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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 | /* * Copyright (c) 2011-2014, Wind River Systems, Inc. * * SPDX-License-Identifier: Apache-2.0 */ /** * @file * @brief Misc utilities * * Misc utilities usable by the kernel and application code. */ #ifndef ZEPHYR_INCLUDE_MISC_UTIL_H_ #define ZEPHYR_INCLUDE_MISC_UTIL_H_ #ifndef _ASMLANGUAGE #include <zephyr/types.h> #include <stdbool.h> /* Helper to pass a int as a pointer or vice-versa. * Those are available for 32 bits architectures: */ #define POINTER_TO_UINT(x) ((u32_t) (x)) #define UINT_TO_POINTER(x) ((void *) (x)) #define POINTER_TO_INT(x) ((s32_t) (x)) #define INT_TO_POINTER(x) ((void *) (x)) #if !(defined (__CHAR_BIT__) && defined (__SIZEOF_LONG__)) # error Missing required predefined macros for BITS_PER_LONG calculation #endif #define BITS_PER_LONG (__CHAR_BIT__ * __SIZEOF_LONG__) /* Create a contiguous bitmask starting at bit position @l and ending at * position @h. */ #define GENMASK(h, l) \ (((~0UL) - (1UL << (l)) + 1) & (~0UL >> (BITS_PER_LONG - 1 - (h)))) /* Evaluates to 0 if cond is true-ish; compile error otherwise */ #define ZERO_OR_COMPILE_ERROR(cond) ((int) sizeof(char[1 - 2 * !(cond)]) - 1) /* Evaluates to 0 if array is an array; compile error if not array (e.g. * pointer) */ #define IS_ARRAY(array) \ ZERO_OR_COMPILE_ERROR( \ !__builtin_types_compatible_p(__typeof__(array), \ __typeof__(&(array)[0]))) #if defined(__cplusplus) template < class T, size_t N > constexpr size_t ARRAY_SIZE(T(&)[N]) { return N; } #else /* Evaluates to number of elements in an array; compile error if not * an array (e.g. pointer) */ #define ARRAY_SIZE(array) \ ((unsigned long) (IS_ARRAY(array) + \ (sizeof(array) / sizeof((array)[0])))) #endif /* Evaluates to 1 if ptr is part of array, 0 otherwise; compile error if * "array" argument is not an array (e.g. "ptr" and "array" mixed up) */ #define PART_OF_ARRAY(array, ptr) \ ((ptr) && ((ptr) >= &array[0] && (ptr) < &array[ARRAY_SIZE(array)])) #define CONTAINER_OF(ptr, type, field) \ ((type *)(((char *)(ptr)) - offsetof(type, field))) /* round "x" up/down to next multiple of "align" (which must be a power of 2) */ #define ROUND_UP(x, align) \ (((unsigned long)(x) + ((unsigned long)align - 1)) & \ ~((unsigned long)align - 1)) #define ROUND_DOWN(x, align) ((unsigned long)(x) & ~((unsigned long)align - 1)) #define ceiling_fraction(numerator, divider) \ (((numerator) + ((divider) - 1)) / (divider)) #ifdef INLINED #define INLINE inline #else #define INLINE #endif #ifndef MAX #define MAX(a, b) (((a) > (b)) ? (a) : (b)) #endif #ifndef MIN #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #endif static inline bool is_power_of_two(unsigned int x) { return (x != 0U) && ((x & (x - 1)) == 0U); } static inline s64_t arithmetic_shift_right(s64_t value, u8_t shift) { s64_t sign_ext; if (shift == 0U) { return value; } /* extract sign bit */ sign_ext = (value >> 63) & 1; /* make all bits of sign_ext be the same as the value's sign bit */ sign_ext = -sign_ext; /* shift value and fill opened bit positions with sign bit */ return (value >> shift) | (sign_ext << (64 - shift)); } #endif /* !_ASMLANGUAGE */ /* KB, MB, GB */ #define KB(x) ((x) << 10) #define MB(x) (KB(x) << 10) #define GB(x) (MB(x) << 10) /* KHZ, MHZ */ #define KHZ(x) ((x) * 1000) #define MHZ(x) (KHZ(x) * 1000) #ifndef BIT #if defined(_ASMLANGUAGE) #define BIT(n) (1 << (n)) #else #define BIT(n) (1UL << (n)) #endif #endif /** * @brief Macro sets or clears bit depending on boolean value * * @param var Variable to be altered * @param bit Bit number * @param set Value 0 clears bit, any other value sets bit */ #define WRITE_BIT(var, bit, set) \ ((var) = (set) ? ((var) | BIT(bit)) : ((var) & ~BIT(bit))) #define BIT_MASK(n) (BIT(n) - 1) /** * @brief Check for macro definition in compiler-visible expressions * * This trick was pioneered in Linux as the config_enabled() macro. * The madness has the effect of taking a macro value that may be * defined to "1" (e.g. CONFIG_MYFEATURE), or may not be defined at * all and turning it into a literal expression that can be used at * "runtime". That is, it works similarly to * "defined(CONFIG_MYFEATURE)" does except that it is an expansion * that can exist in a standard expression and be seen by the compiler * and optimizer. Thus much ifdef usage can be replaced with cleaner * expressions like: * * if (IS_ENABLED(CONFIG_MYFEATURE)) * myfeature_enable(); * * INTERNAL * First pass just to expand any existing macros, we need the macro * value to be e.g. a literal "1" at expansion time in the next macro, * not "(1)", etc... Standard recursive expansion does not work. */ #define IS_ENABLED(config_macro) Z_IS_ENABLED1(config_macro) /* Now stick on a "_XXXX" prefix, it will now be "_XXXX1" if config_macro * is "1", or just "_XXXX" if it's undefined. * ENABLED: Z_IS_ENABLED2(_XXXX1) * DISABLED Z_IS_ENABLED2(_XXXX) */ #define Z_IS_ENABLED1(config_macro) Z_IS_ENABLED2(_XXXX##config_macro) /* Here's the core trick, we map "_XXXX1" to "_YYYY," (i.e. a string * with a trailing comma), so it has the effect of making this a * two-argument tuple to the preprocessor only in the case where the * value is defined to "1" * ENABLED: _YYYY, <--- note comma! * DISABLED: _XXXX */ #define _XXXX1 _YYYY, /* Then we append an extra argument to fool the gcc preprocessor into * accepting it as a varargs macro. * arg1 arg2 arg3 * ENABLED: Z_IS_ENABLED3(_YYYY, 1, 0) * DISABLED Z_IS_ENABLED3(_XXXX 1, 0) */ #define Z_IS_ENABLED2(one_or_two_args) Z_IS_ENABLED3(one_or_two_args true, false) /* And our second argument is thus now cooked to be 1 in the case * where the value is defined to 1, and 0 if not: */ #define Z_IS_ENABLED3(ignore_this, val, ...) val /** * @brief Insert code depending on result of flag evaluation. * * This is based on same idea as @ref IS_ENABLED macro but as the result of * flag evaluation provided code is injected. Because preprocessor interprets * each comma as an argument boundary, code must be provided in the brackets. * Brackets are stripped away during macro processing. * * Usage example: * * \#define MACRO(x) COND_CODE_1(CONFIG_FLAG, (u32_t x;), ()) * * It can be considered as alternative to: * * \#if defined(CONFIG_FLAG) && (CONFIG_FLAG == 1) * \#define MACRO(x) u32_t x; * \#else * \#define MACRO(x) * \#endif * * However, the advantage of that approach is that code is resolved in place * where it is used while \#if method resolves given macro when header is * included and product is fixed in the given scope. * * @note Flag can also be a result of preprocessor output e.g. * product of NUM_VA_ARGS_LESS_1(...). * * @param _flag Evaluated flag * @param _if_1_code Code used if flag exists and equal 1. Argument must be * in brackets. * @param _else_code Code used if flag doesn't exists or isn't equal 1. * */ #define COND_CODE_1(_flag, _if_1_code, _else_code) \ Z_COND_CODE_1(_flag, _if_1_code, _else_code) #define Z_COND_CODE_1(_flag, _if_1_code, _else_code) \ __COND_CODE(_XXXX##_flag, _if_1_code, _else_code) /** * @brief Insert code depending on result of flag evaluation. * * See @ref COND_CODE_1 for details. * * @param _flag Evaluated flag * @param _if_0_code Code used if flag exists and equal 0. Argument must be * in brackets. * @param _else_code Code used if flag doesn't exists or isn't equal 0. * */ #define COND_CODE_0(_flag, _if_0_code, _else_code) \ Z_COND_CODE_0(_flag, _if_0_code, _else_code) #define Z_COND_CODE_0(_flag, _if_0_code, _else_code) \ __COND_CODE(_ZZZZ##_flag, _if_0_code, _else_code) #define _ZZZZ0 _YYYY, /* Macro used internally by @ref COND_CODE_1 and @ref COND_CODE_0. */ #define __COND_CODE(one_or_two_args, _if_code, _else_code) \ __GET_ARG2_DEBRACKET(one_or_two_args _if_code, _else_code) /* Macro used internally to remove brackets from argument. */ #define __DEBRACKET(...) __VA_ARGS__ /* Macro used internally for getting second argument and removing brackets * around that argument. It is expected that parameter is provided in brackets */ #define __GET_ARG2_DEBRACKET(ignore_this, val, ...) __DEBRACKET val /** * @brief Get first argument from variable list of arguments */ #define GET_ARG1(arg1, ...) arg1 /** * @brief Get second argument from variable list of arguments */ #define GET_ARG2(arg1, arg2, ...) arg2 /** * @brief Get all arguments except the first one. */ #define GET_ARGS_LESS_1(val, ...) __VA_ARGS__ /** * Macros for doing code-generation with the preprocessor. * * Generally it is better to generate code with the preprocessor than * to copy-paste code or to generate code with the build system / * python script's etc. * * http://stackoverflow.com/a/12540675 */ #define UTIL_EMPTY(...) #define UTIL_DEFER(...) __VA_ARGS__ UTIL_EMPTY() #define UTIL_OBSTRUCT(...) __VA_ARGS__ UTIL_DEFER(UTIL_EMPTY)() #define UTIL_EXPAND(...) __VA_ARGS__ #define UTIL_EVAL(...) UTIL_EVAL1(UTIL_EVAL1(UTIL_EVAL1(__VA_ARGS__))) #define UTIL_EVAL1(...) UTIL_EVAL2(UTIL_EVAL2(UTIL_EVAL2(__VA_ARGS__))) #define UTIL_EVAL2(...) UTIL_EVAL3(UTIL_EVAL3(UTIL_EVAL3(__VA_ARGS__))) #define UTIL_EVAL3(...) UTIL_EVAL4(UTIL_EVAL4(UTIL_EVAL4(__VA_ARGS__))) #define UTIL_EVAL4(...) UTIL_EVAL5(UTIL_EVAL5(UTIL_EVAL5(__VA_ARGS__))) #define UTIL_EVAL5(...) __VA_ARGS__ #define UTIL_CAT(a, ...) UTIL_PRIMITIVE_CAT(a, __VA_ARGS__) #define UTIL_PRIMITIVE_CAT(a, ...) a##__VA_ARGS__ #define UTIL_INC(x) UTIL_PRIMITIVE_CAT(UTIL_INC_, x) #define UTIL_INC_0 1 #define UTIL_INC_1 2 #define UTIL_INC_2 3 #define UTIL_INC_3 4 #define UTIL_INC_4 5 #define UTIL_INC_5 6 #define UTIL_INC_6 7 #define UTIL_INC_7 8 #define UTIL_INC_8 9 #define UTIL_INC_9 10 #define UTIL_INC_10 11 #define UTIL_INC_11 12 #define UTIL_INC_12 13 #define UTIL_INC_13 14 #define UTIL_INC_14 15 #define UTIL_INC_15 16 #define UTIL_INC_16 17 #define UTIL_INC_17 18 #define UTIL_INC_18 19 #define UTIL_INC_19 19 #define UTIL_DEC(x) UTIL_PRIMITIVE_CAT(UTIL_DEC_, x) #define UTIL_DEC_0 0 #define UTIL_DEC_1 0 #define UTIL_DEC_2 1 #define UTIL_DEC_3 2 #define UTIL_DEC_4 3 #define UTIL_DEC_5 4 #define UTIL_DEC_6 5 #define UTIL_DEC_7 6 #define UTIL_DEC_8 7 #define UTIL_DEC_9 8 #define UTIL_DEC_10 9 #define UTIL_DEC_11 10 #define UTIL_DEC_12 11 #define UTIL_DEC_13 12 #define UTIL_DEC_14 13 #define UTIL_DEC_15 14 #define UTIL_DEC_16 15 #define UTIL_DEC_17 16 #define UTIL_DEC_18 17 #define UTIL_DEC_19 18 #define UTIL_DEC_20 19 #define UTIL_DEC_21 20 #define UTIL_DEC_22 21 #define UTIL_DEC_23 22 #define UTIL_DEC_24 23 #define UTIL_DEC_25 24 #define UTIL_DEC_26 25 #define UTIL_DEC_27 26 #define UTIL_DEC_28 27 #define UTIL_DEC_29 28 #define UTIL_DEC_30 29 #define UTIL_DEC_31 30 #define UTIL_DEC_32 31 #define UTIL_DEC_33 32 #define UTIL_DEC_34 33 #define UTIL_DEC_35 34 #define UTIL_DEC_36 35 #define UTIL_DEC_37 36 #define UTIL_DEC_38 37 #define UTIL_DEC_39 38 #define UTIL_DEC_40 39 #define UTIL_CHECK_N(x, n, ...) n #define UTIL_CHECK(...) UTIL_CHECK_N(__VA_ARGS__, 0,) #define UTIL_NOT(x) UTIL_CHECK(UTIL_PRIMITIVE_CAT(UTIL_NOT_, x)) #define UTIL_NOT_0 ~, 1, #define UTIL_COMPL(b) UTIL_PRIMITIVE_CAT(UTIL_COMPL_, b) #define UTIL_COMPL_0 1 #define UTIL_COMPL_1 0 #define UTIL_BOOL(x) UTIL_COMPL(UTIL_NOT(x)) #define UTIL_IIF(c) UTIL_PRIMITIVE_CAT(UTIL_IIF_, c) #define UTIL_IIF_0(t, ...) __VA_ARGS__ #define UTIL_IIF_1(t, ...) t #define UTIL_IF(c) UTIL_IIF(UTIL_BOOL(c)) #define UTIL_EAT(...) #define UTIL_EXPAND(...) __VA_ARGS__ #define UTIL_WHEN(c) UTIL_IF(c)(UTIL_EXPAND, UTIL_EAT) #define UTIL_REPEAT(count, macro, ...) \ UTIL_WHEN(count) \ ( \ UTIL_OBSTRUCT(UTIL_REPEAT_INDIRECT) () \ ( \ UTIL_DEC(count), macro, __VA_ARGS__ \ ) \ UTIL_OBSTRUCT(macro) \ ( \ UTIL_DEC(count), __VA_ARGS__ \ ) \ ) #define UTIL_REPEAT_INDIRECT() UTIL_REPEAT /** * Generates a sequence of code. * Useful for generating code like; * * NRF_PWM0, NRF_PWM1, NRF_PWM2, * * @arg LEN: The length of the sequence. Must be defined and less than * 20. * * @arg F(i, F_ARG): A macro function that accepts two arguments. * F is called repeatedly, the first argument * is the index in the sequence, and the second argument is the third * argument given to UTIL_LISTIFY. * * Example: * * \#define FOO(i, _) NRF_PWM ## i , * { UTIL_LISTIFY(PWM_COUNT, FOO) } * The above two lines will generate the below: * { NRF_PWM0 , NRF_PWM1 , } * * @note Calling UTIL_LISTIFY with undefined arguments has undefined * behavior. */ #define UTIL_LISTIFY(LEN, F, F_ARG) UTIL_EVAL(UTIL_REPEAT(LEN, F, F_ARG)) /**@brief Implementation details for NUM_VAR_ARGS */ #define NUM_VA_ARGS_LESS_1_IMPL( \ _ignored, \ _0, _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, N, ...) N /**@brief Macro to get the number of arguments in a call variadic macro call. * First argument is not counted. * * param[in] ... List of arguments * * @retval Number of variadic arguments in the argument list */ #define NUM_VA_ARGS_LESS_1(...) \ NUM_VA_ARGS_LESS_1_IMPL(__VA_ARGS__, 63, 62, 61, \ 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, \ 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, \ 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, \ 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, \ 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, \ 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, ~) /** * @brief Mapping macro * * Macro that process all arguments using given macro * * @param ... Macro name to be used for argument processing followed by * arguments to process. Macro should have following * form: MACRO(argument). * * @return All arguments processed by given macro */ #define MACRO_MAP(...) MACRO_MAP_(__VA_ARGS__) #define MACRO_MAP_(...) \ /* To make sure it works also for 2 arguments in total */ \ MACRO_MAP_N(NUM_VA_ARGS_LESS_1(__VA_ARGS__), __VA_ARGS__) /** * @brief Mapping N arguments macro * * Macro similar to @ref MACRO_MAP but maps exact number of arguments. * If there is more arguments given, the rest would be ignored. * * @param N Number of arguments to map * @param ... Macro name to be used for argument processing followed by * arguments to process. Macro should have following * form: MACRO(argument). * * @return Selected number of arguments processed by given macro */ #define MACRO_MAP_N(N, ...) MACRO_MAP_N_(N, __VA_ARGS__) #define MACRO_MAP_N_(N, ...) UTIL_CAT(MACRO_MAP_, N)(__VA_ARGS__,) #define MACRO_MAP_0(...) #define MACRO_MAP_1(macro, a, ...) macro(a) #define MACRO_MAP_2(macro, a, ...) macro(a)MACRO_MAP_1(macro, __VA_ARGS__,) #define MACRO_MAP_3(macro, a, ...) macro(a)MACRO_MAP_2(macro, __VA_ARGS__,) #define MACRO_MAP_4(macro, a, ...) macro(a)MACRO_MAP_3(macro, __VA_ARGS__,) #define MACRO_MAP_5(macro, a, ...) macro(a)MACRO_MAP_4(macro, __VA_ARGS__,) #define MACRO_MAP_6(macro, a, ...) macro(a)MACRO_MAP_5(macro, __VA_ARGS__,) #define MACRO_MAP_7(macro, a, ...) macro(a)MACRO_MAP_6(macro, __VA_ARGS__,) #define MACRO_MAP_8(macro, a, ...) macro(a)MACRO_MAP_7(macro, __VA_ARGS__,) #define MACRO_MAP_9(macro, a, ...) macro(a)MACRO_MAP_8(macro, __VA_ARGS__,) #define MACRO_MAP_10(macro, a, ...) macro(a)MACRO_MAP_9(macro, __VA_ARGS__,) #define MACRO_MAP_11(macro, a, ...) macro(a)MACRO_MAP_10(macro, __VA_ARGS__,) #define MACRO_MAP_12(macro, a, ...) macro(a)MACRO_MAP_11(macro, __VA_ARGS__,) #define MACRO_MAP_13(macro, a, ...) macro(a)MACRO_MAP_12(macro, __VA_ARGS__,) #define MACRO_MAP_14(macro, a, ...) macro(a)MACRO_MAP_13(macro, __VA_ARGS__,) #define MACRO_MAP_15(macro, a, ...) macro(a)MACRO_MAP_14(macro, __VA_ARGS__,) /* * The following provides variadic preprocessor macro support to * help eliminate multiple, repetitive function/macro calls. This * allows up to 10 "arguments" in addition to z_call . * Note - derived from work on: * https://codecraft.co/2014/11/25/variadic-macros-tricks/ */ #define Z_GET_ARG(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, N, ...) N #define _for_0(z_call, ...) #define _for_1(z_call, x) z_call(x) #define _for_2(z_call, x, ...) z_call(x) _for_1(z_call, ##__VA_ARGS__) #define _for_3(z_call, x, ...) z_call(x) _for_2(z_call, ##__VA_ARGS__) #define _for_4(z_call, x, ...) z_call(x) _for_3(z_call, ##__VA_ARGS__) #define _for_5(z_call, x, ...) z_call(x) _for_4(z_call, ##__VA_ARGS__) #define _for_6(z_call, x, ...) z_call(x) _for_5(z_call, ##__VA_ARGS__) #define _for_7(z_call, x, ...) z_call(x) _for_6(z_call, ##__VA_ARGS__) #define _for_8(z_call, x, ...) z_call(x) _for_7(z_call, ##__VA_ARGS__) #define _for_9(z_call, x, ...) z_call(x) _for_8(z_call, ##__VA_ARGS__) #define _for_10(z_call, x, ...) z_call(x) _for_9(z_call, ##__VA_ARGS__) #define FOR_EACH(x, ...) \ Z_GET_ARG(__VA_ARGS__, \ _for_10, _for_9, _for_8, _for_7, _for_6, _for_5, \ _for_4, _for_3, _for_2, _for_1, _for_0)(x, ##__VA_ARGS__) /* FOR_EACH_FIXED_ARG is used for calling the same function * With one fixed argument and changing 2nd argument. */ #define z_rep_0(_fn, f, ...) #define z_rep_1(_fn, f, x) {_fn(x, f); z_rep_0(_fn, f)} #define z_rep_2(_fn, f, x, ...) {_fn(x, f); z_rep_1(_fn, f, ##__VA_ARGS__)} #define z_rep_3(_fn, f, x, ...) {_fn(x, f); z_rep_2(_fn, f, ##__VA_ARGS__)} #define z_rep_4(_fn, f, x, ...) {_fn(x, f); z_rep_3(_fn, f, ##__VA_ARGS__)} #define z_rep_5(_fn, f, x, ...) {_fn(x, f); z_rep_4(_fn, f, ##__VA_ARGS__)} #define z_rep_6(_fn, f, x, ...) {_fn(x, f); z_rep_5(_fn, f, ##__VA_ARGS__)} #define z_rep_7(_fn, f, x, ...) {_fn(x, f); z_rep_6(_fn, f, ##__VA_ARGS__)} #define z_rep_8(_fn, f, x, ...) {_fn(x, f); z_rep_7(_fn, f, ##__VA_ARGS__)} #define z_rep_9(_fn, f, x, ...) {_fn(x, f); z_rep_8(_fn, f, ##__VA_ARGS__)} #define z_rep_10(_fn, f, x, ...) {_fn(x, f); z_rep_9(_fn, f, ##__VA_ARGS__)} #define z_rep_11(_fn, f, x, ...) {_fn(x, f); z_rep_10(_fn, f, ##__VA_ARGS__)} #define z_rep_12(_fn, f, x, ...) {_fn(x, f); z_rep_11(_fn, f, ##__VA_ARGS__)} #define z_rep_13(_fn, f, x, ...) {_fn(x, f); z_rep_12(_fn, f, ##__VA_ARGS__)} #define z_rep_14(_fn, f, x, ...) {_fn(x, f); z_rep_13(_fn, f, ##__VA_ARGS__)} #define z_rep_15(_fn, f, x, ...) {_fn(x, f); z_rep_14(_fn, f, ##__VA_ARGS__)} #define z_rep_16(_fn, f, x, ...) {_fn(x, f); z_rep_15(_fn, f, ##__VA_ARGS__)} #define z_rep_17(_fn, f, x, ...) {_fn(x, f); z_rep_16(_fn, f, ##__VA_ARGS__)} #define z_rep_18(_fn, f, x, ...) {_fn(x, f); z_rep_17(_fn, f, ##__VA_ARGS__)} #define z_rep_19(_fn, f, x, ...) {_fn(x, f); z_rep_18(_fn, f, ##__VA_ARGS__)} #define z_rep_20(_fn, f, x, ...) {_fn(x, f); z_rep_19(_fn, f, ##__VA_ARGS__)} #define Z_GET_ARG_2(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, \ _14, _15, _16, _17, _18, _19, _20, N, ...) N #define FOR_EACH_FIXED_ARG(fixed_arg, x, ...) \ {Z_GET_ARG_2(__VA_ARGS__, \ z_rep_20, z_rep_19, z_rep_18, z_rep_17, z_rep_16, \ z_rep_15, z_rep_14, z_rep_13, z_rep_12, z_rep_11, \ z_rep_10, z_rep_9, z_rep_8, z_rep_7, z_rep_6, \ z_rep_5, z_rep_4, z_rep_3, z_rep_2, z_rep_1, z_rep_0) \ (fixed_arg, x, ##__VA_ARGS__)} #endif /* ZEPHYR_INCLUDE_MISC_UTIL_H_ */ |