLIKELY(expr) (__builtin_expect (_G_BOOLEAN_EXPR((expr)), 0))
426#else
427#define G_LIKELY(expr) (expr)
428#define G_UNLIKELY(expr) (expr)
429#endif
430
431#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
432#define G_DEPRECATED __attribute__((__deprecated__))
433#elif defined(_MSC_VER) && (_MSC_VER >= 1300)
434#define G_DEPRECATED __declspec(deprecated)
435#else
436#define G_DEPRECATED
437#endif
438
439#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
440#define G_DEPRECATED_FOR(f) __attribute__((__deprecated__("Use '" #f "' instead")))
441#elif defined(_MSC_FULL_VER) && (_MSC_FULL_VER > 140050320)
442#define G_DEPRECATED_FOR(f) __declspec(deprecated("is deprecated. Use '" #f "' instead"))
443#else
444#define G_DEPRECATED_FOR(f) G_DEPRECATED
445#endif
446
447#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
448#define G_UNAVAILABLE(maj,min) __attribute__((deprecated("Not available before " #maj "." #min)))
449#elif defined(_MSC_FULL_VER) && (_MSC_FULL_VER > 140050320)
450#define G_UNAVAILABLE(maj,min) __declspec(deprecated("is not available before " #maj "." #min))
451#else
452#define G_UNAVAILABLE(maj,min) G_DEPRECATED
453#endif
454
455#ifndef _GLIB_EXTERN
456#define _GLIB_EXTERN extern
457#endif
458
459/* These macros are used to mark deprecated functions in GLib headers,
460 * and thus have to be exposed in installed headers. But please
461 * do *not* use them in other projects. Instead, use G_DEPRECATED
462 * or define your own wrappers around it.
463 */
464
465#ifdef GLIB_DISABLE_DEPRECATION_WARNINGS
466#define GLIB_DEPRECATED _GLIB_EXTERN
467#define GLIB_DEPRECATED_FOR(f) _GLIB_EXTERN
468#define GLIB_UNAVAILABLE(maj,min) _GLIB_EXTERN
469#else
470#define GLIB_DEPRECATED G_DEPRECATED _GLIB_EXTERN
471#define GLIB_DEPRECATED_FOR(f) G_DEPRECATED_FOR(f) _GLIB_EXTERN
472#define GLIB_UNAVAILABLE(maj,min) G_UNAVAILABLE(maj,min) _GLIB_EXTERN
473#endif
474
475#ifndef __GI_SCANNER__
476
477#ifdef __GNUC__
478
479/* these macros are private */
480#define _GLIB_AUTOPTR_FUNC_NAME(TypeName) glib_autoptr_cleanup_##TypeName
481#define _GLIB_AUTOPTR_TYPENAME(TypeName) TypeName##_autoptr
482#define _GLIB_AUTOPTR_LIST_FUNC_NAME(TypeName) glib_listautoptr_cleanup_##TypeName
483#define _GLIB_AUTOPTR_LIST_TYPENAME(TypeName) TypeName##_listautoptr
484#define _GLIB_AUTOPTR_SLIST_FUNC_NAME(TypeName) glib_slistautoptr_cleanup_##TypeName
485#define _GLIB_AUTOPTR_SLIST_TYPENAME(TypeName) TypeName##_slistautoptr
486#define _GLIB_AUTO_FUNC_NAME(TypeName) glib_auto_cleanup_##TypeName
487#define _GLIB_CLEANUP(func) __attribute__((cleanup(func)))
488#define _GLIB_DEFINE_AUTOPTR_CHAINUP(ModuleObjName, ParentName) \
489 typedef ModuleObjName *_GLIB_AUTOPTR_TYPENAME(ModuleObjName); \
490 static inline void _GLIB_AUTOPTR_FUNC_NAME(ModuleObjName) (ModuleObjName **_ptr) { \
491 _GLIB_AUTOPTR_FUNC_NAME(ParentName) ((ParentName **) _ptr); } \
492
493
494/* these macros are API */
495#define G_DEFINE_AUTOPTR_CLEANUP_FUNC(TypeName, func) \
496 typedef TypeName *_GLIB_AUTOPTR_TYPENAME(TypeName); \
497 typedef GList *_GLIB_AUTOPTR_LIST_TYPENAME(TypeName); \
498 typedef GSList *_GLIB_AUTOPTR_SLIST_TYPENAME(TypeName); \
499 G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
500 static G_GNUC_UNUSED inline void _GLIB_AUTOPTR_FUNC_NAME(TypeName) (TypeName **_ptr) { if (*_ptr) (func) (*_ptr); } \
501 static G_GNUC_UNUSED inline void _GLIB_AUTOPTR_LIST_FUNC_NAME(TypeName) (GList **_l) { g_list_free_full (*_l, (GDestroyNotify) (void(*)(void)) func); } \
502 static G_GNUC_UNUSED inline void _GLIB_AUTOPTR_SLIST_FUNC_NAME(TypeName) (GSList **_l) { g_slist_free_full (*_l, (GDestroyNotify) (void(*)(void)) func); } \
503 G_GNUC_END_IGNORE_DEPRECATIONS
504#define G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(TypeName, func) \
505 G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
506 static inline void _GLIB_AUTO_FUNC_NAME(TypeName) (TypeName *_ptr) { (func) (_ptr); } \
507 G_GNUC_END_IGNORE_DEPRECATIONS
508#define G_DEFINE_AUTO_CLEANUP_FREE_FUNC(TypeName, func, none) \
509 G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
510 static inline void _GLIB_AUTO_FUNC_NAME(TypeName) (TypeName *_ptr) { if (*_ptr != none) (func) (*_ptr); } \
511 G_GNUC_END_IGNORE_DEPRECATIONS
512#define g_autoptr(TypeName) _GLIB_CLEANUP(_GLIB_AUTOPTR_FUNC_NAME(TypeName)) _GLIB_AUTOPTR_TYPENAME(TypeName)
513#define g_autolist(TypeName) _GLIB_CLEANUP(_GLIB_AUTOPTR_LIST_FUNC_NAME(TypeName)) _GLIB_AUTOPTR_LIST_TYPENAME(TypeName)
514#define g_autoslist(TypeName) _GLIB_CLEANUP(_GLIB_AUTOPTR_SLIST_FUNC_NAME(TypeName)) _GLIB_AUTOPTR_SLIST_TYPENAME(TypeName)
515#define g_auto(TypeName) _GLIB_CLEANUP(_GLIB_AUTO_FUNC_NAME(TypeName)) TypeName
516#define g_autofree _GLIB_CLEANUP(g_autoptr_cleanup_generic_gfree)
517
518#else /* not GNU C */
519/* this (dummy) macro is private */
520#define _GLIB_DEFINE_AUTOPTR_CHAINUP(ModuleObjName, ParentName)
521
522/* these (dummy) macros are API */
523#define G_DEFINE_AUTOPTR_CLEANUP_FUNC(TypeName, func)
524#define G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(TypeName, func)
525#define G_DEFINE_AUTO_CLEANUP_FREE_FUNC(TypeName, func, none)
526
527/* no declaration of g_auto() or g_autoptr() here */
528#endif /* __GNUC__ */
529
530#else
531
532#define _GLIB_DEFINE_AUTOPTR_CHAINUP(ModuleObjName, ParentName)
533
534#define G_DEFINE_AUTOPTR_CLEANUP_FUNC(TypeName, func)
535#define G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(TypeName, func)
536#define G_DEFINE_AUTO_CLEANUP_FREE_FUNC(TypeName, func, none)
537
538#endif /* __GI_SCANNER__ */
539
540#endif /* __G_MACROS_H__ */
541