| 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 | #else |
| 101 | #define G_GNUC_PURE |
| 102 | #define G_GNUC_MALLOC |
| 103 | #endif |
| 104 | |
| 105 | #if __GNUC__ >= 4 |
| 106 | #define G_GNUC_NULL_TERMINATED __attribute__((__sentinel__)) |
| 107 | #else |
| 108 | #define G_GNUC_NULL_TERMINATED |
| 109 | #endif |
| 110 | |
| 111 | /* Clang feature detection: http://clang.llvm.org/docs/LanguageExtensions.html */ |
| 112 | #ifndef __has_attribute |
| 113 | #define __has_attribute(x) 0 |
| 114 | #endif |
| 115 | |
| 116 | #ifndef __has_feature |
| 117 | #define __has_feature(x) 0 |
| 118 | #endif |
| 119 | |
| 120 | #ifndef __has_builtin |
| 121 | #define __has_builtin(x) 0 |
| 122 | #endif |
| 123 | |
| 124 | #if (!defined(__clang__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))) || \ |
| 125 | (defined(__clang__) && __has_attribute(__alloc_size__)) |
| 126 | #define G_GNUC_ALLOC_SIZE(x) __attribute__((__alloc_size__(x))) |
| 127 | #define G_GNUC_ALLOC_SIZE2(x,y) __attribute__((__alloc_size__(x,y))) |
| 128 | #else |
| 129 | #define G_GNUC_ALLOC_SIZE(x) |
| 130 | #define G_GNUC_ALLOC_SIZE2(x,y) |
| 131 | #endif |
| 132 | |
| 133 | #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4) |
| 134 | #define G_GNUC_PRINTF( format_idx, arg_idx ) \ |
| 135 | __attribute__((__format__ (__printf__, format_idx, arg_idx))) |
| 136 | #define G_GNUC_SCANF( format_idx, arg_idx ) \ |
| 137 | __attribute__((__format__ (__scanf__, format_idx, arg_idx))) |
| 138 | #define G_GNUC_FORMAT( arg_idx ) \ |
| 139 | __attribute__((__format_arg__ (arg_idx))) |
| 140 | #define G_GNUC_NORETURN \ |
| 141 | __attribute__((__noreturn__)) |
| 142 | #define G_GNUC_CONST \ |
| 143 | __attribute__((__const__)) |
| 144 | #define G_GNUC_UNUSED \ |
| 145 | __attribute__((__unused__)) |
| 146 | #define G_GNUC_NO_INSTRUMENT \ |
| 147 | __attribute__((__no_instrument_function__)) |
| 148 | #else /* !__GNUC__ */ |
| 149 | #define G_GNUC_PRINTF( format_idx, arg_idx ) |
| 150 | #define G_GNUC_SCANF( format_idx, arg_idx ) |
| 151 | #define G_GNUC_FORMAT( arg_idx ) |
| 152 | #define G_GNUC_NORETURN |
| 153 | #define G_GNUC_CONST |
| 154 | #define G_GNUC_UNUSED |
| 155 | #define G_GNUC_NO_INSTRUMENT |
| 156 | #endif /* !__GNUC__ */ |
| 157 | |
| 158 | #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1) |
| 159 | #define G_GNUC_DEPRECATED __attribute__((__deprecated__)) |
| 160 | #else |
| 161 | #define G_GNUC_DEPRECATED |
| 162 | #endif /* __GNUC__ */ |
| 163 | |
| 164 | #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) |
| 165 | #define G_GNUC_DEPRECATED_FOR(f) \ |
| 166 | __attribute__((deprecated("Use " #f " instead"))) |
| 167 | #else |
| 168 | #define G_GNUC_DEPRECATED_FOR(f) G_GNUC_DEPRECATED |
| 169 | #endif /* __GNUC__ */ |
| 170 | |
| 171 | #ifdef __ICC |
| 172 | #define G_GNUC_BEGIN_IGNORE_DEPRECATIONS \ |
| 173 | _Pragma ("warning (push)") \ |
| 174 | _Pragma ("warning (disable:1478)") |
| 175 | #define G_GNUC_END_IGNORE_DEPRECATIONS \ |
| 176 | _Pragma ("warning (pop)") |
| 177 | #elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6) |
| 178 | #define G_GNUC_BEGIN_IGNORE_DEPRECATIONS \ |
| 179 | _Pragma ("GCC diagnostic push") \ |
| 180 | _Pragma ("GCC diagnostic ignored \"-Wdeprecated-declarations\"") |
| 181 | #define G_GNUC_END_IGNORE_DEPRECATIONS \ |
| 182 | _Pragma ("GCC diagnostic pop") |
| 183 | #elif defined (_MSC_VER) && (_MSC_VER >= 1500) |
| 184 | #define G_GNUC_BEGIN_IGNORE_DEPRECATIONS \ |
| 185 | __pragma (warning (push)) \ |
| 186 | __pragma (warning (disable : 4996)) |
| 187 | #define G_GNUC_END_IGNORE_DEPRECATIONS \ |
| 188 | __pragma (warning (pop)) |
| 189 | #elif defined (__clang__) |
| 190 | #define G_GNUC_BEGIN_IGNORE_DEPRECATIONS \ |
| 191 | _Pragma("clang diagnostic push") \ |
| 192 | _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") |
| 193 | #define G_GNUC_END_IGNORE_DEPRECATIONS \ |
| 194 | _Pragma("clang diagnostic pop") |
| 195 | #else |
| 196 | #define G_GNUC_BEGIN_IGNORE_DEPRECATIONS |
| 197 | #define G_GNUC_END_IGNORE_DEPRECATIONS |
| 198 | #endif |
| 199 | |
| 200 | #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) |
| 201 | #define G_GNUC_MAY_ALIAS __attribute__((may_alias)) |
| 202 | #else |
| 203 | #define G_GNUC_MAY_ALIAS |
| 204 | #endif |
| 205 | |
| 206 | #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) |
| 207 | #define G_GNUC_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) |
| 208 | #else |
| 209 | #define G_GNUC_WARN_UNUSED_RESULT |
| 210 | #endif /* __GNUC__ */ |
| 211 | |
| 212 | #ifndef G_DISABLE_DEPRECATED |
| 213 | /* Wrap the gcc __PRETTY_FUNCTION__ and __FUNCTION__ variables with |
| 214 | * macros, so we can refer to them as strings unconditionally. |
| 215 | * usage not-recommended since gcc-3.0 |
| 216 | */ |
| 217 | #if defined (__GNUC__) && (__GNUC__ < 3) |
| 218 | #define G_GNUC_FUNCTION __FUNCTION__ |
| 219 | #define G_GNUC_PRETTY_FUNCTION __PRETTY_FUNCTION__ |
| 220 | #else /* !__GNUC__ */ |
| 221 | #define G_GNUC_FUNCTION "" |
| 222 | #define G_GNUC_PRETTY_FUNCTION "" |
| 223 | #endif /* !__GNUC__ */ |
| 224 | #endif /* !G_DISABLE_DEPRECATED */ |
| 225 | |
| 226 | #if __has_feature(attribute_analyzer_noreturn) && defined(__clang_analyzer__) |
| 227 | #define G_ANALYZER_ANALYZING 1 |
| 228 | #define G_ANALYZER_NORETURN __attribute__((analyzer_noreturn)) |
| 229 | #else |
| 230 | #define G_ANALYZER_ANALYZING 0 |
| 231 | #define G_ANALYZER_NORETURN |
| 232 | #endif |
| 233 | |
| 234 | #define G_STRINGIFY(macro_or_string) G_STRINGIFY_ARG (macro_or_string) |
| 235 | #define G_STRINGIFY_ARG(contents) #contents |
| 236 | |
| 237 | #ifndef __GI_SCANNER__ /* The static assert macro really confuses the introspection parser */ |
| 238 | #define G_PASTE_ARGS(identifier1,identifier2) identifier1 ## identifier2 |
| 239 | #define G_PASTE(identifier1,identifier2) G_PASTE_ARGS (identifier1, identifier2) |
| 240 | #ifdef __COUNTER__ |
| 241 | #define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __COUNTER__)[(expr) ? 1 : -1] G_GNUC_UNUSED |
| 242 | #else |
| 243 | #define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __LINE__)[(expr) ? 1 : -1] G_GNUC_UNUSED |
| 244 | #endif |
| 245 | #define G_STATIC_ASSERT_EXPR(expr) ((void) sizeof (char[(expr) ? 1 : -1])) |
| 246 | #endif |
| 247 | |
| 248 | /* Provide a string identifying the current code position */ |
| 249 | #if defined(__GNUC__) && (__GNUC__ < 3) && !defined(__cplusplus) |
| 250 | #define G_STRLOC __FILE__ ":" G_STRINGIFY (__LINE__) ":" __PRETTY_FUNCTION__ "()" |
| 251 | #else |
| 252 | #define G_STRLOC __FILE__ ":" G_STRINGIFY (__LINE__) |
| 253 | #endif |
| 254 | |
| 255 | /* Provide a string identifying the current function, non-concatenatable */ |
| 256 | #if defined (__GNUC__) && defined (__cplusplus) |
| 257 | #define G_STRFUNC ((const char*) (__PRETTY_FUNCTION__)) |
| 258 | #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L |
| 259 | #define G_STRFUNC ((const char*) (__func__)) |
| 260 | #elif defined (__GNUC__) || (defined(_MSC_VER) && (_MSC_VER > 1300)) |
| 261 | #define G_STRFUNC ((const char*) (__FUNCTION__)) |
| 262 | #else |
| 263 | #define G_STRFUNC ((const char*) ("???")) |
| 264 | #endif |
| 265 | |
| 266 | /* Guard C code in headers, while including them from C++ */ |
| 267 | #ifdef __cplusplus |
| 268 | #define G_BEGIN_DECLS extern "C" { |
| 269 | #define G_END_DECLS } |
| 270 | #else |
| 271 | #define G_BEGIN_DECLS |
| 272 | #define G_END_DECLS |
| 273 | #endif |
| 274 | |
| 275 | /* Provide definitions for some commonly used macros. |
| 276 | * Some of them are only provided if they haven't already |
| 277 | * been defined. It is assumed that if they are already |
| 278 | * defined then the current definition is correct. |
| 279 | */ |
| 280 | #ifndef NULL |
| 281 | # ifdef __cplusplus |
| 282 | # define NULL (0L) |
| 283 | # else /* !__cplusplus */ |
| 284 | # define NULL ((void*) 0) |
| 285 | # endif /* !__cplusplus */ |
| 286 | #endif |
| 287 | |
| 288 | #ifndef FALSE |
| 289 | #define FALSE (0) |
| 290 | #endif |
| 291 | |
| 292 | #ifndef TRUE |
| 293 | #define TRUE (!FALSE) |
| 294 | #endif |
| 295 | |
| 296 | #undef MAX |
| 297 | #define MAX(a, b) (((a) > (b)) ? (a) : (b)) |
| 298 | |
| 299 | #undef MIN |
| 300 | #define MIN(a, b) (((a) < (b)) ? (a) : (b)) |
| 301 | |
| 302 | #undef ABS |
| 303 | #define ABS(a) (((a) < 0) ? -(a) : (a)) |
| 304 | |
| 305 | #undef CLAMP |
| 306 | #define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x))) |
| 307 | |
| 308 | /* Count the number of elements in an array. The array must be defined |
| 309 | * as such; using this with a dynamically allocated array will give |
| 310 | * incorrect results. |
| 311 | */ |
| 312 | #define G_N_ELEMENTS(arr) (sizeof (arr) / sizeof ((arr)[0])) |
| 313 | |
| 314 | /* Macros by analogy to GINT_TO_POINTER, GPOINTER_TO_INT |
| 315 | */ |
| 316 | #define GPOINTER_TO_SIZE(p) ((gsize) (p)) |
| 317 | #define GSIZE_TO_POINTER(s) ((gpointer) (gsize) (s)) |
| 318 | |
| 319 | /* Provide convenience macros for handling structure |
| 320 | * fields through their offsets. |
| 321 | */ |
| 322 | |
| 323 | #if (defined(__GNUC__) && __GNUC__ >= 4) || defined (_MSC_VER) |
| 324 | #define G_STRUCT_OFFSET(struct_type, member) \ |
| 325 | ((glong) offsetof (struct_type, member)) |
| 326 | #else |
| 327 | #define G_STRUCT_OFFSET(struct_type, member) \ |
| 328 | ((glong) ((guint8*) &((struct_type*) 0)->member)) |
| 329 | #endif |
| 330 | |
| 331 | #define G_STRUCT_MEMBER_P(struct_p, struct_offset) \ |
| 332 | ((gpointer) ((guint8*) (struct_p) + (glong) (struct_offset))) |
| 333 | #define G_STRUCT_MEMBER(member_type, struct_p, struct_offset) \ |
| 334 | (*(member_type*) G_STRUCT_MEMBER_P ((struct_p), (struct_offset))) |
| 335 | |
| 336 | /* Provide simple macro statement wrappers: |
| 337 | * G_STMT_START { statements; } G_STMT_END; |
| 338 | * This can be used as a single statement, like: |
| 339 | * if (x) G_STMT_START { ... } G_STMT_END; else ... |
| 340 | * This intentionally does not use compiler extensions like GCC's '({...})' to |
| 341 | * avoid portability issue or side effects when compiled with different compilers. |
| 342 | * MSVC complains about "while(0)": C4127: "Conditional expression is constant", |
| 343 | * so we use __pragma to avoid the warning since the use here is intentional. |
| 344 | */ |
| 345 | #if !(defined (G_STMT_START) && defined (G_STMT_END)) |
| 346 | #define G_STMT_START do |
| 347 | #if defined (_MSC_VER) && (_MSC_VER >= 1500) |
| 348 | #define G_STMT_END \ |
| 349 | __pragma(warning(push)) \ |
| 350 | __pragma(warning(disable:4127)) \ |
| 351 | while(0) \ |
| 352 | __pragma(warning(pop)) |
| 353 | #else |
| 354 | #define G_STMT_END while (0) |
| 355 | #endif |
| 356 | #endif |
| 357 | |
| 358 | /* Deprecated -- do not use. */ |
| 359 | #ifndef G_DISABLE_DEPRECATED |
| 360 | #ifdef G_DISABLE_CONST_RETURNS |
| 361 | #define G_CONST_RETURN |
| 362 | #else |
| 363 | #define G_CONST_RETURN const |
| 364 | #endif |
| 365 | #endif |
| 366 | |
| 367 | /* |
| 368 | * The G_LIKELY and G_UNLIKELY macros let the programmer give hints to |
| 369 | * the compiler about the expected result of an expression. Some compilers |
| 370 | * can use this information for optimizations. |
| 371 | * |
| 372 | * The _G_BOOLEAN_EXPR macro is intended to trigger a gcc warning when |
| 373 | * putting assignments in g_return_if_fail (). |
| 374 | */ |
| 375 | #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__) |
| 376 | #define _G_BOOLEAN_EXPR(expr) \ |
| 377 | G_GNUC_EXTENSION ({ \ |
| 378 | int _g_boolean_var_; \ |
| 379 | if (expr) \ |
| 380 | _g_boolean_var_ = 1; \ |
| 381 | else \ |
| 382 | _g_boolean_var_ = 0; \ |
| 383 | _g_boolean_var_; \ |
| 384 | }) |
| 385 | #define G_LIKELY(expr) (__builtin_expect (_G_BOOLEAN_EXPR((expr)), 1)) |
| 386 | #define G_UNLIKELY(expr) (__builtin_expect (_G_BOOLEAN_EXPR((expr)), 0)) |
| 387 | #else |
| 388 | #define G_LIKELY(expr) (expr) |
| 389 | #define G_UNLIKELY(expr) (expr) |
| 390 | #endif |
| 391 | |
| 392 | #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1) |
| 393 | #define G_DEPRECATED __attribute__((__deprecated__)) |
| 394 | #elif defined(_MSC_VER) && (_MSC_VER >= 1300) |
| 395 | #define G_DEPRECATED __declspec(deprecated) |
| 396 | #else |
| 397 | #define G_DEPRECATED |
| 398 | #endif |
| 399 | |
| 400 | #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) |
| 401 | #define G_DEPRECATED_FOR(f) __attribute__((__deprecated__("Use '" #f "' instead"))) |
| 402 | #elif defined(_MSC_FULL_VER) && (_MSC_FULL_VER > 140050320) |
| 403 | #define G_DEPRECATED_FOR(f) __declspec(deprecated("is deprecated. Use '" #f "' instead")) |
| 404 | #else |
| 405 | #define G_DEPRECATED_FOR(f) G_DEPRECATED |
| 406 | #endif |
| 407 | |
| 408 | #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) |
| 409 | #define G_UNAVAILABLE(maj,min) __attribute__((deprecated("Not available before " #maj "." #min))) |
| 410 | #elif defined(_MSC_FULL_VER) && (_MSC_FULL_VER > 140050320) |
| 411 | #define G_UNAVAILABLE(maj,min) __declspec(deprecated("is not available before " #maj "." #min)) |
| 412 | #else |
| 413 | #define G_UNAVAILABLE(maj,min) G_DEPRECATED |
| 414 | #endif |
| 415 | |
| 416 | #ifndef _GLIB_EXTERN |
| 417 | #define _GLIB_EXTERN extern |
| 418 | #endif |
| 419 | |
| 420 | /* These macros are used to mark deprecated functions in GLib headers, |
| 421 | * and thus have to be exposed in installed headers. But please |
| 422 | * do *not* use them in other projects. Instead, use G_DEPRECATED |
| 423 | * or define your own wrappers around it. |
| 424 | */ |
| 425 | |
| 426 | #ifdef GLIB_DISABLE_DEPRECATION_WARNINGS |
| 427 | #define GLIB_DEPRECATED _GLIB_EXTERN |
| 428 | #define GLIB_DEPRECATED_FOR(f) _GLIB_EXTERN |
| 429 | #define GLIB_UNAVAILABLE(maj,min) _GLIB_EXTERN |
| 430 | #else |
| 431 | #define GLIB_DEPRECATED G_DEPRECATED _GLIB_EXTERN |
| 432 | #define GLIB_DEPRECATED_FOR(f) G_DEPRECATED_FOR(f) _GLIB_EXTERN |
| 433 | #define GLIB_UNAVAILABLE(maj,min) G_UNAVAILABLE(maj,min) _GLIB_EXTERN |
| 434 | #endif |
| 435 | |
| 436 | #ifndef __GI_SCANNER__ |
| 437 | |
| 438 | #ifdef __GNUC__ |
| 439 | |
| 440 | /* these macros are private */ |
| 441 | #define _GLIB_AUTOPTR_FUNC_NAME(TypeName) glib_autoptr_cleanup_##TypeName |
| 442 | #define _GLIB_AUTOPTR_TYPENAME(TypeName) TypeName##_autoptr |
| 443 | #define _GLIB_AUTOPTR_LIST_FUNC_NAME(TypeName) glib_listautoptr_cleanup_##TypeName |
| 444 | #define _GLIB_AUTOPTR_LIST_TYPENAME(TypeName) TypeName##_listautoptr |
| 445 | #define _GLIB_AUTOPTR_SLIST_FUNC_NAME(TypeName) glib_slistautoptr_cleanup_##TypeName |
| 446 | #define _GLIB_AUTOPTR_SLIST_TYPENAME(TypeName) TypeName##_slistautoptr |
| 447 | #define _GLIB_AUTO_FUNC_NAME(TypeName) glib_auto_cleanup_##TypeName |
| 448 | #define _GLIB_CLEANUP(func) __attribute__((cleanup(func))) |
| 449 | #define _GLIB_DEFINE_AUTOPTR_CHAINUP(ModuleObjName, ParentName) \ |
| 450 | typedef ModuleObjName *_GLIB_AUTOPTR_TYPENAME(ModuleObjName); \ |
| 451 | static inline void _GLIB_AUTOPTR_FUNC_NAME(ModuleObjName) (ModuleObjName **_ptr) { \ |
| 452 | _GLIB_AUTOPTR_FUNC_NAME(ParentName) ((ParentName **) _ptr); } \ |
| 453 | |
| 454 | |
| 455 | /* these macros are API */ |
| 456 | #define G_DEFINE_AUTOPTR_CLEANUP_FUNC(TypeName, func) \ |
| 457 | typedef TypeName *_GLIB_AUTOPTR_TYPENAME(TypeName); \ |
| 458 | typedef GList *_GLIB_AUTOPTR_LIST_TYPENAME(TypeName); \ |
| 459 | typedef GSList *_GLIB_AUTOPTR_SLIST_TYPENAME(TypeName); \ |
| 460 | G_GNUC_BEGIN_IGNORE_DEPRECATIONS \ |
| 461 | static inline void _GLIB_AUTOPTR_FUNC_NAME(TypeName) (TypeName **_ptr) { if (*_ptr) (func) (*_ptr); } \ |
| 462 | static inline void _GLIB_AUTOPTR_LIST_FUNC_NAME(TypeName) (GList **_l) { g_list_free_full (*_l, (GDestroyNotify) func); } \ |
| 463 | static inline void _GLIB_AUTOPTR_SLIST_FUNC_NAME(TypeName) (GSList **_l) { g_slist_free_full (*_l, (GDestroyNotify) func); } \ |
| 464 | G_GNUC_END_IGNORE_DEPRECATIONS |
| 465 | #define G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(TypeName, func) \ |
| 466 | G_GNUC_BEGIN_IGNORE_DEPRECATIONS \ |
| 467 | static inline void _GLIB_AUTO_FUNC_NAME(TypeName) (TypeName *_ptr) { (func) (_ptr); } \ |
| 468 | G_GNUC_END_IGNORE_DEPRECATIONS |
| 469 | #define G_DEFINE_AUTO_CLEANUP_FREE_FUNC(TypeName, func, none) \ |
| 470 | G_GNUC_BEGIN_IGNORE_DEPRECATIONS \ |
| 471 | static inline void _GLIB_AUTO_FUNC_NAME(TypeName) (TypeName *_ptr) { if (*_ptr != none) (func) (*_ptr); } \ |
| 472 | G_GNUC_END_IGNORE_DEPRECATIONS |
| 473 | #define g_autoptr(TypeName) _GLIB_CLEANUP(_GLIB_AUTOPTR_FUNC_NAME(TypeName)) _GLIB_AUTOPTR_TYPENAME(TypeName) |
| 474 | #define g_autolist(TypeName) _GLIB_CLEANUP(_GLIB_AUTOPTR_LIST_FUNC_NAME(TypeName)) _GLIB_AUTOPTR_LIST_TYPENAME(TypeName) |
| 475 | #define g_autoslist(TypeName) _GLIB_CLEANUP(_GLIB_AUTOPTR_SLIST_FUNC_NAME(TypeName)) _GLIB_AUTOPTR_SLIST_TYPENAME(TypeName) |
| 476 | #define g_auto(TypeName) _GLIB_CLEANUP(_GLIB_AUTO_FUNC_NAME(TypeName)) TypeName |
| 477 | #define g_autofree _GLIB_CLEANUP(g_autoptr_cleanup_generic_gfree) |
| 478 | |
| 479 | #else /* not GNU C */ |
| 480 | /* this (dummy) macro is private */ |
| 481 | #define _GLIB_DEFINE_AUTOPTR_CHAINUP(ModuleObjName, ParentName) |
| 482 | |
| 483 | /* these (dummy) macros are API */ |
| 484 | #define G_DEFINE_AUTOPTR_CLEANUP_FUNC(TypeName, func) |
| 485 | #define G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(TypeName, func) |
| 486 | #define G_DEFINE_AUTO_CLEANUP_FREE_FUNC(TypeName, func, none) |
| 487 | |
| 488 | /* no declaration of g_auto() or g_autoptr() here */ |
| 489 | #endif /* __GNUC__ */ |
| 490 | |
| 491 | #else |
| 492 | |
| 493 | #define _GLIB_DEFINE_AUTOPTR_CHAINUP(ModuleObjName, ParentName) |
| 494 | |
| 495 | #define G_DEFINE_AUTOPTR_CLEANUP_FUNC(TypeName, func) |
| 496 | #define G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(TypeName, func) |
| 497 | #define G_DEFINE_AUTO_CLEANUP_FREE_FUNC(TypeName, func, none) |
| 498 | |
| 499 | #endif /* __GI_SCANNER__ */ |
| 500 | |
| 501 | #endif /* __G_MACROS_H__ */ |
| 502 | |