cc610a3c94
attributes against a user-specified timestamp (rather than the attributes of a reference file). Update the parse routines so they have access to the name of the option being parsed. This enables accurate error reporting for "aliases" of primaries. Now that aliases work, introduce some aliases for consistency with Gnu findutils.
195 lines
6.1 KiB
C
195 lines
6.1 KiB
C
/* $NetBSD: option.c,v 1.27 2016/06/13 00:04:40 pgoyette Exp $ */
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/*-
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* Copyright (c) 1990, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Cimarron D. Taylor of the University of California, Berkeley.
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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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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "from: @(#)option.c 8.2 (Berkeley) 4/16/94";
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#else
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__RCSID("$NetBSD: option.c,v 1.27 2016/06/13 00:04:40 pgoyette Exp $");
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#endif
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <fts.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "find.h"
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int typecompare(const void *, const void *);
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static OPTION *option(char *);
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/* NB: the following table must be sorted lexically. */
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static OPTION const options[] = {
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{ "!", N_NOT, c_not, 0 },
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{ "(", N_OPENPAREN, c_openparen, 0 },
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{ ")", N_CLOSEPAREN, c_closeparen, 0 },
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{ "-a", N_AND, c_null, 0 },
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{ "-amin", N_AMIN, c_amin, 1 },
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{ "-and", N_AND, c_null, 0 },
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{ "-anewer", N_ANEWER, c_anewer, 1 },
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{ "-asince", N_ASINCE, c_asince, 1 },
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{ "-atime", N_ATIME, c_atime, 1 },
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{ "-cmin", N_CMIN, c_cmin, 1 },
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{ "-cnewer", N_CNEWER, c_cnewer, 1 },
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{ "-csince", N_CSINCE, c_csince, 1 },
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{ "-ctime", N_CTIME, c_ctime, 1 },
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{ "-delete", N_DELETE, c_delete, 0 },
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{ "-depth", N_DEPTH, c_depth, 0 },
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{ "-empty", N_EMPTY, c_empty, 0 },
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{ "-exec", N_EXEC, c_exec, 1 },
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{ "-execdir", N_EXECDIR, c_execdir, 1 },
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{ "-exit", N_EXIT, c_exit, 0 },
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{ "-false", N_FALSE, c_false, 0 },
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{ "-flags", N_FLAGS, c_flags, 1 },
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{ "-follow", N_FOLLOW, c_follow, 0 },
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{ "-fprint", N_FPRINT, c_fprint, 1 },
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{ "-fstype", N_FSTYPE, c_fstype, 1 },
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{ "-group", N_GROUP, c_group, 1 },
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{ "-iname", N_INAME, c_iname, 1 },
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{ "-inum", N_INUM, c_inum, 1 },
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{ "-iregex", N_IREGEX, c_iregex, 1 },
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{ "-links", N_LINKS, c_links, 1 },
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{ "-ls", N_LS, c_ls, 0 },
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{ "-maxdepth", N_MAXDEPTH, c_maxdepth, 1 },
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{ "-mindepth", N_MINDEPTH, c_mindepth, 1 },
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{ "-mmin", N_MMIN, c_mmin, 1 },
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{ "-mtime", N_MTIME, c_mtime, 1 },
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{ "-name", N_NAME, c_name, 1 },
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{ "-newer", N_NEWER, c_newer, 1 },
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/* Aliases for compatability with Gnu findutils */
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{ "-neweraa", N_ANEWER, c_anewer, 1 },
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{ "-newerat", N_ASINCE, c_asince, 1 },
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{ "-newercc", N_CNEWER, c_cnewer, 1 },
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{ "-newerct", N_CSINCE, c_csince, 1 },
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{ "-newermm", N_NEWER, c_newer, 1 },
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{ "-newermt", N_SINCE, c_since, 1 },
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/*
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* Unimplemented Gnu findutils options
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*
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* If you implement any of these, be sure to re-sort the table
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* in ascii(7) order!
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*
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{ "-newerBB", N_UNIMPL, c_unimpl, 1 },
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{ "-newerBa", N_UNIMPL, c_unimpl, 1 },
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{ "-newerBc", N_UNIMPL, c_unimpl, 1 },
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{ "-newerBm", N_UNIMPL, c_unimpl, 1 },
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{ "-newerBt", N_UNIMPL, c_unimpl, 1 },
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{ "-neweraB", N_UNIMPL, c_unimpl, 1 },
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{ "-newerac", N_UNIMPL, c_unimpl, 1 },
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{ "-neweram", N_UNIMPL, c_unimpl, 1 },
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{ "-newerca", N_UNIMPL, c_unimpl, 1 },
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{ "-newercm", N_UNIMPL, c_unimpl, 1 },
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{ "-newercB", N_UNIMPL, c_unimpl, 1 },
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{ "-newermB", N_UNIMPL, c_unimpl, 1 },
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{ "-newerma", N_UNIMPL, c_unimpl, 1 },
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{ "-newermc", N_UNIMPL, c_unimpl, 1 },
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*
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*/
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{ "-nogroup", N_NOGROUP, c_nogroup, 0 },
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{ "-nouser", N_NOUSER, c_nouser, 0 },
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{ "-o", N_OR, c_or, 0 },
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{ "-ok", N_OK, c_exec, 1 },
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{ "-or", N_OR, c_or, 0 },
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{ "-path", N_PATH, c_path, 1 },
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{ "-perm", N_PERM, c_perm, 1 },
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{ "-print", N_PRINT, c_print, 0 },
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{ "-print0", N_PRINT0, c_print0, 0 },
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{ "-printx", N_PRINTX, c_printx, 0 },
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{ "-prune", N_PRUNE, c_prune, 0 },
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{ "-regex", N_REGEX, c_regex, 1 },
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{ "-rm", N_DELETE, c_delete, 0 },
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{ "-since", N_SINCE, c_since, 1 },
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{ "-size", N_SIZE, c_size, 1 },
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{ "-type", N_TYPE, c_type, 1 },
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{ "-user", N_USER, c_user, 1 },
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{ "-xdev", N_XDEV, c_xdev, 0 }
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};
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/*
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* find_create --
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* create a node corresponding to a command line argument.
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*
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* TODO:
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* add create/process function pointers to node, so we can skip
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* this switch stuff.
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*/
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PLAN *
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find_create(char ***argvp)
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{
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OPTION *p;
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PLAN *new;
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char **argv;
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char *opt;
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argv = *argvp;
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opt = *argv;
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if ((p = option(opt)) == NULL)
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errx(1, "%s: unknown option", opt);
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++argv;
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if (p->arg && !*argv)
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errx(1, "%s: requires additional arguments", opt);
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new = (p->create)(&argv, p->token == N_OK, opt);
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*argvp = argv;
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return (new);
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}
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static OPTION *
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option(char *name)
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{
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OPTION tmp;
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tmp.name = name;
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return ((OPTION *)bsearch(&tmp, options,
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sizeof(options)/sizeof(OPTION), sizeof(OPTION), typecompare));
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}
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int
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typecompare(const void *a, const void *b)
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{
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return (strcmp(((const OPTION *)a)->name, ((const OPTION *)b)->name));
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}
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