posix/getconf.c

   1 /* Copyright (C) 1991, 92, 1995-2006, 2007 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 version 2 as
   6    published by the Free Software Foundation.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program; if not, write to the Free Software Foundation,
  15    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  16
  17 #include <unistd.h>
  18 #include <errno.h>
  19 #include <error.h>
  20 #include <libintl.h>
  21 #include <locale.h>
  22 #include <string.h>
  23 #include <stdlib.h>
  24 #include <stdio.h>
  25
  26 #include "../version.h"
  27 #define PACKAGE _libc_intl_domainname
  28
  29 struct conf
  30   {
  31     const char *name;
  32     const int call_name;
  33     const enum { SYSCONF, CONFSTR, PATHCONF } call;
  34   };
  35
  36 static const struct conf vars[] =
  37   {
  38 #ifdef _PC_LINK_MAX
  39     { "LINK_MAX", _PC_LINK_MAX, PATHCONF },
  40 #endif
  41 #ifdef _PC_LINK_MAX
  42     { "_POSIX_LINK_MAX", _PC_LINK_MAX, PATHCONF },
  43 #endif
  44 #ifdef _PC_MAX_CANON
  45     { "MAX_CANON", _PC_MAX_CANON, PATHCONF },
  46 #endif
  47 #ifdef _PC_MAX_CANON
  48     { "_POSIX_MAX_CANON", _PC_MAX_CANON, PATHCONF },
  49 #endif
  50 #ifdef _PC_MAX_INPUT
  51     { "MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
  52 #endif
  53 #ifdef _PC_MAX_INPUT
  54     { "_POSIX_MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
  55 #endif
  56 #ifdef _PC_NAME_MAX
  57     { "NAME_MAX", _PC_NAME_MAX, PATHCONF },
  58 #endif
  59 #ifdef _PC_NAME_MAX
  60     { "_POSIX_NAME_MAX", _PC_NAME_MAX, PATHCONF },
  61 #endif
  62 #ifdef _PC_PATH_MAX
  63     { "PATH_MAX", _PC_PATH_MAX, PATHCONF },
  64 #endif
  65 #ifdef _PC_PATH_MAX
  66     { "_POSIX_PATH_MAX", _PC_PATH_MAX, PATHCONF },
  67 #endif
  68 #ifdef _PC_PIPE_BUF
  69     { "PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
  70 #endif
  71 #ifdef _PC_PIPE_BUF
  72     { "_POSIX_PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
  73 #endif
  74 #ifdef _PC_SOCK_MAXBUF
  75     { "SOCK_MAXBUF", _PC_SOCK_MAXBUF, PATHCONF },
  76 #endif
  77 #ifdef _PC_ASYNC_IO
  78     { "_POSIX_ASYNC_IO", _PC_ASYNC_IO, PATHCONF },
  79 #endif
  80 #ifdef _PC_CHOWN_RESTRICTED
  81     { "_POSIX_CHOWN_RESTRICTED", _PC_CHOWN_RESTRICTED, PATHCONF },
  82 #endif
  83 #ifdef _PC_NO_TRUNC
  84     { "_POSIX_NO_TRUNC", _PC_NO_TRUNC, PATHCONF },
  85 #endif
  86 #ifdef _PC_PRIO_IO
  87     { "_POSIX_PRIO_IO", _PC_PRIO_IO, PATHCONF },
  88 #endif
  89 #ifdef _PC_SYNC_IO
  90     { "_POSIX_SYNC_IO", _PC_SYNC_IO, PATHCONF },
  91 #endif
  92 #ifdef _PC_VDISABLE
  93     { "_POSIX_VDISABLE", _PC_VDISABLE, PATHCONF },
  94 #endif
  95
  96 #ifdef _SC_ARG_MAX
  97     { "ARG_MAX", _SC_ARG_MAX, SYSCONF },
  98 #endif
  99 #ifdef _SC_ATEXIT_MAX
 100     { "ATEXIT_MAX", _SC_ATEXIT_MAX, SYSCONF },
 101 #endif
 102 #ifdef _SC_CHAR_BIT
 103     { "CHAR_BIT", _SC_CHAR_BIT, SYSCONF },
 104 #endif
 105 #ifdef _SC_CHAR_MAX
 106     { "CHAR_MAX", _SC_CHAR_MAX, SYSCONF },
 107 #endif
 108 #ifdef _SC_CHAR_MIN
 109     { "CHAR_MIN", _SC_CHAR_MIN, SYSCONF },
 110 #endif
 111 #ifdef _SC_CHILD_MAX
 112     { "CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
 113 #endif
 114 #ifdef _SC_CLK_TCK
 115     { "CLK_TCK", _SC_CLK_TCK, SYSCONF },
 116 #endif
 117 #ifdef _SC_INT_MAX
 118     { "INT_MAX", _SC_INT_MAX, SYSCONF },
 119 #endif
 120 #ifdef _SC_INT_MIN
 121     { "INT_MIN", _SC_INT_MIN, SYSCONF },
 122 #endif
 123 #ifdef _SC_UIO_MAXIOV
 124     { "IOV_MAX", _SC_UIO_MAXIOV, SYSCONF },
 125 #endif
 126 #ifdef _SC_LOGIN_NAME_MAX
 127     { "LOGNAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF },
 128 #endif
 129 #ifdef _SC_LONG_BIT
 130     { "LONG_BIT", _SC_LONG_BIT, SYSCONF },
 131 #endif
 132 #ifdef _SC_MB_LEN_MAX
 133     { "MB_LEN_MAX", _SC_MB_LEN_MAX, SYSCONF },
 134 #endif
 135 #ifdef _SC_NGROUPS_MAX
 136     { "NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
 137 #endif
 138 #ifdef _SC_NL_ARGMAX
 139     { "NL_ARGMAX", _SC_NL_ARGMAX, SYSCONF },
 140 #endif
 141 #ifdef _SC_NL_LANGMAX
 142     { "NL_LANGMAX", _SC_NL_LANGMAX, SYSCONF },
 143 #endif
 144 #ifdef _SC_NL_MSGMAX
 145     { "NL_MSGMAX", _SC_NL_MSGMAX, SYSCONF },
 146 #endif
 147 #ifdef _SC_NL_NMAX
 148     { "NL_NMAX", _SC_NL_NMAX, SYSCONF },
 149 #endif
 150 #ifdef _SC_NL_SETMAX
 151     { "NL_SETMAX", _SC_NL_SETMAX, SYSCONF },
 152 #endif
 153 #ifdef _SC_NL_TEXTMAX
 154     { "NL_TEXTMAX", _SC_NL_TEXTMAX, SYSCONF },
 155 #endif
 156 #ifdef _SC_GETGR_R_SIZE_MAX
 157     { "NSS_BUFLEN_GROUP", _SC_GETGR_R_SIZE_MAX, SYSCONF },
 158 #endif
 159 #ifdef _SC_GETPW_R_SIZE_MAX
 160     { "NSS_BUFLEN_PASSWD", _SC_GETPW_R_SIZE_MAX, SYSCONF },
 161 #endif
 162 #ifdef _SC_NZERO
 163     { "NZERO", _SC_NZERO, SYSCONF },
 164 #endif
 165 #ifdef _SC_OPEN_MAX
 166     { "OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
 167 #endif
 168 #ifdef _SC_PAGESIZE
 169     { "PAGESIZE", _SC_PAGESIZE, SYSCONF },
 170 #endif
 171 #ifdef _SC_PAGESIZE
 172     { "PAGE_SIZE", _SC_PAGESIZE, SYSCONF },
 173 #endif
 174 #ifdef _SC_PASS_MAX
 175     { "PASS_MAX", _SC_PASS_MAX, SYSCONF },
 176 #endif
 177 #ifdef _SC_THREAD_DESTRUCTOR_ITERATIONS
 178     { "PTHREAD_DESTRUCTOR_ITERATIONS", _SC_THREAD_DESTRUCTOR_ITERATIONS, SYSCONF },
 179 #endif
 180 #ifdef _SC_THREAD_KEYS_MAX
 181     { "PTHREAD_KEYS_MAX", _SC_THREAD_KEYS_MAX, SYSCONF },
 182 #endif
 183 #ifdef _SC_THREAD_STACK_MIN
 184     { "PTHREAD_STACK_MIN", _SC_THREAD_STACK_MIN, SYSCONF },
 185 #endif
 186 #ifdef _SC_THREAD_THREADS_MAX
 187     { "PTHREAD_THREADS_MAX", _SC_THREAD_THREADS_MAX, SYSCONF },
 188 #endif
 189 #ifdef _SC_SCHAR_MAX
 190     { "SCHAR_MAX", _SC_SCHAR_MAX, SYSCONF },
 191 #endif
 192 #ifdef _SC_SCHAR_MIN
 193     { "SCHAR_MIN", _SC_SCHAR_MIN, SYSCONF },
 194 #endif
 195 #ifdef _SC_SHRT_MAX
 196     { "SHRT_MAX", _SC_SHRT_MAX, SYSCONF },
 197 #endif
 198 #ifdef _SC_SHRT_MIN
 199     { "SHRT_MIN", _SC_SHRT_MIN, SYSCONF },
 200 #endif
 201 #ifdef _SC_SSIZE_MAX
 202     { "SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
 203 #endif
 204 #ifdef _SC_TTY_NAME_MAX
 205     { "TTY_NAME_MAX", _SC_TTY_NAME_MAX, SYSCONF },
 206 #endif
 207 #ifdef _SC_TZNAME_MAX
 208     { "TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
 209 #endif
 210 #ifdef _SC_UCHAR_MAX
 211     { "UCHAR_MAX", _SC_UCHAR_MAX, SYSCONF },
 212 #endif
 213 #ifdef _SC_UINT_MAX
 214     { "UINT_MAX", _SC_UINT_MAX, SYSCONF },
 215 #endif
 216 #ifdef _SC_UIO_MAXIOV
 217     { "UIO_MAXIOV", _SC_UIO_MAXIOV, SYSCONF },
 218 #endif
 219 #ifdef _SC_ULONG_MAX
 220     { "ULONG_MAX", _SC_ULONG_MAX, SYSCONF },
 221 #endif
 222 #ifdef _SC_USHRT_MAX
 223     { "USHRT_MAX", _SC_USHRT_MAX, SYSCONF },
 224 #endif
 225 #ifdef _SC_WORD_BIT
 226     { "WORD_BIT", _SC_WORD_BIT, SYSCONF },
 227 #endif
 228 #ifdef _SC_AVPHYS_PAGES
 229     { "_AVPHYS_PAGES", _SC_AVPHYS_PAGES, SYSCONF },
 230 #endif
 231 #ifdef _SC_NPROCESSORS_CONF
 232     { "_NPROCESSORS_CONF", _SC_NPROCESSORS_CONF, SYSCONF },
 233 #endif
 234 #ifdef _SC_NPROCESSORS_ONLN
 235     { "_NPROCESSORS_ONLN", _SC_NPROCESSORS_ONLN, SYSCONF },
 236 #endif
 237 #ifdef _SC_PHYS_PAGES
 238     { "_PHYS_PAGES", _SC_PHYS_PAGES, SYSCONF },
 239 #endif
 240 #ifdef _SC_ARG_MAX
 241     { "_POSIX_ARG_MAX", _SC_ARG_MAX, SYSCONF },
 242 #endif
 243 #ifdef _SC_ASYNCHRONOUS_IO
 244     { "_POSIX_ASYNCHRONOUS_IO", _SC_ASYNCHRONOUS_IO, SYSCONF },
 245 #endif
 246 #ifdef _SC_CHILD_MAX
 247     { "_POSIX_CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
 248 #endif
 249 #ifdef _SC_FSYNC
 250     { "_POSIX_FSYNC", _SC_FSYNC, SYSCONF },
 251 #endif
 252 #ifdef _SC_JOB_CONTROL
 253     { "_POSIX_JOB_CONTROL", _SC_JOB_CONTROL, SYSCONF },
 254 #endif
 255 #ifdef _SC_MAPPED_FILES
 256     { "_POSIX_MAPPED_FILES", _SC_MAPPED_FILES, SYSCONF },
 257 #endif
 258 #ifdef _SC_MEMLOCK
 259     { "_POSIX_MEMLOCK", _SC_MEMLOCK, SYSCONF },
 260 #endif
 261 #ifdef _SC_MEMLOCK_RANGE
 262     { "_POSIX_MEMLOCK_RANGE", _SC_MEMLOCK_RANGE, SYSCONF },
 263 #endif
 264 #ifdef _SC_MEMORY_PROTECTION
 265     { "_POSIX_MEMORY_PROTECTION", _SC_MEMORY_PROTECTION, SYSCONF },
 266 #endif
 267 #ifdef _SC_MESSAGE_PASSING
 268     { "_POSIX_MESSAGE_PASSING", _SC_MESSAGE_PASSING, SYSCONF },
 269 #endif
 270 #ifdef _SC_NGROUPS_MAX
 271     { "_POSIX_NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
 272 #endif
 273 #ifdef _SC_OPEN_MAX
 274     { "_POSIX_OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
 275 #endif
 276 #ifdef _SC_PII
 277     { "_POSIX_PII", _SC_PII, SYSCONF },
 278 #endif
 279 #ifdef _SC_PII_INTERNET
 280     { "_POSIX_PII_INTERNET", _SC_PII_INTERNET, SYSCONF },
 281 #endif
 282 #ifdef _SC_PII_INTERNET_DGRAM
 283     { "_POSIX_PII_INTERNET_DGRAM", _SC_PII_INTERNET_DGRAM, SYSCONF },
 284 #endif
 285 #ifdef _SC_PII_INTERNET_STREAM
 286     { "_POSIX_PII_INTERNET_STREAM", _SC_PII_INTERNET_STREAM, SYSCONF },
 287 #endif
 288 #ifdef _SC_PII_OSI
 289     { "_POSIX_PII_OSI", _SC_PII_OSI, SYSCONF },
 290 #endif
 291 #ifdef _SC_PII_OSI_CLTS
 292     { "_POSIX_PII_OSI_CLTS", _SC_PII_OSI_CLTS, SYSCONF },
 293 #endif
 294 #ifdef _SC_PII_OSI_COTS
 295     { "_POSIX_PII_OSI_COTS", _SC_PII_OSI_COTS, SYSCONF },
 296 #endif
 297 #ifdef _SC_PII_OSI_M
 298     { "_POSIX_PII_OSI_M", _SC_PII_OSI_M, SYSCONF },
 299 #endif
 300 #ifdef _SC_PII_SOCKET
 301     { "_POSIX_PII_SOCKET", _SC_PII_SOCKET, SYSCONF },
 302 #endif
 303 #ifdef _SC_PII_XTI
 304     { "_POSIX_PII_XTI", _SC_PII_XTI, SYSCONF },
 305 #endif
 306 #ifdef _SC_POLL
 307     { "_POSIX_POLL", _SC_POLL, SYSCONF },
 308 #endif
 309 #ifdef _SC_PRIORITIZED_IO
 310     { "_POSIX_PRIORITIZED_IO", _SC_PRIORITIZED_IO, SYSCONF },
 311 #endif
 312 #ifdef _SC_PRIORITY_SCHEDULING
 313     { "_POSIX_PRIORITY_SCHEDULING", _SC_PRIORITY_SCHEDULING, SYSCONF },
 314 #endif
 315 #ifdef _SC_REALTIME_SIGNALS
 316     { "_POSIX_REALTIME_SIGNALS", _SC_REALTIME_SIGNALS, SYSCONF },
 317 #endif
 318 #ifdef _SC_SAVED_IDS
 319     { "_POSIX_SAVED_IDS", _SC_SAVED_IDS, SYSCONF },
 320 #endif
 321 #ifdef _SC_SELECT
 322     { "_POSIX_SELECT", _SC_SELECT, SYSCONF },
 323 #endif
 324 #ifdef _SC_SEMAPHORES
 325     { "_POSIX_SEMAPHORES", _SC_SEMAPHORES, SYSCONF },
 326 #endif
 327 #ifdef _SC_SHARED_MEMORY_OBJECTS
 328     { "_POSIX_SHARED_MEMORY_OBJECTS", _SC_SHARED_MEMORY_OBJECTS, SYSCONF },
 329 #endif
 330 #ifdef _SC_SSIZE_MAX
 331     { "_POSIX_SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
 332 #endif
 333 #ifdef _SC_STREAM_MAX
 334     { "_POSIX_STREAM_MAX", _SC_STREAM_MAX, SYSCONF },
 335 #endif
 336 #ifdef _SC_SYNCHRONIZED_IO
 337     { "_POSIX_SYNCHRONIZED_IO", _SC_SYNCHRONIZED_IO, SYSCONF },
 338 #endif
 339 #ifdef _SC_THREADS
 340     { "_POSIX_THREADS", _SC_THREADS, SYSCONF },
 341 #endif
 342 #ifdef _SC_THREAD_ATTR_STACKADDR
 343     { "_POSIX_THREAD_ATTR_STACKADDR", _SC_THREAD_ATTR_STACKADDR, SYSCONF },
 344 #endif
 345 #ifdef _SC_THREAD_ATTR_STACKSIZE
 346     { "_POSIX_THREAD_ATTR_STACKSIZE", _SC_THREAD_ATTR_STACKSIZE, SYSCONF },
 347 #endif
 348 #ifdef _SC_THREAD_PRIORITY_SCHEDULING
 349     { "_POSIX_THREAD_PRIORITY_SCHEDULING", _SC_THREAD_PRIORITY_SCHEDULING, SYSCONF },
 350 #endif
 351 #ifdef _SC_THREAD_PRIO_INHERIT
 352     { "_POSIX_THREAD_PRIO_INHERIT", _SC_THREAD_PRIO_INHERIT, SYSCONF },
 353 #endif
 354 #ifdef _SC_THREAD_PRIO_PROTECT
 355     { "_POSIX_THREAD_PRIO_PROTECT", _SC_THREAD_PRIO_PROTECT, SYSCONF },
 356 #endif
 357 #ifdef _SC_THREAD_PROCESS_SHARED
 358     { "_POSIX_THREAD_PROCESS_SHARED", _SC_THREAD_PROCESS_SHARED, SYSCONF },
 359 #endif
 360 #ifdef _SC_THREAD_SAFE_FUNCTIONS
 361     { "_POSIX_THREAD_SAFE_FUNCTIONS", _SC_THREAD_SAFE_FUNCTIONS, SYSCONF },
 362 #endif
 363 #ifdef _SC_TIMERS
 364     { "_POSIX_TIMERS", _SC_TIMERS, SYSCONF },
 365 #endif
 366 #ifdef _SC_TIMER_MAX
 367     { "TIMER_MAX", _SC_TIMER_MAX, SYSCONF },
 368 #endif
 369 #ifdef _SC_TZNAME_MAX
 370     { "_POSIX_TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
 371 #endif
 372 #ifdef _SC_VERSION
 373     { "_POSIX_VERSION", _SC_VERSION, SYSCONF },
 374 #endif
 375 #ifdef _SC_T_IOV_MAX
 376     { "_T_IOV_MAX", _SC_T_IOV_MAX, SYSCONF },
 377 #endif
 378 #ifdef _SC_XOPEN_CRYPT
 379     { "_XOPEN_CRYPT", _SC_XOPEN_CRYPT, SYSCONF },
 380 #endif
 381 #ifdef _SC_XOPEN_ENH_I18N
 382     { "_XOPEN_ENH_I18N", _SC_XOPEN_ENH_I18N, SYSCONF },
 383 #endif
 384 #ifdef _SC_XOPEN_LEGACY
 385     { "_XOPEN_LEGACY", _SC_XOPEN_LEGACY, SYSCONF },
 386 #endif
 387 #ifdef _SC_XOPEN_REALTIME
 388     { "_XOPEN_REALTIME", _SC_XOPEN_REALTIME, SYSCONF },
 389 #endif
 390 #ifdef _SC_XOPEN_REALTIME_THREADS
 391     { "_XOPEN_REALTIME_THREADS", _SC_XOPEN_REALTIME_THREADS, SYSCONF },
 392 #endif
 393 #ifdef _SC_XOPEN_SHM
 394     { "_XOPEN_SHM", _SC_XOPEN_SHM, SYSCONF },
 395 #endif
 396 #ifdef _SC_XOPEN_UNIX
 397     { "_XOPEN_UNIX", _SC_XOPEN_UNIX, SYSCONF },
 398 #endif
 399 #ifdef _SC_XOPEN_VERSION
 400     { "_XOPEN_VERSION", _SC_XOPEN_VERSION, SYSCONF },
 401 #endif
 402 #ifdef _SC_XOPEN_XCU_VERSION
 403     { "_XOPEN_XCU_VERSION", _SC_XOPEN_XCU_VERSION, SYSCONF },
 404 #endif
 405 #ifdef _SC_XOPEN_XPG2
 406     { "_XOPEN_XPG2", _SC_XOPEN_XPG2, SYSCONF },
 407 #endif
 408 #ifdef _SC_XOPEN_XPG3
 409     { "_XOPEN_XPG3", _SC_XOPEN_XPG3, SYSCONF },
 410 #endif
 411 #ifdef _SC_XOPEN_XPG4
 412     { "_XOPEN_XPG4", _SC_XOPEN_XPG4, SYSCONF },
 413 #endif
 414     /* POSIX.2  */
 415 #ifdef _SC_BC_BASE_MAX
 416     { "BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
 417 #endif
 418 #ifdef _SC_BC_DIM_MAX
 419     { "BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
 420 #endif
 421 #ifdef _SC_BC_SCALE_MAX
 422     { "BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
 423 #endif
 424 #ifdef _SC_BC_STRING_MAX
 425     { "BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
 426 #endif
 427     { "CHARCLASS_NAME_MAX", _SC_CHARCLASS_NAME_MAX, SYSCONF },
 428 #ifdef _SC_COLL_WEIGHTS_MAX
 429     { "COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
 430 #endif
 431 #ifdef _SC_EQUIV_CLASS_MAX
 432     { "EQUIV_CLASS_MAX", _SC_EQUIV_CLASS_MAX, SYSCONF },
 433 #endif
 434 #ifdef _SC_EXPR_NEST_MAX
 435     { "EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
 436 #endif
 437 #ifdef _SC_LINE_MAX
 438     { "LINE_MAX", _SC_LINE_MAX, SYSCONF },
 439 #endif
 440 #ifdef _SC_BC_BASE_MAX
 441     { "POSIX2_BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
 442 #endif
 443 #ifdef _SC_BC_DIM_MAX
 444     { "POSIX2_BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
 445 #endif
 446 #ifdef _SC_BC_SCALE_MAX
 447     { "POSIX2_BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
 448 #endif
 449 #ifdef _SC_BC_STRING_MAX
 450     { "POSIX2_BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
 451 #endif
 452 #ifdef _SC_2_CHAR_TERM
 453     { "POSIX2_CHAR_TERM", _SC_2_CHAR_TERM, SYSCONF },
 454 #endif
 455 #ifdef _SC_COLL_WEIGHTS_MAX
 456     { "POSIX2_COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
 457 #endif
 458 #ifdef _SC_2_C_BIND
 459     { "POSIX2_C_BIND", _SC_2_C_BIND, SYSCONF },
 460 #endif
 461 #ifdef _SC_2_C_DEV
 462     { "POSIX2_C_DEV", _SC_2_C_DEV, SYSCONF },
 463 #endif
 464 #ifdef _SC_2_C_VERSION
 465     { "POSIX2_C_VERSION", _SC_2_C_VERSION, SYSCONF },
 466 #endif
 467 #ifdef _SC_EXPR_NEST_MAX
 468     { "POSIX2_EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
 469 #endif
 470 #ifdef _SC_2_FORT_DEV
 471     { "POSIX2_FORT_DEV", _SC_2_FORT_DEV, SYSCONF },
 472 #endif
 473 #ifdef _SC_2_FORT_RUN
 474     { "POSIX2_FORT_RUN", _SC_2_FORT_RUN, SYSCONF },
 475 #endif
 476 #ifdef _SC_LINE_MAX
 477     { "_POSIX2_LINE_MAX", _SC_LINE_MAX, SYSCONF },
 478 #endif
 479 #ifdef _SC_2_LOCALEDEF
 480     { "POSIX2_LOCALEDEF", _SC_2_LOCALEDEF, SYSCONF },
 481 #endif
 482 #ifdef _SC_RE_DUP_MAX
 483     { "POSIX2_RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
 484 #endif
 485 #ifdef _SC_2_SW_DEV
 486     { "POSIX2_SW_DEV", _SC_2_SW_DEV, SYSCONF },
 487 #endif
 488 #ifdef _SC_2_UPE
 489     { "POSIX2_UPE", _SC_2_UPE, SYSCONF },
 490 #endif
 491 #ifdef _SC_2_VERSION
 492     { "POSIX2_VERSION", _SC_2_VERSION, SYSCONF },
 493 #endif
 494 #ifdef _SC_RE_DUP_MAX
 495     { "RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
 496 #endif
 497
 498 #ifdef _CS_PATH
 499     { "PATH", _CS_PATH, CONFSTR },
 500     { "CS_PATH", _CS_PATH, CONFSTR },
 501 #endif
 502
 503     /* LFS */
 504 #ifdef _CS_LFS_CFLAGS
 505     { "LFS_CFLAGS", _CS_LFS_CFLAGS, CONFSTR },
 506 #endif
 507 #ifdef _CS_LFS_LDFLAGS
 508     { "LFS_LDFLAGS", _CS_LFS_LDFLAGS, CONFSTR },
 509 #endif
 510 #ifdef _CS_LFS_LIBS
 511     { "LFS_LIBS", _CS_LFS_LIBS, CONFSTR },
 512 #endif
 513 #ifdef _CS_LFS_LINTFLAGS
 514     { "LFS_LINTFLAGS", _CS_LFS_LINTFLAGS, CONFSTR },
 515 #endif
 516 #ifdef _CS_LFS64_CFLAGS
 517     { "LFS64_CFLAGS", _CS_LFS64_CFLAGS, CONFSTR },
 518 #endif
 519 #ifdef _CS_LFS64_LDFLAGS
 520     { "LFS64_LDFLAGS", _CS_LFS64_LDFLAGS, CONFSTR },
 521 #endif
 522 #ifdef _CS_LFS64_LIBS
 523     { "LFS64_LIBS", _CS_LFS64_LIBS, CONFSTR },
 524 #endif
 525 #ifdef _CS_LFS64_LINTFLAGS
 526     { "LFS64_LINTFLAGS", _CS_LFS64_LINTFLAGS, CONFSTR },
 527 #endif
 528
 529     /* Programming environments.  */
 530 #ifdef _SC_XBS5_ILP32_OFF32
 531     { "_XBS5_ILP32_OFF32", _SC_XBS5_ILP32_OFF32, SYSCONF },
 532 #endif
 533 #ifdef _CS_XBS5_ILP32_OFF32_CFLAGS
 534     { "XBS5_ILP32_OFF32_CFLAGS", _CS_XBS5_ILP32_OFF32_CFLAGS, CONFSTR },
 535 #endif
 536 #ifdef _CS_XBS5_ILP32_OFF32_LDFLAGS
 537     { "XBS5_ILP32_OFF32_LDFLAGS", _CS_XBS5_ILP32_OFF32_LDFLAGS, CONFSTR },
 538 #endif
 539 #ifdef _CS_XBS5_ILP32_OFF32_LIBS
 540     { "XBS5_ILP32_OFF32_LIBS", _CS_XBS5_ILP32_OFF32_LIBS, CONFSTR },
 541 #endif
 542 #ifdef _CS_XBS5_ILP32_OFF32_LINTFLAGS
 543     { "XBS5_ILP32_OFF32_LINTFLAGS", _CS_XBS5_ILP32_OFF32_LINTFLAGS, CONFSTR },
 544 #endif
 545
 546 #ifdef _SC_XBS5_ILP32_OFFBIG
 547     { "_XBS5_ILP32_OFFBIG", _SC_XBS5_ILP32_OFFBIG, SYSCONF },
 548 #endif
 549 #ifdef _CS_XBS5_ILP32_OFFBIG_CFLAGS
 550     { "XBS5_ILP32_OFFBIG_CFLAGS", _CS_XBS5_ILP32_OFFBIG_CFLAGS, CONFSTR },
 551 #endif
 552 #ifdef _CS_XBS5_ILP32_OFFBIG_LDFLAGS
 553     { "XBS5_ILP32_OFFBIG_LDFLAGS", _CS_XBS5_ILP32_OFFBIG_LDFLAGS, CONFSTR },
 554 #endif
 555 #ifdef _CS_XBS5_ILP32_OFFBIG_LIBS
 556     { "XBS5_ILP32_OFFBIG_LIBS", _CS_XBS5_ILP32_OFFBIG_LIBS, CONFSTR },
 557 #endif
 558 #ifdef _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
 559     { "XBS5_ILP32_OFFBIG_LINTFLAGS", _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
 560 #endif
 561
 562 #ifdef _SC_XBS5_LP64_OFF64
 563     { "_XBS5_LP64_OFF64", _SC_XBS5_LP64_OFF64, SYSCONF },
 564 #endif
 565 #ifdef _CS_XBS5_LP64_OFF64_CFLAGS
 566     { "XBS5_LP64_OFF64_CFLAGS", _CS_XBS5_LP64_OFF64_CFLAGS, CONFSTR },
 567 #endif
 568 #ifdef _CS_XBS5_LP64_OFF64_LDFLAGS
 569     { "XBS5_LP64_OFF64_LDFLAGS", _CS_XBS5_LP64_OFF64_LDFLAGS, CONFSTR },
 570 #endif
 571 #ifdef _CS_XBS5_LP64_OFF64_LIBS
 572     { "XBS5_LP64_OFF64_LIBS", _CS_XBS5_LP64_OFF64_LIBS, CONFSTR },
 573 #endif
 574 #ifdef _CS_XBS5_LP64_OFF64_LINTFLAGS
 575     { "XBS5_LP64_OFF64_LINTFLAGS", _CS_XBS5_LP64_OFF64_LINTFLAGS, CONFSTR },
 576 #endif
 577
 578 #ifdef _SC_XBS5_LPBIG_OFFBIG
 579     { "_XBS5_LPBIG_OFFBIG", _SC_XBS5_LPBIG_OFFBIG, SYSCONF },
 580 #endif
 581 #ifdef _CS_XBS5_LPBIG_OFFBIG_CFLAGS
 582     { "XBS5_LPBIG_OFFBIG_CFLAGS", _CS_XBS5_LPBIG_OFFBIG_CFLAGS, CONFSTR },
 583 #endif
 584 #ifdef _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
 585     { "XBS5_LPBIG_OFFBIG_LDFLAGS", _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
 586 #endif
 587 #ifdef _CS_XBS5_LPBIG_OFFBIG_LIBS
 588     { "XBS5_LPBIG_OFFBIG_LIBS", _CS_XBS5_LPBIG_OFFBIG_LIBS, CONFSTR },
 589 #endif
 590 #ifdef _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
 591     { "XBS5_LPBIG_OFFBIG_LINTFLAGS", _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
 592 #endif
 593
 594 #ifdef _SC_V6_ILP32_OFF32
 595     { "_POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32, SYSCONF },
 596 #endif
 597 #ifdef _CS_POSIX_V6_ILP32_OFF32_CFLAGS
 598     { "POSIX_V6_ILP32_OFF32_CFLAGS", _CS_POSIX_V6_ILP32_OFF32_CFLAGS, CONFSTR },
 599 #endif
 600 #ifdef _CS_POSIX_V6_ILP32_OFF32_LDFLAGS
 601     { "POSIX_V6_ILP32_OFF32_LDFLAGS", _CS_POSIX_V6_ILP32_OFF32_LDFLAGS, CONFSTR },
 602 #endif
 603 #ifdef _CS_POSIX_V6_ILP32_OFF32_LIBS
 604     { "POSIX_V6_ILP32_OFF32_LIBS", _CS_POSIX_V6_ILP32_OFF32_LIBS, CONFSTR },
 605 #endif
 606 #ifdef _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS
 607     { "POSIX_V6_ILP32_OFF32_LINTFLAGS", _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS, CONFSTR },
 608 #endif
 609
 610 #ifdef _CS_V6_WIDTH_RESTRICTED_ENVS
 611     { "_POSIX_V6_WIDTH_RESTRICTED_ENVS", _CS_V6_WIDTH_RESTRICTED_ENVS, CONFSTR },
 612 #endif
 613
 614 #ifdef _SC_V6_ILP32_OFFBIG
 615     { "_POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG, SYSCONF },
 616 #endif
 617 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS
 618     { "POSIX_V6_ILP32_OFFBIG_CFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS, CONFSTR },
 619 #endif
 620 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS
 621     { "POSIX_V6_ILP32_OFFBIG_LDFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS, CONFSTR },
 622 #endif
 623 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LIBS
 624     { "POSIX_V6_ILP32_OFFBIG_LIBS", _CS_POSIX_V6_ILP32_OFFBIG_LIBS, CONFSTR },
 625 #endif
 626 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS
 627     { "POSIX_V6_ILP32_OFFBIG_LINTFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
 628 #endif
 629
 630 #ifdef _SC_V6_LP64_OFF64
 631     { "_POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64, SYSCONF },
 632 #endif
 633 #ifdef _CS_POSIX_V6_LP64_OFF64_CFLAGS
 634     { "POSIX_V6_LP64_OFF64_CFLAGS", _CS_POSIX_V6_LP64_OFF64_CFLAGS, CONFSTR },
 635 #endif
 636 #ifdef _CS_POSIX_V6_LP64_OFF64_LDFLAGS
 637     { "POSIX_V6_LP64_OFF64_LDFLAGS", _CS_POSIX_V6_LP64_OFF64_LDFLAGS, CONFSTR },
 638 #endif
 639 #ifdef _CS_POSIX_V6_LP64_OFF64_LIBS
 640     { "POSIX_V6_LP64_OFF64_LIBS", _CS_POSIX_V6_LP64_OFF64_LIBS, CONFSTR },
 641 #endif
 642 #ifdef _CS_POSIX_V6_LP64_OFF64_LINTFLAGS
 643     { "POSIX_V6_LP64_OFF64_LINTFLAGS", _CS_POSIX_V6_LP64_OFF64_LINTFLAGS, CONFSTR },
 644 #endif
 645
 646 #ifdef _SC_V6_LPBIG_OFFBIG
 647     { "_POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG, SYSCONF },
 648 #endif
 649 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS
 650     { "POSIX_V6_LPBIG_OFFBIG_CFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS, CONFSTR },
 651 #endif
 652 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS
 653     { "POSIX_V6_LPBIG_OFFBIG_LDFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
 654 #endif
 655 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LIBS
 656     { "POSIX_V6_LPBIG_OFFBIG_LIBS", _CS_POSIX_V6_LPBIG_OFFBIG_LIBS, CONFSTR },
 657 #endif
 658 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS
 659     { "POSIX_V6_LPBIG_OFFBIG_LINTFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
 660 #endif
 661
 662 #ifdef _SC_ADVISORY_INFO
 663     { "_POSIX_ADVISORY_INFO", _SC_ADVISORY_INFO, SYSCONF },
 664 #endif
 665 #ifdef _SC_BARRIERS
 666     { "_POSIX_BARRIERS", _SC_BARRIERS, SYSCONF },
 667 #endif
 668 #ifdef _SC_BASE
 669     { "_POSIX_BASE", _SC_BASE, SYSCONF },
 670 #endif
 671 #ifdef _SC_C_LANG_SUPPORT
 672     { "_POSIX_C_LANG_SUPPORT", _SC_C_LANG_SUPPORT, SYSCONF },
 673 #endif
 674 #ifdef _SC_C_LANG_SUPPORT_R
 675     { "_POSIX_C_LANG_SUPPORT_R", _SC_C_LANG_SUPPORT_R, SYSCONF },
 676 #endif
 677 #ifdef _SC_CLOCK_SELECTION
 678     { "_POSIX_CLOCK_SELECTION", _SC_CLOCK_SELECTION, SYSCONF },
 679 #endif
 680 #ifdef _SC_CPUTIME
 681     { "_POSIX_CPUTIME", _SC_CPUTIME, SYSCONF },
 682 #endif
 683 #ifdef _SC_THREAD_CPUTIME
 684     { "_POSIX_THREAD_CPUTIME", _SC_THREAD_CPUTIME, SYSCONF },
 685 #endif
 686 #ifdef _SC_DEVICE_SPECIFIC
 687     { "_POSIX_DEVICE_SPECIFIC", _SC_DEVICE_SPECIFIC, SYSCONF },
 688 #endif
 689 #ifdef _SC_DEVICE_SPECIFIC_R
 690     { "_POSIX_DEVICE_SPECIFIC_R", _SC_DEVICE_SPECIFIC_R, SYSCONF },
 691 #endif
 692 #ifdef _SC_FD_MGMT
 693     { "_POSIX_FD_MGMT", _SC_FD_MGMT, SYSCONF },
 694 #endif
 695 #ifdef _SC_FIFO
 696     { "_POSIX_FIFO", _SC_FIFO, SYSCONF },
 697 #endif
 698 #ifdef _SC_PIPE
 699     { "_POSIX_PIPE", _SC_PIPE, SYSCONF },
 700 #endif
 701 #ifdef _SC_FILE_ATTRIBUTES
 702     { "_POSIX_FILE_ATTRIBUTES", _SC_FILE_ATTRIBUTES, SYSCONF },
 703 #endif
 704 #ifdef _SC_FILE_LOCKING
 705     { "_POSIX_FILE_LOCKING", _SC_FILE_LOCKING, SYSCONF },
 706 #endif
 707 #ifdef _SC_FILE_SYSTEM
 708     { "_POSIX_FILE_SYSTEM", _SC_FILE_SYSTEM, SYSCONF },
 709 #endif
 710 #ifdef _SC_MONOTONIC_CLOCK
 711     { "_POSIX_MONOTONIC_CLOCK", _SC_MONOTONIC_CLOCK, SYSCONF },
 712 #endif
 713 #ifdef _SC_MULTI_PROCESS
 714     { "_POSIX_MULTI_PROCESS", _SC_MULTI_PROCESS, SYSCONF },
 715 #endif
 716 #ifdef _SC_SINGLE_PROCESS
 717     { "_POSIX_SINGLE_PROCESS", _SC_SINGLE_PROCESS, SYSCONF },
 718 #endif
 719 #ifdef _SC_NETWORKING
 720     { "_POSIX_NETWORKING", _SC_NETWORKING, SYSCONF },
 721 #endif
 722 #ifdef _SC_READER_WRITER_LOCKS
 723     { "_POSIX_READER_WRITER_LOCKS", _SC_READER_WRITER_LOCKS, SYSCONF },
 724 #endif
 725 #ifdef _SC_SPIN_LOCKS
 726     { "_POSIX_SPIN_LOCKS", _SC_SPIN_LOCKS, SYSCONF },
 727 #endif
 728 #ifdef _SC_REGEXP
 729     { "_POSIX_REGEXP", _SC_REGEXP, SYSCONF },
 730 #endif
 731 #ifdef _SC_REGEX_VERSION
 732     { "_REGEX_VERSION", _SC_REGEX_VERSION, SYSCONF },
 733 #endif
 734 #ifdef _SC_SHELL
 735     { "_POSIX_SHELL", _SC_SHELL, SYSCONF },
 736 #endif
 737 #ifdef _SC_SIGNALS
 738     { "_POSIX_SIGNALS", _SC_SIGNALS, SYSCONF },
 739 #endif
 740 #ifdef _SC_SPAWN
 741     { "_POSIX_SPAWN", _SC_SPAWN, SYSCONF },
 742 #endif
 743 #ifdef _SC_SPORADIC_SERVER
 744     { "_POSIX_SPORADIC_SERVER", _SC_SPORADIC_SERVER, SYSCONF },
 745 #endif
 746 #ifdef _SC_THREAD_SPORADIC_SERVER
 747     { "_POSIX_THREAD_SPORADIC_SERVER", _SC_THREAD_SPORADIC_SERVER, SYSCONF },
 748 #endif
 749 #ifdef _SC_SYSTEM_DATABASE
 750     { "_POSIX_SYSTEM_DATABASE", _SC_SYSTEM_DATABASE, SYSCONF },
 751 #endif
 752 #ifdef _SC_SYSTEM_DATABASE_R
 753     { "_POSIX_SYSTEM_DATABASE_R", _SC_SYSTEM_DATABASE_R, SYSCONF },
 754 #endif
 755 #ifdef _SC_TIMEOUTS
 756     { "_POSIX_TIMEOUTS", _SC_TIMEOUTS, SYSCONF },
 757 #endif
 758 #ifdef _SC_TYPED_MEMORY_OBJECTS
 759     { "_POSIX_TYPED_MEMORY_OBJECTS", _SC_TYPED_MEMORY_OBJECTS, SYSCONF },
 760 #endif
 761 #ifdef _SC_USER_GROUPS
 762     { "_POSIX_USER_GROUPS", _SC_USER_GROUPS, SYSCONF },
 763 #endif
 764 #ifdef _SC_USER_GROUPS_R
 765     { "_POSIX_USER_GROUPS_R", _SC_USER_GROUPS_R, SYSCONF },
 766 #endif
 767 #ifdef _SC_2_PBS
 768     { "POSIX2_PBS", _SC_2_PBS, SYSCONF },
 769 #endif
 770 #ifdef _SC_2_PBS_ACCOUNTING
 771     { "POSIX2_PBS_ACCOUNTING", _SC_2_PBS_ACCOUNTING, SYSCONF },
 772 #endif
 773 #ifdef _SC_2_PBS_LOCATE
 774     { "POSIX2_PBS_LOCATE", _SC_2_PBS_LOCATE, SYSCONF },
 775 #endif
 776 #ifdef _SC_2_PBS_TRACK
 777     { "POSIX2_PBS_TRACK", _SC_2_PBS_TRACK, SYSCONF },
 778 #endif
 779 #ifdef _SC_2_PBS_MESSAGE
 780     { "POSIX2_PBS_MESSAGE", _SC_2_PBS_MESSAGE, SYSCONF },
 781 #endif
 782 #ifdef _SC_SYMLOOP_MAX
 783     { "SYMLOOP_MAX", _SC_SYMLOOP_MAX, SYSCONF },
 784 #endif
 785 #ifdef _SC_STREAM_MAX
 786     { "STREAM_MAX", _SC_STREAM_MAX, SYSCONF },
 787 #endif
 788 #ifdef _SC_AIO_LISTIO_MAX
 789     { "AIO_LISTIO_MAX", _SC_AIO_LISTIO_MAX, SYSCONF },
 790 #endif
 791 #ifdef _SC_AIO_MAX
 792     { "AIO_MAX", _SC_AIO_MAX, SYSCONF },
 793 #endif
 794 #ifdef _SC_AIO_PRIO_DELTA_MAX
 795     { "AIO_PRIO_DELTA_MAX", _SC_AIO_PRIO_DELTA_MAX, SYSCONF },
 796 #endif
 797 #ifdef _SC_DELAYTIMER_MAX
 798     { "DELAYTIMER_MAX", _SC_DELAYTIMER_MAX, SYSCONF },
 799 #endif
 800 #ifdef _SC_HOST_NAME_MAX
 801     { "HOST_NAME_MAX", _SC_HOST_NAME_MAX, SYSCONF },
 802 #endif
 803 #ifdef _SC_LOGIN_NAME_MAX
 804     { "LOGIN_NAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF },
 805 #endif
 806 #ifdef _SC_MQ_OPEN_MAX
 807     { "MQ_OPEN_MAX", _SC_MQ_OPEN_MAX, SYSCONF },
 808 #endif
 809 #ifdef _SC_MQ_PRIO_MAX
 810     { "MQ_PRIO_MAX", _SC_MQ_PRIO_MAX, SYSCONF },
 811 #endif
 812 #ifdef _SC_DEVICE_IO
 813     { "_POSIX_DEVICE_IO", _SC_DEVICE_IO, SYSCONF },
 814 #endif
 815 #ifdef _SC_TRACE
 816     { "_POSIX_TRACE", _SC_TRACE, SYSCONF },
 817 #endif
 818 #ifdef _SC_TRACE_EVENT_FILTER
 819     { "_POSIX_TRACE_EVENT_FILTER", _SC_TRACE_EVENT_FILTER, SYSCONF },
 820 #endif
 821 #ifdef _SC_TRACE_INHERIT
 822     { "_POSIX_TRACE_INHERIT", _SC_TRACE_INHERIT, SYSCONF },
 823 #endif
 824 #ifdef _SC_TRACE_LOG
 825     { "_POSIX_TRACE_LOG", _SC_TRACE_LOG, SYSCONF },
 826 #endif
 827 #ifdef _SC_RTSIG_MAX
 828     { "RTSIG_MAX", _SC_RTSIG_MAX, SYSCONF },
 829 #endif
 830 #ifdef _SC_SEM_NSEMS_MAX
 831     { "SEM_NSEMS_MAX", _SC_SEM_NSEMS_MAX, SYSCONF },
 832 #endif
 833 #ifdef _SC_SEM_VALUE_MAX
 834     { "SEM_VALUE_MAX", _SC_SEM_VALUE_MAX, SYSCONF },
 835 #endif
 836 #ifdef _SC_SIGQUEUE_MAX
 837     { "SIGQUEUE_MAX", _SC_SIGQUEUE_MAX, SYSCONF },
 838 #endif
 839 #ifdef _PC_FILESIZEBITS
 840     { "FILESIZEBITS", _PC_FILESIZEBITS, PATHCONF },
 841 #endif
 842 #ifdef _PC_ALLOC_SIZE_MIN
 843     { "POSIX_ALLOC_SIZE_MIN", _PC_ALLOC_SIZE_MIN, PATHCONF },
 844 #endif
 845 #ifdef _PC_REC_INCR_XFER_SIZE
 846     { "POSIX_REC_INCR_XFER_SIZE", _PC_REC_INCR_XFER_SIZE, PATHCONF },
 847 #endif
 848 #ifdef _PC_REC_MAX_XFER_SIZE
 849     { "POSIX_REC_MAX_XFER_SIZE", _PC_REC_MAX_XFER_SIZE, PATHCONF },
 850 #endif
 851 #ifdef _PC_REC_MIN_XFER_SIZE
 852     { "POSIX_REC_MIN_XFER_SIZE", _PC_REC_MIN_XFER_SIZE, PATHCONF },
 853 #endif
 854 #ifdef _PC_REC_XFER_ALIGN
 855     { "POSIX_REC_XFER_ALIGN", _PC_REC_XFER_ALIGN, PATHCONF },
 856 #endif
 857 #ifdef _PC_SYMLINK_MAX
 858     { "SYMLINK_MAX", _PC_SYMLINK_MAX, PATHCONF },
 859 #endif
 860 #ifdef _CS_GNU_LIBC_VERSION
 861     { "GNU_LIBC_VERSION", _CS_GNU_LIBC_VERSION, CONFSTR },
 862 #endif
 863 #ifdef _CS_GNU_LIBPTHREAD_VERSION
 864     { "GNU_LIBPTHREAD_VERSION", _CS_GNU_LIBPTHREAD_VERSION, CONFSTR },
 865 #endif
 866 #ifdef _PC_2_SYMLINKS
 867     { "POSIX2_SYMLINKS", _PC_2_SYMLINKS, PATHCONF },
 868 #endif
 869
 870 #ifdef _SC_LEVEL1_ICACHE_SIZE
 871     { "LEVEL1_ICACHE_SIZE", _SC_LEVEL1_ICACHE_SIZE, SYSCONF },
 872 #endif
 873 #ifdef _SC_LEVEL1_ICACHE_ASSOC
 874     { "LEVEL1_ICACHE_ASSOC", _SC_LEVEL1_ICACHE_ASSOC, SYSCONF },
 875 #endif
 876 #ifdef _SC_LEVEL1_ICACHE_LINESIZE
 877     { "LEVEL1_ICACHE_LINESIZE", _SC_LEVEL1_ICACHE_LINESIZE, SYSCONF },
 878 #endif
 879 #ifdef _SC_LEVEL1_DCACHE_SIZE
 880     { "LEVEL1_DCACHE_SIZE", _SC_LEVEL1_DCACHE_SIZE, SYSCONF },
 881 #endif
 882 #ifdef _SC_LEVEL1_DCACHE_ASSOC
 883     { "LEVEL1_DCACHE_ASSOC", _SC_LEVEL1_DCACHE_ASSOC, SYSCONF },
 884 #endif
 885 #ifdef _SC_LEVEL1_DCACHE_LINESIZE
 886     { "LEVEL1_DCACHE_LINESIZE", _SC_LEVEL1_DCACHE_LINESIZE, SYSCONF },
 887 #endif
 888 #ifdef _SC_LEVEL2_CACHE_SIZE
 889     { "LEVEL2_CACHE_SIZE", _SC_LEVEL2_CACHE_SIZE, SYSCONF },
 890 #endif
 891 #ifdef _SC_LEVEL2_CACHE_ASSOC
 892     { "LEVEL2_CACHE_ASSOC", _SC_LEVEL2_CACHE_ASSOC, SYSCONF },
 893 #endif
 894 #ifdef _SC_LEVEL2_CACHE_LINESIZE
 895     { "LEVEL2_CACHE_LINESIZE", _SC_LEVEL2_CACHE_LINESIZE, SYSCONF },
 896 #endif
 897 #ifdef _SC_LEVEL3_CACHE_SIZE
 898     { "LEVEL3_CACHE_SIZE", _SC_LEVEL3_CACHE_SIZE, SYSCONF },
 899 #endif
 900 #ifdef _SC_LEVEL3_CACHE_ASSOC
 901     { "LEVEL3_CACHE_ASSOC", _SC_LEVEL3_CACHE_ASSOC, SYSCONF },
 902 #endif
 903 #ifdef _SC_LEVEL3_CACHE_LINESIZE
 904     { "LEVEL3_CACHE_LINESIZE", _SC_LEVEL3_CACHE_LINESIZE, SYSCONF },
 905 #endif
 906 #ifdef _SC_LEVEL4_CACHE_SIZE
 907     { "LEVEL4_CACHE_SIZE", _SC_LEVEL4_CACHE_SIZE, SYSCONF },
 908 #endif
 909 #ifdef _SC_LEVEL4_CACHE_ASSOC
 910     { "LEVEL4_CACHE_ASSOC", _SC_LEVEL4_CACHE_ASSOC, SYSCONF },
 911 #endif
 912
 913 #ifdef _SC_IPV6
 914     { "IPV6", _SC_IPV6, SYSCONF },
 915 #endif
 916 #ifdef _SC_RAW_SOCKETS
 917     { "RAW_SOCKETS", _SC_RAW_SOCKETS, SYSCONF },
 918 #endif
 919
 920     { NULL, 0, SYSCONF }
 921   };
 922
 923
 924 static struct { const char *name; int num; } specs[] =
 925   {
 926     { "POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32 },
 927     { "POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG },
 928     { "POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64 },
 929     { "POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG }
 930   };
 931 static const int nspecs = sizeof (specs) / sizeof (specs[0]);
 932
 933 extern const char *__progname;
 934
 935
 936 static void
 937 usage (void)
 938 {
 939   fprintf (stderr,
 940            _("Usage: %s [-v specification] variable_name [pathname]\n"),
 941            __progname);
 942   fprintf (stderr,
 943            _("       %s -a [pathname]\n"), __progname);
 944   exit (2);
 945 }
 946
 947 static void
 948 print_all (const char *path)
 949 {
 950   register const struct conf *c;
 951   size_t clen;
 952   long int value;
 953   char *cvalue;
 954   for (c = vars; c->name != NULL; ++c) {
 955     printf("%-35s", c->name);
 956     switch (c->call) {
 957       case PATHCONF:
 958         value = pathconf (path, c->call_name);
 959         if (value != -1) {
 960           printf("%ld", value);
 961         }
 962         printf("\n");
 963         break;
 964       case SYSCONF:
 965         value = sysconf (c->call_name);
 966         if (value == -1l) {
 967           if (c->call_name == _SC_UINT_MAX
 968             || c->call_name == _SC_ULONG_MAX)
 969             printf ("%lu", value);
 970         }
 971         else {
 972           printf ("%ld", value);
 973         }
 974         printf ("\n");
 975         break;
 976       case CONFSTR:
 977         clen = confstr (c->call_name, (char *) NULL, 0);
 978         cvalue = (char *) malloc (clen);
 979         if (cvalue == NULL)
 980           error (3, 0, _("memory exhausted"));
 981         if (confstr (c->call_name, cvalue, clen) != clen)
 982           error (3, errno, "confstr");
 983         printf ("%.*s\n", (int) clen, cvalue);
 984         free (cvalue);
 985         break;
 986     }
 987   }
 988   exit (0);
 989 }
 990
 991 int
 992 main (int argc, char *argv[])
 993 {
 994   register const struct conf *c;
 995
 996   /* Set locale.  Do not set LC_ALL because the other categories must
 997      not be affected (according to POSIX.2).  */
 998   setlocale (LC_CTYPE, "");
 999   setlocale (LC_MESSAGES, "");
1000
1001   /* Initialize the message catalog.  */
1002   textdomain (PACKAGE);
1003
1004   if (argc > 1 && strcmp (argv[1], "--version") == 0)
1005     {
1006       fprintf (stderr, "getconf (GNU %s) %s\n", PACKAGE, VERSION);
1007       fprintf (stderr, gettext ("\
1008 Copyright (C) %s Free Software Foundation, Inc.\n\
1009 This is free software; see the source for copying conditions.  There is NO\n\
1010 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
1011 "), "2007");
1012       fprintf (stderr, gettext ("Written by %s.\n"), "Roland McGrath");
1013       return 0;
1014     }
1015
1016   const char *getconf_dir = getenv ("GETCONF_DIR") ?: GETCONF_DIR;
1017   size_t getconf_dirlen = strlen (getconf_dir);
1018
1019   const char *spec = NULL;
1020   char buf[sizeof "POSIX_V6_LPBIG_OFFBIG"];
1021   char *argv0 = argv[0];
1022   if (argc > 1 && strncmp (argv[1], "-v", 2) == 0)
1023     {
1024       if (argv[1][2] == '\0')
1025         {
1026           if (argc < 3)
1027             usage ();
1028
1029           spec = argv[2];
1030           argv += 2;
1031           argc -= 2;
1032         }
1033       else
1034         {
1035           spec = &argv[1][2];
1036           argv += 1;
1037           argc += 1;
1038         }
1039     }
1040   else
1041     {
1042       char default_name[getconf_dirlen + sizeof "/default"];
1043       memcpy (mempcpy (default_name, getconf_dir, getconf_dirlen),
1044               "/default", sizeof "/default");
1045       int len = readlink (default_name, buf, sizeof buf - 1);
1046       if (len > 0)
1047         {
1048           buf[len] = '\0';
1049           spec = buf;
1050         }
1051     }
1052
1053   /* Check for the specifications we know.  */
1054   if (spec != NULL)
1055     {
1056       int i;
1057       for (i = 0; i < nspecs; ++i)
1058         if (strcmp (spec, specs[i].name) == 0)
1059           break;
1060
1061       if (i == nspecs)
1062         error (2, 0, _("unknown specification \"%s\""), spec);
1063
1064       switch (specs[i].num)
1065         {
1066 #ifndef _POSIX_V6_ILP32_OFF32
1067           case _SC_V6_ILP32_OFF32:
1068 #endif
1069 #ifndef _POSIX_V6_ILP32_OFFBIG
1070           case _SC_V6_ILP32_OFFBIG:
1071 #endif
1072 #ifndef _POSIX_V6_LP64_OFF64
1073           case _SC_V6_LP64_OFF64:
1074 #endif
1075 #ifndef _POSIX_V6_LPBIG_OFFBIG
1076           case _SC_V6_LPBIG_OFFBIG:
1077 #endif
1078             {
1079               const char *args[argc + 3];
1080               size_t spec_len = strlen (spec);
1081               char getconf_name[getconf_dirlen + 1 + spec_len + 1];
1082               memcpy (mempcpy (mempcpy (getconf_name, getconf_dir,
1083                                         getconf_dirlen),
1084                                "/", 1), spec, spec_len + 1);
1085               args[0] = argv0;
1086               args[1] = "-v";
1087               args[2] = spec;
1088               memcpy (&args[3], &argv[1], argc * sizeof (argv[1]));
1089               execv (getconf_name, (char * const *) args);
1090               error (4, errno, _("Couldn't execute %s"), getconf_name);
1091             }
1092           default:
1093             break;
1094         }
1095     }
1096
1097   if (argc > 1 && strcmp (argv[1], "-a") == 0)
1098     {
1099       if (argc == 2)
1100         print_all ("/");
1101       else if (argc == 3)
1102         print_all (argv[2]);
1103       else
1104         usage ();
1105     }
1106
1107   if (argc < 2 || argc > 3)
1108     usage ();
1109
1110   for (c = vars; c->name != NULL; ++c)
1111     if (strcmp (c->name, argv[1]) == 0
1112         || (strncmp (c->name, "_POSIX_", 7) == 0
1113             && strcmp (c->name + 7, argv[1]) == 0))
1114       {
1115         long int value;
1116         size_t clen;
1117         char *cvalue;
1118         switch (c->call)
1119           {
1120           case PATHCONF:
1121             if (argc < 3)
1122               usage ();
1123             errno = 0;
1124             value = pathconf (argv[2], c->call_name);
1125             if (value == -1)
1126               {
1127                 if (errno)
1128                   error (3, errno, "pathconf: %s", argv[2]);
1129                 else
1130                   puts (_("undefined"));
1131               }
1132             else
1133               printf ("%ld\n", value);
1134             exit (0);
1135
1136           case SYSCONF:
1137             if (argc > 2)
1138               usage ();
1139             value = sysconf (c->call_name);
1140             if (value == -1l)
1141               {
1142                 if (c->call_name == _SC_UINT_MAX
1143                     || c->call_name == _SC_ULONG_MAX)
1144                   printf ("%lu\n", value);
1145                 else
1146                   puts (_("undefined"));
1147               }
1148             else
1149               printf ("%ld\n", value);
1150             exit (0);
1151
1152           case CONFSTR:
1153             if (argc > 2)
1154               usage ();
1155             clen = confstr (c->call_name, (char *) NULL, 0);
1156             cvalue = (char *) malloc (clen);
1157             if (cvalue == NULL)
1158               error (3, 0, _("memory exhausted"));
1159
1160             if (confstr (c->call_name, cvalue, clen) != clen)
1161               error (3, errno, "confstr");
1162
1163             printf ("%.*s\n", (int) clen, cvalue);
1164             exit (0);
1165           }
1166       }
1167
1168   error (2, 0, _("Unrecognized variable `%s'"), argv[1]);
1169   /* NOTREACHED */
1170   return 2;
1171 }