projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| d4697bc9 | 1 | /* Copyright (C) 1991-2014 Free Software Foundation, Inc. |
| 2c6fe0bd | 2 | This file is part of the GNU C Library. |
| 28f540f4 | 3 | |
| 2c6fe0bd | 4 | The GNU C Library is free software; you can redistribute it and/or |
| 41bdb6e2 AJ |
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. | |
| 28f540f4 | 8 | |
| 2c6fe0bd UD |
9 | The GNU C 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 | |
| 41bdb6e2 | 12 | Lesser General Public License for more details. |
| 28f540f4 | 13 | |
| 41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ | |
| 28f540f4 | 17 | |
| 28f540f4 RM |
18 | #include <errno.h> |
| 19 | #include <limits.h> | |
| 23396375 UD |
20 | #include <grp.h> |
| 21 | #include <pwd.h> | |
| 28f540f4 RM |
22 | #include <stddef.h> |
| 23 | #include <stdio.h> | |
| 28f367c4 UD |
24 | #include <stdlib.h> |
| 25 | #include <string.h> | |
| 28f540f4 | 26 | #include <time.h> |
| 23396375 | 27 | #include <unistd.h> |
| 9cddf9de | 28 | #include <sys/param.h> |
| 28f367c4 | 29 | #include <sys/stat.h> |
| 845dcb57 | 30 | #include <sys/sysinfo.h> |
| 9281f45d UD |
31 | #include <sys/types.h> |
| 32 | #include <regex.h> | |
| 28f540f4 | 33 | |
| 28f540f4 | 34 | |
| 77474ccd RM |
35 | #define NEED_CHECK_SPEC \ |
| 36 | (!defined _XBS5_ILP32_OFF32 || !defined _XBS5_ILP32_OFFBIG \ | |
| 37 | || !defined _XBS5_LP64_OFF64 || !defined _XBS5_LPBIG_OFFBIG \ | |
| 38 | || !defined _POSIX_V6_ILP32_OFF32 || !defined _POSIX_V6_ILP32_OFFBIG \ | |
| 26b62243 UD |
39 | || !defined _POSIX_V6_LP64_OFF64 || !defined _POSIX_V6_LPBIG_OFFBIG \ |
| 40 | || !defined _POSIX_V7_ILP32_OFF32 || !defined _POSIX_V7_ILP32_OFFBIG \ | |
| 41 | || !defined _POSIX_V7_LP64_OFF64 || !defined _POSIX_V7_LPBIG_OFFBIG) | |
| 77474ccd | 42 | #if NEED_CHECK_SPEC |
| 28f367c4 | 43 | static long int __sysconf_check_spec (const char *spec); |
| 77474ccd | 44 | #endif |
| 28f367c4 UD |
45 | |
| 46 | ||
| 28f540f4 RM |
47 | /* Get the value of the system variable NAME. */ |
| 48 | long int | |
| 036cc82f RM |
49 | __sysconf (name) |
| 50 | int name; | |
| 28f540f4 RM |
51 | { |
| 52 | switch (name) | |
| 53 | { | |
| 7780fd93 UD |
54 | /* Also add obsolete or unnecessarily added constants here. */ |
| 55 | case _SC_EQUIV_CLASS_MAX: | |
| 28f540f4 | 56 | default: |
| c4029823 | 57 | __set_errno (EINVAL); |
| 28f540f4 RM |
58 | return -1; |
| 59 | ||
| 60 | case _SC_ARG_MAX: | |
| 61 | #ifdef ARG_MAX | |
| 62 | return ARG_MAX; | |
| 63 | #else | |
| 64 | return -1; | |
| 65 | #endif | |
| 66 | ||
| 67 | case _SC_CHILD_MAX: | |
| 68 | #ifdef CHILD_MAX | |
| 69 | return CHILD_MAX; | |
| 70 | #else | |
| aeb2153c | 71 | return __get_child_max (); |
| 28f540f4 RM |
72 | #endif |
| 73 | ||
| 74 | case _SC_CLK_TCK: | |
| 25b3dd49 | 75 | return __getclktck (); |
| 28f540f4 RM |
76 | |
| 77 | case _SC_NGROUPS_MAX: | |
| 78 | #ifdef NGROUPS_MAX | |
| 79 | return NGROUPS_MAX; | |
| 80 | #else | |
| 81 | return -1; | |
| 82 | #endif | |
| 83 | ||
| 84 | case _SC_OPEN_MAX: | |
| 85 | return __getdtablesize (); | |
| 86 | ||
| 87 | case _SC_STREAM_MAX: | |
| 60478656 RM |
88 | #ifdef STREAM_MAX |
| 89 | return STREAM_MAX; | |
| 90 | #else | |
| 28f540f4 | 91 | return FOPEN_MAX; |
| 60478656 | 92 | #endif |
| 28f540f4 RM |
93 | |
| 94 | case _SC_TZNAME_MAX: | |
| 9cddf9de | 95 | return MAX (__tzname_max (), _POSIX_TZNAME_MAX); |
| 28f540f4 RM |
96 | |
| 97 | case _SC_JOB_CONTROL: | |
| 182ed12e RM |
98 | #if _POSIX_JOB_CONTROL > 0 |
| 99 | return _POSIX_JOB_CONTROL; | |
| 28f540f4 RM |
100 | #else |
| 101 | return -1; | |
| 102 | #endif | |
| 75cd5204 | 103 | |
| 28f540f4 | 104 | case _SC_SAVED_IDS: |
| 182ed12e | 105 | #if _POSIX_SAVED_IDS > 0 |
| 28f540f4 RM |
106 | return 1; |
| 107 | #else | |
| 108 | return -1; | |
| 109 | #endif | |
| 75cd5204 RM |
110 | |
| 111 | case _SC_REALTIME_SIGNALS: | |
| 182ed12e | 112 | #if _POSIX_REALTIME_SIGNALS > 0 |
| fbf86dda | 113 | return _POSIX_REALTIME_SIGNALS; |
| 75cd5204 RM |
114 | #else |
| 115 | return -1; | |
| 116 | #endif | |
| 117 | ||
| 118 | case _SC_PRIORITY_SCHEDULING: | |
| 182ed12e | 119 | #if _POSIX_PRIORITY_SCHEDULING > 0 |
| fbf86dda | 120 | return _POSIX_PRIORITY_SCHEDULING; |
| 75cd5204 RM |
121 | #else |
| 122 | return -1; | |
| 123 | #endif | |
| 124 | ||
| 125 | case _SC_TIMERS: | |
| 182ed12e | 126 | #if _POSIX_TIMERS > 0 |
| fbf86dda | 127 | return _POSIX_TIMERS; |
| 75cd5204 RM |
128 | #else |
| 129 | return -1; | |
| 130 | #endif | |
| 131 | ||
| 132 | case _SC_ASYNCHRONOUS_IO: | |
| 182ed12e | 133 | #if _POSIX_ASYNCHRONOUS_IO > 0 |
| fbf86dda | 134 | return _POSIX_ASYNCHRONOUS_IO; |
| 75cd5204 RM |
135 | #else |
| 136 | return -1; | |
| 137 | #endif | |
| 138 | ||
| 139 | case _SC_PRIORITIZED_IO: | |
| 182ed12e | 140 | #if _POSIX_PRIORITIZED_IO > 0 |
| fbf86dda | 141 | return _POSIX_PRIORITIZED_IO; |
| 75cd5204 RM |
142 | #else |
| 143 | return -1; | |
| 144 | #endif | |
| 145 | ||
| 146 | case _SC_SYNCHRONIZED_IO: | |
| 182ed12e | 147 | #if _POSIX_SYNCHRONIZED_IO > 0 |
| fbf86dda | 148 | return _POSIX_SYNCHRONIZED_IO; |
| 75cd5204 RM |
149 | #else |
| 150 | return -1; | |
| 151 | #endif | |
| 152 | ||
| 153 | case _SC_FSYNC: | |
| 182ed12e | 154 | #if _POSIX_FSYNC > 0 |
| fbf86dda | 155 | return _POSIX_FSYNC; |
| 75cd5204 RM |
156 | #else |
| 157 | return -1; | |
| 158 | #endif | |
| 159 | ||
| 160 | case _SC_MAPPED_FILES: | |
| 182ed12e | 161 | #if _POSIX_MAPPED_FILES > 0 |
| fbf86dda | 162 | return _POSIX_MAPPED_FILES; |
| 75cd5204 RM |
163 | #else |
| 164 | return -1; | |
| 165 | #endif | |
| 166 | ||
| 167 | case _SC_MEMLOCK: | |
| 182ed12e | 168 | #if _POSIX_MEMLOCK > 0 |
| fbf86dda | 169 | return _POSIX_MEMLOCK; |
| 75cd5204 RM |
170 | #else |
| 171 | return -1; | |
| 172 | #endif | |
| 173 | ||
| 174 | case _SC_MEMLOCK_RANGE: | |
| 182ed12e | 175 | #if _POSIX_MEMLOCK_RANGE > 0 |
| fbf86dda | 176 | return _POSIX_MEMLOCK_RANGE; |
| 75cd5204 RM |
177 | #else |
| 178 | return -1; | |
| 179 | #endif | |
| 180 | ||
| 181 | case _SC_MEMORY_PROTECTION: | |
| 182ed12e | 182 | #if _POSIX_MEMORY_PROTECTION > 0 |
| fbf86dda | 183 | return _POSIX_MEMORY_PROTECTION; |
| 75cd5204 RM |
184 | #else |
| 185 | return -1; | |
| 186 | #endif | |
| 187 | ||
| 188 | case _SC_MESSAGE_PASSING: | |
| 182ed12e | 189 | #if _POSIX_MESSAGE_PASSING > 0 |
| fbf86dda | 190 | return _POSIX_MESSAGE_PASSING; |
| 75cd5204 RM |
191 | #else |
| 192 | return -1; | |
| 193 | #endif | |
| 194 | ||
| 195 | case _SC_SEMAPHORES: | |
| 182ed12e | 196 | #if _POSIX_SEMAPHORES > 0 |
| fbf86dda | 197 | return _POSIX_SEMAPHORES; |
| 75cd5204 RM |
198 | #else |
| 199 | return -1; | |
| 200 | #endif | |
| 201 | ||
| 202 | case _SC_SHARED_MEMORY_OBJECTS: | |
| 182ed12e | 203 | #if _POSIX_SHARED_MEMORY_OBJECTS > 0 |
| fbf86dda | 204 | return _POSIX_SHARED_MEMORY_OBJECTS; |
| 75cd5204 RM |
205 | #else |
| 206 | return -1; | |
| 207 | #endif | |
| 208 | ||
| 28f540f4 RM |
209 | case _SC_VERSION: |
| 210 | return _POSIX_VERSION; | |
| 211 | ||
| 212 | case _SC_PAGESIZE: | |
| 213 | return __getpagesize (); | |
| 214 | ||
| 0e3426bb RM |
215 | case _SC_AIO_LISTIO_MAX: |
| 216 | #ifdef AIO_LISTIO_MAX | |
| 217 | return AIO_LISTIO_MAX; | |
| 218 | #else | |
| 219 | return -1; | |
| 220 | #endif | |
| 221 | ||
| 222 | case _SC_AIO_MAX: | |
| 223 | #ifdef AIO_MAX | |
| 224 | return AIO_MAX; | |
| 225 | #else | |
| 226 | return -1; | |
| 227 | #endif | |
| 228 | ||
| 229 | case _SC_AIO_PRIO_DELTA_MAX: | |
| 230 | #ifdef AIO_PRIO_DELTA_MAX | |
| 231 | return AIO_PRIO_DELTA_MAX; | |
| 232 | #else | |
| 233 | return -1; | |
| 234 | #endif | |
| 235 | ||
| 236 | case _SC_DELAYTIMER_MAX: | |
| 237 | #ifdef DELAYTIMER_MAX | |
| 238 | return DELAYTIMER_MAX; | |
| 239 | #else | |
| 240 | return -1; | |
| 241 | #endif | |
| 242 | ||
| 243 | case _SC_MQ_OPEN_MAX: | |
| 244 | #ifdef MQ_OPEN_MAX | |
| 245 | return MQ_OPEN_MAX; | |
| 246 | #else | |
| 247 | return -1; | |
| 248 | #endif | |
| 249 | ||
| 250 | case _SC_MQ_PRIO_MAX: | |
| 251 | #ifdef MQ_PRIO_MAX | |
| 252 | return MQ_PRIO_MAX; | |
| 253 | #else | |
| 254 | return -1; | |
| 255 | #endif | |
| 256 | ||
| 257 | case _SC_RTSIG_MAX: | |
| 258 | #ifdef RTSIG_MAX | |
| 259 | return RTSIG_MAX; | |
| 260 | #else | |
| 261 | return -1; | |
| 262 | #endif | |
| 263 | ||
| 264 | case _SC_SEM_NSEMS_MAX: | |
| 265 | #ifdef SEM_NSEMS_MAX | |
| 266 | return SEM_NSEMS_MAX; | |
| 267 | #else | |
| 268 | return -1; | |
| 269 | #endif | |
| 270 | ||
| 271 | case _SC_SEM_VALUE_MAX: | |
| 272 | #ifdef SEM_VALUE_MAX | |
| 273 | return SEM_VALUE_MAX; | |
| 274 | #else | |
| 275 | return -1; | |
| 276 | #endif | |
| 277 | ||
| 278 | case _SC_SIGQUEUE_MAX: | |
| 279 | #ifdef SIGQUEUE_MAX | |
| 280 | return SIGQUEUE_MAX; | |
| 281 | #else | |
| 282 | return -1; | |
| 283 | #endif | |
| 284 | ||
| 285 | case _SC_TIMER_MAX: | |
| 286 | #ifdef TIMER_MAX | |
| 287 | return TIMER_MAX; | |
| 288 | #else | |
| 289 | return -1; | |
| 290 | #endif | |
| 291 | ||
| 28f540f4 RM |
292 | case _SC_BC_BASE_MAX: |
| 293 | #ifdef BC_BASE_MAX | |
| 294 | return BC_BASE_MAX; | |
| 295 | #else | |
| 296 | return -1; | |
| 297 | #endif | |
| 298 | ||
| 299 | case _SC_BC_DIM_MAX: | |
| 300 | #ifdef BC_DIM_MAX | |
| 301 | return BC_DIM_MAX; | |
| 302 | #else | |
| 303 | return -1; | |
| 304 | #endif | |
| 305 | ||
| 306 | case _SC_BC_SCALE_MAX: | |
| 307 | #ifdef BC_SCALE_MAX | |
| 308 | return BC_SCALE_MAX; | |
| 309 | #else | |
| 310 | return -1; | |
| 311 | #endif | |
| 312 | ||
| 313 | case _SC_BC_STRING_MAX: | |
| 314 | #ifdef BC_STRING_MAX | |
| 315 | return BC_STRING_MAX; | |
| 316 | #else | |
| 317 | return -1; | |
| 318 | #endif | |
| 319 | ||
| 036cc82f RM |
320 | case _SC_COLL_WEIGHTS_MAX: |
| 321 | #ifdef COLL_WEIGHTS_MAX | |
| 322 | return COLL_WEIGHTS_MAX; | |
| 323 | #else | |
| 324 | return -1; | |
| 325 | #endif | |
| 326 | ||
| 28f540f4 RM |
327 | case _SC_EXPR_NEST_MAX: |
| 328 | #ifdef EXPR_NEST_MAX | |
| 329 | return EXPR_NEST_MAX; | |
| 330 | #else | |
| 331 | return -1; | |
| 332 | #endif | |
| 333 | ||
| 334 | case _SC_LINE_MAX: | |
| 335 | #ifdef LINE_MAX | |
| 336 | return LINE_MAX; | |
| 337 | #else | |
| 338 | return -1; | |
| 339 | #endif | |
| 340 | ||
| 341 | case _SC_RE_DUP_MAX: | |
| 342 | #ifdef RE_DUP_MAX | |
| 343 | return RE_DUP_MAX; | |
| 344 | #else | |
| 345 | return -1; | |
| 346 | #endif | |
| 347 | ||
| 75cd5204 RM |
348 | case _SC_CHARCLASS_NAME_MAX: |
| 349 | #ifdef CHARCLASS_NAME_MAX | |
| 350 | return CHARCLASS_NAME_MAX; | |
| 351 | #else | |
| 352 | return -1; | |
| 353 | #endif | |
| 28f540f4 | 354 | |
| 503054c0 | 355 | case _SC_PII: |
| 182ed12e | 356 | #if _POSIX_PII > 0 |
| 503054c0 RM |
357 | return 1; |
| 358 | #else | |
| 359 | return -1; | |
| 360 | #endif | |
| 361 | ||
| 362 | case _SC_PII_XTI: | |
| 182ed12e | 363 | #if _POSIX_PII_XTI > 0 |
| 503054c0 RM |
364 | return 1; |
| 365 | #else | |
| 366 | return -1; | |
| 367 | #endif | |
| 368 | ||
| 369 | case _SC_PII_SOCKET: | |
| 182ed12e | 370 | #if _POSIX_PII_SOCKET > 0 |
| 503054c0 RM |
371 | return 1; |
| 372 | #else | |
| 373 | return -1; | |
| 374 | #endif | |
| 375 | ||
| 376 | case _SC_PII_INTERNET: | |
| 182ed12e | 377 | #if _POSIX_PII_INTERNET > 0 |
| 503054c0 RM |
378 | return 1; |
| 379 | #else | |
| 380 | return -1; | |
| 381 | #endif | |
| 382 | ||
| 383 | case _SC_PII_OSI: | |
| 182ed12e | 384 | #if _POSIX_PII_OSI > 0 |
| 503054c0 RM |
385 | return 1; |
| 386 | #else | |
| 387 | return -1; | |
| 388 | #endif | |
| 389 | ||
| 390 | case _SC_POLL: | |
| 182ed12e | 391 | #if _POSIX_POLL > 0 |
| 503054c0 RM |
392 | return 1; |
| 393 | #else | |
| 394 | return -1; | |
| 395 | #endif | |
| 396 | ||
| 397 | case _SC_SELECT: | |
| 182ed12e | 398 | #if _POSIX_SELECT > 0 |
| 503054c0 RM |
399 | return 1; |
| 400 | #else | |
| 401 | return -1; | |
| 402 | #endif | |
| 403 | ||
| 7780fd93 | 404 | /* The same as _SC_IOV_MAX. */ |
| 503054c0 RM |
405 | case _SC_UIO_MAXIOV: |
| 406 | #ifdef UIO_MAXIOV | |
| 407 | return UIO_MAXIOV; | |
| 408 | #else | |
| 409 | return -1; | |
| 410 | #endif | |
| 411 | ||
| 412 | case _SC_PII_INTERNET_STREAM: | |
| 182ed12e | 413 | #if _POSIX_PII_INTERNET_STREAM > 0 |
| 503054c0 RM |
414 | return 1; |
| 415 | #else | |
| 416 | return -1; | |
| 417 | #endif | |
| 418 | ||
| 419 | case _SC_PII_INTERNET_DGRAM: | |
| 182ed12e | 420 | #if _POSIX_PII_INTERNET_DGRAM > 0 |
| 503054c0 RM |
421 | return 1; |
| 422 | #else | |
| 423 | return -1; | |
| 424 | #endif | |
| 425 | ||
| 426 | case _SC_PII_OSI_COTS: | |
| 182ed12e | 427 | #if _POSIX_PII_OSI_COTS > 0 |
| 503054c0 RM |
428 | return 1; |
| 429 | #else | |
| 430 | return -1; | |
| 431 | #endif | |
| 432 | ||
| 433 | case _SC_PII_OSI_CLTS: | |
| 182ed12e | 434 | #if _POSIX_PII_OSI_CLTS > 0 |
| 503054c0 RM |
435 | return 1; |
| 436 | #else | |
| 437 | return -1; | |
| 438 | #endif | |
| 439 | ||
| 440 | case _SC_PII_OSI_M: | |
| 182ed12e | 441 | #if _POSIX_PII_OSI_M > 0 |
| 503054c0 RM |
442 | return 1; |
| 443 | #else | |
| 444 | return -1; | |
| 445 | #endif | |
| 446 | ||
| 447 | case _SC_T_IOV_MAX: | |
| 448 | #ifdef _T_IOV_MAX | |
| 449 | return _T_IOV_MAX; | |
| 450 | #else | |
| 451 | return -1; | |
| 452 | #endif | |
| 453 | ||
| 28f540f4 | 454 | case _SC_2_VERSION: |
| 9756dfe1 | 455 | return _POSIX2_VERSION; |
| 28f540f4 RM |
456 | |
| 457 | case _SC_2_C_BIND: | |
| 458 | #ifdef _POSIX2_C_BIND | |
| 459 | return _POSIX2_C_BIND; | |
| 460 | #else | |
| 461 | return -1; | |
| 462 | #endif | |
| 463 | ||
| 464 | case _SC_2_C_DEV: | |
| 465 | #ifdef _POSIX2_C_DEV | |
| 466 | return _POSIX2_C_DEV; | |
| 467 | #else | |
| 468 | return -1; | |
| 469 | #endif | |
| 470 | ||
| 2c6fe0bd UD |
471 | case _SC_2_C_VERSION: |
| 472 | #ifdef _POSIX2_C_VERSION | |
| 473 | return _POSIX2_C_VERSION; | |
| 474 | #else | |
| 475 | return -1; | |
| 476 | #endif | |
| 477 | ||
| 28f540f4 RM |
478 | case _SC_2_FORT_DEV: |
| 479 | #ifdef _POSIX2_FORT_DEV | |
| 480 | return _POSIX2_FORT_DEV; | |
| 481 | #else | |
| 482 | return -1; | |
| 483 | #endif | |
| 484 | ||
| 7780fd93 UD |
485 | case _SC_2_FORT_RUN: |
| 486 | #ifdef _POSIX2_FORT_RUN | |
| 487 | return _POSIX2_FORT_RUN; | |
| 488 | #else | |
| 489 | return -1; | |
| 490 | #endif | |
| 491 | ||
| 60478656 RM |
492 | case _SC_2_LOCALEDEF: |
| 493 | #ifdef _POSIX2_LOCALEDEF | |
| 494 | return _POSIX2_LOCALEDEF; | |
| 495 | #else | |
| 496 | return -1; | |
| 497 | #endif | |
| 498 | ||
| 28f540f4 RM |
499 | case _SC_2_SW_DEV: |
| 500 | #ifdef _POSIX2_SW_DEV | |
| 501 | return _POSIX2_SW_DEV; | |
| 502 | #else | |
| 503 | return -1; | |
| 504 | #endif | |
| 23396375 | 505 | |
| 2c6fe0bd UD |
506 | case _SC_2_CHAR_TERM: |
| 507 | #ifdef _POSIX2_CHAR_TERM | |
| 508 | return _POSIX2_CHAR_TERM; | |
| 509 | #else | |
| 510 | return -1; | |
| 511 | #endif | |
| 512 | ||
| 513 | case _SC_2_UPE: | |
| 514 | #ifdef _POSIX2_UPE | |
| 515 | return _POSIX2_UPE; | |
| 516 | #else | |
| 517 | return -1; | |
| 518 | #endif | |
| 519 | ||
| 23396375 UD |
520 | /* POSIX 1003.1c (POSIX Threads). */ |
| 521 | case _SC_THREADS: | |
| 182ed12e | 522 | #if _POSIX_THREADS > 0 |
| fbf86dda | 523 | return _POSIX_THREADS; |
| 23396375 UD |
524 | #else |
| 525 | return -1; | |
| 526 | #endif | |
| 527 | ||
| 528 | case _SC_THREAD_SAFE_FUNCTIONS: | |
| 182ed12e | 529 | #if _POSIX_THREAD_SAFE_FUNCTIONS > 0 |
| fbf86dda | 530 | return _POSIX_THREAD_SAFE_FUNCTIONS; |
| 23396375 UD |
531 | #else |
| 532 | return -1; | |
| 533 | #endif | |
| 534 | ||
| 535 | case _SC_GETGR_R_SIZE_MAX: | |
| 23396375 | 536 | return NSS_BUFLEN_GROUP; |
| 23396375 UD |
537 | |
| 538 | case _SC_GETPW_R_SIZE_MAX: | |
| 23396375 | 539 | return NSS_BUFLEN_PASSWD; |
| 23396375 UD |
540 | |
| 541 | case _SC_LOGIN_NAME_MAX: | |
| 46d7e2ba UD |
542 | #ifdef LOGIN_NAME_MAX |
| 543 | return LOGIN_NAME_MAX; | |
| 23396375 UD |
544 | #else |
| 545 | return -1; | |
| 546 | #endif | |
| 547 | ||
| 548 | case _SC_TTY_NAME_MAX: | |
| 46d7e2ba UD |
549 | #ifdef TTY_NAME_MAX |
| 550 | return TTY_NAME_MAX; | |
| 23396375 UD |
551 | #else |
| 552 | return -1; | |
| 553 | #endif | |
| 554 | ||
| 555 | case _SC_THREAD_DESTRUCTOR_ITERATIONS: | |
| 182ed12e | 556 | #if _POSIX_THREAD_DESTRUCTOR_ITERATIONS > 0 |
| edf5b2d7 | 557 | return _POSIX_THREAD_DESTRUCTOR_ITERATIONS; |
| 23396375 UD |
558 | #else |
| 559 | return -1; | |
| 560 | #endif | |
| 561 | ||
| 562 | case _SC_THREAD_KEYS_MAX: | |
| 563 | #ifdef PTHREAD_KEYS_MAX | |
| 564 | return PTHREAD_KEYS_MAX; | |
| 565 | #else | |
| 566 | return -1; | |
| 567 | #endif | |
| 568 | ||
| 569 | case _SC_THREAD_STACK_MIN: | |
| 570 | #ifdef PTHREAD_STACK_MIN | |
| 571 | return PTHREAD_STACK_MIN; | |
| 572 | #else | |
| 573 | return -1; | |
| 574 | #endif | |
| 575 | ||
| 576 | case _SC_THREAD_THREADS_MAX: | |
| 577 | #ifdef PTHREAD_THREADS_MAX | |
| 578 | return PTHREAD_THREADS_MAX; | |
| 579 | #else | |
| 580 | return -1; | |
| 581 | #endif | |
| 582 | ||
| 583 | case _SC_THREAD_ATTR_STACKADDR: | |
| 182ed12e | 584 | #if _POSIX_THREAD_ATTR_STACKADDR > 0 |
| fbf86dda | 585 | return _POSIX_THREAD_ATTR_STACKADDR; |
| 23396375 UD |
586 | #else |
| 587 | return -1; | |
| 588 | #endif | |
| 589 | ||
| 590 | case _SC_THREAD_ATTR_STACKSIZE: | |
| 182ed12e | 591 | #if _POSIX_THREAD_ATTR_STACKSIZE > 0 |
| fbf86dda | 592 | return _POSIX_THREAD_ATTR_STACKSIZE; |
| 23396375 UD |
593 | #else |
| 594 | return -1; | |
| 595 | #endif | |
| 596 | ||
| 597 | case _SC_THREAD_PRIORITY_SCHEDULING: | |
| 182ed12e | 598 | #if _POSIX_THREAD_PRIORITY_SCHEDULING > 0 |
| fbf86dda | 599 | return _POSIX_THREAD_PRIORITY_SCHEDULING; |
| 23396375 UD |
600 | #else |
| 601 | return -1; | |
| 602 | #endif | |
| 603 | ||
| 604 | case _SC_THREAD_PRIO_INHERIT: | |
| 182ed12e | 605 | #if _POSIX_THREAD_PRIO_INHERIT > 0 |
| fbf86dda | 606 | return _POSIX_THREAD_PRIO_INHERIT; |
| 23396375 UD |
607 | #else |
| 608 | return -1; | |
| 609 | #endif | |
| 610 | ||
| 611 | case _SC_THREAD_PRIO_PROTECT: | |
| 182ed12e | 612 | #if _POSIX_THREAD_PRIO_PROTECT > 0 |
| fbf86dda | 613 | return _POSIX_THREAD_PRIO_PROTECT; |
| 23396375 UD |
614 | #else |
| 615 | return -1; | |
| 616 | #endif | |
| 617 | ||
| 618 | case _SC_THREAD_PROCESS_SHARED: | |
| 182ed12e | 619 | #if _POSIX_THREAD_PROCESS_SHARED > 0 |
| fbf86dda | 620 | return _POSIX_THREAD_PROCESS_SHARED; |
| 23396375 UD |
621 | #else |
| 622 | return -1; | |
| 623 | #endif | |
| 845dcb57 UD |
624 | |
| 625 | case _SC_NPROCESSORS_CONF: | |
| 626 | return __get_nprocs_conf (); | |
| 627 | ||
| 628 | case _SC_NPROCESSORS_ONLN: | |
| 629 | return __get_nprocs (); | |
| 630 | ||
| 631 | case _SC_PHYS_PAGES: | |
| 632 | return __get_phys_pages (); | |
| 633 | ||
| 634 | case _SC_AVPHYS_PAGES: | |
| 635 | return __get_avphys_pages (); | |
| 636 | ||
| 637 | case _SC_ATEXIT_MAX: | |
| 638 | /* We have no limit since we use lists. */ | |
| 639 | return INT_MAX; | |
| 640 | ||
| 641 | case _SC_PASS_MAX: | |
| 642 | /* We have no limit but since the return value might be used to | |
| 643 | allocate a buffer we restrict the value. */ | |
| 644 | return BUFSIZ; | |
| 645 | ||
| 646 | case _SC_XOPEN_VERSION: | |
| 647 | return _XOPEN_VERSION; | |
| 2c6fe0bd UD |
648 | |
| 649 | case _SC_XOPEN_XCU_VERSION: | |
| 650 | return _XOPEN_XCU_VERSION; | |
| 651 | ||
| 652 | case _SC_XOPEN_UNIX: | |
| 653 | return _XOPEN_UNIX; | |
| 654 | ||
| 655 | case _SC_XOPEN_CRYPT: | |
| 656 | #ifdef _XOPEN_CRYPT | |
| 657 | return _XOPEN_CRYPT; | |
| 658 | #else | |
| 659 | return -1; | |
| 660 | #endif | |
| 661 | ||
| 662 | case _SC_XOPEN_ENH_I18N: | |
| 663 | #ifdef _XOPEN_ENH_I18N | |
| 664 | return _XOPEN_ENH_I18N; | |
| 665 | #else | |
| 666 | return -1; | |
| 667 | #endif | |
| 668 | ||
| 669 | case _SC_XOPEN_SHM: | |
| 670 | #ifdef _XOPEN_SHM | |
| 671 | return _XOPEN_SHM; | |
| 672 | #else | |
| 673 | return -1; | |
| 674 | #endif | |
| 675 | ||
| 676 | case _SC_XOPEN_XPG2: | |
| 677 | #ifdef _XOPEN_XPG2 | |
| 678 | return _XOPEN_XPG2; | |
| 679 | #else | |
| 680 | return -1; | |
| 681 | #endif | |
| 682 | ||
| 683 | case _SC_XOPEN_XPG3: | |
| 684 | #ifdef _XOPEN_XPG3 | |
| 685 | return _XOPEN_XPG3; | |
| 686 | #else | |
| 687 | return -1; | |
| 688 | #endif | |
| 689 | ||
| 690 | case _SC_XOPEN_XPG4: | |
| 691 | #ifdef _XOPEN_XPG4 | |
| 692 | return _XOPEN_XPG4; | |
| 693 | #else | |
| 694 | return -1; | |
| 695 | #endif | |
| 696 | ||
| 697 | case _SC_CHAR_BIT: | |
| 698 | return CHAR_BIT; | |
| 699 | ||
| 700 | case _SC_CHAR_MAX: | |
| 701 | return CHAR_MAX; | |
| 702 | ||
| 703 | case _SC_CHAR_MIN: | |
| 704 | return CHAR_MIN; | |
| 705 | ||
| 706 | case _SC_INT_MAX: | |
| 707 | return INT_MAX; | |
| 708 | ||
| 709 | case _SC_INT_MIN: | |
| 710 | return INT_MIN; | |
| 711 | ||
| 712 | case _SC_LONG_BIT: | |
| 713 | return sizeof (long int) * CHAR_BIT; | |
| 714 | ||
| 715 | case _SC_WORD_BIT: | |
| 716 | return sizeof (int) * CHAR_BIT; | |
| 717 | ||
| 718 | case _SC_MB_LEN_MAX: | |
| 719 | return MB_LEN_MAX; | |
| 720 | ||
| 721 | case _SC_NZERO: | |
| 722 | return NZERO; | |
| 723 | ||
| 724 | case _SC_SSIZE_MAX: | |
| 725 | return _POSIX_SSIZE_MAX; | |
| 726 | ||
| 727 | case _SC_SCHAR_MAX: | |
| 728 | return SCHAR_MAX; | |
| 729 | ||
| 730 | case _SC_SCHAR_MIN: | |
| 731 | return SCHAR_MIN; | |
| 732 | ||
| 733 | case _SC_SHRT_MAX: | |
| 734 | return SHRT_MAX; | |
| 735 | ||
| 736 | case _SC_SHRT_MIN: | |
| 737 | return SHRT_MIN; | |
| 738 | ||
| 739 | case _SC_UCHAR_MAX: | |
| 740 | return UCHAR_MAX; | |
| 741 | ||
| 742 | case _SC_UINT_MAX: | |
| 743 | return UINT_MAX; | |
| 744 | ||
| 745 | case _SC_ULONG_MAX: | |
| 746 | return ULONG_MAX; | |
| 747 | ||
| 748 | case _SC_USHRT_MAX: | |
| 749 | return USHRT_MAX; | |
| 750 | ||
| 751 | case _SC_NL_ARGMAX: | |
| 752 | #ifdef NL_ARGMAX | |
| 753 | return NL_ARGMAX; | |
| 754 | #else | |
| 755 | return -1; | |
| 756 | #endif | |
| 757 | ||
| 758 | case _SC_NL_LANGMAX: | |
| 759 | #ifdef NL_LANGMAX | |
| 760 | return NL_LANGMAX; | |
| 761 | #else | |
| 762 | return -1; | |
| 763 | #endif | |
| 764 | ||
| 765 | case _SC_NL_MSGMAX: | |
| 766 | #ifdef NL_MSGMAX | |
| 767 | return NL_MSGMAX; | |
| 768 | #else | |
| 769 | return -1; | |
| 770 | #endif | |
| 771 | ||
| 772 | case _SC_NL_NMAX: | |
| 773 | #ifdef NL_NMAX | |
| 774 | return NL_NMAX; | |
| 775 | #else | |
| 776 | return -1; | |
| 777 | #endif | |
| 778 | ||
| 779 | case _SC_NL_SETMAX: | |
| 780 | #ifdef NL_SETMAX | |
| 781 | return NL_SETMAX; | |
| 782 | #else | |
| 783 | return -1; | |
| 784 | #endif | |
| 785 | ||
| 786 | case _SC_NL_TEXTMAX: | |
| 787 | #ifdef NL_TEXTMAX | |
| 788 | return NL_TEXTMAX; | |
| 789 | #else | |
| 790 | return -1; | |
| 791 | #endif | |
| 9756dfe1 | 792 | |
| 531f1ae0 JM |
793 | #define START_ENV_GROUP(VERSION) \ |
| 794 | /* Empty. */ | |
| 9756dfe1 | 795 | |
| 531f1ae0 JM |
796 | #define END_ENV_GROUP(VERSION) \ |
| 797 | /* Empty. */ | |
| d20f21a2 | 798 | |
| 531f1ae0 JM |
799 | #define KNOWN_ABSENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ |
| 800 | case _SC_##SC_PREFIX##_##SUFFIX: \ | |
| 801 | return _##ENV_PREFIX##_##SUFFIX; | |
| 802 | ||
| 803 | #define KNOWN_PRESENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ | |
| 804 | case _SC_##SC_PREFIX##_##SUFFIX: \ | |
| 805 | return _##ENV_PREFIX##_##SUFFIX; | |
| 806 | ||
| 807 | #define UNKNOWN_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ | |
| 808 | case _SC_##SC_PREFIX##_##SUFFIX: \ | |
| 809 | return __sysconf_check_spec (#SUFFIX); | |
| 810 | ||
| 811 | #include <posix/posix-envs.def> | |
| 812 | ||
| 813 | #undef START_ENV_GROUP | |
| 814 | #undef END_ENV_GROUP | |
| 815 | #undef KNOWN_ABSENT_ENVIRONMENT | |
| 816 | #undef KNOWN_PRESENT_ENVIRONMENT | |
| 817 | #undef UNKNOWN_ENVIRONMENT | |
| 26b62243 | 818 | |
| 9756dfe1 UD |
819 | case _SC_XOPEN_LEGACY: |
| 820 | return _XOPEN_LEGACY; | |
| 821 | ||
| 822 | case _SC_XOPEN_REALTIME: | |
| 823 | #ifdef _XOPEN_REALTIME | |
| 824 | return _XOPEN_REALTIME; | |
| 825 | #else | |
| 826 | return -1; | |
| 827 | #endif | |
| 828 | case _SC_XOPEN_REALTIME_THREADS: | |
| 829 | #ifdef _XOPEN_REALTIME_THREADS | |
| 830 | return _XOPEN_REALTIME_THREADS; | |
| 831 | #else | |
| 832 | return -1; | |
| 833 | #endif | |
| b3ae0650 UD |
834 | |
| 835 | case _SC_ADVISORY_INFO: | |
| 182ed12e | 836 | #if _POSIX_ADVISORY_INFO > 0 |
| b3ae0650 UD |
837 | return _POSIX_ADVISORY_INFO; |
| 838 | #else | |
| 839 | return -1; | |
| 840 | #endif | |
| 841 | ||
| 842 | case _SC_BARRIERS: | |
| 182ed12e | 843 | #if _POSIX_BARRIERS > 0 |
| b3ae0650 UD |
844 | return _POSIX_BARRIERS; |
| 845 | #else | |
| 846 | return -1; | |
| 847 | #endif | |
| 848 | ||
| 849 | case _SC_BASE: | |
| 182ed12e | 850 | #if _POSIX_BASE > 0 |
| b3ae0650 UD |
851 | return _POSIX_BASE; |
| 852 | #else | |
| 853 | return -1; | |
| 854 | #endif | |
| 855 | case _SC_C_LANG_SUPPORT: | |
| 182ed12e | 856 | #if _POSIX_C_LANG_SUPPORT > 0 |
| b3ae0650 UD |
857 | return _POSIX_C_LANG_SUPPORT; |
| 858 | #else | |
| 859 | return -1; | |
| 860 | #endif | |
| 861 | case _SC_C_LANG_SUPPORT_R: | |
| 182ed12e | 862 | #if _POSIX_C_LANG_SUPPORT_R > 0 |
| b3ae0650 UD |
863 | return _POSIX_C_LANG_SUPPORT_R; |
| 864 | #else | |
| 865 | return -1; | |
| 866 | #endif | |
| 867 | ||
| 868 | case _SC_CLOCK_SELECTION: | |
| 182ed12e | 869 | #if _POSIX_CLOCK_SELECTION > 0 |
| b3ae0650 UD |
870 | return _POSIX_CLOCK_SELECTION; |
| 871 | #else | |
| 872 | return -1; | |
| 873 | #endif | |
| 874 | ||
| 875 | case _SC_CPUTIME: | |
| bf7c04cd | 876 | #if _POSIX_CPUTIME > 0 |
| b3ae0650 UD |
877 | return _POSIX_CPUTIME; |
| 878 | #else | |
| 879 | return -1; | |
| 880 | #endif | |
| 881 | ||
| 882 | case _SC_DEVICE_IO: | |
| 182ed12e | 883 | #if _POSIX_DEVICE_IO > 0 |
| b3ae0650 UD |
884 | return _POSIX_DEVICE_IO; |
| 885 | #else | |
| 886 | return -1; | |
| 887 | #endif | |
| 888 | case _SC_DEVICE_SPECIFIC: | |
| 182ed12e | 889 | #if _POSIX_DEVICE_SPCIFIC > 0 |
| b3ae0650 UD |
890 | return _POSIX_DEVICE_SPECIFIC; |
| 891 | #else | |
| 892 | return -1; | |
| 893 | #endif | |
| 894 | case _SC_DEVICE_SPECIFIC_R: | |
| 182ed12e | 895 | #if _POSIX_DEVICE_SPCIFIC_R > 0 |
| b3ae0650 UD |
896 | return _POSIX_DEVICE_SPECIFIC_R; |
| 897 | #else | |
| 898 | return -1; | |
| 899 | #endif | |
| 900 | ||
| 901 | case _SC_FD_MGMT: | |
| 182ed12e | 902 | #if _POSIX_FD_MGMT > 0 |
| b3ae0650 UD |
903 | return _POSIX_FD_MGMT; |
| 904 | #else | |
| 905 | return -1; | |
| 906 | #endif | |
| 907 | ||
| 908 | case _SC_FIFO: | |
| 182ed12e | 909 | #if _POSIX_FIFO > 0 |
| b3ae0650 UD |
910 | return _POSIX_FIFO; |
| 911 | #else | |
| 912 | return -1; | |
| 913 | #endif | |
| 914 | case _SC_PIPE: | |
| 182ed12e | 915 | #if _POSIX_PIPE > 0 |
| b3ae0650 UD |
916 | return _POSIX_PIPE; |
| 917 | #else | |
| 918 | return -1; | |
| 919 | #endif | |
| 920 | ||
| 921 | case _SC_FILE_ATTRIBUTES: | |
| 182ed12e | 922 | #if _POSIX_FILE_ATTRIBUTES > 0 |
| b3ae0650 UD |
923 | return _POSIX_FILE_ATTRIBUTES; |
| 924 | #else | |
| 925 | return -1; | |
| 926 | #endif | |
| 927 | case _SC_FILE_LOCKING: | |
| 182ed12e | 928 | #if _POSIX_FILE_LOCKING > 0 |
| b3ae0650 UD |
929 | return _POSIX_FILE_LOCKING; |
| 930 | #else | |
| 931 | return -1; | |
| 932 | #endif | |
| 933 | case _SC_FILE_SYSTEM: | |
| 182ed12e | 934 | #if _POSIX_FILE_SYSTEM > 0 |
| b3ae0650 UD |
935 | return _POSIX_FILE_SYSTEM; |
| 936 | #else | |
| 937 | return -1; | |
| 938 | #endif | |
| 939 | ||
| 940 | case _SC_MONOTONIC_CLOCK: | |
| dacb2bad | 941 | #if _POSIX_MONOTONIC_CLOCK |
| b3ae0650 UD |
942 | return _POSIX_MONOTONIC_CLOCK; |
| 943 | #else | |
| 944 | return -1; | |
| 945 | #endif | |
| 946 | ||
| a3bbce5b | 947 | case _SC_MULTI_PROCESS: |
| 182ed12e | 948 | #if _POSIX_MULTI_PROCESS > 0 |
| a3bbce5b | 949 | return _POSIX_MULTI_PROCESS; |
| b3ae0650 UD |
950 | #else |
| 951 | return -1; | |
| 952 | #endif | |
| 953 | case _SC_SINGLE_PROCESS: | |
| 182ed12e | 954 | #if _POSIX_SINGLE_PROCESS > 0 |
| b3ae0650 UD |
955 | return _POSIX_SINGLE_PROCESS; |
| 956 | #else | |
| 957 | return -1; | |
| 958 | #endif | |
| 959 | ||
| 960 | case _SC_NETWORKING: | |
| 182ed12e | 961 | #if _POSIX_NETWORKING > 0 |
| b3ae0650 UD |
962 | return _POSIX_NETWORKING; |
| 963 | #else | |
| 964 | return -1; | |
| 965 | #endif | |
| 966 | ||
| 967 | case _SC_READER_WRITER_LOCKS: | |
| 182ed12e | 968 | #if _POSIX_READER_WRITER_LOCKS > 0 |
| b3ae0650 UD |
969 | return _POSIX_READER_WRITER_LOCKS; |
| 970 | #else | |
| 971 | return -1; | |
| 972 | #endif | |
| 973 | case _SC_SPIN_LOCKS: | |
| 182ed12e | 974 | #if _POSIX_SPIN_LOCKS > 0 |
| b3ae0650 UD |
975 | return _POSIX_SPIN_LOCKS; |
| 976 | #else | |
| 977 | return -1; | |
| 978 | #endif | |
| 979 | ||
| 980 | case _SC_REGEXP: | |
| 182ed12e | 981 | #if _POSIX_REGEXP > 0 |
| b3ae0650 UD |
982 | return _POSIX_REGEXP; |
| 983 | #else | |
| 984 | return -1; | |
| 985 | #endif | |
| 986 | case _SC_REGEX_VERSION: | |
| 182ed12e | 987 | #if _POSIX_REGEX_VERSION > 0 |
| b3ae0650 UD |
988 | return _POSIX_REGEX_VERSION; |
| 989 | #else | |
| 990 | return -1; | |
| 991 | #endif | |
| 992 | ||
| 993 | case _SC_SHELL: | |
| 182ed12e | 994 | #if _POSIX_SHELL > 0 |
| b3ae0650 UD |
995 | return _POSIX_SHELL; |
| 996 | #else | |
| 997 | return -1; | |
| 998 | #endif | |
| 999 | ||
| 1000 | case _SC_SIGNALS: | |
| 1001 | #ifdef _POSUX_SIGNALS | |
| 1002 | return _POSIX_SIGNALS; | |
| 1003 | #else | |
| 1004 | return -1; | |
| 1005 | #endif | |
| 1006 | ||
| 1007 | case _SC_SPAWN: | |
| 182ed12e | 1008 | #if _POSIX_SPAWN > 0 |
| b3ae0650 UD |
1009 | return _POSIX_SPAWN; |
| 1010 | #else | |
| 1011 | return -1; | |
| 1012 | #endif | |
| 1013 | ||
| 1014 | case _SC_SPORADIC_SERVER: | |
| 182ed12e | 1015 | #if _POSIX_SPORADIC_SERVER > 0 |
| b3ae0650 UD |
1016 | return _POSIX_SPORADIC_SERVER; |
| 1017 | #else | |
| 1018 | return -1; | |
| 1019 | #endif | |
| 1020 | case _SC_THREAD_SPORADIC_SERVER: | |
| 182ed12e | 1021 | #if _POSIX_THREAD_SPORADIC_SERVER > 0 |
| b3ae0650 UD |
1022 | return _POSIX_THREAD_SPORADIC_SERVER; |
| 1023 | #else | |
| 1024 | return -1; | |
| 1025 | #endif | |
| 1026 | ||
| 1027 | case _SC_SYSTEM_DATABASE: | |
| 182ed12e | 1028 | #if _POSIX_SYSTEM_DATABASE > 0 |
| b3ae0650 UD |
1029 | return _POSIX_SYSTEM_DATABASE; |
| 1030 | #else | |
| 1031 | return -1; | |
| 1032 | #endif | |
| 1033 | case _SC_SYSTEM_DATABASE_R: | |
| 182ed12e | 1034 | #if _POSIX_SYSTEM_DATABASE_R > 0 |
| b3ae0650 UD |
1035 | return _POSIX_SYSTEM_DATABASE_R; |
| 1036 | #else | |
| 1037 | return -1; | |
| 1038 | #endif | |
| 1039 | ||
| 1040 | case _SC_THREAD_CPUTIME: | |
| bf7c04cd | 1041 | #if _POSIX_THREAD_CPUTIME > 0 |
| b3ae0650 UD |
1042 | return _POSIX_THREAD_CPUTIME; |
| 1043 | #else | |
| 1044 | return -1; | |
| 1045 | #endif | |
| 1046 | ||
| 1047 | case _SC_TIMEOUTS: | |
| 182ed12e | 1048 | #if _POSIX_TIMEOUTS > 0 |
| b3ae0650 UD |
1049 | return _POSIX_TIMEOUTS; |
| 1050 | #else | |
| 1051 | return -1; | |
| 1052 | #endif | |
| 1053 | ||
| 1054 | case _SC_TYPED_MEMORY_OBJECTS: | |
| 182ed12e | 1055 | #if _POSIX_TYPED_MEMORY_OBJECTS > 0 |
| b3ae0650 UD |
1056 | return _POSIX_TYPED_MEMORY_OBJECTS; |
| 1057 | #else | |
| 1058 | return -1; | |
| 1059 | #endif | |
| 1060 | ||
| 1061 | case _SC_USER_GROUPS: | |
| 182ed12e | 1062 | #if _POSIX_USER_GROUPS > 0 |
| b3ae0650 UD |
1063 | return _POSIX_USER_GROUPS; |
| 1064 | #else | |
| 1065 | return -1; | |
| 1066 | #endif | |
| 1067 | case _SC_USER_GROUPS_R: | |
| 182ed12e | 1068 | #if _POSIX_USER_GROUPS_R > 0 |
| b3ae0650 UD |
1069 | return _POSIX_USER_GROUPS_R; |
| 1070 | #else | |
| 1071 | return -1; | |
| 1072 | #endif | |
| 1073 | ||
| 6b3e8333 | 1074 | case _SC_2_PBS: |
| b3ae0650 UD |
1075 | #ifdef _POSIX2_PBS |
| 1076 | return _POSIX2_PBS; | |
| 1077 | #else | |
| 1078 | return -1; | |
| 1079 | #endif | |
| 6b3e8333 | 1080 | case _SC_2_PBS_ACCOUNTING: |
| b3ae0650 UD |
1081 | #ifdef _POSIX2_PBS_ACCOUNTING |
| 1082 | return _POSIX2_PBS_ACCOUNTING; | |
| 1083 | #else | |
| 1084 | return -1; | |
| 1085 | #endif | |
| 6b3e8333 UD |
1086 | case _SC_2_PBS_CHECKPOINT: |
| 1087 | #ifdef _POSIX2_PBS_CHECKPOINT | |
| 1088 | return _POSIX2_PBS_CHECKPOINT; | |
| 1089 | #else | |
| 1090 | return -1; | |
| 1091 | #endif | |
| 1092 | case _SC_2_PBS_LOCATE: | |
| b3ae0650 UD |
1093 | #ifdef _POSIX2_PBS_LOCATE |
| 1094 | return _POSIX2_PBS_LOCATE; | |
| 1095 | #else | |
| 1096 | return -1; | |
| 7780fd93 UD |
1097 | #endif |
| 1098 | case _SC_2_PBS_MESSAGE: | |
| 1099 | #ifdef _POSIX2_PBS_MESSAGE | |
| 1100 | return _POSIX2_PBS_MESSAGE; | |
| 1101 | #else | |
| 1102 | return -1; | |
| b3ae0650 | 1103 | #endif |
| 6b3e8333 | 1104 | case _SC_2_PBS_TRACK: |
| b3ae0650 UD |
1105 | #ifdef _POSIX2_PBS_TRACK |
| 1106 | return _POSIX2_PBS_TRACK; | |
| 1107 | #else | |
| 1108 | return -1; | |
| 1109 | #endif | |
| 1110 | ||
| a3bbce5b | 1111 | case _SC_SYMLOOP_MAX: |
| b3ae0650 UD |
1112 | #ifdef SYMLOOP_MAX |
| 1113 | return SYMLOOP_MAX; | |
| 1114 | #else | |
| 1115 | return -1; | |
| 1116 | #endif | |
| 6b3e8333 UD |
1117 | |
| 1118 | case _SC_STREAMS: | |
| 1119 | #ifdef _XOPEN_STREAMS | |
| 1120 | return _XOPEN_STREAMS; | |
| 1121 | #else | |
| 1122 | return -1; | |
| 1123 | #endif | |
| 7780fd93 UD |
1124 | |
| 1125 | case _SC_HOST_NAME_MAX: | |
| 1126 | #ifdef HOST_NAME_MAX | |
| 1127 | return HOST_NAME_MAX; | |
| 1128 | #else | |
| 1129 | return -1; | |
| 1130 | #endif | |
| 1131 | ||
| 1132 | case _SC_TRACE: | |
| 182ed12e | 1133 | #if _POSIX_TRACE > 0 |
| 7780fd93 UD |
1134 | return _POSIX_TRACE; |
| 1135 | #else | |
| 1136 | return -1; | |
| 1137 | #endif | |
| 1138 | case _SC_TRACE_EVENT_FILTER: | |
| 182ed12e | 1139 | #if _POSIX_TRACE_EVENT_FILTER > 0 |
| 7780fd93 UD |
1140 | return _POSIX_TRACE_EVENT_FILTER; |
| 1141 | #else | |
| 1142 | return -1; | |
| 1143 | #endif | |
| 1144 | case _SC_TRACE_INHERIT: | |
| 182ed12e | 1145 | #if _POSIX_TRACE_INHERIT > 0 |
| 7780fd93 UD |
1146 | return _POSIX_TRACE_INHERIT; |
| 1147 | #else | |
| 1148 | return -1; | |
| 1149 | #endif | |
| 1150 | case _SC_TRACE_LOG: | |
| 182ed12e | 1151 | #if _POSIX_TRACE_LOG > 0 |
| 7780fd93 UD |
1152 | return _POSIX_TRACE_LOG; |
| 1153 | #else | |
| 1154 | return -1; | |
| 1155 | #endif | |
| bf067910 | 1156 | |
| 67108e40 UD |
1157 | case _SC_TRACE_EVENT_NAME_MAX: |
| 1158 | case _SC_TRACE_NAME_MAX: | |
| 1159 | case _SC_TRACE_SYS_MAX: | |
| 1160 | case _SC_TRACE_USER_EVENT_MAX: | |
| 1161 | /* No support for tracing. */ | |
| 1162 | ||
| 1163 | case _SC_XOPEN_STREAMS: | |
| 1164 | /* No support for STREAMS. */ | |
| 1165 | return -1; | |
| 1166 | ||
| bf067910 UD |
1167 | case _SC_LEVEL1_ICACHE_SIZE: |
| 1168 | case _SC_LEVEL1_ICACHE_ASSOC: | |
| 1169 | case _SC_LEVEL1_ICACHE_LINESIZE: | |
| 1170 | case _SC_LEVEL1_DCACHE_SIZE: | |
| 1171 | case _SC_LEVEL1_DCACHE_ASSOC: | |
| 1172 | case _SC_LEVEL1_DCACHE_LINESIZE: | |
| 1173 | case _SC_LEVEL2_CACHE_SIZE: | |
| 1174 | case _SC_LEVEL2_CACHE_ASSOC: | |
| 1175 | case _SC_LEVEL2_CACHE_LINESIZE: | |
| 1176 | case _SC_LEVEL3_CACHE_SIZE: | |
| 1177 | case _SC_LEVEL3_CACHE_ASSOC: | |
| 1178 | case _SC_LEVEL3_CACHE_LINESIZE: | |
| 1179 | case _SC_LEVEL4_CACHE_SIZE: | |
| 1180 | case _SC_LEVEL4_CACHE_ASSOC: | |
| 5bb0c10a | 1181 | case _SC_LEVEL4_CACHE_LINESIZE: |
| bf067910 UD |
1182 | /* In general we cannot determine these values. Therefore we |
| 1183 | return zero which indicates that no information is | |
| 1184 | available. */ | |
| 1185 | return 0; | |
| 60e4523a UD |
1186 | |
| 1187 | case _SC_IPV6: | |
| 182ed12e | 1188 | #if _POSIX_IPV6 > 0 |
| 60e4523a UD |
1189 | return _POSIX_IPV6; |
| 1190 | #else | |
| 1191 | return -1; | |
| 1192 | #endif | |
| 1193 | ||
| 1194 | case _SC_RAW_SOCKETS: | |
| 182ed12e | 1195 | #if _POSIX_RAW_SOCKETS > 0 |
| 60e4523a UD |
1196 | return _POSIX_RAW_SOCKETS; |
| 1197 | #else | |
| 1198 | return -1; | |
| 1199 | #endif | |
| 28f540f4 RM |
1200 | } |
| 1201 | } | |
| 1202 | ||
| e993e9cc | 1203 | #undef __sysconf |
| 28f540f4 | 1204 | weak_alias (__sysconf, sysconf) |
| a20d8dbe | 1205 | libc_hidden_def (__sysconf) |
| 28f367c4 | 1206 | |
| 77474ccd | 1207 | #if NEED_CHECK_SPEC |
| 28f367c4 UD |
1208 | static long int |
| 1209 | __sysconf_check_spec (const char *spec) | |
| 1210 | { | |
| 1211 | int save_errno = errno; | |
| 1212 | ||
| 84b3fd84 | 1213 | const char *getconf_dir = __libc_secure_getenv ("GETCONF_DIR") ?: GETCONF_DIR; |
| 28f367c4 UD |
1214 | size_t getconf_dirlen = strlen (getconf_dir); |
| 1215 | size_t speclen = strlen (spec); | |
| 1216 | ||
| 1f7d9693 | 1217 | char name[getconf_dirlen + sizeof ("/POSIX_V6_") + speclen]; |
| 28f367c4 | 1218 | memcpy (mempcpy (mempcpy (name, getconf_dir, getconf_dirlen), |
| 1f7d9693 | 1219 | "/POSIX_V6_", sizeof ("/POSIX_V6_") - 1), |
| 28f367c4 UD |
1220 | spec, speclen + 1); |
| 1221 | ||
| 1222 | struct stat64 st; | |
| 1223 | long int ret = __xstat64 (_STAT_VER, name, &st) >= 0 ? 1 : -1; | |
| 1224 | ||
| 1225 | __set_errno (save_errno); | |
| 1226 | return ret; | |
| 1227 | } | |
| 77474ccd | 1228 | #endif |