posix/getconf.c

   1 /* Copyright (C) 1991, 92, 1995-2007, 2008 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published
   6    by the Free Software Foundation; version 2 of the License, or
   7    (at your option) any later version.
   8
   9    This program 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
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software Foundation,
  16    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 #include <unistd.h>
  19 #include <errno.h>
  20 #include <error.h>
  21 #include <libintl.h>
  22 #include <locale.h>
  23 #include <string.h>
  24 #include <stdlib.h>
  25 #include <stdio.h>
  26
  27 #include "../version.h"
  28 #define PACKAGE _libc_intl_domainname
  29
  30 struct conf
  31   {
  32     const char *name;
  33     const int call_name;
  34     const enum { SYSCONF, CONFSTR, PATHCONF } call;
  35   };
  36
  37 static const struct conf vars[] =
  38   {
  39 #ifdef _PC_LINK_MAX
  40     { "LINK_MAX", _PC_LINK_MAX, PATHCONF },
  41 #endif
  42 #ifdef _PC_LINK_MAX
  43     { "_POSIX_LINK_MAX", _PC_LINK_MAX, PATHCONF },
  44 #endif
  45 #ifdef _PC_MAX_CANON
  46     { "MAX_CANON", _PC_MAX_CANON, PATHCONF },
  47 #endif
  48 #ifdef _PC_MAX_CANON
  49     { "_POSIX_MAX_CANON", _PC_MAX_CANON, PATHCONF },
  50 #endif
  51 #ifdef _PC_MAX_INPUT
  52     { "MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
  53 #endif
  54 #ifdef _PC_MAX_INPUT
  55     { "_POSIX_MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
  56 #endif
  57 #ifdef _PC_NAME_MAX
  58     { "NAME_MAX", _PC_NAME_MAX, PATHCONF },
  59 #endif
  60 #ifdef _PC_NAME_MAX
  61     { "_POSIX_NAME_MAX", _PC_NAME_MAX, PATHCONF },
  62 #endif
  63 #ifdef _PC_PATH_MAX
  64     { "PATH_MAX", _PC_PATH_MAX, PATHCONF },
  65 #endif
  66 #ifdef _PC_PATH_MAX
  67     { "_POSIX_PATH_MAX", _PC_PATH_MAX, PATHCONF },
  68 #endif
  69 #ifdef _PC_PIPE_BUF
  70     { "PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
  71 #endif
  72 #ifdef _PC_PIPE_BUF
  73     { "_POSIX_PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
  74 #endif
  75 #ifdef _PC_SOCK_MAXBUF
  76     { "SOCK_MAXBUF", _PC_SOCK_MAXBUF, PATHCONF },
  77 #endif
  78 #ifdef _PC_ASYNC_IO
  79     { "_POSIX_ASYNC_IO", _PC_ASYNC_IO, PATHCONF },
  80 #endif
  81 #ifdef _PC_CHOWN_RESTRICTED
  82     { "_POSIX_CHOWN_RESTRICTED", _PC_CHOWN_RESTRICTED, PATHCONF },
  83 #endif
  84 #ifdef _PC_NO_TRUNC
  85     { "_POSIX_NO_TRUNC", _PC_NO_TRUNC, PATHCONF },
  86 #endif
  87 #ifdef _PC_PRIO_IO
  88     { "_POSIX_PRIO_IO", _PC_PRIO_IO, PATHCONF },
  89 #endif
  90 #ifdef _PC_SYNC_IO
  91     { "_POSIX_SYNC_IO", _PC_SYNC_IO, PATHCONF },
  92 #endif
  93 #ifdef _PC_VDISABLE
  94     { "_POSIX_VDISABLE", _PC_VDISABLE, PATHCONF },
  95 #endif
  96
  97 #ifdef _SC_ARG_MAX
  98     { "ARG_MAX", _SC_ARG_MAX, SYSCONF },
  99 #endif
 100 #ifdef _SC_ATEXIT_MAX
 101     { "ATEXIT_MAX", _SC_ATEXIT_MAX, SYSCONF },
 102 #endif
 103 #ifdef _SC_CHAR_BIT
 104     { "CHAR_BIT", _SC_CHAR_BIT, SYSCONF },
 105 #endif
 106 #ifdef _SC_CHAR_MAX
 107     { "CHAR_MAX", _SC_CHAR_MAX, SYSCONF },
 108 #endif
 109 #ifdef _SC_CHAR_MIN
 110     { "CHAR_MIN", _SC_CHAR_MIN, SYSCONF },
 111 #endif
 112 #ifdef _SC_CHILD_MAX
 113     { "CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
 114 #endif
 115 #ifdef _SC_CLK_TCK
 116     { "CLK_TCK", _SC_CLK_TCK, SYSCONF },
 117 #endif
 118 #ifdef _SC_INT_MAX
 119     { "INT_MAX", _SC_INT_MAX, SYSCONF },
 120 #endif
 121 #ifdef _SC_INT_MIN
 122     { "INT_MIN", _SC_INT_MIN, SYSCONF },
 123 #endif
 124 #ifdef _SC_UIO_MAXIOV
 125     { "IOV_MAX", _SC_UIO_MAXIOV, SYSCONF },
 126 #endif
 127 #ifdef _SC_LOGIN_NAME_MAX
 128     { "LOGNAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF },
 129 #endif
 130 #ifdef _SC_LONG_BIT
 131     { "LONG_BIT", _SC_LONG_BIT, SYSCONF },
 132 #endif
 133 #ifdef _SC_MB_LEN_MAX
 134     { "MB_LEN_MAX", _SC_MB_LEN_MAX, SYSCONF },
 135 #endif
 136 #ifdef _SC_NGROUPS_MAX
 137     { "NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
 138 #endif
 139 #ifdef _SC_NL_ARGMAX
 140     { "NL_ARGMAX", _SC_NL_ARGMAX, SYSCONF },
 141 #endif
 142 #ifdef _SC_NL_LANGMAX
 143     { "NL_LANGMAX", _SC_NL_LANGMAX, SYSCONF },
 144 #endif
 145 #ifdef _SC_NL_MSGMAX
 146     { "NL_MSGMAX", _SC_NL_MSGMAX, SYSCONF },
 147 #endif
 148 #ifdef _SC_NL_NMAX
 149     { "NL_NMAX", _SC_NL_NMAX, SYSCONF },
 150 #endif
 151 #ifdef _SC_NL_SETMAX
 152     { "NL_SETMAX", _SC_NL_SETMAX, SYSCONF },
 153 #endif
 154 #ifdef _SC_NL_TEXTMAX
 155     { "NL_TEXTMAX", _SC_NL_TEXTMAX, SYSCONF },
 156 #endif
 157 #ifdef _SC_GETGR_R_SIZE_MAX
 158     { "NSS_BUFLEN_GROUP", _SC_GETGR_R_SIZE_MAX, SYSCONF },
 159 #endif
 160 #ifdef _SC_GETPW_R_SIZE_MAX
 161     { "NSS_BUFLEN_PASSWD", _SC_GETPW_R_SIZE_MAX, SYSCONF },
 162 #endif
 163 #ifdef _SC_NZERO
 164     { "NZERO", _SC_NZERO, SYSCONF },
 165 #endif
 166 #ifdef _SC_OPEN_MAX
 167     { "OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
 168 #endif
 169 #ifdef _SC_PAGESIZE
 170     { "PAGESIZE", _SC_PAGESIZE, SYSCONF },
 171 #endif
 172 #ifdef _SC_PAGESIZE
 173     { "PAGE_SIZE", _SC_PAGESIZE, SYSCONF },
 174 #endif
 175 #ifdef _SC_PASS_MAX
 176     { "PASS_MAX", _SC_PASS_MAX, SYSCONF },
 177 #endif
 178 #ifdef _SC_THREAD_DESTRUCTOR_ITERATIONS
 179     { "PTHREAD_DESTRUCTOR_ITERATIONS", _SC_THREAD_DESTRUCTOR_ITERATIONS, SYSCONF },
 180 #endif
 181 #ifdef _SC_THREAD_KEYS_MAX
 182     { "PTHREAD_KEYS_MAX", _SC_THREAD_KEYS_MAX, SYSCONF },
 183 #endif
 184 #ifdef _SC_THREAD_STACK_MIN
 185     { "PTHREAD_STACK_MIN", _SC_THREAD_STACK_MIN, SYSCONF },
 186 #endif
 187 #ifdef _SC_THREAD_THREADS_MAX
 188     { "PTHREAD_THREADS_MAX", _SC_THREAD_THREADS_MAX, SYSCONF },
 189 #endif
 190 #ifdef _SC_SCHAR_MAX
 191     { "SCHAR_MAX", _SC_SCHAR_MAX, SYSCONF },
 192 #endif
 193 #ifdef _SC_SCHAR_MIN
 194     { "SCHAR_MIN", _SC_SCHAR_MIN, SYSCONF },
 195 #endif
 196 #ifdef _SC_SHRT_MAX
 197     { "SHRT_MAX", _SC_SHRT_MAX, SYSCONF },
 198 #endif
 199 #ifdef _SC_SHRT_MIN
 200     { "SHRT_MIN", _SC_SHRT_MIN, SYSCONF },
 201 #endif
 202 #ifdef _SC_SSIZE_MAX
 203     { "SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
 204 #endif
 205 #ifdef _SC_TTY_NAME_MAX
 206     { "TTY_NAME_MAX", _SC_TTY_NAME_MAX, SYSCONF },
 207 #endif
 208 #ifdef _SC_TZNAME_MAX
 209     { "TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
 210 #endif
 211 #ifdef _SC_UCHAR_MAX
 212     { "UCHAR_MAX", _SC_UCHAR_MAX, SYSCONF },
 213 #endif
 214 #ifdef _SC_UINT_MAX
 215     { "UINT_MAX", _SC_UINT_MAX, SYSCONF },
 216 #endif
 217 #ifdef _SC_UIO_MAXIOV
 218     { "UIO_MAXIOV", _SC_UIO_MAXIOV, SYSCONF },
 219 #endif
 220 #ifdef _SC_ULONG_MAX
 221     { "ULONG_MAX", _SC_ULONG_MAX, SYSCONF },
 222 #endif
 223 #ifdef _SC_USHRT_MAX
 224     { "USHRT_MAX", _SC_USHRT_MAX, SYSCONF },
 225 #endif
 226 #ifdef _SC_WORD_BIT
 227     { "WORD_BIT", _SC_WORD_BIT, SYSCONF },
 228 #endif
 229 #ifdef _SC_AVPHYS_PAGES
 230     { "_AVPHYS_PAGES", _SC_AVPHYS_PAGES, SYSCONF },
 231 #endif
 232 #ifdef _SC_NPROCESSORS_CONF
 233     { "_NPROCESSORS_CONF", _SC_NPROCESSORS_CONF, SYSCONF },
 234 #endif
 235 #ifdef _SC_NPROCESSORS_ONLN
 236     { "_NPROCESSORS_ONLN", _SC_NPROCESSORS_ONLN, SYSCONF },
 237 #endif
 238 #ifdef _SC_PHYS_PAGES
 239     { "_PHYS_PAGES", _SC_PHYS_PAGES, SYSCONF },
 240 #endif
 241 #ifdef _SC_ARG_MAX
 242     { "_POSIX_ARG_MAX", _SC_ARG_MAX, SYSCONF },
 243 #endif
 244 #ifdef _SC_ASYNCHRONOUS_IO
 245     { "_POSIX_ASYNCHRONOUS_IO", _SC_ASYNCHRONOUS_IO, SYSCONF },
 246 #endif
 247 #ifdef _SC_CHILD_MAX
 248     { "_POSIX_CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
 249 #endif
 250 #ifdef _SC_FSYNC
 251     { "_POSIX_FSYNC", _SC_FSYNC, SYSCONF },
 252 #endif
 253 #ifdef _SC_JOB_CONTROL
 254     { "_POSIX_JOB_CONTROL", _SC_JOB_CONTROL, SYSCONF },
 255 #endif
 256 #ifdef _SC_MAPPED_FILES
 257     { "_POSIX_MAPPED_FILES", _SC_MAPPED_FILES, SYSCONF },
 258 #endif
 259 #ifdef _SC_MEMLOCK
 260     { "_POSIX_MEMLOCK", _SC_MEMLOCK, SYSCONF },
 261 #endif
 262 #ifdef _SC_MEMLOCK_RANGE
 263     { "_POSIX_MEMLOCK_RANGE", _SC_MEMLOCK_RANGE, SYSCONF },
 264 #endif
 265 #ifdef _SC_MEMORY_PROTECTION
 266     { "_POSIX_MEMORY_PROTECTION", _SC_MEMORY_PROTECTION, SYSCONF },
 267 #endif
 268 #ifdef _SC_MESSAGE_PASSING
 269     { "_POSIX_MESSAGE_PASSING", _SC_MESSAGE_PASSING, SYSCONF },
 270 #endif
 271 #ifdef _SC_NGROUPS_MAX
 272     { "_POSIX_NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
 273 #endif
 274 #ifdef _SC_OPEN_MAX
 275     { "_POSIX_OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
 276 #endif
 277 #ifdef _SC_PII
 278     { "_POSIX_PII", _SC_PII, SYSCONF },
 279 #endif
 280 #ifdef _SC_PII_INTERNET
 281     { "_POSIX_PII_INTERNET", _SC_PII_INTERNET, SYSCONF },
 282 #endif
 283 #ifdef _SC_PII_INTERNET_DGRAM
 284     { "_POSIX_PII_INTERNET_DGRAM", _SC_PII_INTERNET_DGRAM, SYSCONF },
 285 #endif
 286 #ifdef _SC_PII_INTERNET_STREAM
 287     { "_POSIX_PII_INTERNET_STREAM", _SC_PII_INTERNET_STREAM, SYSCONF },
 288 #endif
 289 #ifdef _SC_PII_OSI
 290     { "_POSIX_PII_OSI", _SC_PII_OSI, SYSCONF },
 291 #endif
 292 #ifdef _SC_PII_OSI_CLTS
 293     { "_POSIX_PII_OSI_CLTS", _SC_PII_OSI_CLTS, SYSCONF },
 294 #endif
 295 #ifdef _SC_PII_OSI_COTS
 296     { "_POSIX_PII_OSI_COTS", _SC_PII_OSI_COTS, SYSCONF },
 297 #endif
 298 #ifdef _SC_PII_OSI_M
 299     { "_POSIX_PII_OSI_M", _SC_PII_OSI_M, SYSCONF },
 300 #endif
 301 #ifdef _SC_PII_SOCKET
 302     { "_POSIX_PII_SOCKET", _SC_PII_SOCKET, SYSCONF },
 303 #endif
 304 #ifdef _SC_PII_XTI
 305     { "_POSIX_PII_XTI", _SC_PII_XTI, SYSCONF },
 306 #endif
 307 #ifdef _SC_POLL
 308     { "_POSIX_POLL", _SC_POLL, SYSCONF },
 309 #endif
 310 #ifdef _SC_PRIORITIZED_IO
 311     { "_POSIX_PRIORITIZED_IO", _SC_PRIORITIZED_IO, SYSCONF },
 312 #endif
 313 #ifdef _SC_PRIORITY_SCHEDULING
 314     { "_POSIX_PRIORITY_SCHEDULING", _SC_PRIORITY_SCHEDULING, SYSCONF },
 315 #endif
 316 #ifdef _SC_REALTIME_SIGNALS
 317     { "_POSIX_REALTIME_SIGNALS", _SC_REALTIME_SIGNALS, SYSCONF },
 318 #endif
 319 #ifdef _SC_SAVED_IDS
 320     { "_POSIX_SAVED_IDS", _SC_SAVED_IDS, SYSCONF },
 321 #endif
 322 #ifdef _SC_SELECT
 323     { "_POSIX_SELECT", _SC_SELECT, SYSCONF },
 324 #endif
 325 #ifdef _SC_SEMAPHORES
 326     { "_POSIX_SEMAPHORES", _SC_SEMAPHORES, SYSCONF },
 327 #endif
 328 #ifdef _SC_SHARED_MEMORY_OBJECTS
 329     { "_POSIX_SHARED_MEMORY_OBJECTS", _SC_SHARED_MEMORY_OBJECTS, SYSCONF },
 330 #endif
 331 #ifdef _SC_SSIZE_MAX
 332     { "_POSIX_SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
 333 #endif
 334 #ifdef _SC_STREAM_MAX
 335     { "_POSIX_STREAM_MAX", _SC_STREAM_MAX, SYSCONF },
 336 #endif
 337 #ifdef _SC_SYNCHRONIZED_IO
 338     { "_POSIX_SYNCHRONIZED_IO", _SC_SYNCHRONIZED_IO, SYSCONF },
 339 #endif
 340 #ifdef _SC_THREADS
 341     { "_POSIX_THREADS", _SC_THREADS, SYSCONF },
 342 #endif
 343 #ifdef _SC_THREAD_ATTR_STACKADDR
 344     { "_POSIX_THREAD_ATTR_STACKADDR", _SC_THREAD_ATTR_STACKADDR, SYSCONF },
 345 #endif
 346 #ifdef _SC_THREAD_ATTR_STACKSIZE
 347     { "_POSIX_THREAD_ATTR_STACKSIZE", _SC_THREAD_ATTR_STACKSIZE, SYSCONF },
 348 #endif
 349 #ifdef _SC_THREAD_PRIORITY_SCHEDULING
 350     { "_POSIX_THREAD_PRIORITY_SCHEDULING", _SC_THREAD_PRIORITY_SCHEDULING, SYSCONF },
 351 #endif
 352 #ifdef _SC_THREAD_PRIO_INHERIT
 353     { "_POSIX_THREAD_PRIO_INHERIT", _SC_THREAD_PRIO_INHERIT, SYSCONF },
 354 #endif
 355 #ifdef _SC_THREAD_PRIO_PROTECT
 356     { "_POSIX_THREAD_PRIO_PROTECT", _SC_THREAD_PRIO_PROTECT, SYSCONF },
 357 #endif
 358 #ifdef _SC_THREAD_PROCESS_SHARED
 359     { "_POSIX_THREAD_PROCESS_SHARED", _SC_THREAD_PROCESS_SHARED, SYSCONF },
 360 #endif
 361 #ifdef _SC_THREAD_SAFE_FUNCTIONS
 362     { "_POSIX_THREAD_SAFE_FUNCTIONS", _SC_THREAD_SAFE_FUNCTIONS, SYSCONF },
 363 #endif
 364 #ifdef _SC_TIMERS
 365     { "_POSIX_TIMERS", _SC_TIMERS, SYSCONF },
 366 #endif
 367 #ifdef _SC_TIMER_MAX
 368     { "TIMER_MAX", _SC_TIMER_MAX, SYSCONF },
 369 #endif
 370 #ifdef _SC_TZNAME_MAX
 371     { "_POSIX_TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
 372 #endif
 373 #ifdef _SC_VERSION
 374     { "_POSIX_VERSION", _SC_VERSION, SYSCONF },
 375 #endif
 376 #ifdef _SC_T_IOV_MAX
 377     { "_T_IOV_MAX", _SC_T_IOV_MAX, SYSCONF },
 378 #endif
 379 #ifdef _SC_XOPEN_CRYPT
 380     { "_XOPEN_CRYPT", _SC_XOPEN_CRYPT, SYSCONF },
 381 #endif
 382 #ifdef _SC_XOPEN_ENH_I18N
 383     { "_XOPEN_ENH_I18N", _SC_XOPEN_ENH_I18N, SYSCONF },
 384 #endif
 385 #ifdef _SC_XOPEN_LEGACY
 386     { "_XOPEN_LEGACY", _SC_XOPEN_LEGACY, SYSCONF },
 387 #endif
 388 #ifdef _SC_XOPEN_REALTIME
 389     { "_XOPEN_REALTIME", _SC_XOPEN_REALTIME, SYSCONF },
 390 #endif
 391 #ifdef _SC_XOPEN_REALTIME_THREADS
 392     { "_XOPEN_REALTIME_THREADS", _SC_XOPEN_REALTIME_THREADS, SYSCONF },
 393 #endif
 394 #ifdef _SC_XOPEN_SHM
 395     { "_XOPEN_SHM", _SC_XOPEN_SHM, SYSCONF },
 396 #endif
 397 #ifdef _SC_XOPEN_UNIX
 398     { "_XOPEN_UNIX", _SC_XOPEN_UNIX, SYSCONF },
 399 #endif
 400 #ifdef _SC_XOPEN_VERSION
 401     { "_XOPEN_VERSION", _SC_XOPEN_VERSION, SYSCONF },
 402 #endif
 403 #ifdef _SC_XOPEN_XCU_VERSION
 404     { "_XOPEN_XCU_VERSION", _SC_XOPEN_XCU_VERSION, SYSCONF },
 405 #endif
 406 #ifdef _SC_XOPEN_XPG2
 407     { "_XOPEN_XPG2", _SC_XOPEN_XPG2, SYSCONF },
 408 #endif
 409 #ifdef _SC_XOPEN_XPG3
 410     { "_XOPEN_XPG3", _SC_XOPEN_XPG3, SYSCONF },
 411 #endif
 412 #ifdef _SC_XOPEN_XPG4
 413     { "_XOPEN_XPG4", _SC_XOPEN_XPG4, SYSCONF },
 414 #endif
 415     /* POSIX.2  */
 416 #ifdef _SC_BC_BASE_MAX
 417     { "BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
 418 #endif
 419 #ifdef _SC_BC_DIM_MAX
 420     { "BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
 421 #endif
 422 #ifdef _SC_BC_SCALE_MAX
 423     { "BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
 424 #endif
 425 #ifdef _SC_BC_STRING_MAX
 426     { "BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
 427 #endif
 428     { "CHARCLASS_NAME_MAX", _SC_CHARCLASS_NAME_MAX, SYSCONF },
 429 #ifdef _SC_COLL_WEIGHTS_MAX
 430     { "COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
 431 #endif
 432 #ifdef _SC_EQUIV_CLASS_MAX
 433     { "EQUIV_CLASS_MAX", _SC_EQUIV_CLASS_MAX, SYSCONF },
 434 #endif
 435 #ifdef _SC_EXPR_NEST_MAX
 436     { "EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
 437 #endif
 438 #ifdef _SC_LINE_MAX
 439     { "LINE_MAX", _SC_LINE_MAX, SYSCONF },
 440 #endif
 441 #ifdef _SC_BC_BASE_MAX
 442     { "POSIX2_BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
 443 #endif
 444 #ifdef _SC_BC_DIM_MAX
 445     { "POSIX2_BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
 446 #endif
 447 #ifdef _SC_BC_SCALE_MAX
 448     { "POSIX2_BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
 449 #endif
 450 #ifdef _SC_BC_STRING_MAX
 451     { "POSIX2_BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
 452 #endif
 453 #ifdef _SC_2_CHAR_TERM
 454     { "POSIX2_CHAR_TERM", _SC_2_CHAR_TERM, SYSCONF },
 455 #endif
 456 #ifdef _SC_COLL_WEIGHTS_MAX
 457     { "POSIX2_COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
 458 #endif
 459 #ifdef _SC_2_C_BIND
 460     { "POSIX2_C_BIND", _SC_2_C_BIND, SYSCONF },
 461 #endif
 462 #ifdef _SC_2_C_DEV
 463     { "POSIX2_C_DEV", _SC_2_C_DEV, SYSCONF },
 464 #endif
 465 #ifdef _SC_2_C_VERSION
 466     { "POSIX2_C_VERSION", _SC_2_C_VERSION, SYSCONF },
 467 #endif
 468 #ifdef _SC_EXPR_NEST_MAX
 469     { "POSIX2_EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
 470 #endif
 471 #ifdef _SC_2_FORT_DEV
 472     { "POSIX2_FORT_DEV", _SC_2_FORT_DEV, SYSCONF },
 473 #endif
 474 #ifdef _SC_2_FORT_RUN
 475     { "POSIX2_FORT_RUN", _SC_2_FORT_RUN, SYSCONF },
 476 #endif
 477 #ifdef _SC_LINE_MAX
 478     { "_POSIX2_LINE_MAX", _SC_LINE_MAX, SYSCONF },
 479 #endif
 480 #ifdef _SC_2_LOCALEDEF
 481     { "POSIX2_LOCALEDEF", _SC_2_LOCALEDEF, SYSCONF },
 482 #endif
 483 #ifdef _SC_RE_DUP_MAX
 484     { "POSIX2_RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
 485 #endif
 486 #ifdef _SC_2_SW_DEV
 487     { "POSIX2_SW_DEV", _SC_2_SW_DEV, SYSCONF },
 488 #endif
 489 #ifdef _SC_2_UPE
 490     { "POSIX2_UPE", _SC_2_UPE, SYSCONF },
 491 #endif
 492 #ifdef _SC_2_VERSION
 493     { "POSIX2_VERSION", _SC_2_VERSION, SYSCONF },
 494 #endif
 495 #ifdef _SC_RE_DUP_MAX
 496     { "RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
 497 #endif
 498
 499 #ifdef _CS_PATH
 500     { "PATH", _CS_PATH, CONFSTR },
 501     { "CS_PATH", _CS_PATH, CONFSTR },
 502 #endif
 503
 504     /* LFS */
 505 #ifdef _CS_LFS_CFLAGS
 506     { "LFS_CFLAGS", _CS_LFS_CFLAGS, CONFSTR },
 507 #endif
 508 #ifdef _CS_LFS_LDFLAGS
 509     { "LFS_LDFLAGS", _CS_LFS_LDFLAGS, CONFSTR },
 510 #endif
 511 #ifdef _CS_LFS_LIBS
 512     { "LFS_LIBS", _CS_LFS_LIBS, CONFSTR },
 513 #endif
 514 #ifdef _CS_LFS_LINTFLAGS
 515     { "LFS_LINTFLAGS", _CS_LFS_LINTFLAGS, CONFSTR },
 516 #endif
 517 #ifdef _CS_LFS64_CFLAGS
 518     { "LFS64_CFLAGS", _CS_LFS64_CFLAGS, CONFSTR },
 519 #endif
 520 #ifdef _CS_LFS64_LDFLAGS
 521     { "LFS64_LDFLAGS", _CS_LFS64_LDFLAGS, CONFSTR },
 522 #endif
 523 #ifdef _CS_LFS64_LIBS
 524     { "LFS64_LIBS", _CS_LFS64_LIBS, CONFSTR },
 525 #endif
 526 #ifdef _CS_LFS64_LINTFLAGS
 527     { "LFS64_LINTFLAGS", _CS_LFS64_LINTFLAGS, CONFSTR },
 528 #endif
 529
 530     /* Programming environments.  */
 531 #ifdef _SC_XBS5_ILP32_OFF32
 532     { "_XBS5_ILP32_OFF32", _SC_XBS5_ILP32_OFF32, SYSCONF },
 533 #endif
 534 #ifdef _CS_XBS5_ILP32_OFF32_CFLAGS
 535     { "XBS5_ILP32_OFF32_CFLAGS", _CS_XBS5_ILP32_OFF32_CFLAGS, CONFSTR },
 536 #endif
 537 #ifdef _CS_XBS5_ILP32_OFF32_LDFLAGS
 538     { "XBS5_ILP32_OFF32_LDFLAGS", _CS_XBS5_ILP32_OFF32_LDFLAGS, CONFSTR },
 539 #endif
 540 #ifdef _CS_XBS5_ILP32_OFF32_LIBS
 541     { "XBS5_ILP32_OFF32_LIBS", _CS_XBS5_ILP32_OFF32_LIBS, CONFSTR },
 542 #endif
 543 #ifdef _CS_XBS5_ILP32_OFF32_LINTFLAGS
 544     { "XBS5_ILP32_OFF32_LINTFLAGS", _CS_XBS5_ILP32_OFF32_LINTFLAGS, CONFSTR },
 545 #endif
 546
 547 #ifdef _SC_XBS5_ILP32_OFFBIG
 548     { "_XBS5_ILP32_OFFBIG", _SC_XBS5_ILP32_OFFBIG, SYSCONF },
 549 #endif
 550 #ifdef _CS_XBS5_ILP32_OFFBIG_CFLAGS
 551     { "XBS5_ILP32_OFFBIG_CFLAGS", _CS_XBS5_ILP32_OFFBIG_CFLAGS, CONFSTR },
 552 #endif
 553 #ifdef _CS_XBS5_ILP32_OFFBIG_LDFLAGS
 554     { "XBS5_ILP32_OFFBIG_LDFLAGS", _CS_XBS5_ILP32_OFFBIG_LDFLAGS, CONFSTR },
 555 #endif
 556 #ifdef _CS_XBS5_ILP32_OFFBIG_LIBS
 557     { "XBS5_ILP32_OFFBIG_LIBS", _CS_XBS5_ILP32_OFFBIG_LIBS, CONFSTR },
 558 #endif
 559 #ifdef _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
 560     { "XBS5_ILP32_OFFBIG_LINTFLAGS", _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
 561 #endif
 562
 563 #ifdef _SC_XBS5_LP64_OFF64
 564     { "_XBS5_LP64_OFF64", _SC_XBS5_LP64_OFF64, SYSCONF },
 565 #endif
 566 #ifdef _CS_XBS5_LP64_OFF64_CFLAGS
 567     { "XBS5_LP64_OFF64_CFLAGS", _CS_XBS5_LP64_OFF64_CFLAGS, CONFSTR },
 568 #endif
 569 #ifdef _CS_XBS5_LP64_OFF64_LDFLAGS
 570     { "XBS5_LP64_OFF64_LDFLAGS", _CS_XBS5_LP64_OFF64_LDFLAGS, CONFSTR },
 571 #endif
 572 #ifdef _CS_XBS5_LP64_OFF64_LIBS
 573     { "XBS5_LP64_OFF64_LIBS", _CS_XBS5_LP64_OFF64_LIBS, CONFSTR },
 574 #endif
 575 #ifdef _CS_XBS5_LP64_OFF64_LINTFLAGS
 576     { "XBS5_LP64_OFF64_LINTFLAGS", _CS_XBS5_LP64_OFF64_LINTFLAGS, CONFSTR },
 577 #endif
 578
 579 #ifdef _SC_XBS5_LPBIG_OFFBIG
 580     { "_XBS5_LPBIG_OFFBIG", _SC_XBS5_LPBIG_OFFBIG, SYSCONF },
 581 #endif
 582 #ifdef _CS_XBS5_LPBIG_OFFBIG_CFLAGS
 583     { "XBS5_LPBIG_OFFBIG_CFLAGS", _CS_XBS5_LPBIG_OFFBIG_CFLAGS, CONFSTR },
 584 #endif
 585 #ifdef _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
 586     { "XBS5_LPBIG_OFFBIG_LDFLAGS", _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
 587 #endif
 588 #ifdef _CS_XBS5_LPBIG_OFFBIG_LIBS
 589     { "XBS5_LPBIG_OFFBIG_LIBS", _CS_XBS5_LPBIG_OFFBIG_LIBS, CONFSTR },
 590 #endif
 591 #ifdef _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
 592     { "XBS5_LPBIG_OFFBIG_LINTFLAGS", _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
 593 #endif
 594
 595 #ifdef _SC_V6_ILP32_OFF32
 596     { "_POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32, SYSCONF },
 597 #endif
 598 #ifdef _CS_POSIX_V6_ILP32_OFF32_CFLAGS
 599     { "POSIX_V6_ILP32_OFF32_CFLAGS", _CS_POSIX_V6_ILP32_OFF32_CFLAGS, CONFSTR },
 600 #endif
 601 #ifdef _CS_POSIX_V6_ILP32_OFF32_LDFLAGS
 602     { "POSIX_V6_ILP32_OFF32_LDFLAGS", _CS_POSIX_V6_ILP32_OFF32_LDFLAGS, CONFSTR },
 603 #endif
 604 #ifdef _CS_POSIX_V6_ILP32_OFF32_LIBS
 605     { "POSIX_V6_ILP32_OFF32_LIBS", _CS_POSIX_V6_ILP32_OFF32_LIBS, CONFSTR },
 606 #endif
 607 #ifdef _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS
 608     { "POSIX_V6_ILP32_OFF32_LINTFLAGS", _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS, CONFSTR },
 609 #endif
 610
 611 #ifdef _CS_V6_WIDTH_RESTRICTED_ENVS
 612     { "_POSIX_V6_WIDTH_RESTRICTED_ENVS", _CS_V6_WIDTH_RESTRICTED_ENVS, CONFSTR },
 613     { "POSIX_V6_WIDTH_RESTRICTED_ENVS", _CS_V6_WIDTH_RESTRICTED_ENVS, CONFSTR },
 614 #endif
 615
 616 #ifdef _SC_V6_ILP32_OFFBIG
 617     { "_POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG, SYSCONF },
 618 #endif
 619 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS
 620     { "POSIX_V6_ILP32_OFFBIG_CFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS, CONFSTR },
 621 #endif
 622 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS
 623     { "POSIX_V6_ILP32_OFFBIG_LDFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS, CONFSTR },
 624 #endif
 625 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LIBS
 626     { "POSIX_V6_ILP32_OFFBIG_LIBS", _CS_POSIX_V6_ILP32_OFFBIG_LIBS, CONFSTR },
 627 #endif
 628 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS
 629     { "POSIX_V6_ILP32_OFFBIG_LINTFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
 630 #endif
 631
 632 #ifdef _SC_V6_LP64_OFF64
 633     { "_POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64, SYSCONF },
 634 #endif
 635 #ifdef _CS_POSIX_V6_LP64_OFF64_CFLAGS
 636     { "POSIX_V6_LP64_OFF64_CFLAGS", _CS_POSIX_V6_LP64_OFF64_CFLAGS, CONFSTR },
 637 #endif
 638 #ifdef _CS_POSIX_V6_LP64_OFF64_LDFLAGS
 639     { "POSIX_V6_LP64_OFF64_LDFLAGS", _CS_POSIX_V6_LP64_OFF64_LDFLAGS, CONFSTR },
 640 #endif
 641 #ifdef _CS_POSIX_V6_LP64_OFF64_LIBS
 642     { "POSIX_V6_LP64_OFF64_LIBS", _CS_POSIX_V6_LP64_OFF64_LIBS, CONFSTR },
 643 #endif
 644 #ifdef _CS_POSIX_V6_LP64_OFF64_LINTFLAGS
 645     { "POSIX_V6_LP64_OFF64_LINTFLAGS", _CS_POSIX_V6_LP64_OFF64_LINTFLAGS, CONFSTR },
 646 #endif
 647
 648 #ifdef _SC_V6_LPBIG_OFFBIG
 649     { "_POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG, SYSCONF },
 650 #endif
 651 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS
 652     { "POSIX_V6_LPBIG_OFFBIG_CFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS, CONFSTR },
 653 #endif
 654 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS
 655     { "POSIX_V6_LPBIG_OFFBIG_LDFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
 656 #endif
 657 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LIBS
 658     { "POSIX_V6_LPBIG_OFFBIG_LIBS", _CS_POSIX_V6_LPBIG_OFFBIG_LIBS, CONFSTR },
 659 #endif
 660 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS
 661     { "POSIX_V6_LPBIG_OFFBIG_LINTFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
 662 #endif
 663
 664 #ifdef _SC_ADVISORY_INFO
 665     { "_POSIX_ADVISORY_INFO", _SC_ADVISORY_INFO, SYSCONF },
 666 #endif
 667 #ifdef _SC_BARRIERS
 668     { "_POSIX_BARRIERS", _SC_BARRIERS, SYSCONF },
 669 #endif
 670 #ifdef _SC_BASE
 671     { "_POSIX_BASE", _SC_BASE, SYSCONF },
 672 #endif
 673 #ifdef _SC_C_LANG_SUPPORT
 674     { "_POSIX_C_LANG_SUPPORT", _SC_C_LANG_SUPPORT, SYSCONF },
 675 #endif
 676 #ifdef _SC_C_LANG_SUPPORT_R
 677     { "_POSIX_C_LANG_SUPPORT_R", _SC_C_LANG_SUPPORT_R, SYSCONF },
 678 #endif
 679 #ifdef _SC_CLOCK_SELECTION
 680     { "_POSIX_CLOCK_SELECTION", _SC_CLOCK_SELECTION, SYSCONF },
 681 #endif
 682 #ifdef _SC_CPUTIME
 683     { "_POSIX_CPUTIME", _SC_CPUTIME, SYSCONF },
 684 #endif
 685 #ifdef _SC_THREAD_CPUTIME
 686     { "_POSIX_THREAD_CPUTIME", _SC_THREAD_CPUTIME, SYSCONF },
 687 #endif
 688 #ifdef _SC_DEVICE_SPECIFIC
 689     { "_POSIX_DEVICE_SPECIFIC", _SC_DEVICE_SPECIFIC, SYSCONF },
 690 #endif
 691 #ifdef _SC_DEVICE_SPECIFIC_R
 692     { "_POSIX_DEVICE_SPECIFIC_R", _SC_DEVICE_SPECIFIC_R, SYSCONF },
 693 #endif
 694 #ifdef _SC_FD_MGMT
 695     { "_POSIX_FD_MGMT", _SC_FD_MGMT, SYSCONF },
 696 #endif
 697 #ifdef _SC_FIFO
 698     { "_POSIX_FIFO", _SC_FIFO, SYSCONF },
 699 #endif
 700 #ifdef _SC_PIPE
 701     { "_POSIX_PIPE", _SC_PIPE, SYSCONF },
 702 #endif
 703 #ifdef _SC_FILE_ATTRIBUTES
 704     { "_POSIX_FILE_ATTRIBUTES", _SC_FILE_ATTRIBUTES, SYSCONF },
 705 #endif
 706 #ifdef _SC_FILE_LOCKING
 707     { "_POSIX_FILE_LOCKING", _SC_FILE_LOCKING, SYSCONF },
 708 #endif
 709 #ifdef _SC_FILE_SYSTEM
 710     { "_POSIX_FILE_SYSTEM", _SC_FILE_SYSTEM, SYSCONF },
 711 #endif
 712 #ifdef _SC_MONOTONIC_CLOCK
 713     { "_POSIX_MONOTONIC_CLOCK", _SC_MONOTONIC_CLOCK, SYSCONF },
 714 #endif
 715 #ifdef _SC_MULTI_PROCESS
 716     { "_POSIX_MULTI_PROCESS", _SC_MULTI_PROCESS, SYSCONF },
 717 #endif
 718 #ifdef _SC_SINGLE_PROCESS
 719     { "_POSIX_SINGLE_PROCESS", _SC_SINGLE_PROCESS, SYSCONF },
 720 #endif
 721 #ifdef _SC_NETWORKING
 722     { "_POSIX_NETWORKING", _SC_NETWORKING, SYSCONF },
 723 #endif
 724 #ifdef _SC_READER_WRITER_LOCKS
 725     { "_POSIX_READER_WRITER_LOCKS", _SC_READER_WRITER_LOCKS, SYSCONF },
 726 #endif
 727 #ifdef _SC_SPIN_LOCKS
 728     { "_POSIX_SPIN_LOCKS", _SC_SPIN_LOCKS, SYSCONF },
 729 #endif
 730 #ifdef _SC_REGEXP
 731     { "_POSIX_REGEXP", _SC_REGEXP, SYSCONF },
 732 #endif
 733 #ifdef _SC_REGEX_VERSION
 734     { "_REGEX_VERSION", _SC_REGEX_VERSION, SYSCONF },
 735 #endif
 736 #ifdef _SC_SHELL
 737     { "_POSIX_SHELL", _SC_SHELL, SYSCONF },
 738 #endif
 739 #ifdef _SC_SIGNALS
 740     { "_POSIX_SIGNALS", _SC_SIGNALS, SYSCONF },
 741 #endif
 742 #ifdef _SC_SPAWN
 743     { "_POSIX_SPAWN", _SC_SPAWN, SYSCONF },
 744 #endif
 745 #ifdef _SC_SPORADIC_SERVER
 746     { "_POSIX_SPORADIC_SERVER", _SC_SPORADIC_SERVER, SYSCONF },
 747 #endif
 748 #ifdef _SC_THREAD_SPORADIC_SERVER
 749     { "_POSIX_THREAD_SPORADIC_SERVER", _SC_THREAD_SPORADIC_SERVER, SYSCONF },
 750 #endif
 751 #ifdef _SC_SYSTEM_DATABASE
 752     { "_POSIX_SYSTEM_DATABASE", _SC_SYSTEM_DATABASE, SYSCONF },
 753 #endif
 754 #ifdef _SC_SYSTEM_DATABASE_R
 755     { "_POSIX_SYSTEM_DATABASE_R", _SC_SYSTEM_DATABASE_R, SYSCONF },
 756 #endif
 757 #ifdef _SC_TIMEOUTS
 758     { "_POSIX_TIMEOUTS", _SC_TIMEOUTS, SYSCONF },
 759 #endif
 760 #ifdef _SC_TYPED_MEMORY_OBJECTS
 761     { "_POSIX_TYPED_MEMORY_OBJECTS", _SC_TYPED_MEMORY_OBJECTS, SYSCONF },
 762 #endif
 763 #ifdef _SC_USER_GROUPS
 764     { "_POSIX_USER_GROUPS", _SC_USER_GROUPS, SYSCONF },
 765 #endif
 766 #ifdef _SC_USER_GROUPS_R
 767     { "_POSIX_USER_GROUPS_R", _SC_USER_GROUPS_R, SYSCONF },
 768 #endif
 769 #ifdef _SC_2_PBS
 770     { "POSIX2_PBS", _SC_2_PBS, SYSCONF },
 771 #endif
 772 #ifdef _SC_2_PBS_ACCOUNTING
 773     { "POSIX2_PBS_ACCOUNTING", _SC_2_PBS_ACCOUNTING, SYSCONF },
 774 #endif
 775 #ifdef _SC_2_PBS_LOCATE
 776     { "POSIX2_PBS_LOCATE", _SC_2_PBS_LOCATE, SYSCONF },
 777 #endif
 778 #ifdef _SC_2_PBS_TRACK
 779     { "POSIX2_PBS_TRACK", _SC_2_PBS_TRACK, SYSCONF },
 780 #endif
 781 #ifdef _SC_2_PBS_MESSAGE
 782     { "POSIX2_PBS_MESSAGE", _SC_2_PBS_MESSAGE, SYSCONF },
 783 #endif
 784 #ifdef _SC_SYMLOOP_MAX
 785     { "SYMLOOP_MAX", _SC_SYMLOOP_MAX, SYSCONF },
 786 #endif
 787 #ifdef _SC_STREAM_MAX
 788     { "STREAM_MAX", _SC_STREAM_MAX, SYSCONF },
 789 #endif
 790 #ifdef _SC_AIO_LISTIO_MAX
 791     { "AIO_LISTIO_MAX", _SC_AIO_LISTIO_MAX, SYSCONF },
 792 #endif
 793 #ifdef _SC_AIO_MAX
 794     { "AIO_MAX", _SC_AIO_MAX, SYSCONF },
 795 #endif
 796 #ifdef _SC_AIO_PRIO_DELTA_MAX
 797     { "AIO_PRIO_DELTA_MAX", _SC_AIO_PRIO_DELTA_MAX, SYSCONF },
 798 #endif
 799 #ifdef _SC_DELAYTIMER_MAX
 800     { "DELAYTIMER_MAX", _SC_DELAYTIMER_MAX, SYSCONF },
 801 #endif
 802 #ifdef _SC_HOST_NAME_MAX
 803     { "HOST_NAME_MAX", _SC_HOST_NAME_MAX, SYSCONF },
 804 #endif
 805 #ifdef _SC_LOGIN_NAME_MAX
 806     { "LOGIN_NAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF },
 807 #endif
 808 #ifdef _SC_MQ_OPEN_MAX
 809     { "MQ_OPEN_MAX", _SC_MQ_OPEN_MAX, SYSCONF },
 810 #endif
 811 #ifdef _SC_MQ_PRIO_MAX
 812     { "MQ_PRIO_MAX", _SC_MQ_PRIO_MAX, SYSCONF },
 813 #endif
 814 #ifdef _SC_DEVICE_IO
 815     { "_POSIX_DEVICE_IO", _SC_DEVICE_IO, SYSCONF },
 816 #endif
 817 #ifdef _SC_TRACE
 818     { "_POSIX_TRACE", _SC_TRACE, SYSCONF },
 819 #endif
 820 #ifdef _SC_TRACE_EVENT_FILTER
 821     { "_POSIX_TRACE_EVENT_FILTER", _SC_TRACE_EVENT_FILTER, SYSCONF },
 822 #endif
 823 #ifdef _SC_TRACE_INHERIT
 824     { "_POSIX_TRACE_INHERIT", _SC_TRACE_INHERIT, SYSCONF },
 825 #endif
 826 #ifdef _SC_TRACE_LOG
 827     { "_POSIX_TRACE_LOG", _SC_TRACE_LOG, SYSCONF },
 828 #endif
 829 #ifdef _SC_RTSIG_MAX
 830     { "RTSIG_MAX", _SC_RTSIG_MAX, SYSCONF },
 831 #endif
 832 #ifdef _SC_SEM_NSEMS_MAX
 833     { "SEM_NSEMS_MAX", _SC_SEM_NSEMS_MAX, SYSCONF },
 834 #endif
 835 #ifdef _SC_SEM_VALUE_MAX
 836     { "SEM_VALUE_MAX", _SC_SEM_VALUE_MAX, SYSCONF },
 837 #endif
 838 #ifdef _SC_SIGQUEUE_MAX
 839     { "SIGQUEUE_MAX", _SC_SIGQUEUE_MAX, SYSCONF },
 840 #endif
 841 #ifdef _PC_FILESIZEBITS
 842     { "FILESIZEBITS", _PC_FILESIZEBITS, PATHCONF },
 843 #endif
 844 #ifdef _PC_ALLOC_SIZE_MIN
 845     { "POSIX_ALLOC_SIZE_MIN", _PC_ALLOC_SIZE_MIN, PATHCONF },
 846 #endif
 847 #ifdef _PC_REC_INCR_XFER_SIZE
 848     { "POSIX_REC_INCR_XFER_SIZE", _PC_REC_INCR_XFER_SIZE, PATHCONF },
 849 #endif
 850 #ifdef _PC_REC_MAX_XFER_SIZE
 851     { "POSIX_REC_MAX_XFER_SIZE", _PC_REC_MAX_XFER_SIZE, PATHCONF },
 852 #endif
 853 #ifdef _PC_REC_MIN_XFER_SIZE
 854     { "POSIX_REC_MIN_XFER_SIZE", _PC_REC_MIN_XFER_SIZE, PATHCONF },
 855 #endif
 856 #ifdef _PC_REC_XFER_ALIGN
 857     { "POSIX_REC_XFER_ALIGN", _PC_REC_XFER_ALIGN, PATHCONF },
 858 #endif
 859 #ifdef _PC_SYMLINK_MAX
 860     { "SYMLINK_MAX", _PC_SYMLINK_MAX, PATHCONF },
 861 #endif
 862 #ifdef _CS_GNU_LIBC_VERSION
 863     { "GNU_LIBC_VERSION", _CS_GNU_LIBC_VERSION, CONFSTR },
 864 #endif
 865 #ifdef _CS_GNU_LIBPTHREAD_VERSION
 866     { "GNU_LIBPTHREAD_VERSION", _CS_GNU_LIBPTHREAD_VERSION, CONFSTR },
 867 #endif
 868 #ifdef _PC_2_SYMLINKS
 869     { "POSIX2_SYMLINKS", _PC_2_SYMLINKS, PATHCONF },
 870 #endif
 871
 872 #ifdef _SC_LEVEL1_ICACHE_SIZE
 873     { "LEVEL1_ICACHE_SIZE", _SC_LEVEL1_ICACHE_SIZE, SYSCONF },
 874 #endif
 875 #ifdef _SC_LEVEL1_ICACHE_ASSOC
 876     { "LEVEL1_ICACHE_ASSOC", _SC_LEVEL1_ICACHE_ASSOC, SYSCONF },
 877 #endif
 878 #ifdef _SC_LEVEL1_ICACHE_LINESIZE
 879     { "LEVEL1_ICACHE_LINESIZE", _SC_LEVEL1_ICACHE_LINESIZE, SYSCONF },
 880 #endif
 881 #ifdef _SC_LEVEL1_DCACHE_SIZE
 882     { "LEVEL1_DCACHE_SIZE", _SC_LEVEL1_DCACHE_SIZE, SYSCONF },
 883 #endif
 884 #ifdef _SC_LEVEL1_DCACHE_ASSOC
 885     { "LEVEL1_DCACHE_ASSOC", _SC_LEVEL1_DCACHE_ASSOC, SYSCONF },
 886 #endif
 887 #ifdef _SC_LEVEL1_DCACHE_LINESIZE
 888     { "LEVEL1_DCACHE_LINESIZE", _SC_LEVEL1_DCACHE_LINESIZE, SYSCONF },
 889 #endif
 890 #ifdef _SC_LEVEL2_CACHE_SIZE
 891     { "LEVEL2_CACHE_SIZE", _SC_LEVEL2_CACHE_SIZE, SYSCONF },
 892 #endif
 893 #ifdef _SC_LEVEL2_CACHE_ASSOC
 894     { "LEVEL2_CACHE_ASSOC", _SC_LEVEL2_CACHE_ASSOC, SYSCONF },
 895 #endif
 896 #ifdef _SC_LEVEL2_CACHE_LINESIZE
 897     { "LEVEL2_CACHE_LINESIZE", _SC_LEVEL2_CACHE_LINESIZE, SYSCONF },
 898 #endif
 899 #ifdef _SC_LEVEL3_CACHE_SIZE
 900     { "LEVEL3_CACHE_SIZE", _SC_LEVEL3_CACHE_SIZE, SYSCONF },
 901 #endif
 902 #ifdef _SC_LEVEL3_CACHE_ASSOC
 903     { "LEVEL3_CACHE_ASSOC", _SC_LEVEL3_CACHE_ASSOC, SYSCONF },
 904 #endif
 905 #ifdef _SC_LEVEL3_CACHE_LINESIZE
 906     { "LEVEL3_CACHE_LINESIZE", _SC_LEVEL3_CACHE_LINESIZE, SYSCONF },
 907 #endif
 908 #ifdef _SC_LEVEL4_CACHE_SIZE
 909     { "LEVEL4_CACHE_SIZE", _SC_LEVEL4_CACHE_SIZE, SYSCONF },
 910 #endif
 911 #ifdef _SC_LEVEL4_CACHE_ASSOC
 912     { "LEVEL4_CACHE_ASSOC", _SC_LEVEL4_CACHE_ASSOC, SYSCONF },
 913 #endif
 914 #ifdef _SC_LEVEL4_CACHE_LINESIZE
 915     { "LEVEL4_CACHE_LINESIZE", _SC_LEVEL4_CACHE_LINESIZE, SYSCONF },
 916 #endif
 917
 918 #ifdef _SC_IPV6
 919     { "IPV6", _SC_IPV6, SYSCONF },
 920 #endif
 921 #ifdef _SC_RAW_SOCKETS
 922     { "RAW_SOCKETS", _SC_RAW_SOCKETS, SYSCONF },
 923 #endif
 924
 925     { NULL, 0, SYSCONF }
 926   };
 927
 928
 929 static struct { const char *name; int num; } specs[] =
 930   {
 931     { "POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32 },
 932     { "POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG },
 933     { "POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64 },
 934     { "POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG }
 935   };
 936 static const int nspecs = sizeof (specs) / sizeof (specs[0]);
 937
 938 extern const char *__progname;
 939
 940
 941 static void
 942 usage (void)
 943 {
 944   fprintf (stderr,
 945            _("Usage: %s [-v specification] variable_name [pathname]\n"),
 946            __progname);
 947   fprintf (stderr,
 948            _("       %s -a [pathname]\n"), __progname);
 949   exit (2);
 950 }
 951
 952 static void
 953 print_all (const char *path)
 954 {
 955   register const struct conf *c;
 956   size_t clen;
 957   long int value;
 958   char *cvalue;
 959   for (c = vars; c->name != NULL; ++c) {
 960     printf("%-35s", c->name);
 961     switch (c->call) {
 962       case PATHCONF:
 963         value = pathconf (path, c->call_name);
 964         if (value != -1) {
 965           printf("%ld", value);
 966         }
 967         printf("\n");
 968         break;
 969       case SYSCONF:
 970         value = sysconf (c->call_name);
 971         if (value == -1l) {
 972           if (c->call_name == _SC_UINT_MAX
 973             || c->call_name == _SC_ULONG_MAX)
 974             printf ("%lu", value);
 975         }
 976         else {
 977           printf ("%ld", value);
 978         }
 979         printf ("\n");
 980         break;
 981       case CONFSTR:
 982         clen = confstr (c->call_name, (char *) NULL, 0);
 983         cvalue = (char *) malloc (clen);
 984         if (cvalue == NULL)
 985           error (3, 0, _("memory exhausted"));
 986         if (confstr (c->call_name, cvalue, clen) != clen)
 987           error (3, errno, "confstr");
 988         printf ("%.*s\n", (int) clen, cvalue);
 989         free (cvalue);
 990         break;
 991     }
 992   }
 993   exit (0);
 994 }
 995
 996 int
 997 main (int argc, char *argv[])
 998 {
 999   register const struct conf *c;
1000
1001   /* Set locale.  Do not set LC_ALL because the other categories must
1002      not be affected (according to POSIX.2).  */
1003   setlocale (LC_CTYPE, "");
1004   setlocale (LC_MESSAGES, "");
1005
1006   /* Initialize the message catalog.  */
1007   textdomain (PACKAGE);
1008
1009   if (argc > 1 && strcmp (argv[1], "--version") == 0)
1010     {
1011       fprintf (stderr, "getconf (GNU %s) %s\n", PACKAGE, VERSION);
1012       fprintf (stderr, gettext ("\
1013 Copyright (C) %s Free Software Foundation, Inc.\n\
1014 This is free software; see the source for copying conditions.  There is NO\n\
1015 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
1016 "), "2008");
1017       fprintf (stderr, gettext ("Written by %s.\n"), "Roland McGrath");
1018       return 0;
1019     }
1020
1021   const char *getconf_dir = getenv ("GETCONF_DIR") ?: GETCONF_DIR;
1022   size_t getconf_dirlen = strlen (getconf_dir);
1023
1024   const char *spec = NULL;
1025   char buf[sizeof "POSIX_V6_LPBIG_OFFBIG"];
1026   char *argv0 = argv[0];
1027   if (argc > 1 && strncmp (argv[1], "-v", 2) == 0)
1028     {
1029       if (argv[1][2] == '\0')
1030         {
1031           if (argc < 3)
1032             usage ();
1033
1034           spec = argv[2];
1035           argv += 2;
1036           argc -= 2;
1037         }
1038       else
1039         {
1040           spec = &argv[1][2];
1041           argv += 1;
1042           argc += 1;
1043         }
1044     }
1045   else
1046     {
1047       char default_name[getconf_dirlen + sizeof "/default"];
1048       memcpy (mempcpy (default_name, getconf_dir, getconf_dirlen),
1049               "/default", sizeof "/default");
1050       int len = readlink (default_name, buf, sizeof buf - 1);
1051       if (len > 0)
1052         {
1053           buf[len] = '\0';
1054           spec = buf;
1055         }
1056     }
1057
1058   /* Check for the specifications we know.  */
1059   if (spec != NULL)
1060     {
1061       int i;
1062       for (i = 0; i < nspecs; ++i)
1063         if (strcmp (spec, specs[i].name) == 0)
1064           break;
1065
1066       if (i == nspecs)
1067         error (2, 0, _("unknown specification \"%s\""), spec);
1068
1069       switch (specs[i].num)
1070         {
1071 #ifndef _POSIX_V6_ILP32_OFF32
1072           case _SC_V6_ILP32_OFF32:
1073 #endif
1074 #ifndef _POSIX_V6_ILP32_OFFBIG
1075           case _SC_V6_ILP32_OFFBIG:
1076 #endif
1077 #ifndef _POSIX_V6_LP64_OFF64
1078           case _SC_V6_LP64_OFF64:
1079 #endif
1080 #ifndef _POSIX_V6_LPBIG_OFFBIG
1081           case _SC_V6_LPBIG_OFFBIG:
1082 #endif
1083             {
1084               const char *args[argc + 3];
1085               size_t spec_len = strlen (spec);
1086               char getconf_name[getconf_dirlen + 1 + spec_len + 1];
1087               memcpy (mempcpy (mempcpy (getconf_name, getconf_dir,
1088                                         getconf_dirlen),
1089                                "/", 1), spec, spec_len + 1);
1090               args[0] = argv0;
1091               args[1] = "-v";
1092               args[2] = spec;
1093               memcpy (&args[3], &argv[1], argc * sizeof (argv[1]));
1094               execv (getconf_name, (char * const *) args);
1095               error (4, errno, _("Couldn't execute %s"), getconf_name);
1096             }
1097           default:
1098             break;
1099         }
1100     }
1101
1102   if (argc > 1 && strcmp (argv[1], "-a") == 0)
1103     {
1104       if (argc == 2)
1105         print_all ("/");
1106       else if (argc == 3)
1107         print_all (argv[2]);
1108       else
1109         usage ();
1110     }
1111
1112   if (argc < 2 || argc > 3)
1113     usage ();
1114
1115   for (c = vars; c->name != NULL; ++c)
1116     if (strcmp (c->name, argv[1]) == 0
1117         || (strncmp (c->name, "_POSIX_", 7) == 0
1118             && strcmp (c->name + 7, argv[1]) == 0))
1119       {
1120         long int value;
1121         size_t clen;
1122         char *cvalue;
1123         switch (c->call)
1124           {
1125           case PATHCONF:
1126             if (argc < 3)
1127               usage ();
1128             errno = 0;
1129             value = pathconf (argv[2], c->call_name);
1130             if (value == -1)
1131               {
1132                 if (errno)
1133                   error (3, errno, "pathconf: %s", argv[2]);
1134                 else
1135                   puts (_("undefined"));
1136               }
1137             else
1138               printf ("%ld\n", value);
1139             exit (0);
1140
1141           case SYSCONF:
1142             if (argc > 2)
1143               usage ();
1144             value = sysconf (c->call_name);
1145             if (value == -1l)
1146               {
1147                 if (c->call_name == _SC_UINT_MAX
1148                     || c->call_name == _SC_ULONG_MAX)
1149                   printf ("%lu\n", value);
1150                 else
1151                   puts (_("undefined"));
1152               }
1153             else
1154               printf ("%ld\n", value);
1155             exit (0);
1156
1157           case CONFSTR:
1158             if (argc > 2)
1159               usage ();
1160             clen = confstr (c->call_name, (char *) NULL, 0);
1161             cvalue = (char *) malloc (clen);
1162             if (cvalue == NULL)
1163               error (3, 0, _("memory exhausted"));
1164
1165             if (confstr (c->call_name, cvalue, clen) != clen)
1166               error (3, errno, "confstr");
1167
1168             printf ("%.*s\n", (int) clen, cvalue);
1169             exit (0);
1170           }
1171       }
1172
1173   error (2, 0, _("Unrecognized variable `%s'"), argv[1]);
1174   /* NOTREACHED */
1175   return 2;
1176 }