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9281f45d10
2000-01-18 Ulrich Drepper <drepper@cygnus.com> * posix/regex.h (RE_SYNTAX_POSIX_EXTENDED): Add RE_CONTEXT_INVALID_OPS. * posix/regex.c (regex_compile): Return appropriate errors for unterminated brace expressions. Detect invalid characters in brace expressions. * posix/bits/posix2_lim.h: Define RE_DUP_MAX correctly. * sysdeps/posix/sysconf.c: Include regex.h. Reported by Geoff Clare <gwc@unisoft.com> (PR libc/1522).
824 lines
13 KiB
C
824 lines
13 KiB
C
/* Copyright (C) 1991, 93, 95, 96, 97, 99, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <limits.h>
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#include <grp.h>
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#include <pwd.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <time.h>
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#include <unistd.h>
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#include <sys/sysinfo.h>
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#include <sys/types.h>
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#include <regex.h>
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/* Get the value of the system variable NAME. */
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long int
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__sysconf (name)
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int name;
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{
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switch (name)
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{
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default:
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__set_errno (EINVAL);
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return -1;
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case _SC_ARG_MAX:
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#ifdef ARG_MAX
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return ARG_MAX;
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#else
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return -1;
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#endif
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case _SC_CHILD_MAX:
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#ifdef CHILD_MAX
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return CHILD_MAX;
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#else
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return -1;
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#endif
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case _SC_CLK_TCK:
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#ifdef CLK_TCK
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return CLK_TCK;
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#else
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return 60;
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#endif
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case _SC_NGROUPS_MAX:
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#ifdef NGROUPS_MAX
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return NGROUPS_MAX;
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#else
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return -1;
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#endif
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case _SC_OPEN_MAX:
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return __getdtablesize ();
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case _SC_STREAM_MAX:
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#ifdef STREAM_MAX
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return STREAM_MAX;
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#else
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return FOPEN_MAX;
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#endif
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case _SC_TZNAME_MAX:
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return __tzname_max ();
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case _SC_JOB_CONTROL:
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#ifdef _POSIX_JOB_CONTROL
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return 1;
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#else
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return -1;
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#endif
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case _SC_SAVED_IDS:
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#ifdef _POSIX_SAVED_IDS
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return 1;
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#else
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return -1;
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#endif
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case _SC_REALTIME_SIGNALS:
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#ifdef _POSIX_REALTIME_SIGNALS
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return 1;
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#else
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return -1;
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#endif
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case _SC_PRIORITY_SCHEDULING:
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#ifdef _POSIX_PRIORITY_SCHEDULING
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return 1;
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#else
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return -1;
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#endif
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case _SC_TIMERS:
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#ifdef _POSIX_TIMERS
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return 1;
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#else
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return -1;
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#endif
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case _SC_ASYNCHRONOUS_IO:
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#ifdef _POSIX_ASYNCHRONOUS_IO
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return 1;
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#else
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return -1;
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#endif
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case _SC_PRIORITIZED_IO:
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#ifdef _POSIX_PRIORITIZED_IO
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return 1;
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#else
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return -1;
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#endif
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case _SC_SYNCHRONIZED_IO:
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#ifdef _POSIX_SYNCHRONIZED_IO
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return 1;
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#else
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return -1;
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#endif
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case _SC_FSYNC:
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#ifdef _POSIX_FSYNC
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return 1;
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#else
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return -1;
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#endif
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case _SC_MAPPED_FILES:
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#ifdef _POSIX_MAPPED_FILES
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return 1;
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#else
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return -1;
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#endif
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case _SC_MEMLOCK:
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#ifdef _POSIX_MEMLOCK
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return 1;
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#else
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return -1;
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#endif
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case _SC_MEMLOCK_RANGE:
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#ifdef _POSIX_MEMLOCK_RANGE
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return 1;
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#else
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return -1;
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#endif
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case _SC_MEMORY_PROTECTION:
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#ifdef _POSIX_MEMORY_PROTECTION
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return 1;
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#else
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return -1;
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#endif
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case _SC_MESSAGE_PASSING:
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#ifdef _POSIX_MESSAGE_PASSING
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return 1;
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#else
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return -1;
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#endif
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case _SC_SEMAPHORES:
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#ifdef _POSIX_SEMAPHORES
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return 1;
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#else
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return -1;
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#endif
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case _SC_SHARED_MEMORY_OBJECTS:
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#ifdef _POSIX_SHARED_MEMORY_OBJECTS
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return 1;
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#else
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return -1;
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#endif
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case _SC_VERSION:
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return _POSIX_VERSION;
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case _SC_PAGESIZE:
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return __getpagesize ();
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case _SC_AIO_LISTIO_MAX:
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#ifdef AIO_LISTIO_MAX
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return AIO_LISTIO_MAX;
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#else
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return -1;
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#endif
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case _SC_AIO_MAX:
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#ifdef AIO_MAX
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return AIO_MAX;
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#else
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return -1;
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#endif
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case _SC_AIO_PRIO_DELTA_MAX:
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#ifdef AIO_PRIO_DELTA_MAX
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return AIO_PRIO_DELTA_MAX;
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#else
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return -1;
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#endif
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case _SC_DELAYTIMER_MAX:
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#ifdef DELAYTIMER_MAX
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return DELAYTIMER_MAX;
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#else
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return -1;
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#endif
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case _SC_MQ_OPEN_MAX:
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#ifdef MQ_OPEN_MAX
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return MQ_OPEN_MAX;
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#else
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return -1;
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#endif
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case _SC_MQ_PRIO_MAX:
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#ifdef MQ_PRIO_MAX
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return MQ_PRIO_MAX;
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#else
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return -1;
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#endif
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case _SC_RTSIG_MAX:
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#ifdef RTSIG_MAX
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return RTSIG_MAX;
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#else
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return -1;
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#endif
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case _SC_SEM_NSEMS_MAX:
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#ifdef SEM_NSEMS_MAX
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return SEM_NSEMS_MAX;
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#else
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return -1;
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#endif
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case _SC_SEM_VALUE_MAX:
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#ifdef SEM_VALUE_MAX
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return SEM_VALUE_MAX;
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#else
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return -1;
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#endif
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case _SC_SIGQUEUE_MAX:
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#ifdef SIGQUEUE_MAX
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return SIGQUEUE_MAX;
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#else
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return -1;
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#endif
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case _SC_TIMER_MAX:
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#ifdef TIMER_MAX
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return TIMER_MAX;
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#else
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return -1;
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#endif
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case _SC_BC_BASE_MAX:
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#ifdef BC_BASE_MAX
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return BC_BASE_MAX;
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#else
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return -1;
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#endif
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case _SC_BC_DIM_MAX:
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#ifdef BC_DIM_MAX
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return BC_DIM_MAX;
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#else
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return -1;
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#endif
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case _SC_BC_SCALE_MAX:
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#ifdef BC_SCALE_MAX
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return BC_SCALE_MAX;
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#else
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return -1;
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#endif
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case _SC_BC_STRING_MAX:
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#ifdef BC_STRING_MAX
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return BC_STRING_MAX;
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#else
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return -1;
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#endif
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case _SC_COLL_WEIGHTS_MAX:
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#ifdef COLL_WEIGHTS_MAX
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return COLL_WEIGHTS_MAX;
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#else
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return -1;
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#endif
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case _SC_EXPR_NEST_MAX:
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#ifdef EXPR_NEST_MAX
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return EXPR_NEST_MAX;
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#else
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return -1;
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#endif
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case _SC_LINE_MAX:
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#ifdef LINE_MAX
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return LINE_MAX;
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#else
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return -1;
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#endif
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case _SC_RE_DUP_MAX:
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#ifdef RE_DUP_MAX
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return RE_DUP_MAX;
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#else
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return -1;
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#endif
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case _SC_CHARCLASS_NAME_MAX:
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#ifdef CHARCLASS_NAME_MAX
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return CHARCLASS_NAME_MAX;
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#else
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return -1;
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#endif
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case _SC_PII:
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#ifdef _POSIX_PII
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return 1;
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#else
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return -1;
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#endif
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case _SC_PII_XTI:
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#ifdef _POSIX_PII_XTI
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return 1;
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#else
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return -1;
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#endif
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case _SC_PII_SOCKET:
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#ifdef _POSIX_PII_SOCKET
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return 1;
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#else
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return -1;
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#endif
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case _SC_PII_INTERNET:
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#ifdef _POSIX_PII_INTERNET
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return 1;
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#else
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return -1;
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#endif
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case _SC_PII_OSI:
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#ifdef _POSIX_PII_OSI
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return 1;
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#else
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return -1;
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#endif
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case _SC_POLL:
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#ifdef _POSIX_POLL
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return 1;
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#else
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return -1;
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#endif
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case _SC_SELECT:
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#ifdef _POSIX_SELECT
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return 1;
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#else
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return -1;
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#endif
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case _SC_UIO_MAXIOV:
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#ifdef UIO_MAXIOV
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return UIO_MAXIOV;
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#else
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return -1;
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#endif
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case _SC_PII_INTERNET_STREAM:
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#ifdef _POSIX_PII_INTERNET_STREAM
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return 1;
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#else
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return -1;
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#endif
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case _SC_PII_INTERNET_DGRAM:
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#ifdef _POSIX_PII_INTERNET_DGRAM
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return 1;
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#else
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return -1;
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#endif
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case _SC_PII_OSI_COTS:
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#ifdef _POSIX_PII_OSI_COTS
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return 1;
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#else
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return -1;
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#endif
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case _SC_PII_OSI_CLTS:
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#ifdef _POSIX_PII_OSI_CLTS
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return 1;
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#else
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return -1;
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#endif
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case _SC_PII_OSI_M:
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#ifdef _POSIX_PII_OSI_M
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return 1;
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#else
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return -1;
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#endif
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case _SC_T_IOV_MAX:
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#ifdef _T_IOV_MAX
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return _T_IOV_MAX;
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#else
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return -1;
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#endif
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case _SC_2_VERSION:
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return _POSIX2_VERSION;
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case _SC_2_C_BIND:
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#ifdef _POSIX2_C_BIND
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return _POSIX2_C_BIND;
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#else
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return -1;
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#endif
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case _SC_2_C_DEV:
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#ifdef _POSIX2_C_DEV
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return _POSIX2_C_DEV;
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#else
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return -1;
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#endif
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case _SC_2_C_VERSION:
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#ifdef _POSIX2_C_VERSION
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return _POSIX2_C_VERSION;
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#else
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return -1;
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#endif
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case _SC_2_FORT_DEV:
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|
#ifdef _POSIX2_FORT_DEV
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return _POSIX2_FORT_DEV;
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#else
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|
return -1;
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|
#endif
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|
|
case _SC_2_LOCALEDEF:
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|
#ifdef _POSIX2_LOCALEDEF
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|
return _POSIX2_LOCALEDEF;
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#else
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|
return -1;
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|
#endif
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|
case _SC_2_SW_DEV:
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|
#ifdef _POSIX2_SW_DEV
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|
return _POSIX2_SW_DEV;
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|
#else
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|
return -1;
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|
#endif
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|
|
case _SC_2_CHAR_TERM:
|
|
#ifdef _POSIX2_CHAR_TERM
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|
return _POSIX2_CHAR_TERM;
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|
#else
|
|
return -1;
|
|
#endif
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|
|
|
case _SC_2_UPE:
|
|
#ifdef _POSIX2_UPE
|
|
return _POSIX2_UPE;
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|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
/* POSIX 1003.1c (POSIX Threads). */
|
|
case _SC_THREADS:
|
|
#ifdef _POSIX_THREADS
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|
return 1;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_THREAD_SAFE_FUNCTIONS:
|
|
#ifdef _POSIX_THREAD_SAFE_FUNCTIONS
|
|
return 1;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_GETGR_R_SIZE_MAX:
|
|
#ifdef NSS_BUFLEN_GROUP
|
|
return NSS_BUFLEN_GROUP;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_GETPW_R_SIZE_MAX:
|
|
#ifdef NSS_BUFLEN_PASSWD
|
|
return NSS_BUFLEN_PASSWD;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_LOGIN_NAME_MAX:
|
|
#ifdef _POSIX_LOGIN_NAME_MAX
|
|
return _POSIX_LOGIN_NAME_MAX;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_TTY_NAME_MAX:
|
|
#ifdef _POSIX_TTY_NAME_MAX
|
|
return _POSIX_TTY_NAME_MAX;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_THREAD_DESTRUCTOR_ITERATIONS:
|
|
#ifdef _POSIX_THREAD_DESTRUCTOR_ITERATIONS
|
|
return _POSIX_THREAD_DESTRUCTOR_ITERATIONS;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_THREAD_KEYS_MAX:
|
|
#ifdef PTHREAD_KEYS_MAX
|
|
return PTHREAD_KEYS_MAX;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_THREAD_STACK_MIN:
|
|
#ifdef PTHREAD_STACK_MIN
|
|
return PTHREAD_STACK_MIN;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_THREAD_THREADS_MAX:
|
|
#ifdef PTHREAD_THREADS_MAX
|
|
return PTHREAD_THREADS_MAX;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_THREAD_ATTR_STACKADDR:
|
|
#ifdef _POSIX_THREAD_ATTR_STACKADDR
|
|
return 1;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_THREAD_ATTR_STACKSIZE:
|
|
#ifdef _POSIX_THREAD_ATTR_STACKSIZE
|
|
return 1;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_THREAD_PRIORITY_SCHEDULING:
|
|
#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
|
|
return 1;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_THREAD_PRIO_INHERIT:
|
|
#ifdef _POSIX_THREAD_PRIO_INHERIT
|
|
return 1;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_THREAD_PRIO_PROTECT:
|
|
#ifdef _POSIX_THREAD_PRIO_PROTECT
|
|
return 1;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_THREAD_PROCESS_SHARED:
|
|
#ifdef _POSIX_THREAD_PROCESS_SHARED
|
|
return 1;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_NPROCESSORS_CONF:
|
|
return __get_nprocs_conf ();
|
|
|
|
case _SC_NPROCESSORS_ONLN:
|
|
return __get_nprocs ();
|
|
|
|
case _SC_PHYS_PAGES:
|
|
return __get_phys_pages ();
|
|
|
|
case _SC_AVPHYS_PAGES:
|
|
return __get_avphys_pages ();
|
|
|
|
case _SC_ATEXIT_MAX:
|
|
/* We have no limit since we use lists. */
|
|
return INT_MAX;
|
|
|
|
case _SC_PASS_MAX:
|
|
/* We have no limit but since the return value might be used to
|
|
allocate a buffer we restrict the value. */
|
|
return BUFSIZ;
|
|
|
|
case _SC_XOPEN_VERSION:
|
|
return _XOPEN_VERSION;
|
|
|
|
case _SC_XOPEN_XCU_VERSION:
|
|
return _XOPEN_XCU_VERSION;
|
|
|
|
case _SC_XOPEN_UNIX:
|
|
return _XOPEN_UNIX;
|
|
|
|
case _SC_XOPEN_CRYPT:
|
|
#ifdef _XOPEN_CRYPT
|
|
return _XOPEN_CRYPT;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_XOPEN_ENH_I18N:
|
|
#ifdef _XOPEN_ENH_I18N
|
|
return _XOPEN_ENH_I18N;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_XOPEN_SHM:
|
|
#ifdef _XOPEN_SHM
|
|
return _XOPEN_SHM;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_XOPEN_XPG2:
|
|
#ifdef _XOPEN_XPG2
|
|
return _XOPEN_XPG2;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_XOPEN_XPG3:
|
|
#ifdef _XOPEN_XPG3
|
|
return _XOPEN_XPG3;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_XOPEN_XPG4:
|
|
#ifdef _XOPEN_XPG4
|
|
return _XOPEN_XPG4;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_CHAR_BIT:
|
|
return CHAR_BIT;
|
|
|
|
case _SC_CHAR_MAX:
|
|
return CHAR_MAX;
|
|
|
|
case _SC_CHAR_MIN:
|
|
return CHAR_MIN;
|
|
|
|
case _SC_INT_MAX:
|
|
return INT_MAX;
|
|
|
|
case _SC_INT_MIN:
|
|
return INT_MIN;
|
|
|
|
case _SC_LONG_BIT:
|
|
return sizeof (long int) * CHAR_BIT;
|
|
|
|
case _SC_WORD_BIT:
|
|
return sizeof (int) * CHAR_BIT;
|
|
|
|
case _SC_MB_LEN_MAX:
|
|
return MB_LEN_MAX;
|
|
|
|
case _SC_NZERO:
|
|
return NZERO;
|
|
|
|
case _SC_SSIZE_MAX:
|
|
return _POSIX_SSIZE_MAX;
|
|
|
|
case _SC_SCHAR_MAX:
|
|
return SCHAR_MAX;
|
|
|
|
case _SC_SCHAR_MIN:
|
|
return SCHAR_MIN;
|
|
|
|
case _SC_SHRT_MAX:
|
|
return SHRT_MAX;
|
|
|
|
case _SC_SHRT_MIN:
|
|
return SHRT_MIN;
|
|
|
|
case _SC_UCHAR_MAX:
|
|
return UCHAR_MAX;
|
|
|
|
case _SC_UINT_MAX:
|
|
return UINT_MAX;
|
|
|
|
case _SC_ULONG_MAX:
|
|
return ULONG_MAX;
|
|
|
|
case _SC_USHRT_MAX:
|
|
return USHRT_MAX;
|
|
|
|
case _SC_NL_ARGMAX:
|
|
#ifdef NL_ARGMAX
|
|
return NL_ARGMAX;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_NL_LANGMAX:
|
|
#ifdef NL_LANGMAX
|
|
return NL_LANGMAX;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_NL_MSGMAX:
|
|
#ifdef NL_MSGMAX
|
|
return NL_MSGMAX;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_NL_NMAX:
|
|
#ifdef NL_NMAX
|
|
return NL_NMAX;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_NL_SETMAX:
|
|
#ifdef NL_SETMAX
|
|
return NL_SETMAX;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_NL_TEXTMAX:
|
|
#ifdef NL_TEXTMAX
|
|
return NL_TEXTMAX;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_XBS5_ILP32_OFF32:
|
|
#ifdef _XBS5_ILP32_OFF32
|
|
return _XBS5_ILP32_OFF32;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
case _SC_XBS5_ILP32_OFFBIG:
|
|
#ifdef _XBS5_ILP32_OFFBIG
|
|
return _XBS5_ILP32_OFFBIG;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
case _SC_XBS5_LP64_OFF64:
|
|
#ifdef _XBS5_LP64_OFF64
|
|
return _XBS5_LP64_OFF64;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
case _SC_XBS5_LPBIG_OFFBIG:
|
|
#ifdef _XBS5_LPBIG_OFFBIG
|
|
return _XBS5_LPBIG_OFFBIG;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
|
|
case _SC_XOPEN_LEGACY:
|
|
return _XOPEN_LEGACY;
|
|
|
|
case _SC_XOPEN_REALTIME:
|
|
#ifdef _XOPEN_REALTIME
|
|
return _XOPEN_REALTIME;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
case _SC_XOPEN_REALTIME_THREADS:
|
|
#ifdef _XOPEN_REALTIME_THREADS
|
|
return _XOPEN_REALTIME_THREADS;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
weak_alias (__sysconf, sysconf)
|