634 lines
26 KiB
C
634 lines
26 KiB
C
/*-
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* Copyright (c) 1996, 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by J.T. Conklin.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <error.h>
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#include <errno.h>
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#include <limits.h>
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#include <locale.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <getopt.h>
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#include <cygwin/version.h>
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struct conf_variable
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{
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const char *name;
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enum { SYSCONF, CONFSTR, PATHCONF, CONSTANT } type;
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long long value;
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};
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static const struct conf_variable conf_table[] =
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{
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/* Symbolic constants from confstr() */
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{ "PATH", CONFSTR, _CS_PATH },
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{ "POSIX_V7_ILP32_OFF32_CFLAGS", CONFSTR, _CS_POSIX_V7_ILP32_OFF32_CFLAGS },
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{ "POSIX_V7_ILP32_OFF32_LDFLAGS", CONFSTR, _CS_POSIX_V7_ILP32_OFF32_LDFLAGS },
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{ "POSIX_V7_ILP32_OFF32_LIBS", CONFSTR, _CS_POSIX_V7_ILP32_OFF32_LIBS },
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{ "POSIX_V7_ILP32_OFFBIG_CFLAGS", CONFSTR, _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS },
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{ "POSIX_V7_ILP32_OFFBIG_LDFLAGS", CONFSTR, _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS },
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{ "POSIX_V7_ILP32_OFFBIG_LIBS", CONFSTR, _CS_POSIX_V7_ILP32_OFFBIG_LIBS },
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{ "POSIX_V7_LP64_OFF64_CFLAGS", CONFSTR, _CS_POSIX_V7_LP64_OFF64_CFLAGS },
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{ "POSIX_V7_LP64_OFF64_LDFLAGS", CONFSTR, _CS_POSIX_V7_LP64_OFF64_LDFLAGS },
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{ "POSIX_V7_LP64_OFF64_LIBS", CONFSTR, _CS_POSIX_V7_LP64_OFF64_LIBS },
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{ "POSIX_V7_LPBIG_OFFBIG_CFLAGS", CONFSTR, _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS },
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{ "POSIX_V7_LPBIG_OFFBIG_LDFLAGS", CONFSTR, _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS },
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{ "POSIX_V7_LPBIG_OFFBIG_LIBS", CONFSTR, _CS_POSIX_V7_LPBIG_OFFBIG_LIBS },
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{ "POSIX_V7_THREADS_CFLAGS", CONFSTR, _CS_POSIX_V7_THREADS_CFLAGS },
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{ "POSIX_V7_THREADS_LDFLAGS", CONFSTR, _CS_POSIX_V7_THREADS_LDFLAGS },
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{ "POSIX_V7_WIDTH_RESTRICTED_ENVS", CONFSTR, _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS },
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{ "POSIX_V6_ILP32_OFF32_CFLAGS", CONFSTR, _CS_POSIX_V6_ILP32_OFF32_CFLAGS },
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{ "POSIX_V6_ILP32_OFF32_LDFLAGS", CONFSTR, _CS_POSIX_V6_ILP32_OFF32_LDFLAGS },
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{ "POSIX_V6_ILP32_OFF32_LIBS", CONFSTR, _CS_POSIX_V6_ILP32_OFF32_LIBS },
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{ "POSIX_V6_ILP32_OFFBIG_CFLAGS", CONFSTR, _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS },
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{ "POSIX_V6_ILP32_OFFBIG_LDFLAGS", CONFSTR, _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS },
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{ "POSIX_V6_ILP32_OFFBIG_LIBS", CONFSTR, _CS_POSIX_V6_ILP32_OFFBIG_LIBS },
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{ "POSIX_V6_LP64_OFF64_CFLAGS", CONFSTR, _CS_POSIX_V6_LP64_OFF64_CFLAGS },
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{ "POSIX_V6_LP64_OFF64_LDFLAGS", CONFSTR, _CS_POSIX_V6_LP64_OFF64_LDFLAGS },
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{ "POSIX_V6_LP64_OFF64_LIBS", CONFSTR, _CS_POSIX_V6_LP64_OFF64_LIBS },
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{ "POSIX_V6_LPBIG_OFFBIG_CFLAGS", CONFSTR, _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS },
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{ "POSIX_V6_LPBIG_OFFBIG_LDFLAGS", CONFSTR, _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS },
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{ "POSIX_V6_LPBIG_OFFBIG_LIBS", CONFSTR, _CS_POSIX_V6_LPBIG_OFFBIG_LIBS },
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{ "POSIX_V6_WIDTH_RESTRICTED_ENVS", CONFSTR, _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS },
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{ "XBS5_ILP32_OFF32_CFLAGS", CONFSTR, _CS_XBS5_ILP32_OFF32_CFLAGS },
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{ "XBS5_ILP32_OFF32_LDFLAGS", CONFSTR, _CS_XBS5_ILP32_OFF32_LDFLAGS },
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{ "XBS5_ILP32_OFF32_LIBS", CONFSTR, _CS_XBS5_ILP32_OFF32_LIBS },
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{ "XBS5_ILP32_OFF32_LINTFLAGS", CONFSTR, _CS_XBS5_ILP32_OFF32_LINTFLAGS },
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{ "XBS5_ILP32_OFFBIG_CFLAGS", CONFSTR, _CS_XBS5_ILP32_OFFBIG_CFLAGS },
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{ "XBS5_ILP32_OFFBIG_LDFLAGS", CONFSTR, _CS_XBS5_ILP32_OFFBIG_LDFLAGS },
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{ "XBS5_ILP32_OFFBIG_LIBS", CONFSTR, _CS_XBS5_ILP32_OFFBIG_LIBS },
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{ "XBS5_ILP32_OFFBIG_LINTFLAGS", CONFSTR, _CS_XBS5_ILP32_OFFBIG_LINTFLAGS },
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{ "XBS5_LP64_OFF64_CFLAGS", CONFSTR, _CS_XBS5_LP64_OFF64_CFLAGS },
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{ "XBS5_LP64_OFF64_LDFLAGS", CONFSTR, _CS_XBS5_LP64_OFF64_LDFLAGS },
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{ "XBS5_LP64_OFF64_LIBS", CONFSTR, _CS_XBS5_LP64_OFF64_LIBS },
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{ "XBS5_LP64_OFF64_LINTFLAGS", CONFSTR, _CS_XBS5_LP64_OFF64_LINTFLAGS },
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{ "XBS5_LPBIG_OFFBIG_CFLAGS", CONFSTR, _CS_XBS5_LPBIG_OFFBIG_CFLAGS },
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{ "XBS5_LPBIG_OFFBIG_LDFLAGS", CONFSTR, _CS_XBS5_LPBIG_OFFBIG_LDFLAGS },
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{ "XBS5_LPBIG_OFFBIG_LIBS", CONFSTR, _CS_XBS5_LPBIG_OFFBIG_LIBS },
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{ "XBS5_LPBIG_OFFBIG_LINTFLAGS", CONFSTR, _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS },
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{ "XBS5_WIDTH_RESTRICTED_ENVS", CONFSTR, _CS_XBS5_WIDTH_RESTRICTED_ENVS },
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{ "V7_ENV", CONFSTR, _CS_V7_ENV },
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{ "V6_ENV", CONFSTR, _CS_V6_ENV },
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/* Symbolic constants from <limits.h> */
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{ "_POSIX_AIO_LISTIO_MAX", CONSTANT, _POSIX_AIO_LISTIO_MAX },
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{ "_POSIX_AIO_MAX", CONSTANT, _POSIX_AIO_MAX },
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{ "_POSIX_ARG_MAX", CONSTANT, _POSIX_ARG_MAX },
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{ "_POSIX_CHILD_MAX", CONSTANT, _POSIX_CHILD_MAX },
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{ "_POSIX_CLOCKRES_MIN", CONSTANT, _POSIX_CLOCKRES_MIN },
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{ "_POSIX_DELAYTIMER_MAX", CONSTANT, _POSIX_DELAYTIMER_MAX },
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{ "_POSIX_HOST_NAME_MAX", CONSTANT, _POSIX_HOST_NAME_MAX },
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{ "_POSIX_LINK_MAX", CONSTANT, _POSIX_LINK_MAX },
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{ "_POSIX_LOGIN_NAME_MAX", CONSTANT, _POSIX_LOGIN_NAME_MAX },
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{ "_POSIX_MAX_CANON", CONSTANT, _POSIX_MAX_CANON },
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{ "_POSIX_MAX_INPUT", CONSTANT, _POSIX_MAX_INPUT },
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{ "_POSIX_MQ_OPEN_MAX", CONSTANT, _POSIX_MQ_OPEN_MAX },
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{ "_POSIX_MQ_PRIO_MAX", CONSTANT, _POSIX_MQ_PRIO_MAX },
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{ "_POSIX_NAME_MAX", CONSTANT, _POSIX_NAME_MAX },
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{ "_POSIX_NGROUPS_MAX", CONSTANT, _POSIX_NGROUPS_MAX },
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{ "_POSIX_OPEN_MAX", CONSTANT, _POSIX_OPEN_MAX },
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{ "_POSIX_PATH_MAX", CONSTANT, _POSIX_PATH_MAX },
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{ "_POSIX_PIPE_BUF", CONSTANT, _POSIX_PIPE_BUF },
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{ "_POSIX_RE_DUP_MAX", CONSTANT, _POSIX_RE_DUP_MAX },
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{ "_POSIX_RTSIG_MAX", CONSTANT, _POSIX_RTSIG_MAX },
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{ "_POSIX_SEM_NSEMS_MAX", CONSTANT, _POSIX_SEM_NSEMS_MAX },
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{ "_POSIX_SEM_VALUE_MAX", CONSTANT, _POSIX_SEM_VALUE_MAX },
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{ "_POSIX_SIGQUEUE_MAX", CONSTANT, _POSIX_SIGQUEUE_MAX },
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{ "_POSIX_SSIZE_MAX", CONSTANT, _POSIX_SSIZE_MAX },
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{ "_POSIX_SS_REPL_MAX", CONSTANT, _POSIX_SS_REPL_MAX },
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{ "_POSIX_STREAM_MAX", CONSTANT, _POSIX_STREAM_MAX },
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{ "_POSIX_SYMLINK_MAX", CONSTANT, _POSIX_SYMLINK_MAX },
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{ "_POSIX_SYMLOOP_MAX", CONSTANT, _POSIX_SYMLOOP_MAX },
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{ "_POSIX_THREAD_DESTRUCTOR_ITERATIONS", CONSTANT, _POSIX_THREAD_DESTRUCTOR_ITERATIONS },
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{ "_POSIX_THREAD_KEYS_MAX", CONSTANT, _POSIX_THREAD_KEYS_MAX },
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{ "_POSIX_THREAD_THREADS_MAX", CONSTANT, _POSIX_THREAD_THREADS_MAX },
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{ "_POSIX_TIMER_MAX", CONSTANT, _POSIX_TIMER_MAX },
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{ "_POSIX_TRACE_EVENT_NAME_MAX", CONSTANT, _POSIX_TRACE_EVENT_NAME_MAX },
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{ "_POSIX_TRACE_NAME_MAX", CONSTANT, _POSIX_TRACE_NAME_MAX },
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{ "_POSIX_TRACE_SYS_MAX", CONSTANT, _POSIX_TRACE_SYS_MAX },
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{ "_POSIX_TRACE_USER_EVENT_MAX", CONSTANT, _POSIX_TRACE_USER_EVENT_MAX },
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{ "_POSIX_TTY_NAME_MAX", CONSTANT, _POSIX_TTY_NAME_MAX },
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{ "_POSIX_TZNAME_MAX", CONSTANT, _POSIX_TZNAME_MAX },
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{ "_POSIX2_BC_BASE_MAX", CONSTANT, _POSIX2_BC_BASE_MAX },
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{ "_POSIX2_BC_DIM_MAX", CONSTANT, _POSIX2_BC_DIM_MAX },
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{ "_POSIX2_BC_SCALE_MAX", CONSTANT, _POSIX2_BC_SCALE_MAX },
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{ "_POSIX2_BC_STRING_MAX", CONSTANT, _POSIX2_BC_STRING_MAX },
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{ "_POSIX2_COLL_WEIGHTS_MAX", CONSTANT, _POSIX2_COLL_WEIGHTS_MAX },
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{ "_POSIX2_EXPR_NEXT_MAX", CONSTANT, _POSIX2_EXPR_NEST_MAX },
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{ "_POSIX2_LINE_MAX", CONSTANT, _POSIX2_LINE_MAX },
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{ "_POSIX2_RE_DUP_MAX", CONSTANT, _POSIX2_RE_DUP_MAX },
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{ "_XOPEN_IOV_MAX", CONSTANT, _XOPEN_IOV_MAX },
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{ "_XOPEN_NAME_MAX", CONSTANT, _XOPEN_NAME_MAX },
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{ "_XOPEN_PATH_MAX", CONSTANT, _XOPEN_PATH_MAX },
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{ "CHAR_BIT", CONSTANT, CHAR_BIT },
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{ "CHAR_MAX", CONSTANT, CHAR_MAX },
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{ "CHAR_MIN", CONSTANT, CHAR_MIN },
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{ "INT_MAX", CONSTANT, INT_MAX },
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{ "INT_MIN", CONSTANT, INT_MIN },
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{ "LLONG_MIN", CONSTANT, LLONG_MIN },
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{ "LLONG_MAX", CONSTANT, LLONG_MAX },
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{ "LONG_BIT", CONSTANT, LONG_BIT },
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{ "LONG_MAX", CONSTANT, LONG_MAX },
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{ "LONG_MIN", CONSTANT, LONG_MIN },
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{ "MB_LEN_MAX", CONSTANT, MB_LEN_MAX },
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{ "SCHAR_MAX", CONSTANT, SCHAR_MAX },
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{ "SCHAR_MIN", CONSTANT, SCHAR_MIN },
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{ "SHRT_MAX", CONSTANT, SHRT_MAX },
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{ "SHRT_MIN", CONSTANT, SHRT_MIN },
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{ "SSIZE_MAX", CONSTANT, SSIZE_MAX },
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{ "UCHAR_MAX", CONSTANT, UCHAR_MAX },
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{ "UINT_MAX", CONSTANT, UINT_MAX },
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{ "ULLONG_MAX", CONSTANT, ULLONG_MAX },
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{ "ULONG_MAX", CONSTANT, ULONG_MAX },
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{ "USHRT_MAX", CONSTANT, USHRT_MAX },
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{ "WORD_BIT", CONSTANT, WORD_BIT },
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{ "NL_ARGMAX", CONSTANT, NL_ARGMAX },
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{ "ML_LANGMAX", CONSTANT, NL_LANGMAX },
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{ "NL_MSGMAX", CONSTANT, NL_MSGMAX },
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{ "NL_SETMAX", CONSTANT, NL_SETMAX },
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{ "NL_TEXTMAX", CONSTANT, NL_TEXTMAX },
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{ "NZERO", CONSTANT, NZERO },
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/* required by POSIX.1-2008 for compatibility with earlier versions */
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{ "POSIX2_BC_BASE_MAX", CONSTANT, _POSIX2_BC_BASE_MAX },
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{ "POSIX2_BC_DIM_MAX", CONSTANT, _POSIX2_BC_DIM_MAX },
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{ "POSIX2_BC_SCALE_MAX", CONSTANT, _POSIX2_BC_SCALE_MAX },
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{ "POSIX2_BC_STRING_MAX", CONSTANT, _POSIX2_BC_STRING_MAX },
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{ "POSIX2_COLL_WEIGHTS_MAX", CONSTANT, _POSIX2_COLL_WEIGHTS_MAX },
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{ "POSIX2_EXPR_NEXT_MAX", CONSTANT, _POSIX2_EXPR_NEST_MAX },
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{ "POSIX2_LINE_MAX", CONSTANT, _POSIX2_LINE_MAX },
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{ "POSIX2_RE_DUP_MAX", CONSTANT, _POSIX2_RE_DUP_MAX },
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/* Variables from fpathconf() */
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{ "CASE_INSENSITIVE", PATHCONF, _PC_CASE_INSENSITIVE },
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{ "FILESIZEBITS", PATHCONF, _PC_FILESIZEBITS },
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{ "LINK_MAX", PATHCONF, _PC_LINK_MAX },
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{ "MAX_CANON", PATHCONF, _PC_MAX_CANON },
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{ "MAX_INPUT", PATHCONF, _PC_MAX_INPUT },
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{ "NAME_MAX", PATHCONF, _PC_NAME_MAX },
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{ "PATH_MAX", PATHCONF, _PC_PATH_MAX },
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{ "PIPE_BUF", PATHCONF, _PC_PIPE_BUF },
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{ "POSIX2_SYMLINKS", PATHCONF, _PC_2_SYMLINKS },
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{ "POSIX_ALLOC_SIZE_MIN", PATHCONF, _PC_ALLOC_SIZE_MIN },
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{ "POSIX_PERMISSIONS", PATHCONF, _PC_POSIX_PERMISSIONS },
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{ "POSIX_REC_INCR_XFER_SIZE", PATHCONF, _PC_REC_INCR_XFER_SIZE },
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{ "POSIX_REC_MAX_XFER_SIZE", PATHCONF, _PC_REC_MAX_XFER_SIZE },
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{ "POSIX_REC_MIN_XFER_SIZE", PATHCONF, _PC_REC_MIN_XFER_SIZE },
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{ "POSIX_REC_XFER_ALIGN", PATHCONF, _PC_REC_XFER_ALIGN },
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{ "POSIX_SECURITY", PATHCONF, _PC_POSIX_SECURITY },
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{ "SYMLINK_MAX", PATHCONF, _PC_SYMLINK_MAX },
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{ "_POSIX_CHOWN_RESTRICTED", PATHCONF, _PC_CHOWN_RESTRICTED },
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{ "_POSIX_NO_TRUNC", PATHCONF, _PC_NO_TRUNC },
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{ "_POSIX_VDISABLE", PATHCONF, _PC_VDISABLE },
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{ "_POSIX_ASYNC_IO", PATHCONF, _PC_ASYNC_IO },
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{ "_POSIX_PRIO_IO", PATHCONF, _PC_PRIO_IO },
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{ "_POSIX_SYNC_IO", PATHCONF, _PC_SYNC_IO },
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{ "_POSIX_TIMESTAMP_RESOLUTION", PATHCONF, _PC_TIMESTAMP_RESOLUTION },
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/* Variables from sysconf() */
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{ "AIO_LISTIO_MAX", SYSCONF, _SC_AIO_LISTIO_MAX },
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{ "AIO_MAX", SYSCONF, _SC_AIO_MAX },
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{ "AIO_PRIO_DELTA_MAX", SYSCONF, _SC_AIO_PRIO_DELTA_MAX },
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{ "ARG_MAX", SYSCONF, _SC_ARG_MAX },
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{ "ATEXIT_MAX", SYSCONF, _SC_ATEXIT_MAX },
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{ "BC_BASE_MAX", SYSCONF, _SC_BC_BASE_MAX },
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{ "BC_DIM_MAX", SYSCONF, _SC_BC_DIM_MAX },
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{ "BC_SCALE_MAX", SYSCONF, _SC_BC_SCALE_MAX },
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{ "BC_STRING_MAX", SYSCONF, _SC_BC_STRING_MAX },
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{ "CHILD_MAX", SYSCONF, _SC_CHILD_MAX },
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{ "CLK_TCK", SYSCONF, _SC_CLK_TCK },
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{ "COLL_WEIGHTS_MAX", SYSCONF, _SC_COLL_WEIGHTS_MAX },
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{ "DELAYTIMER_MAX", SYSCONF, _SC_DELAYTIMER_MAX },
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{ "EXPR_NEST_MAX", SYSCONF, _SC_EXPR_NEST_MAX },
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{ "GETGR_R_SIZE_MAX", SYSCONF, _SC_GETGR_R_SIZE_MAX },
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{ "GETPW_R_SIZE_MAX", SYSCONF, _SC_GETPW_R_SIZE_MAX },
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{ "HOST_NAME_MAX", SYSCONF, _SC_HOST_NAME_MAX },
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{ "IOV_MAX", SYSCONF, _SC_IOV_MAX },
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{ "LINE_MAX", SYSCONF, _SC_LINE_MAX },
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{ "LOGIN_NAME_MAX", SYSCONF, _SC_LOGIN_NAME_MAX },
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{ "MQ_OPEN_MAX", SYSCONF, _SC_MQ_OPEN_MAX },
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{ "MQ_PRIO_MAX", SYSCONF, _SC_MQ_PRIO_MAX },
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{ "NGROUPS_MAX", SYSCONF, _SC_NGROUPS_MAX },
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{ "OPEN_MAX", SYSCONF, _SC_OPEN_MAX },
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{ "PAGE_SIZE", SYSCONF, _SC_PAGESIZE },
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{ "PAGESIZE", SYSCONF, _SC_PAGESIZE },
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{ "PTHREAD_DESTRUCTOR_ITERATIONS", SYSCONF, _SC_THREAD_DESTRUCTOR_ITERATIONS },
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{ "PTHREAD_KEYS_MAX", SYSCONF, _SC_THREAD_KEYS_MAX },
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{ "PTHREAD_STACK_MIN", SYSCONF, _SC_THREAD_STACK_MIN },
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{ "PTHREAD_THREADS_MAX", SYSCONF, _SC_THREAD_THREADS_MAX },
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{ "RE_DUP_MAX", SYSCONF, _SC_RE_DUP_MAX },
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{ "RTSIG_MAX", SYSCONF, _SC_RTSIG_MAX },
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{ "SEM_NSEMS_MAX", SYSCONF, _SC_SEM_NSEMS_MAX },
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{ "SEM_VALUE_MAX", SYSCONF, _SC_SEM_VALUE_MAX },
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{ "SIGQUEUE_MAX", SYSCONF, _SC_SIGQUEUE_MAX },
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{ "STREAM_MAX", SYSCONF, _SC_STREAM_MAX },
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{ "SYMLOOP_MAX", SYSCONF, _SC_SYMLOOP_MAX },
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{ "TIMER_MAX", SYSCONF, _SC_TIMER_MAX },
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{ "TTY_NAME_MAX", SYSCONF, _SC_TTY_NAME_MAX },
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{ "TZNAME_MAX", SYSCONF, _SC_TZNAME_MAX },
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{ "_POSIX_ADVISORY_INFO", SYSCONF, _SC_ADVISORY_INFO },
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{ "_POSIX_ASYNCHRONOUS_IO", SYSCONF, _SC_ASYNCHRONOUS_IO },
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{ "_POSIX_BARRIERS", SYSCONF, _SC_BARRIERS },
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{ "_POSIX_CLOCK_SELECTION", SYSCONF, _SC_CLOCK_SELECTION },
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{ "_POSIX_CPUTIME", SYSCONF, _SC_CPUTIME },
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{ "_POSIX_FSYNC", SYSCONF, _SC_FSYNC },
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{ "_POSIX_IPV6", SYSCONF, _SC_IPV6 },
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{ "_POSIX_JOB_CONTROL", SYSCONF, _SC_JOB_CONTROL },
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{ "_POSIX_MAPPED_FILES", SYSCONF, _SC_MAPPED_FILES },
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{ "_POSIX_MEMLOCK", SYSCONF, _SC_MEMLOCK },
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{ "_POSIX_MEMLOCK_RANGE", SYSCONF, _SC_MEMLOCK_RANGE },
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{ "_POSIX_MEMORY_PROTECTION", SYSCONF, _SC_MEMORY_PROTECTION },
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{ "_POSIX_MESSAGE_PASSING", SYSCONF, _SC_MESSAGE_PASSING },
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{ "_POSIX_MONOTONIC_CLOCK", SYSCONF, _SC_MONOTONIC_CLOCK },
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{ "_POSIX_PRIORITIZED_IO", SYSCONF, _SC_PRIORITIZED_IO },
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{ "_POSIX_PRIORITY_SCHEDULING", SYSCONF, _SC_PRIORITY_SCHEDULING },
|
|
{ "_POSIX_RAW_SOCKETS", SYSCONF, _SC_RAW_SOCKETS },
|
|
{ "_POSIX_READER_WRITER_LOCKS", SYSCONF, _SC_READER_WRITER_LOCKS },
|
|
{ "_POSIX_REALTIME_SIGNALS", SYSCONF, _SC_REALTIME_SIGNALS },
|
|
{ "_POSIX_REGEXP", SYSCONF, _SC_REGEXP },
|
|
{ "_POSIX_SAVED_IDS", SYSCONF, _SC_SAVED_IDS },
|
|
{ "_POSIX_SEMAPHORES", SYSCONF, _SC_SEMAPHORES },
|
|
{ "_POSIX_SHARED_MEMORY_OBJECTS", SYSCONF, _SC_SHARED_MEMORY_OBJECTS },
|
|
{ "_POSIX_SHELL", SYSCONF, _SC_SHELL },
|
|
{ "_POSIX_SPAWN", SYSCONF, _SC_SPAWN },
|
|
{ "_POSIX_SPIN_LOCKS", SYSCONF, _SC_SPIN_LOCKS },
|
|
{ "_POSIX_SPORADIC_SERVER", SYSCONF, _SC_SPORADIC_SERVER },
|
|
{ "_POSIX_SS_REPL_MAX", SYSCONF, _SC_SS_REPL_MAX },
|
|
{ "_POSIX_SYNCHRONIZED_IO", SYSCONF, _SC_SYNCHRONIZED_IO },
|
|
{ "_POSIX_THREAD_ATTR_STACKADDR", SYSCONF, _SC_THREAD_ATTR_STACKADDR },
|
|
{ "_POSIX_THREAD_ATTR_STACKSIZE", SYSCONF, _SC_THREAD_ATTR_STACKSIZE },
|
|
{ "_POSIX_THREAD_CPUTIME", SYSCONF, _SC_THREAD_CPUTIME },
|
|
{ "_POSIX_THREAD_PRIO_INHERIT", SYSCONF, _SC_THREAD_PRIO_INHERIT },
|
|
{ "_POSIX_THREAD_PRIO_PROTECT", SYSCONF, _SC_THREAD_PRIO_PROTECT },
|
|
{ "_POSIX_THREAD_PRIORITY_SCHEDULING",SYSCONF, _SC_THREAD_PRIORITY_SCHEDULING },
|
|
{ "_POSIX_THREAD_PROCESS_SHARED", SYSCONF, _SC_THREAD_PROCESS_SHARED },
|
|
{ "_POSIX_THREAD_ROBUST_PRIO_INHERIT",SYSCONF, _SC_THREAD_ROBUST_PRIO_INHERIT },
|
|
{ "_POSIX_THREAD_ROBUST_PRIO_PROTECT",SYSCONF, _SC_THREAD_ROBUST_PRIO_PROTECT },
|
|
{ "_POSIX_THREAD_SAFE_FUNCTIONS", SYSCONF, _SC_THREAD_SAFE_FUNCTIONS },
|
|
{ "_POSIX_THREAD_SPORADIC_SERVER", SYSCONF, _SC_THREAD_SPORADIC_SERVER },
|
|
{ "_POSIX_THREADS", SYSCONF, _SC_THREADS },
|
|
{ "_POSIX_TIMEOUTS", SYSCONF, _SC_TIMEOUTS },
|
|
{ "_POSIX_TIMERS", SYSCONF, _SC_TIMERS },
|
|
{ "_POSIX_TRACE", SYSCONF, _SC_TRACE },
|
|
{ "_POSIX_TRACE_EVENT_FILTER", SYSCONF, _SC_TRACE_EVENT_FILTER },
|
|
{ "_POSIX_TRACE_EVENT_NAME_MAX", SYSCONF, _SC_TRACE_EVENT_NAME_MAX },
|
|
{ "_POSIX_TRACE_INHERIT", SYSCONF, _SC_TRACE_INHERIT },
|
|
{ "_POSIX_TRACE_LOG", SYSCONF, _SC_TRACE_LOG },
|
|
{ "_POSIX_TRACE_NAME_MAX", SYSCONF, _SC_TRACE_NAME_MAX },
|
|
{ "_POSIX_TRACE_SYS_MAX", SYSCONF, _SC_TRACE_SYS_MAX },
|
|
{ "_POSIX_TRACE_USER_EVENT_MAX", SYSCONF, _SC_TRACE_USER_EVENT_MAX },
|
|
{ "_POSIX_TYPED_MEMORY_OBJECTS", SYSCONF, _SC_TYPED_MEMORY_OBJECTS },
|
|
{ "_POSIX_VERSION", SYSCONF, _SC_VERSION },
|
|
{ "_POSIX_V7_ILP32_OFF32", SYSCONF, _SC_V7_ILP32_OFF32 },
|
|
{ "_POSIX_V7_ILP32_OFFBIG", SYSCONF, _SC_V7_ILP32_OFFBIG },
|
|
{ "_POSIX_V7_LP64_OFF64", SYSCONF, _SC_V7_LP64_OFF64 },
|
|
{ "_POSIX_V7_LPBIG_OFFBIG", SYSCONF, _SC_V7_LPBIG_OFFBIG },
|
|
{ "_POSIX_V6_ILP32_OFF32", SYSCONF, _SC_V6_ILP32_OFF32 },
|
|
{ "_POSIX_V6_ILP32_OFFBIG", SYSCONF, _SC_V6_ILP32_OFFBIG },
|
|
{ "_POSIX_V6_LP64_OFF64", SYSCONF, _SC_V6_LP64_OFF64 },
|
|
{ "_POSIX_V6_LPBIG_OFFBIG", SYSCONF, _SC_V6_LPBIG_OFFBIG },
|
|
{ "_POSIX2_C_BIND", SYSCONF, _SC_2_C_BIND },
|
|
{ "_POSIX2_C_DEV", SYSCONF, _SC_2_C_DEV },
|
|
{ "_POSIX2_CHAR_TERM", SYSCONF, _SC_2_CHAR_TERM },
|
|
{ "_POSIX2_FORT_DEV", SYSCONF, _SC_2_FORT_DEV },
|
|
{ "_POSIX2_FORT_RUN", SYSCONF, _SC_2_FORT_RUN },
|
|
{ "_POSIX2_LOCALEDEF", SYSCONF, _SC_2_LOCALEDEF },
|
|
{ "_POSIX2_PBS", SYSCONF, _SC_2_PBS },
|
|
{ "_POSIX2_PBS_ACCOUNTING", SYSCONF, _SC_2_PBS_ACCOUNTING },
|
|
{ "_POSIX2_PBS_CHECKPOINT", SYSCONF, _SC_2_PBS_CHECKPOINT },
|
|
{ "_POSIX2_PBS_LOCATE", SYSCONF, _SC_2_PBS_LOCATE },
|
|
{ "_POSIX2_PBS_MESSAGE", SYSCONF, _SC_2_PBS_MESSAGE },
|
|
{ "_POSIX2_PBS_TRACK", SYSCONF, _SC_2_PBS_TRACK },
|
|
{ "_POSIX2_SW_DEV", SYSCONF, _SC_2_SW_DEV },
|
|
{ "_POSIX2_UPE", SYSCONF, _SC_2_UPE },
|
|
{ "_POSIX2_VERSION", SYSCONF, _SC_2_VERSION },
|
|
{ "_XBS5_ILP32_OFF32", SYSCONF, _SC_XBS5_ILP32_OFF32 },
|
|
{ "_XBS5_ILP32_OFFBIG", SYSCONF, _SC_XBS5_ILP32_OFFBIG },
|
|
{ "_XBS5_LP64_OFF64", SYSCONF, _SC_XBS5_LP64_OFF64 },
|
|
{ "_XBS5_LPBIG_OFFBIG", SYSCONF, _SC_XBS5_LPBIG_OFFBIG },
|
|
{ "_XOPEN_CRYPT", SYSCONF, _SC_XOPEN_CRYPT },
|
|
{ "_XOPEN_ENH_I18N", SYSCONF, _SC_XOPEN_ENH_I18N },
|
|
{ "_XOPEN_LEGACY", SYSCONF, _SC_XOPEN_LEGACY },
|
|
{ "_XOPEN_REALTIME", SYSCONF, _SC_XOPEN_REALTIME },
|
|
{ "_XOPEN_REALTIME_THREADS", SYSCONF, _SC_XOPEN_REALTIME_THREADS },
|
|
{ "_XOPEN_SHM", SYSCONF, _SC_XOPEN_SHM },
|
|
{ "_XOPEN_STREAMS", SYSCONF, _SC_XOPEN_STREAMS },
|
|
{ "_XOPEN_UNIX", SYSCONF, _SC_XOPEN_UNIX },
|
|
{ "_XOPEN_UUCP", SYSCONF, _SC_XOPEN_UUCP },
|
|
{ "_XOPEN_VERSION", SYSCONF, _SC_XOPEN_VERSION },
|
|
/* for compatibility with earlier versions */
|
|
{ "POSIX2_C_BIND", SYSCONF, _SC_2_C_BIND },
|
|
{ "POSIX2_C_DEV", SYSCONF, _SC_2_C_DEV },
|
|
{ "POSIX2_CHAR_TERM", SYSCONF, _SC_2_CHAR_TERM },
|
|
{ "POSIX2_FORT_DEV", SYSCONF, _SC_2_FORT_DEV },
|
|
{ "POSIX2_FORT_RUN", SYSCONF, _SC_2_FORT_RUN },
|
|
{ "POSIX2_LOCALEDEF", SYSCONF, _SC_2_LOCALEDEF },
|
|
{ "POSIX2_PBS", SYSCONF, _SC_2_PBS },
|
|
{ "POSIX2_PBS_ACCOUNTING", SYSCONF, _SC_2_PBS_ACCOUNTING },
|
|
{ "POSIX2_PBS_CHECKPOINT", SYSCONF, _SC_2_PBS_CHECKPOINT },
|
|
{ "POSIX2_PBS_LOCATE", SYSCONF, _SC_2_PBS_LOCATE },
|
|
{ "POSIX2_PBS_MESSAGE", SYSCONF, _SC_2_PBS_MESSAGE },
|
|
{ "POSIX2_PBS_TRACK", SYSCONF, _SC_2_PBS_TRACK },
|
|
{ "POSIX2_SW_DEV", SYSCONF, _SC_2_SW_DEV },
|
|
{ "POSIX2_UPE", SYSCONF, _SC_2_UPE },
|
|
{ "POSIX2_VERSION", SYSCONF, _SC_2_VERSION },
|
|
/* implementation-specific values */
|
|
{ "LEVEL1_ICACHE_SIZE", SYSCONF, _SC_LEVEL1_ICACHE_SIZE },
|
|
{ "LEVEL1_ICACHE_ASSOC", SYSCONF, _SC_LEVEL1_ICACHE_ASSOC },
|
|
{ "LEVEL1_ICACHE_LINESIZE", SYSCONF, _SC_LEVEL1_ICACHE_LINESIZE },
|
|
{ "LEVEL1_DCACHE_SIZE", SYSCONF, _SC_LEVEL1_DCACHE_SIZE },
|
|
{ "LEVEL1_DCACHE_ASSOC", SYSCONF, _SC_LEVEL1_DCACHE_ASSOC },
|
|
{ "LEVEL1_DCACHE_LINESIZE", SYSCONF, _SC_LEVEL1_DCACHE_LINESIZE },
|
|
{ "LEVEL2_CACHE_SIZE", SYSCONF, _SC_LEVEL2_CACHE_SIZE },
|
|
{ "LEVEL2_CACHE_ASSOC", SYSCONF, _SC_LEVEL2_CACHE_ASSOC },
|
|
{ "LEVEL2_CACHE_LINESIZE", SYSCONF, _SC_LEVEL2_CACHE_LINESIZE },
|
|
{ "LEVEL3_CACHE_SIZE", SYSCONF, _SC_LEVEL3_CACHE_SIZE },
|
|
{ "LEVEL3_CACHE_ASSOC", SYSCONF, _SC_LEVEL3_CACHE_ASSOC },
|
|
{ "LEVEL3_CACHE_LINESIZE", SYSCONF, _SC_LEVEL3_CACHE_LINESIZE },
|
|
{ "LEVEL4_CACHE_SIZE", SYSCONF, _SC_LEVEL4_CACHE_SIZE },
|
|
{ "LEVEL4_CACHE_ASSOC", SYSCONF, _SC_LEVEL4_CACHE_ASSOC },
|
|
{ "LEVEL4_CACHE_LINESIZE", SYSCONF, _SC_LEVEL4_CACHE_LINESIZE },
|
|
{ "_NPROCESSORS_CONF", SYSCONF, _SC_NPROCESSORS_CONF },
|
|
{ "_NPROCESSORS_ONLN", SYSCONF, _SC_NPROCESSORS_ONLN },
|
|
{ "_AVPHYS_PAGES", SYSCONF, _SC_AVPHYS_PAGES },
|
|
{ "_PHYS_PAGES", SYSCONF, _SC_PHYS_PAGES },
|
|
|
|
{ NULL, CONSTANT, 0L }
|
|
};
|
|
|
|
struct spec_variable {
|
|
const char *name;
|
|
int valid;
|
|
};
|
|
|
|
#if __LP64__
|
|
#define ILP32 0
|
|
#define LP64 1
|
|
#else
|
|
#define ILP32 1
|
|
#define LP64 0
|
|
#endif
|
|
|
|
static const struct spec_variable spec_table[] = {
|
|
{ "POSIX_V7_ILP32_OFF32", 0 },
|
|
{ "POSIX_V7_ILP32_OFFBIG", ILP32 },
|
|
{ "POSIX_V7_LP64_OFF64", LP64 },
|
|
{ "POSIX_V7_LPBIG_OFFBIG", LP64 },
|
|
{ "POSIX_V6_ILP32_OFF32", 0 },
|
|
{ "POSIX_V6_ILP32_OFFBIG", ILP32 },
|
|
{ "POSIX_V6_LP64_OFF64", LP64 },
|
|
{ "POSIX_V6_LPBIG_OFFBIG", LP64 },
|
|
{ "XBS5_ILP32_OFF32", 0 },
|
|
{ "XBS5_ILP32_OFFBIG", ILP32 },
|
|
{ "XBS5_LP64_OFF64", LP64 },
|
|
{ "XBS5_LPBIG_OFFBIG", LP64 },
|
|
{ NULL, 0 },
|
|
};
|
|
|
|
#undef ILP32
|
|
#undef LP64
|
|
|
|
static int a_flag = 0; /* list all variables */
|
|
static int v_flag = 0; /* follow given specification */
|
|
|
|
static void
|
|
print_longvar (const char *name, long long value)
|
|
{
|
|
if (a_flag)
|
|
printf ("%-35s %lld\n", name, value);
|
|
else
|
|
printf ("%lld\n", value);
|
|
}
|
|
|
|
static void
|
|
print_strvar (const char *name, const char *sval)
|
|
{
|
|
if (a_flag)
|
|
printf ("%-35s %s\n", name, sval);
|
|
else
|
|
printf ("%s\n", sval);
|
|
}
|
|
|
|
static void
|
|
printvar (const struct conf_variable *cp, const char *pathname)
|
|
{
|
|
size_t slen;
|
|
char *sval;
|
|
long val;
|
|
|
|
switch (cp->type)
|
|
{
|
|
case CONSTANT:
|
|
print_longvar (cp->name, cp->value);
|
|
break;
|
|
|
|
case CONFSTR:
|
|
errno = 0;
|
|
slen = confstr ((int) cp->value, NULL, 0);
|
|
if (slen == 0)
|
|
{
|
|
if (errno == 0)
|
|
print_strvar (cp->name, "undefined");
|
|
return;
|
|
}
|
|
|
|
if ((sval = malloc (slen)) == NULL)
|
|
error (EXIT_FAILURE, 0, "Can't allocate %zu bytes", slen);
|
|
|
|
errno = 0;
|
|
if (confstr ((int) cp->value, sval, slen) == 0)
|
|
print_strvar (cp->name, "undefined");
|
|
else
|
|
print_strvar (cp->name, sval);
|
|
|
|
free (sval);
|
|
break;
|
|
|
|
case SYSCONF:
|
|
errno = 0;
|
|
if ((val = sysconf ((int) cp->value)) == -1)
|
|
{
|
|
if (a_flag && errno != 0)
|
|
return; /* Just skip invalid variables */
|
|
print_strvar (cp->name, "undefined");
|
|
}
|
|
else
|
|
print_longvar (cp->name, val);
|
|
break;
|
|
|
|
case PATHCONF:
|
|
errno = 0;
|
|
if ((val = pathconf (pathname, (int) cp->value)) == -1)
|
|
{
|
|
if (a_flag && errno != 0)
|
|
return; /* Just skip invalid variables */
|
|
print_strvar (cp->name, "undefined");
|
|
}
|
|
else
|
|
print_longvar (cp->name, val);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
usage (int ret)
|
|
{
|
|
fprintf (ret ? stderr : stdout,
|
|
"Usage: %1$s [-v specification] variable_name [pathname]\n"
|
|
" %1$s -a [pathname]\n"
|
|
"\n"
|
|
"Get configuration values\n"
|
|
"\n"
|
|
" -v specification Indicate specific version for which configuration\n"
|
|
" values shall be fetched.\n"
|
|
" -a, --all Print all known configuration values\n"
|
|
"\n"
|
|
"Other options:\n"
|
|
"\n"
|
|
" -h, --help This text\n"
|
|
" -V, --version Print program version and exit\n"
|
|
"\n", program_invocation_short_name);
|
|
exit (ret);
|
|
}
|
|
|
|
static void
|
|
print_version ()
|
|
{
|
|
printf ("getconf (cygwin) %d.%d.%d\n"
|
|
"Get configuration values\n"
|
|
"Copyright (C) 2011 - %s Cygwin Authors\n"
|
|
"This is free software; see the source for copying conditions. There is NO\n"
|
|
"warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n",
|
|
CYGWIN_VERSION_DLL_MAJOR / 1000,
|
|
CYGWIN_VERSION_DLL_MAJOR % 1000,
|
|
CYGWIN_VERSION_DLL_MINOR,
|
|
strrchr (__DATE__, ' ') + 1);
|
|
}
|
|
|
|
struct option longopts[] = {
|
|
{"all", no_argument, NULL, 'a'},
|
|
{"help", no_argument, NULL, 'h'},
|
|
{"version", no_argument, NULL, 'V'},
|
|
{0, no_argument, NULL, 0}
|
|
};
|
|
const char *opts = "ahvV";
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
int ch;
|
|
const struct conf_variable *cp;
|
|
const struct spec_variable *sp;
|
|
const char *varname, *pathname;
|
|
int found;
|
|
|
|
setlocale (LC_ALL, "");
|
|
|
|
while ((ch = getopt_long (argc, argv, opts, longopts, NULL)) != -1)
|
|
{
|
|
switch (ch)
|
|
{
|
|
case 'a':
|
|
a_flag = 1;
|
|
break;
|
|
case 'v':
|
|
v_flag = 1;
|
|
break;
|
|
case 'h':
|
|
usage (0);
|
|
case 'V':
|
|
print_version ();
|
|
return 0;
|
|
default:
|
|
fprintf (stderr, "Try `%s --help' for more information.\n",
|
|
program_invocation_short_name);
|
|
return 1;
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (v_flag)
|
|
{
|
|
if (a_flag || argc < 2)
|
|
usage (1);
|
|
for (sp = spec_table; sp->name != NULL; sp++)
|
|
{
|
|
if (strcmp (argv[0], sp->name) == 0)
|
|
{
|
|
if (sp->valid != 1)
|
|
error (EXIT_FAILURE, 0, "unsupported specification \"%s\"", argv[0]);
|
|
break;
|
|
}
|
|
}
|
|
if (sp->name == NULL)
|
|
error (EXIT_FAILURE, 0, "unknown specification \"%s\"", argv[0]);
|
|
argc--;
|
|
argv++;
|
|
}
|
|
|
|
if (!a_flag)
|
|
{
|
|
if (argc == 0)
|
|
usage (1);
|
|
varname = argv[0];
|
|
argc--;
|
|
argv++;
|
|
}
|
|
else
|
|
varname = NULL;
|
|
|
|
if (argc > 1)
|
|
usage (1);
|
|
pathname = argv[0]; /* may be NULL */
|
|
|
|
found = 0;
|
|
for (cp = conf_table; cp->name != NULL; cp++)
|
|
{
|
|
if (a_flag || strcmp (varname, cp->name) == 0)
|
|
{
|
|
/* LINTED weird expression */
|
|
if ((cp->type == PATHCONF) == (pathname != NULL))
|
|
{
|
|
printvar (cp, pathname);
|
|
found = 1;
|
|
}
|
|
else if (!a_flag)
|
|
usage (1);
|
|
}
|
|
}
|
|
|
|
if (!a_flag && !found)
|
|
error (EXIT_FAILURE, 0, "Unrecognized variable `%s'", varname);
|
|
|
|
fflush (stdout);
|
|
return ferror (stdout) ? EXIT_FAILURE : EXIT_SUCCESS;
|
|
}
|
|
|