posix/getconf.c

   1 /* Copyright (C) 1991, 92, 1995-2003, 2004 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    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
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <unistd.h>
  20 #include <errno.h>
  21 #include <error.h>
  22 #include <libintl.h>
  23 #include <locale.h>
  24 #include <string.h>
  25 #include <stdlib.h>
  26 #include <stdio.h>
  27
  28 #include "../version.h"
  29 #define PACKAGE _libc_intl_domainname
  30
  31 struct conf
  32   {
  33     const char *name;
  34     const int call_name;
  35     const enum { SYSCONF, CONFSTR, PATHCONF } call;
  36   };
  37
  38 static const struct conf vars[] =
  39   {
  40 #ifdef _PC_LINK_MAX
  41     { "LINK_MAX", _PC_LINK_MAX, PATHCONF },
  42 #endif
  43 #ifdef _PC_LINK_MAX
  44     { "_POSIX_LINK_MAX", _PC_LINK_MAX, PATHCONF },
  45 #endif
  46 #ifdef _PC_MAX_CANON
  47     { "MAX_CANON", _PC_MAX_CANON, PATHCONF },
  48 #endif
  49 #ifdef _PC_MAX_CANON
  50     { "_POSIX_MAX_CANON", _PC_MAX_CANON, PATHCONF },
  51 #endif
  52 #ifdef _PC_MAX_INPUT
  53     { "MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
  54 #endif
  55 #ifdef _PC_MAX_INPUT
  56     { "_POSIX_MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
  57 #endif
  58 #ifdef _PC_NAME_MAX
  59     { "NAME_MAX", _PC_NAME_MAX, PATHCONF },
  60 #endif
  61 #ifdef _PC_NAME_MAX
  62     { "_POSIX_NAME_MAX", _PC_NAME_MAX, PATHCONF },
  63 #endif
  64 #ifdef _PC_PATH_MAX
  65     { "PATH_MAX", _PC_PATH_MAX, PATHCONF },
  66 #endif
  67 #ifdef _PC_PATH_MAX
  68     { "_POSIX_PATH_MAX", _PC_PATH_MAX, PATHCONF },
  69 #endif
  70 #ifdef _PC_PIPE_BUF
  71     { "PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
  72 #endif
  73 #ifdef _PC_PIPE_BUF
  74     { "_POSIX_PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
  75 #endif
  76 #ifdef _PC_SOCK_MAXBUF
  77     { "SOCK_MAXBUF", _PC_SOCK_MAXBUF, PATHCONF },
  78 #endif
  79 #ifdef _PC_ASYNC_IO
  80     { "_POSIX_ASYNC_IO", _PC_ASYNC_IO, PATHCONF },
  81 #endif
  82 #ifdef _PC_CHOWN_RESTRICTED
  83     { "_POSIX_CHOWN_RESTRICTED", _PC_CHOWN_RESTRICTED, PATHCONF },
  84 #endif
  85 #ifdef _PC_NO_TRUNC
  86     { "_POSIX_NO_TRUNC", _PC_NO_TRUNC, PATHCONF },
  87 #endif
  88 #ifdef _PC_PRIO_IO
  89     { "_POSIX_PRIO_IO", _PC_PRIO_IO, PATHCONF },
  90 #endif
  91 #ifdef _PC_SYNC_IO
  92     { "_POSIX_SYNC_IO", _PC_SYNC_IO, PATHCONF },
  93 #endif
  94 #ifdef _PC_VDISABLE
  95     { "_POSIX_VDISABLE", _PC_VDISABLE, PATHCONF },
  96 #endif
  97
  98 #ifdef _SC_ARG_MAX
  99     { "ARG_MAX", _SC_ARG_MAX, SYSCONF },
 100 #endif
 101 #ifdef _SC_ATEXIT_MAX
 102     { "ATEXIT_MAX", _SC_ATEXIT_MAX, SYSCONF },
 103 #endif
 104 #ifdef _SC_CHAR_BIT
 105     { "CHAR_BIT", _SC_CHAR_BIT, SYSCONF },
 106 #endif
 107 #ifdef _SC_CHAR_MAX
 108     { "CHAR_MAX", _SC_CHAR_MAX, SYSCONF },
 109 #endif
 110 #ifdef _SC_CHAR_MIN
 111     { "CHAR_MIN", _SC_CHAR_MIN, SYSCONF },
 112 #endif
 113 #ifdef _SC_CHILD_MAX
 114     { "CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
 115 #endif
 116 #ifdef _SC_CLK_TCK
 117     { "CLK_TCK", _SC_CLK_TCK, SYSCONF },
 118 #endif
 119 #ifdef _SC_INT_MAX
 120     { "INT_MAX", _SC_INT_MAX, SYSCONF },
 121 #endif
 122 #ifdef _SC_INT_MIN
 123     { "INT_MIN", _SC_INT_MIN, SYSCONF },
 124 #endif
 125 #ifdef _SC_UIO_MAXIOV
 126     { "IOV_MAX", _SC_UIO_MAXIOV, SYSCONF },
 127 #endif
 128 #ifdef _SC_LOGIN_NAME_MAX
 129     { "LOGNAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF },
 130 #endif
 131 #ifdef _SC_LONG_BIT
 132     { "LONG_BIT", _SC_LONG_BIT, SYSCONF },
 133 #endif
 134 #ifdef _SC_MB_LEN_MAX
 135     { "MB_LEN_MAX", _SC_MB_LEN_MAX, SYSCONF },
 136 #endif
 137 #ifdef _SC_NGROUPS_MAX
 138     { "NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
 139 #endif
 140 #ifdef _SC_NL_ARGMAX
 141     { "NL_ARGMAX", _SC_NL_ARGMAX, SYSCONF },
 142 #endif
 143 #ifdef _SC_NL_LANGMAX
 144     { "NL_LANGMAX", _SC_NL_LANGMAX, SYSCONF },
 145 #endif
 146 #ifdef _SC_NL_MSGMAX
 147     { "NL_MSGMAX", _SC_NL_MSGMAX, SYSCONF },
 148 #endif
 149 #ifdef _SC_NL_NMAX
 150     { "NL_NMAX", _SC_NL_NMAX, SYSCONF },
 151 #endif
 152 #ifdef _SC_NL_SETMAX
 153     { "NL_SETMAX", _SC_NL_SETMAX, SYSCONF },
 154 #endif
 155 #ifdef _SC_NL_TEXTMAX
 156     { "NL_TEXTMAX", _SC_NL_TEXTMAX, SYSCONF },
 157 #endif
 158 #ifdef _SC_GETGR_R_SIZE_MAX
 159     { "NSS_BUFLEN_GROUP", _SC_GETGR_R_SIZE_MAX, SYSCONF },
 160 #endif
 161 #ifdef _SC_GETPW_R_SIZE_MAX
 162     { "NSS_BUFLEN_PASSWD", _SC_GETPW_R_SIZE_MAX, SYSCONF },
 163 #endif
 164 #ifdef _SC_NZERO
 165     { "NZERO", _SC_NZERO, SYSCONF },
 166 #endif
 167 #ifdef _SC_OPEN_MAX
 168     { "OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
 169 #endif
 170 #ifdef _SC_PAGESIZE
 171     { "PAGESIZE", _SC_PAGESIZE, SYSCONF },
 172 #endif
 173 #ifdef _SC_PAGESIZE
 174     { "PAGE_SIZE", _SC_PAGESIZE, SYSCONF },
 175 #endif
 176 #ifdef _SC_PASS_MAX
 177     { "PASS_MAX", _SC_PASS_MAX, SYSCONF },
 178 #endif
 179 #ifdef _SC_THREAD_DESTRUCTOR_ITERATIONS
 180     { "PTHREAD_DESTRUCTOR_ITERATIONS", _SC_THREAD_DESTRUCTOR_ITERATIONS, SYSCONF },
 181 #endif
 182 #ifdef _SC_THREAD_KEYS_MAX
 183     { "PTHREAD_KEYS_MAX", _SC_THREAD_KEYS_MAX, SYSCONF },
 184 #endif
 185 #ifdef _SC_THREAD_STACK_MIN
 186     { "PTHREAD_STACK_MIN", _SC_THREAD_STACK_MIN, SYSCONF },
 187 #endif
 188 #ifdef _SC_THREAD_THREADS_MAX
 189     { "PTHREAD_THREADS_MAX", _SC_THREAD_THREADS_MAX, SYSCONF },
 190 #endif
 191 #ifdef _SC_SCHAR_MAX
 192     { "SCHAR_MAX", _SC_SCHAR_MAX, SYSCONF },
 193 #endif
 194 #ifdef _SC_SCHAR_MIN
 195     { "SCHAR_MIN", _SC_SCHAR_MIN, SYSCONF },
 196 #endif
 197 #ifdef _SC_SHRT_MAX
 198     { "SHRT_MAX", _SC_SHRT_MAX, SYSCONF },
 199 #endif
 200 #ifdef _SC_SHRT_MIN
 201     { "SHRT_MIN", _SC_SHRT_MIN, SYSCONF },
 202 #endif
 203 #ifdef _SC_SSIZE_MAX
 204     { "SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
 205 #endif
 206 #ifdef _SC_TTY_NAME_MAX
 207     { "TTY_NAME_MAX", _SC_TTY_NAME_MAX, SYSCONF },
 208 #endif
 209 #ifdef _SC_TZNAME_MAX
 210     { "TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
 211 #endif
 212 #ifdef _SC_UCHAR_MAX
 213     { "UCHAR_MAX", _SC_UCHAR_MAX, SYSCONF },
 214 #endif
 215 #ifdef _SC_UINT_MAX
 216     { "UINT_MAX", _SC_UINT_MAX, SYSCONF },
 217 #endif
 218 #ifdef _SC_UIO_MAXIOV
 219     { "UIO_MAXIOV", _SC_UIO_MAXIOV, SYSCONF },
 220 #endif
 221 #ifdef _SC_ULONG_MAX
 222     { "ULONG_MAX", _SC_ULONG_MAX, SYSCONF },
 223 #endif
 224 #ifdef _SC_USHRT_MAX
 225     { "USHRT_MAX", _SC_USHRT_MAX, SYSCONF },
 226 #endif
 227 #ifdef _SC_WORD_BIT
 228     { "WORD_BIT", _SC_WORD_BIT, SYSCONF },
 229 #endif
 230 #ifdef _SC_AVPHYS_PAGES
 231     { "_AVPHYS_PAGES", _SC_AVPHYS_PAGES, SYSCONF },
 232 #endif
 233 #ifdef _SC_NPROCESSORS_CONF
 234     { "_NPROCESSORS_CONF", _SC_NPROCESSORS_CONF, SYSCONF },
 235 #endif
 236 #ifdef _SC_NPROCESSORS_ONLN
 237     { "_NPROCESSORS_ONLN", _SC_NPROCESSORS_ONLN, SYSCONF },
 238 #endif
 239 #ifdef _SC_PHYS_PAGES
 240     { "_PHYS_PAGES", _SC_PHYS_PAGES, SYSCONF },
 241 #endif
 242 #ifdef _SC_ARG_MAX
 243     { "_POSIX_ARG_MAX", _SC_ARG_MAX, SYSCONF },
 244 #endif
 245 #ifdef _SC_ASYNCHRONOUS_IO
 246     { "_POSIX_ASYNCHRONOUS_IO", _SC_ASYNCHRONOUS_IO, SYSCONF },
 247 #endif
 248 #ifdef _SC_CHILD_MAX
 249     { "_POSIX_CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
 250 #endif
 251 #ifdef _SC_FSYNC
 252     { "_POSIX_FSYNC", _SC_FSYNC, SYSCONF },
 253 #endif
 254 #ifdef _SC_JOB_CONTROL
 255     { "_POSIX_JOB_CONTROL", _SC_JOB_CONTROL, SYSCONF },
 256 #endif
 257 #ifdef _SC_MAPPED_FILES
 258     { "_POSIX_MAPPED_FILES", _SC_MAPPED_FILES, SYSCONF },
 259 #endif
 260 #ifdef _SC_MEMLOCK
 261     { "_POSIX_MEMLOCK", _SC_MEMLOCK, SYSCONF },
 262 #endif
 263 #ifdef _SC_MEMLOCK_RANGE
 264     { "_POSIX_MEMLOCK_RANGE", _SC_MEMLOCK_RANGE, SYSCONF },
 265 #endif
 266 #ifdef _SC_MEMORY_PROTECTION
 267     { "_POSIX_MEMORY_PROTECTION", _SC_MEMORY_PROTECTION, SYSCONF },
 268 #endif
 269 #ifdef _SC_MESSAGE_PASSING
 270     { "_POSIX_MESSAGE_PASSING", _SC_MESSAGE_PASSING, SYSCONF },
 271 #endif
 272 #ifdef _SC_NGROUPS_MAX
 273     { "_POSIX_NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
 274 #endif
 275 #ifdef _SC_OPEN_MAX
 276     { "_POSIX_OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
 277 #endif
 278 #ifdef _SC_PII
 279     { "_POSIX_PII", _SC_PII, SYSCONF },
 280 #endif
 281 #ifdef _SC_PII_INTERNET
 282     { "_POSIX_PII_INTERNET", _SC_PII_INTERNET, SYSCONF },
 283 #endif
 284 #ifdef _SC_PII_INTERNET_DGRAM
 285     { "_POSIX_PII_INTERNET_DGRAM", _SC_PII_INTERNET_DGRAM, SYSCONF },
 286 #endif
 287 #ifdef _SC_PII_INTERNET_STREAM
 288     { "_POSIX_PII_INTERNET_STREAM", _SC_PII_INTERNET_STREAM, SYSCONF },
 289 #endif
 290 #ifdef _SC_PII_OSI
 291     { "_POSIX_PII_OSI", _SC_PII_OSI, SYSCONF },
 292 #endif
 293 #ifdef _SC_PII_OSI_CLTS
 294     { "_POSIX_PII_OSI_CLTS", _SC_PII_OSI_CLTS, SYSCONF },
 295 #endif
 296 #ifdef _SC_PII_OSI_COTS
 297     { "_POSIX_PII_OSI_COTS", _SC_PII_OSI_COTS, SYSCONF },
 298 #endif
 299 #ifdef _SC_PII_OSI_M
 300     { "_POSIX_PII_OSI_M", _SC_PII_OSI_M, SYSCONF },
 301 #endif
 302 #ifdef _SC_PII_SOCKET
 303     { "_POSIX_PII_SOCKET", _SC_PII_SOCKET, SYSCONF },
 304 #endif
 305 #ifdef _SC_PII_XTI
 306     { "_POSIX_PII_XTI", _SC_PII_XTI, SYSCONF },
 307 #endif
 308 #ifdef _SC_POLL
 309     { "_POSIX_POLL", _SC_POLL, SYSCONF },
 310 #endif
 311 #ifdef _SC_PRIORITIZED_IO
 312     { "_POSIX_PRIORITIZED_IO", _SC_PRIORITIZED_IO, SYSCONF },
 313 #endif
 314 #ifdef _SC_PRIORITY_SCHEDULING
 315     { "_POSIX_PRIORITY_SCHEDULING", _SC_PRIORITY_SCHEDULING, SYSCONF },
 316 #endif
 317 #ifdef _SC_REALTIME_SIGNALS
 318     { "_POSIX_REALTIME_SIGNALS", _SC_REALTIME_SIGNALS, SYSCONF },
 319 #endif
 320 #ifdef _SC_SAVED_IDS
 321     { "_POSIX_SAVED_IDS", _SC_SAVED_IDS, SYSCONF },
 322 #endif
 323 #ifdef _SC_SELECT
 324     { "_POSIX_SELECT", _SC_SELECT, SYSCONF },
 325 #endif
 326 #ifdef _SC_SEMAPHORES
 327     { "_POSIX_SEMAPHORES", _SC_SEMAPHORES, SYSCONF },
 328 #endif
 329 #ifdef _SC_SHARED_MEMORY_OBJECTS
 330     { "_POSIX_SHARED_MEMORY_OBJECTS", _SC_SHARED_MEMORY_OBJECTS, SYSCONF },
 331 #endif
 332 #ifdef _SC_SSIZE_MAX
 333     { "_POSIX_SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
 334 #endif
 335 #ifdef _SC_STREAM_MAX
 336     { "_POSIX_STREAM_MAX", _SC_STREAM_MAX, SYSCONF },
 337 #endif
 338 #ifdef _SC_SYNCHRONIZED_IO
 339     { "_POSIX_SYNCHRONIZED_IO", _SC_SYNCHRONIZED_IO, SYSCONF },
 340 #endif
 341 #ifdef _SC_THREADS
 342     { "_POSIX_THREADS", _SC_THREADS, SYSCONF },
 343 #endif
 344 #ifdef _SC_THREAD_ATTR_STACKADDR
 345     { "_POSIX_THREAD_ATTR_STACKADDR", _SC_THREAD_ATTR_STACKADDR, SYSCONF },
 346 #endif
 347 #ifdef _SC_THREAD_ATTR_STACKSIZE
 348     { "_POSIX_THREAD_ATTR_STACKSIZE", _SC_THREAD_ATTR_STACKSIZE, SYSCONF },
 349 #endif
 350 #ifdef _SC_THREAD_PRIORITY_SCHEDULING
 351     { "_POSIX_THREAD_PRIORITY_SCHEDULING", _SC_THREAD_PRIORITY_SCHEDULING, SYSCONF },
 352 #endif
 353 #ifdef _SC_THREAD_PRIO_INHERIT
 354     { "_POSIX_THREAD_PRIO_INHERIT", _SC_THREAD_PRIO_INHERIT, SYSCONF },
 355 #endif
 356 #ifdef _SC_THREAD_PRIO_PROTECT
 357     { "_POSIX_THREAD_PRIO_PROTECT", _SC_THREAD_PRIO_PROTECT, SYSCONF },
 358 #endif
 359 #ifdef _SC_THREAD_PROCESS_SHARED
 360     { "_POSIX_THREAD_PROCESS_SHARED", _SC_THREAD_PROCESS_SHARED, SYSCONF },
 361 #endif
 362 #ifdef _SC_THREAD_SAFE_FUNCTIONS
 363     { "_POSIX_THREAD_SAFE_FUNCTIONS", _SC_THREAD_SAFE_FUNCTIONS, SYSCONF },
 364 #endif
 365 #ifdef _SC_TIMERS
 366     { "_POSIX_TIMERS", _SC_TIMERS, SYSCONF },
 367 #endif
 368 #ifdef _SC_TIMER_MAX
 369     { "TIMER_MAX", _SC_TIMER_MAX, SYSCONF },
 370 #endif
 371 #ifdef _SC_TZNAME_MAX
 372     { "_POSIX_TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
 373 #endif
 374 #ifdef _SC_VERSION
 375     { "_POSIX_VERSION", _SC_VERSION, SYSCONF },
 376 #endif
 377 #ifdef _SC_T_IOV_MAX
 378     { "_T_IOV_MAX", _SC_T_IOV_MAX, SYSCONF },
 379 #endif
 380 #ifdef _SC_XOPEN_CRYPT
 381     { "_XOPEN_CRYPT", _SC_XOPEN_CRYPT, SYSCONF },
 382 #endif
 383 #ifdef _SC_XOPEN_ENH_I18N
 384     { "_XOPEN_ENH_I18N", _SC_XOPEN_ENH_I18N, SYSCONF },
 385 #endif
 386 #ifdef _SC_XOPEN_LEGACY
 387     { "_XOPEN_LEGACY", _SC_XOPEN_LEGACY, SYSCONF },
 388 #endif
 389 #ifdef _SC_XOPEN_REALTIME
 390     { "_XOPEN_REALTIME", _SC_XOPEN_REALTIME, SYSCONF },
 391 #endif
 392 #ifdef _SC_XOPEN_REALTIME_THREADS
 393     { "_XOPEN_REALTIME_THREADS", _SC_XOPEN_REALTIME_THREADS, SYSCONF },
 394 #endif
 395 #ifdef _SC_XOPEN_SHM
 396     { "_XOPEN_SHM", _SC_XOPEN_SHM, SYSCONF },
 397 #endif
 398 #ifdef _SC_XOPEN_UNIX
 399     { "_XOPEN_UNIX", _SC_XOPEN_UNIX, SYSCONF },
 400 #endif
 401 #ifdef _SC_XOPEN_VERSION
 402     { "_XOPEN_VERSION", _SC_XOPEN_VERSION, SYSCONF },
 403 #endif
 404 #ifdef _SC_XOPEN_XCU_VERSION
 405     { "_XOPEN_XCU_VERSION", _SC_XOPEN_XCU_VERSION, SYSCONF },
 406 #endif
 407 #ifdef _SC_XOPEN_XPG2
 408     { "_XOPEN_XPG2", _SC_XOPEN_XPG2, SYSCONF },
 409 #endif
 410 #ifdef _SC_XOPEN_XPG3
 411     { "_XOPEN_XPG3", _SC_XOPEN_XPG3, SYSCONF },
 412 #endif
 413 #ifdef _SC_XOPEN_XPG4
 414     { "_XOPEN_XPG4", _SC_XOPEN_XPG4, SYSCONF },
 415 #endif
 416     /* POSIX.2  */
 417 #ifdef _SC_BC_BASE_MAX
 418     { "BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
 419 #endif
 420 #ifdef _SC_BC_DIM_MAX
 421     { "BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
 422 #endif
 423 #ifdef _SC_BC_SCALE_MAX
 424     { "BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
 425 #endif
 426 #ifdef _SC_BC_STRING_MAX
 427     { "BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
 428 #endif
 429     { "CHARCLASS_NAME_MAX", _SC_CHARCLASS_NAME_MAX, SYSCONF },
 430 #ifdef _SC_COLL_WEIGHTS_MAX
 431     { "COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
 432 #endif
 433 #ifdef _SC_EQUIV_CLASS_MAX
 434     { "EQUIV_CLASS_MAX", _SC_EQUIV_CLASS_MAX, SYSCONF },
 435 #endif
 436 #ifdef _SC_EXPR_NEST_MAX
 437     { "EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
 438 #endif
 439 #ifdef _SC_LINE_MAX
 440     { "LINE_MAX", _SC_LINE_MAX, SYSCONF },
 441 #endif
 442 #ifdef _SC_BC_BASE_MAX
 443     { "POSIX2_BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
 444 #endif
 445 #ifdef _SC_BC_DIM_MAX
 446     { "POSIX2_BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
 447 #endif
 448 #ifdef _SC_BC_SCALE_MAX
 449     { "POSIX2_BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
 450 #endif
 451 #ifdef _SC_BC_STRING_MAX
 452     { "POSIX2_BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
 453 #endif
 454 #ifdef _SC_2_CHAR_TERM
 455     { "POSIX2_CHAR_TERM", _SC_2_CHAR_TERM, SYSCONF },
 456 #endif
 457 #ifdef _SC_COLL_WEIGHTS_MAX
 458     { "POSIX2_COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
 459 #endif
 460 #ifdef _SC_2_C_BIND
 461     { "POSIX2_C_BIND", _SC_2_C_BIND, SYSCONF },
 462 #endif
 463 #ifdef _SC_2_C_DEV
 464     { "POSIX2_C_DEV", _SC_2_C_DEV, SYSCONF },
 465 #endif
 466 #ifdef _SC_2_C_VERSION
 467     { "POSIX2_C_VERSION", _SC_2_C_VERSION, SYSCONF },
 468 #endif
 469 #ifdef _SC_EXPR_NEST_MAX
 470     { "POSIX2_EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
 471 #endif
 472 #ifdef _SC_2_FORT_DEV
 473     { "POSIX2_FORT_DEV", _SC_2_FORT_DEV, SYSCONF },
 474 #endif
 475 #ifdef _SC_2_FORT_RUN
 476     { "POSIX2_FORT_RUN", _SC_2_FORT_RUN, SYSCONF },
 477 #endif
 478 #ifdef _SC_LINE_MAX
 479     { "_POSIX2_LINE_MAX", _SC_LINE_MAX, SYSCONF },
 480 #endif
 481 #ifdef _SC_2_LOCALEDEF
 482     { "POSIX2_LOCALEDEF", _SC_2_LOCALEDEF, SYSCONF },
 483 #endif
 484 #ifdef _SC_RE_DUP_MAX
 485     { "POSIX2_RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
 486 #endif
 487 #ifdef _SC_2_SW_DEV
 488     { "POSIX2_SW_DEV", _SC_2_SW_DEV, SYSCONF },
 489 #endif
 490 #ifdef _SC_2_UPE
 491     { "POSIX2_UPE", _SC_2_UPE, SYSCONF },
 492 #endif
 493 #ifdef _SC_2_VERSION
 494     { "POSIX2_VERSION", _SC_2_VERSION, SYSCONF },
 495 #endif
 496 #ifdef _SC_RE_DUP_MAX
 497     { "RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
 498 #endif
 499
 500 #ifdef _CS_PATH
 501     { "PATH", _CS_PATH, CONFSTR },
 502     { "CS_PATH", _CS_PATH, CONFSTR },
 503 #endif
 504
 505     /* LFS */
 506 #ifdef _CS_LFS_CFLAGS
 507     { "LFS_CFLAGS", _CS_LFS_CFLAGS, CONFSTR },
 508 #endif
 509 #ifdef _CS_LFS_LDFLAGS
 510     { "LFS_LDFLAGS", _CS_LFS_LDFLAGS, CONFSTR },
 511 #endif
 512 #ifdef _CS_LFS_LIBS
 513     { "LFS_LIBS", _CS_LFS_LIBS, CONFSTR },
 514 #endif
 515 #ifdef _CS_LFS_LINTFLAGS
 516     { "LFS_LINTFLAGS", _CS_LFS_LINTFLAGS, CONFSTR },
 517 #endif
 518 #ifdef _CS_LFS64_CFLAGS
 519     { "LFS64_CFLAGS", _CS_LFS64_CFLAGS, CONFSTR },
 520 #endif
 521 #ifdef _CS_LFS64_LDFLAGS
 522     { "LFS64_LDFLAGS", _CS_LFS64_LDFLAGS, CONFSTR },
 523 #endif
 524 #ifdef _CS_LFS64_LIBS
 525     { "LFS64_LIBS", _CS_LFS64_LIBS, CONFSTR },
 526 #endif
 527 #ifdef _CS_LFS64_LINTFLAGS
 528     { "LFS64_LINTFLAGS", _CS_LFS64_LINTFLAGS, CONFSTR },
 529 #endif
 530
 531     /* Programming environments.  */
 532 #ifdef _SC_XBS5_ILP32_OFF32
 533     { "_XBS5_ILP32_OFF32", _SC_XBS5_ILP32_OFF32, SYSCONF },
 534 #endif
 535 #ifdef _CS_XBS5_ILP32_OFF32_CFLAGS
 536     { "XBS5_ILP32_OFF32_CFLAGS", _CS_XBS5_ILP32_OFF32_CFLAGS, CONFSTR },
 537 #endif
 538 #ifdef _CS_XBS5_ILP32_OFF32_LDFLAGS
 539     { "XBS5_ILP32_OFF32_LDFLAGS", _CS_XBS5_ILP32_OFF32_LDFLAGS, CONFSTR },
 540 #endif
 541 #ifdef _CS_XBS5_ILP32_OFF32_LIBS
 542     { "XBS5_ILP32_OFF32_LIBS", _CS_XBS5_ILP32_OFF32_LIBS, CONFSTR },
 543 #endif
 544 #ifdef _CS_XBS5_ILP32_OFF32_LINTFLAGS
 545     { "XBS5_ILP32_OFF32_LINTFLAGS", _CS_XBS5_ILP32_OFF32_LINTFLAGS, CONFSTR },
 546 #endif
 547
 548 #ifdef _SC_XBS5_ILP32_OFFBIG
 549     { "_XBS5_ILP32_OFFBIG", _SC_XBS5_ILP32_OFFBIG, SYSCONF },
 550 #endif
 551 #ifdef _CS_XBS5_ILP32_OFFBIG_CFLAGS
 552     { "XBS5_ILP32_OFFBIG_CFLAGS", _CS_XBS5_ILP32_OFFBIG_CFLAGS, CONFSTR },
 553 #endif
 554 #ifdef _CS_XBS5_ILP32_OFFBIG_LDFLAGS
 555     { "XBS5_ILP32_OFFBIG_LDFLAGS", _CS_XBS5_ILP32_OFFBIG_LDFLAGS, CONFSTR },
 556 #endif
 557 #ifdef _CS_XBS5_ILP32_OFFBIG_LIBS
 558     { "XBS5_ILP32_OFFBIG_LIBS", _CS_XBS5_ILP32_OFFBIG_LIBS, CONFSTR },
 559 #endif
 560 #ifdef _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
 561     { "XBS5_ILP32_OFFBIG_LINTFLAGS", _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
 562 #endif
 563
 564 #ifdef _SC_XBS5_LP64_OFF64
 565     { "_XBS5_LP64_OFF64", _SC_XBS5_LP64_OFF64, SYSCONF },
 566 #endif
 567 #ifdef _CS_XBS5_LP64_OFF64_CFLAGS
 568     { "XBS5_LP64_OFF64_CFLAGS", _CS_XBS5_LP64_OFF64_CFLAGS, CONFSTR },
 569 #endif
 570 #ifdef _CS_XBS5_LP64_OFF64_LDFLAGS
 571     { "XBS5_LP64_OFF64_LDFLAGS", _CS_XBS5_LP64_OFF64_LDFLAGS, CONFSTR },
 572 #endif
 573 #ifdef _CS_XBS5_LP64_OFF64_LIBS
 574     { "XBS5_LP64_OFF64_LIBS", _CS_XBS5_LP64_OFF64_LIBS, CONFSTR },
 575 #endif
 576 #ifdef _CS_XBS5_LP64_OFF64_LINTFLAGS
 577     { "XBS5_LP64_OFF64_LINTFLAGS", _CS_XBS5_LP64_OFF64_LINTFLAGS, CONFSTR },
 578 #endif
 579
 580 #ifdef _SC_XBS5_LPBIG_OFFBIG
 581     { "_XBS5_LPBIG_OFFBIG", _SC_XBS5_LPBIG_OFFBIG, SYSCONF },
 582 #endif
 583 #ifdef _CS_XBS5_LPBIG_OFFBIG_CFLAGS
 584     { "XBS5_LPBIG_OFFBIG_CFLAGS", _CS_XBS5_LPBIG_OFFBIG_CFLAGS, CONFSTR },
 585 #endif
 586 #ifdef _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
 587     { "XBS5_LPBIG_OFFBIG_LDFLAGS", _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
 588 #endif
 589 #ifdef _CS_XBS5_LPBIG_OFFBIG_LIBS
 590     { "XBS5_LPBIG_OFFBIG_LIBS", _CS_XBS5_LPBIG_OFFBIG_LIBS, CONFSTR },
 591 #endif
 592 #ifdef _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
 593     { "XBS5_LPBIG_OFFBIG_LINTFLAGS", _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
 594 #endif
 595
 596 #ifdef _SC_V6_ILP32_OFF32
 597     { "_POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32, SYSCONF },
 598 #endif
 599 #ifdef _CS_POSIX_V6_ILP32_OFF32_CFLAGS
 600     { "POSIX_V6_ILP32_OFF32_CFLAGS", _CS_POSIX_V6_ILP32_OFF32_CFLAGS, CONFSTR },
 601 #endif
 602 #ifdef _CS_POSIX_V6_ILP32_OFF32_LDFLAGS
 603     { "POSIX_V6_ILP32_OFF32_LDFLAGS", _CS_POSIX_V6_ILP32_OFF32_LDFLAGS, CONFSTR },
 604 #endif
 605 #ifdef _CS_POSIX_V6_ILP32_OFF32_LIBS
 606     { "POSIX_V6_ILP32_OFF32_LIBS", _CS_POSIX_V6_ILP32_OFF32_LIBS, CONFSTR },
 607 #endif
 608 #ifdef _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS
 609     { "POSIX_V6_ILP32_OFF32_LINTFLAGS", _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS, CONFSTR },
 610 #endif
 611
 612 #ifdef _CS_V6_WIDTH_RESTRICTED_ENVS
 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
 915 #ifdef _SC_IPV6
 916     { "IPV6", _SC_IPV6, SYSCONF },
 917 #endif
 918 #ifdef _SC_RAW_SOCKETS
 919     { "RAW_SOCKETS", _SC_RAW_SOCKETS, SYSCONF },
 920 #endif
 921
 922     { NULL, 0, SYSCONF }
 923   };
 924
 925
 926 static struct { const char *name; int num; } specs[] =
 927   {
 928     { "POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32 },
 929     { "POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG },
 930     { "POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64 },
 931     { "POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG }
 932   };
 933 static const int nspecs = sizeof (specs) / sizeof (specs[0]);
 934
 935 extern const char *__progname;
 936
 937
 938 static void
 939 usage (void)
 940 {
 941   fprintf (stderr,
 942            _("Usage: %s [-v specification] variable_name [pathname]\n"),
 943            __progname);
 944   exit (2);
 945 }
 946
 947 int
 948 main (int argc, char *argv[])
 949 {
 950   register const struct conf *c;
 951
 952   /* Set locale.  Do not set LC_ALL because the other categories must
 953      not be affected (according to POSIX.2).  */
 954   setlocale (LC_CTYPE, "");
 955   setlocale (LC_MESSAGES, "");
 956
 957   /* Initialize the message catalog.  */
 958   textdomain (PACKAGE);
 959
 960   if (argc > 1 && strcmp (argv[1], "--version") == 0)
 961     {
 962       fprintf (stderr, "getconf (GNU %s) %s\n", PACKAGE, VERSION);
 963       fprintf (stderr, gettext ("\
 964 Copyright (C) %s Free Software Foundation, Inc.\n\
 965 This is free software; see the source for copying conditions.  There is NO\n\
 966 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
 967 "), "2004");
 968       fprintf (stderr, gettext ("Written by %s.\n"), "Roland McGrath");
 969       return 0;
 970     }
 971
 972   const char *getconf_dir = getenv ("GETCONF_DIR") ?: GETCONF_DIR;
 973   size_t getconf_dirlen = strlen (getconf_dir);
 974
 975   const char *spec = NULL;
 976   char buf[sizeof "POSIX_V6_LPBIG_OFFBIG"];
 977   char *argv0 = argv[0];
 978   if (argc > 1 && strncmp (argv[1], "-v", 2) == 0)
 979     {
 980       if (argv[1][2] == '\0')
 981         {
 982           if (argc < 3)
 983             usage ();
 984
 985           spec = argv[2];
 986           argv += 2;
 987           argc -= 2;
 988         }
 989       else
 990         {
 991           spec = &argv[1][2];
 992           argv += 1;
 993           argc += 1;
 994         }
 995     }
 996   else
 997     {
 998       char default_name[getconf_dirlen + sizeof "/default"];
 999       memcpy (mempcpy (default_name, getconf_dir, getconf_dirlen),
1000               "/default", sizeof "/default");
1001       int len = readlink (default_name, buf, sizeof buf - 1);
1002       if (len > 0)
1003         {
1004           buf[len] = '\0';
1005           spec = buf;
1006         }
1007     }
1008
1009   /* Check for the specifications we know.  */
1010   if (spec != NULL)
1011     {
1012       int i;
1013       for (i = 0; i < nspecs; ++i)
1014         if (strcmp (spec, specs[i].name) == 0)
1015           break;
1016
1017       if (i == nspecs)
1018         error (2, 0, _("unknown specification \"%s\""), spec);
1019
1020       switch (specs[i].num)
1021         {
1022 #ifndef _POSIX_V6_ILP32_OFF32
1023           case _SC_V6_ILP32_OFF32:
1024 #endif
1025 #ifndef _POSIX_V6_ILP32_OFFBIG
1026           case _SC_V6_ILP32_OFFBIG:
1027 #endif
1028 #ifndef _POSIX_V6_LP64_OFF64
1029           case _SC_V6_LP64_OFF64:
1030 #endif
1031 #ifndef _POSIX_V6_LPBIG_OFFBIG
1032           case _SC_V6_LPBIG_OFFBIG:
1033 #endif
1034             {
1035               const char *args[argc + 3];
1036               size_t spec_len = strlen (spec);
1037               char getconf_name[getconf_dirlen + 1 + spec_len + 1];
1038               memcpy (mempcpy (mempcpy (getconf_name, getconf_dir,
1039                                         getconf_dirlen),
1040                                "/", 1), spec, spec_len + 1);
1041               args[0] = argv0;
1042               args[1] = "-v";
1043               args[2] = spec;
1044               memcpy (&args[3], &argv[1], argc * sizeof (argv[1]));
1045               execv (getconf_name, (char * const *) args);
1046               error (4, errno, _("Couldn't execute %s"), getconf_name);
1047             }
1048           default:
1049             break;
1050         }
1051     }
1052
1053   if (argc < 2 || argc > 3)
1054     usage ();
1055
1056   for (c = vars; c->name != NULL; ++c)
1057     if (strcmp (c->name, argv[1]) == 0
1058         || (strncmp (c->name, "_POSIX_", 7) == 0
1059             && strcmp (c->name + 7, argv[1]) == 0))
1060       {
1061         long int value;
1062         size_t clen;
1063         char *cvalue;
1064         switch (c->call)
1065           {
1066           case PATHCONF:
1067             if (argc < 3)
1068               usage ();
1069             errno = 0;
1070             value = pathconf (argv[2], c->call_name);
1071             if (value == -1)
1072               {
1073                 if (errno)
1074                   error (3, errno, "pathconf: %s", argv[2]);
1075                 else
1076                   puts (_("undefined"));
1077               }
1078             else
1079               printf ("%ld\n", value);
1080             exit (0);
1081
1082           case SYSCONF:
1083             if (argc > 2)
1084               usage ();
1085             value = sysconf (c->call_name);
1086             if (value == -1l)
1087               {
1088                 if (c->call_name == _SC_UINT_MAX
1089                     || c->call_name == _SC_ULONG_MAX)
1090                   printf ("%lu\n", value);
1091                 else
1092                   puts (_("undefined"));
1093               }
1094             else
1095               printf ("%ld\n", value);
1096             exit (0);
1097
1098           case CONFSTR:
1099             if (argc > 2)
1100               usage ();
1101             clen = confstr (c->call_name, (char *) NULL, 0);
1102             cvalue = (char *) malloc (clen);
1103             if (cvalue == NULL)
1104               error (3, 0, _("memory exhausted"));
1105
1106             if (confstr (c->call_name, cvalue, clen) != clen)
1107               error (3, errno, "confstr");
1108
1109             printf ("%.*s\n", (int) clen, cvalue);
1110             exit (0);
1111           }
1112       }
1113
1114   error (2, 0, _("Unrecognized variable `%s'"), argv[1]);
1115   /* NOTREACHED */
1116   return 2;
1117 }