musl: store get{conf,ent} sources in the repo; import NetBSD manpages.
This commit is contained in:
Juan RP
parent
20d3a5b133
commit
c4f5042699
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@ -0,0 +1,94 @@
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.\" $NetBSD: getconf.1,v 1.13 2014/04/13 01:45:34 snj Exp $
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.\"
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.\" Copyright (c) 1996 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
|
||||
.\" 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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.Dd August 9, 2011
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.Dt GETCONF 1
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.Os
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.Sh NAME
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.Nm getconf
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.Nd get configuration values
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.Sh SYNOPSIS
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.Nm
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.Ar system_var
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.Nm
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.Fl a
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.Nm
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.Ar path_var
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.Ar pathname
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.Nm
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.Fl a
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.Ar pathname
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.Sh DESCRIPTION
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The
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.Nm
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utility writes the current value of a configurable system limit or
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option variable to the standard output.
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.Pp
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The
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.Ar system_var
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argument specifies the system variable to be queried.
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The names of the system variables are from
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.Xr sysconf 3
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with the leading
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.Dq Li _SC_
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removed.
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.Pp
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The
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.Ar path_var
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argument specifies the pathname variable to be queried for the specified
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.Ar pathname
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argument.
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The names of the pathname variables are from
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.Xr pathconf 2
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with the leading
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.Dq Li _PC_
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removed.
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.Pp
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When invoked with the option
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.Fl a ,
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.Nm
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writes a list of all applicable variables and their values to the
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standard output, in the format
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.Do
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.Va name
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=
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.Va value
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.Dc .
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.Sh EXIT STATUS
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.Ex -std
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.Sh SEE ALSO
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.Xr pathconf 2 ,
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.Xr confstr 3 ,
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.Xr limits 3 ,
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.Xr sysconf 3
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.Sh STANDARDS
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The
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.Nm
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utility conforms to
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.St -p1003.2-92 .
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@ -0,0 +1,338 @@
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/*-
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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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* Mostly rewritten to be used in Alpine Linux (with musl c-library)
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* by Timo Teräs.
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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 <err.h>
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#include <errno.h>
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#include <values.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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struct conf_variable {
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const char *name;
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enum { SYSCONF, CONFSTR, PATHCONF, CONSTANT, UCONSTANT, NUM_TYPES } type;
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long value;
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};
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static const struct conf_variable conf_table[] = {
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{ "PATH", CONFSTR, _CS_PATH },
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/* Utility Limit Minimum Values */
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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_NEST_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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{ "POSIX2_VERSION", CONSTANT, _POSIX2_VERSION },
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/* POSIX.1 Minimum Values */
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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_LINK_MAX", CONSTANT, _POSIX_LINK_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_SSIZE_MAX", CONSTANT, _POSIX_SSIZE_MAX },
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{ "_POSIX_STREAM_MAX", CONSTANT, _POSIX_STREAM_MAX },
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{ "_POSIX_TZNAME_MAX", CONSTANT, _POSIX_TZNAME_MAX },
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/* Symbolic Utility Limits */
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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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{ "COLL_WEIGHTS_MAX", SYSCONF, _SC_COLL_WEIGHTS_MAX },
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{ "EXPR_NEST_MAX", SYSCONF, _SC_EXPR_NEST_MAX },
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{ "LINE_MAX", SYSCONF, _SC_LINE_MAX },
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{ "RE_DUP_MAX", SYSCONF, _SC_RE_DUP_MAX },
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/* Optional Facility Configuration Values */
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{ "_POSIX2_C_BIND", SYSCONF, _SC_2_C_BIND },
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{ "POSIX2_C_DEV", SYSCONF, _SC_2_C_DEV },
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{ "POSIX2_CHAR_TERM", SYSCONF, _SC_2_CHAR_TERM },
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{ "POSIX2_FORT_DEV", SYSCONF, _SC_2_FORT_DEV },
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{ "POSIX2_FORT_RUN", SYSCONF, _SC_2_FORT_RUN },
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{ "POSIX2_LOCALEDEF", SYSCONF, _SC_2_LOCALEDEF },
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{ "POSIX2_SW_DEV", SYSCONF, _SC_2_SW_DEV },
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{ "POSIX2_UPE", SYSCONF, _SC_2_UPE },
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/* POSIX.1 Configurable System Variables */
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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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{ "ARG_MAX", SYSCONF, _SC_ARG_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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{ "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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{ "STREAM_MAX", SYSCONF, _SC_STREAM_MAX },
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{ "TZNAME_MAX", SYSCONF, _SC_TZNAME_MAX },
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{ "_POSIX_JOB_CONTROL", SYSCONF, _SC_JOB_CONTROL },
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{ "_POSIX_SAVED_IDS", SYSCONF, _SC_SAVED_IDS },
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{ "_POSIX_VERSION", SYSCONF, _SC_VERSION },
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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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{ "_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.1b Configurable System Variables */
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{ "PAGESIZE", SYSCONF, _SC_PAGESIZE },
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{ "_POSIX_ASYNCHRONOUS_IO", SYSCONF, _SC_ASYNCHRONOUS_IO },
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{ "_POSIX_FSYNC", SYSCONF, _SC_FSYNC },
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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_PRIORITY_SCHEDULING", SYSCONF, _SC_PRIORITY_SCHEDULING },
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{ "_POSIX_SEMAPHORES", SYSCONF, _SC_SEMAPHORES },
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{ "_POSIX_SHARED_MEMORY_OBJECTS", SYSCONF, _SC_SHARED_MEMORY_OBJECTS },
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{ "_POSIX_SYNCHRONIZED_IO", SYSCONF, _SC_SYNCHRONIZED_IO },
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{ "_POSIX_TIMERS", SYSCONF, _SC_TIMERS },
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{ "_POSIX_SYNC_IO", PATHCONF, _PC_SYNC_IO },
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/* POSIX.1c Configurable System Variables */
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{ "LOGIN_NAME_MAX", SYSCONF, _SC_LOGIN_NAME_MAX },
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{ "_POSIX_THREADS", SYSCONF, _SC_THREADS },
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/* POSIX.1j Configurable System Variables */
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{ "_POSIX_BARRIERS", SYSCONF, _SC_BARRIERS },
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{ "_POSIX_READER_WRITER_LOCKS", SYSCONF, _SC_READER_WRITER_LOCKS },
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{ "_POSIX_SPIN_LOCKS", SYSCONF, _SC_SPIN_LOCKS },
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/* XPG4.2 Configurable System Variables */
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{ "IOV_MAX", SYSCONF, _SC_IOV_MAX },
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{ "PAGE_SIZE", SYSCONF, _SC_PAGE_SIZE },
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{ "_XOPEN_SHM", SYSCONF, _SC_XOPEN_SHM },
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/* X/Open CAE Spec. Issue 5 Version 2 Configurable System Variables */
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{ "FILESIZEBITS", PATHCONF, _PC_FILESIZEBITS },
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/* POSIX.1-2001 XSI Option Group Configurable System Variables */
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{ "ATEXIT_MAX", SYSCONF, _SC_ATEXIT_MAX },
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/* POSIX.1-2001 TSF Configurable System Variables */
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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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/* Commonly provided extensions */
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{ "_PHYS_PAGES", SYSCONF, _SC_PHYS_PAGES },
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{ "_AVPHYS_PAGES", SYSCONF, _SC_AVPHYS_PAGES },
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{ "_NPROCESSORS_CONF", SYSCONF, _SC_NPROCESSORS_CONF },
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{ "_NPROCESSORS_ONLN", SYSCONF, _SC_NPROCESSORS_ONLN },
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/* Data type related extensions */
|
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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 },
|
||||
{ "INT_MIN", CONSTANT, INT_MIN },
|
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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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{ "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", UCONSTANT, (long) UCHAR_MAX },
|
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{ "UINT_MAX", UCONSTANT, (long) UINT_MAX },
|
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{ "ULONG_MAX", UCONSTANT, (long) ULONG_MAX },
|
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{ "USHRT_MAX", UCONSTANT, (long) USHRT_MAX },
|
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{ "WORD_BIT", CONSTANT, WORD_BIT },
|
||||
|
||||
{ NULL, CONSTANT, 0L }
|
||||
};
|
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|
||||
static int all = 0;
|
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|
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static void usage(const char *p)
|
||||
{
|
||||
(void)fprintf(stderr, "Usage: %s system_var\n\t%s -a\n"
|
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"\t%s path_var pathname\n\t%s -a pathname\n", p, p, p, p);
|
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exit(EXIT_FAILURE);
|
||||
}
|
||||
|
||||
static void print_long(const char *name, long val)
|
||||
{
|
||||
if (all) printf("%s = %ld\n", name, val);
|
||||
else printf("%ld\n", val);
|
||||
}
|
||||
|
||||
static void print_ulong(const char *name, unsigned long val)
|
||||
{
|
||||
if (all) printf("%s = %lu\n", name, val);
|
||||
else printf("%lu\n", val);
|
||||
}
|
||||
|
||||
static void print_string(const char *name, const char *val)
|
||||
{
|
||||
if (all) printf("%s = %s\n", name, val);
|
||||
else printf("%s\n", val);
|
||||
}
|
||||
|
||||
static int print_constant(const struct conf_variable *cp, const char *pathname)
|
||||
{
|
||||
print_long(cp->name, cp->value);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int print_uconstant(const struct conf_variable *cp, const char *pathname)
|
||||
{
|
||||
print_ulong(cp->name, (unsigned long) cp->value);
|
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return 0;
|
||||
}
|
||||
|
||||
static int print_sysconf(const struct conf_variable *cp, const char *pathname)
|
||||
{
|
||||
long val;
|
||||
|
||||
errno = 0;
|
||||
if ((val = sysconf((int)cp->value)) == -1) {
|
||||
if (errno != 0) err(EXIT_FAILURE, "sysconf(%ld)", cp->value);
|
||||
return -1;
|
||||
}
|
||||
print_long(cp->name, val);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int print_confstr(const struct conf_variable *cp, const char *pathname)
|
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{
|
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size_t len;
|
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char *val;
|
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|
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errno = 0;
|
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if ((len = confstr((int)cp->value, NULL, 0)) == 0) goto error;
|
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if ((val = malloc(len)) == NULL) err(EXIT_FAILURE, "Can't allocate %zu bytes", len);
|
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errno = 0;
|
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if (confstr((int)cp->value, val, len) == 0) goto error;
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print_string(cp->name, val);
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free(val);
|
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return 0;
|
||||
error:
|
||||
if (errno != EINVAL) err(EXIT_FAILURE, "confstr(%ld)", cp->value);
|
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return -1;
|
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}
|
||||
|
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static int print_pathconf(const struct conf_variable *cp, const char *pathname)
|
||||
{
|
||||
long val;
|
||||
|
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errno = 0;
|
||||
if ((val = pathconf(pathname, (int)cp->value)) == -1) {
|
||||
if (all && errno == EINVAL) return 0;
|
||||
if (errno != 0) err(EXIT_FAILURE, "pathconf(%s, %ld)", pathname, cp->value);
|
||||
return -1;
|
||||
}
|
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print_long(cp->name, val);
|
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return 0;
|
||||
}
|
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|
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typedef int (*handler_t)(const struct conf_variable *cp, const char *pathname);
|
||||
static const handler_t type_handlers[NUM_TYPES] = {
|
||||
[SYSCONF] = print_sysconf,
|
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[CONFSTR] = print_confstr,
|
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[PATHCONF] = print_pathconf,
|
||||
[CONSTANT] = print_constant,
|
||||
[UCONSTANT] = print_uconstant,
|
||||
};
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
const char *progname = argv[0];
|
||||
const struct conf_variable *cp;
|
||||
const char *varname, *pathname;
|
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int ch, found = 0;
|
||||
|
||||
(void)setlocale(LC_ALL, "");
|
||||
while ((ch = getopt(argc, argv, "a")) != -1) {
|
||||
switch (ch) {
|
||||
case 'a':
|
||||
all = 1;
|
||||
break;
|
||||
case '?':
|
||||
default:
|
||||
usage(progname);
|
||||
}
|
||||
}
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
|
||||
if (!all) {
|
||||
if (argc == 0)
|
||||
usage(progname);
|
||||
varname = argv[0];
|
||||
argc--;
|
||||
argv++;
|
||||
} else
|
||||
varname = NULL;
|
||||
|
||||
if (argc > 1)
|
||||
usage(progname);
|
||||
pathname = argv[0]; /* may be NULL */
|
||||
|
||||
for (cp = conf_table; cp->name != NULL; cp++) {
|
||||
if (!all && strcmp(varname, cp->name) != 0) continue;
|
||||
if ((cp->type == PATHCONF) == (pathname != NULL)) {
|
||||
if (type_handlers[cp->type](cp, pathname) < 0)
|
||||
print_string(cp->name, "undefined");
|
||||
found = 1;
|
||||
} else if (!all)
|
||||
errx(EXIT_FAILURE, "%s: invalid variable type", cp->name);
|
||||
}
|
||||
if (!all && !found) errx(EXIT_FAILURE, "%s: unknown variable", varname);
|
||||
(void)fflush(stdout);
|
||||
return ferror(stdout) ? EXIT_FAILURE : EXIT_SUCCESS;
|
||||
}
|
||||
|
|
@ -0,0 +1,145 @@
|
|||
.\" $NetBSD: getent.1,v 1.23 2011/10/11 20:39:40 wiz Exp $
|
||||
.\"
|
||||
.\" Copyright (c) 2004 The NetBSD Foundation, Inc.
|
||||
.\" All rights reserved.
|
||||
.\"
|
||||
.\" This code is derived from software contributed to The NetBSD Foundation
|
||||
.\" by Luke Mewburn.
|
||||
.\"
|
||||
.\" Redistribution and use in source and binary forms, with or without
|
||||
.\" modification, are permitted provided that the following conditions
|
||||
.\" are met:
|
||||
.\" 1. Redistributions of source code must retain the above copyright
|
||||
.\" notice, this list of conditions and the following disclaimer.
|
||||
.\" 2. Redistributions in binary form must reproduce the above copyright
|
||||
.\" notice, this list of conditions and the following disclaimer in the
|
||||
.\" documentation and/or other materials provided with the distribution.
|
||||
.\"
|
||||
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
.\" POSSIBILITY OF SUCH DAMAGE.
|
||||
.\"
|
||||
.Dd October 11, 2011
|
||||
.Dt GETENT 1
|
||||
.Os
|
||||
.Sh NAME
|
||||
.Nm getent
|
||||
.Nd get entries from administrative databases
|
||||
.Sh SYNOPSIS
|
||||
.Nm getent
|
||||
.Ar database
|
||||
.Op Ar key ...
|
||||
.Nm getcap
|
||||
.Ar database
|
||||
.Op Ar key ...
|
||||
.Sh DESCRIPTION
|
||||
The
|
||||
.Nm
|
||||
program retrieves and displays entries from the administrative
|
||||
database specified by
|
||||
.Ar database ,
|
||||
using the lookup order specified in
|
||||
.Xr nsswitch.conf 5 .
|
||||
The display format for a given
|
||||
.Ar database
|
||||
is as per the
|
||||
.Dq traditional
|
||||
file format for that database.
|
||||
.Pp
|
||||
.Ar database
|
||||
may be one of:
|
||||
.Bl -column "protocols" "user:passwd:uid:gid:gecos:home_dir:shell" -offset indent -compact
|
||||
.It Sy Database Ta Sy Display format
|
||||
.It disktab Ta entry
|
||||
.It ethers Ta address name
|
||||
.It gettytab Ta entry
|
||||
.It group Ta group:passwd:gid:[member[,member]...]
|
||||
.It hosts Ta address name [alias ...]
|
||||
.It netgroup Ta (host,user,domain) [...]
|
||||
.It networks Ta name network [alias ...]
|
||||
.It passwd Ta user:passwd:uid:gid:gecos:home_dir:shell
|
||||
.It printcap Ta entry
|
||||
.It protocols Ta name protocol [alias ...]
|
||||
.It rpc Ta name number [alias ...]
|
||||
.It services Ta name port/protocol [alias ...]
|
||||
.It shells Ta /path/to/shell
|
||||
.El
|
||||
.Pp
|
||||
If one or more
|
||||
.Ar key
|
||||
arguments are provided, they will be looked up in
|
||||
.Ar database
|
||||
using the appropriate function.
|
||||
For example,
|
||||
.Sy passwd
|
||||
supports a numeric UID or user name;
|
||||
.Sy hosts
|
||||
supports an IPv4 address, IPv6 address, or host name;
|
||||
and
|
||||
.Sy services
|
||||
supports a service name, service name/protocol name, numeric port, or
|
||||
numeric port/protocol name.
|
||||
.Pp
|
||||
If no
|
||||
.Ar key
|
||||
is provided and
|
||||
.Ar database
|
||||
supports enumeration, all entries for
|
||||
.Ar database
|
||||
will be retrieved using the appropriate enumeration function and printed.
|
||||
.Pp
|
||||
For
|
||||
.Xr cgetcap 3
|
||||
style databases
|
||||
.Sy ( disktab ,
|
||||
.Sy printcap )
|
||||
specifying a key, lists the entry for that key, and specifying more arguments
|
||||
after the key are used as fields in that key, and only the values of the keys
|
||||
are returned.
|
||||
For boolean keys
|
||||
.Dv true
|
||||
is returned if the key is found.
|
||||
If a key is not found, then
|
||||
.Dv false
|
||||
is always
|
||||
returned.
|
||||
.Sh DIAGNOSTICS
|
||||
.Nm
|
||||
exits 0 on success,
|
||||
1 if there was an error in the command syntax,
|
||||
2 if one of the specified key names was not found in
|
||||
.Ar database ,
|
||||
or 3 if there is no support for enumeration on
|
||||
.Ar database .
|
||||
.Sh SEE ALSO
|
||||
.Xr cgetcap 3 ,
|
||||
.Xr disktab 5 ,
|
||||
.Xr ethers 5 ,
|
||||
.Xr gettytab 5 ,
|
||||
.Xr group 5 ,
|
||||
.Xr hosts 5 ,
|
||||
.Xr networks 5 ,
|
||||
.Xr nsswitch.conf 5 ,
|
||||
.Xr passwd 5 ,
|
||||
.Xr printcap 5 ,
|
||||
.Xr protocols 5 ,
|
||||
.Xr rpc 5 ,
|
||||
.Xr services 5 ,
|
||||
.Xr shells 5
|
||||
.Sh HISTORY
|
||||
A
|
||||
.Nm
|
||||
command appeared in
|
||||
.Nx 3.0 .
|
||||
It was based on the command of the same name in
|
||||
.Tn Solaris
|
||||
and
|
||||
.Tn Linux .
|
||||
|
|
@ -0,0 +1,437 @@
|
|||
/*-
|
||||
* Copyright (c) 2004-2006 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Luke Mewburn.
|
||||
* Timo Teräs cleaned up the code for use in Alpine Linux with musl libc.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <sys/socket.h>
|
||||
#include <sys/param.h>
|
||||
#include <ctype.h>
|
||||
#include <errno.h>
|
||||
#include <limits.h>
|
||||
#include <netdb.h>
|
||||
#include <pwd.h>
|
||||
#include <grp.h>
|
||||
#include <stdio.h>
|
||||
#include <stdarg.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <paths.h>
|
||||
#include <err.h>
|
||||
|
||||
#include <arpa/inet.h>
|
||||
#include <arpa/nameser.h>
|
||||
|
||||
#include <net/if.h>
|
||||
#include <net/ethernet.h>
|
||||
#include <netinet/ether.h>
|
||||
#include <netinet/in.h>
|
||||
|
||||
enum {
|
||||
RV_OK = 0,
|
||||
RV_USAGE = 1,
|
||||
RV_NOTFOUND = 2,
|
||||
RV_NOENUM = 3
|
||||
};
|
||||
|
||||
static int usage(const char *);
|
||||
|
||||
static int parsenum(const char *word, unsigned long *result)
|
||||
{
|
||||
unsigned long num;
|
||||
char *ep;
|
||||
|
||||
if (!isdigit((unsigned char)word[0]))
|
||||
return 0;
|
||||
errno = 0;
|
||||
num = strtoul(word, &ep, 10);
|
||||
if (num == ULONG_MAX && errno == ERANGE)
|
||||
return 0;
|
||||
if (*ep != '\0')
|
||||
return 0;
|
||||
*result = num;
|
||||
return 1;
|
||||
}
|
||||
|
||||
/*
|
||||
* printfmtstrings --
|
||||
* vprintf(format, ...),
|
||||
* then the aliases (beginning with prefix, separated by sep),
|
||||
* then a newline
|
||||
*/
|
||||
__attribute__ ((format (printf, 4, 5)))
|
||||
static void printfmtstrings(char *strings[], const char *prefix, const char *sep,
|
||||
const char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
const char *curpref;
|
||||
size_t i;
|
||||
|
||||
va_start(ap, fmt);
|
||||
(void)vprintf(fmt, ap);
|
||||
va_end(ap);
|
||||
|
||||
curpref = prefix;
|
||||
for (i = 0; strings[i] != NULL; i++) {
|
||||
(void)printf("%s%s", curpref, strings[i]);
|
||||
curpref = sep;
|
||||
}
|
||||
(void)printf("\n");
|
||||
}
|
||||
|
||||
static int ethers(int argc, char *argv[])
|
||||
{
|
||||
char hostname[MAXHOSTNAMELEN + 1], *hp;
|
||||
struct ether_addr ea, *eap;
|
||||
int i, rv;
|
||||
|
||||
if (argc == 2) {
|
||||
warnx("Enumeration not supported on ethers");
|
||||
return RV_NOENUM;
|
||||
}
|
||||
|
||||
rv = RV_OK;
|
||||
for (i = 2; i < argc; i++) {
|
||||
if ((eap = ether_aton(argv[i])) == NULL) {
|
||||
eap = &ea;
|
||||
hp = argv[i];
|
||||
if (ether_hostton(hp, eap) != 0) {
|
||||
rv = RV_NOTFOUND;
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
hp = hostname;
|
||||
if (ether_ntohost(hp, eap) != 0) {
|
||||
rv = RV_NOTFOUND;
|
||||
break;
|
||||
}
|
||||
}
|
||||
(void)printf("%-17s %s\n", ether_ntoa(eap), hp);
|
||||
}
|
||||
return rv;
|
||||
}
|
||||
|
||||
static void groupprint(const struct group *gr)
|
||||
{
|
||||
printfmtstrings(gr->gr_mem, ":", ",", "%s:%s:%u",
|
||||
gr->gr_name, gr->gr_passwd, gr->gr_gid);
|
||||
}
|
||||
|
||||
static int group(int argc, char *argv[])
|
||||
{
|
||||
struct group *gr;
|
||||
unsigned long id;
|
||||
int i, rv;
|
||||
|
||||
rv = RV_OK;
|
||||
if (argc == 2) {
|
||||
while ((gr = getgrent()) != NULL)
|
||||
groupprint(gr);
|
||||
} else {
|
||||
for (i = 2; i < argc; i++) {
|
||||
if (parsenum(argv[i], &id))
|
||||
gr = getgrgid((gid_t)id);
|
||||
else
|
||||
gr = getgrnam(argv[i]);
|
||||
if (gr == NULL) {
|
||||
rv = RV_NOTFOUND;
|
||||
break;
|
||||
}
|
||||
groupprint(gr);
|
||||
}
|
||||
}
|
||||
endgrent();
|
||||
return rv;
|
||||
}
|
||||
|
||||
static void hostsprint(const struct hostent *he)
|
||||
{
|
||||
char buf[INET6_ADDRSTRLEN];
|
||||
|
||||
if (inet_ntop(he->h_addrtype, he->h_addr, buf, sizeof(buf)) == NULL)
|
||||
(void)strlcpy(buf, "# unknown", sizeof(buf));
|
||||
printfmtstrings(he->h_aliases, " ", " ", "%-16s %s", buf, he->h_name);
|
||||
}
|
||||
|
||||
static int hosts(int argc, char *argv[])
|
||||
{
|
||||
struct hostent *he;
|
||||
char addr[IN6ADDRSZ];
|
||||
int i, rv;
|
||||
|
||||
sethostent(1);
|
||||
rv = RV_OK;
|
||||
if (argc == 2) {
|
||||
while ((he = gethostent()) != NULL)
|
||||
hostsprint(he);
|
||||
} else {
|
||||
for (i = 2; i < argc; i++) {
|
||||
if (inet_pton(AF_INET6, argv[i], (void *)addr) > 0)
|
||||
he = gethostbyaddr(addr, IN6ADDRSZ, AF_INET6);
|
||||
else if (inet_pton(AF_INET, argv[i], (void *)addr) > 0)
|
||||
he = gethostbyaddr(addr, INADDRSZ, AF_INET);
|
||||
else
|
||||
he = gethostbyname(argv[i]);
|
||||
if (he == NULL) {
|
||||
rv = RV_NOTFOUND;
|
||||
break;
|
||||
}
|
||||
hostsprint(he);
|
||||
}
|
||||
}
|
||||
endhostent();
|
||||
return rv;
|
||||
}
|
||||
|
||||
static void networksprint(const struct netent *ne)
|
||||
{
|
||||
char buf[INET6_ADDRSTRLEN];
|
||||
struct in_addr ianet;
|
||||
|
||||
ianet = inet_makeaddr(ne->n_net, 0);
|
||||
if (inet_ntop(ne->n_addrtype, &ianet, buf, sizeof(buf)) == NULL)
|
||||
(void)strlcpy(buf, "# unknown", sizeof(buf));
|
||||
printfmtstrings(ne->n_aliases, " ", " ", "%-16s %s", ne->n_name, buf);
|
||||
}
|
||||
|
||||
static int networks(int argc, char *argv[])
|
||||
{
|
||||
struct netent *ne;
|
||||
in_addr_t net;
|
||||
int i, rv;
|
||||
|
||||
setnetent(1);
|
||||
rv = RV_OK;
|
||||
if (argc == 2) {
|
||||
while ((ne = getnetent()) != NULL)
|
||||
networksprint(ne);
|
||||
} else {
|
||||
for (i = 2; i < argc; i++) {
|
||||
net = inet_network(argv[i]);
|
||||
if (net != INADDR_NONE)
|
||||
ne = getnetbyaddr(net, AF_INET);
|
||||
else
|
||||
ne = getnetbyname(argv[i]);
|
||||
if (ne != NULL) {
|
||||
rv = RV_NOTFOUND;
|
||||
break;
|
||||
}
|
||||
networksprint(ne);
|
||||
}
|
||||
}
|
||||
endnetent();
|
||||
return rv;
|
||||
}
|
||||
|
||||
static void passwdprint(struct passwd *pw)
|
||||
{
|
||||
(void)printf("%s:%s:%u:%u:%s:%s:%s\n",
|
||||
pw->pw_name, pw->pw_passwd, pw->pw_uid,
|
||||
pw->pw_gid, pw->pw_gecos, pw->pw_dir, pw->pw_shell);
|
||||
}
|
||||
|
||||
static int passwd(int argc, char *argv[])
|
||||
{
|
||||
struct passwd *pw;
|
||||
unsigned long id;
|
||||
int i, rv;
|
||||
|
||||
rv = RV_OK;
|
||||
if (argc == 2) {
|
||||
while ((pw = getpwent()) != NULL)
|
||||
passwdprint(pw);
|
||||
} else {
|
||||
for (i = 2; i < argc; i++) {
|
||||
if (parsenum(argv[i], &id))
|
||||
pw = getpwuid((uid_t)id);
|
||||
else
|
||||
pw = getpwnam(argv[i]);
|
||||
if (pw == NULL) {
|
||||
rv = RV_NOTFOUND;
|
||||
break;
|
||||
}
|
||||
passwdprint(pw);
|
||||
}
|
||||
}
|
||||
endpwent();
|
||||
return rv;
|
||||
}
|
||||
|
||||
static void protocolsprint(struct protoent *pe)
|
||||
{
|
||||
printfmtstrings(pe->p_aliases, " ", " ",
|
||||
"%-16s %5d", pe->p_name, pe->p_proto);
|
||||
}
|
||||
|
||||
static int protocols(int argc, char *argv[])
|
||||
{
|
||||
struct protoent *pe;
|
||||
unsigned long id;
|
||||
int i, rv;
|
||||
|
||||
setprotoent(1);
|
||||
rv = RV_OK;
|
||||
if (argc == 2) {
|
||||
while ((pe = getprotoent()) != NULL)
|
||||
protocolsprint(pe);
|
||||
} else {
|
||||
for (i = 2; i < argc; i++) {
|
||||
if (parsenum(argv[i], &id))
|
||||
pe = getprotobynumber((int)id);
|
||||
else
|
||||
pe = getprotobyname(argv[i]);
|
||||
if (pe == NULL) {
|
||||
rv = RV_NOTFOUND;
|
||||
break;
|
||||
}
|
||||
protocolsprint(pe);
|
||||
}
|
||||
}
|
||||
endprotoent();
|
||||
return rv;
|
||||
}
|
||||
|
||||
static void servicesprint(struct servent *se)
|
||||
{
|
||||
printfmtstrings(se->s_aliases, " ", " ",
|
||||
"%-16s %5d/%s",
|
||||
se->s_name, ntohs(se->s_port), se->s_proto);
|
||||
|
||||
}
|
||||
|
||||
static int services(int argc, char *argv[])
|
||||
{
|
||||
struct servent *se;
|
||||
unsigned long id;
|
||||
char *proto;
|
||||
int i, rv;
|
||||
|
||||
setservent(1);
|
||||
rv = RV_OK;
|
||||
if (argc == 2) {
|
||||
while ((se = getservent()) != NULL)
|
||||
servicesprint(se);
|
||||
} else {
|
||||
for (i = 2; i < argc; i++) {
|
||||
proto = strchr(argv[i], '/');
|
||||
if (proto != NULL)
|
||||
*proto++ = '\0';
|
||||
if (parsenum(argv[i], &id))
|
||||
se = getservbyport(htons(id), proto);
|
||||
else
|
||||
se = getservbyname(argv[i], proto);
|
||||
if (se == NULL) {
|
||||
rv = RV_NOTFOUND;
|
||||
break;
|
||||
}
|
||||
servicesprint(se);
|
||||
}
|
||||
}
|
||||
endservent();
|
||||
return rv;
|
||||
}
|
||||
|
||||
static int shells(int argc, char *argv[])
|
||||
{
|
||||
const char *sh;
|
||||
int i, rv;
|
||||
|
||||
setusershell();
|
||||
rv = RV_OK;
|
||||
if (argc == 2) {
|
||||
while ((sh = getusershell()) != NULL)
|
||||
(void)printf("%s\n", sh);
|
||||
} else {
|
||||
for (i = 2; i < argc; i++) {
|
||||
setusershell();
|
||||
while ((sh = getusershell()) != NULL) {
|
||||
if (strcmp(sh, argv[i]) == 0) {
|
||||
(void)printf("%s\n", sh);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (sh == NULL) {
|
||||
rv = RV_NOTFOUND;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
endusershell();
|
||||
return rv;
|
||||
}
|
||||
|
||||
static struct getentdb {
|
||||
const char *name;
|
||||
int (*callback)(int, char *[]);
|
||||
} databases[] = {
|
||||
{ "ethers", ethers, },
|
||||
{ "group", group, },
|
||||
{ "hosts", hosts, },
|
||||
{ "networks", networks, },
|
||||
{ "passwd", passwd, },
|
||||
{ "protocols", protocols, },
|
||||
{ "services", services, },
|
||||
{ "shells", shells, },
|
||||
|
||||
{ NULL, NULL, },
|
||||
};
|
||||
|
||||
static int usage(const char *arg0)
|
||||
{
|
||||
struct getentdb *curdb;
|
||||
size_t i;
|
||||
|
||||
(void)fprintf(stderr, "Usage: %s database [key ...]\n", arg0);
|
||||
(void)fprintf(stderr, "\tdatabase may be one of:");
|
||||
for (i = 0, curdb = databases; curdb->name != NULL; curdb++, i++) {
|
||||
if (i % 7 == 0)
|
||||
(void)fputs("\n\t\t", stderr);
|
||||
(void)fprintf(stderr, "%s%s", i % 7 == 0 ? "" : " ",
|
||||
curdb->name);
|
||||
}
|
||||
(void)fprintf(stderr, "\n");
|
||||
exit(RV_USAGE);
|
||||
/* NOTREACHED */
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
{
|
||||
struct getentdb *curdb;
|
||||
|
||||
if (argc < 2)
|
||||
usage(argv[0]);
|
||||
for (curdb = databases; curdb->name != NULL; curdb++)
|
||||
if (strcmp(curdb->name, argv[1]) == 0)
|
||||
return (*curdb->callback)(argc, argv);
|
||||
|
||||
warn("Unknown database `%s'", argv[1]);
|
||||
usage(argv[0]);
|
||||
/* NOTREACHED */
|
||||
}
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
#!/bin/sh
|
||||
scan_dirs() {
|
||||
scanelf -qS "$@" | while read SONAME FILE; do
|
||||
TARGET="${FILE##*/}"
|
||||
LINK="${FILE%/*}/$SONAME"
|
||||
case "$FILE" in
|
||||
/lib/*|/usr/lib/*|/usr/local/lib/*) ;;
|
||||
*) [ -h "$LINK" -o ! -e "$LINK" ] && ln -sf "$TARGET" "$LINK"
|
||||
esac
|
||||
done
|
||||
return 0
|
||||
}
|
||||
# eat ldconfig options
|
||||
while getopts "nNvXvf:C:r:" opt; do
|
||||
:
|
||||
done
|
||||
shift $(( $OPTIND - 1 ))
|
||||
[ $# -gt 0 ] && scan_dirs "$@"
|
||||
|
|
@ -1,7 +1,7 @@
|
|||
# Template file for 'musl'.
|
||||
pkgname=musl
|
||||
version=1.1.5
|
||||
revision=5
|
||||
revision=6
|
||||
build_style=gnu-configure
|
||||
configure_args="--prefix=/usr --disable-gcc-wrapper"
|
||||
conflicts="glibc>=0"
|
||||
|
|
@ -16,14 +16,9 @@ only_for_archs="i686-musl x86_64-musl armv6l-musl armv7l-musl"
|
|||
CFLAGS="-fno-stack-protector"
|
||||
|
||||
post_build() {
|
||||
$XBPS_FETCH_CMD http://git.alpinelinux.org/cgit/aports/plain/main/musl/getent.c
|
||||
$XBPS_FETCH_CMD http://git.alpinelinux.org/cgit/aports/plain/main/musl/getconf.c
|
||||
$XBPS_FETCH_CMD http://git.alpinelinux.org/cgit/aports/plain/main/musl/ldconfig
|
||||
|
||||
$CC $CFLAGS $LDFLAGS getent.c -o getent
|
||||
$CC $CFLAGS $LDFLAGS getconf.c -o getconf
|
||||
$CC $CFLAGS $LDFLAGS ${FILESDIR}/getent.c -o getent
|
||||
$CC $CFLAGS $LDFLAGS ${FILESDIR}/getconf.c -o getconf
|
||||
}
|
||||
|
||||
do_install() {
|
||||
# Move everything to /usr.
|
||||
vmkdir usr/lib
|
||||
|
|
@ -33,7 +28,10 @@ do_install() {
|
|||
# provide ldd
|
||||
vmkdir usr/bin
|
||||
ln -s /usr/lib/libc.so ${DESTDIR}/usr/bin/ldd
|
||||
# additional utils from Alpine/NetBSD
|
||||
vbin getent
|
||||
vman ${FILESDIR}/getent.1
|
||||
vbin getconf
|
||||
vbin ldconfig
|
||||
vman ${FILESDIR}/getconf.1
|
||||
vbin ${FILESDIR}/ldconfig
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue