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126 lines
3.9 KiB
C
126 lines
3.9 KiB
C
#if defined (__QNX__)
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#include <unistd.h>
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#if 0
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/*
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* Copyright (c) 1987, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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#if defined(LIBC_SCCS) && !defined(lint)
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/* static char sccsid[] = "from: @(#)getopt.c 8.2 (Berkeley) 4/2/94"; */
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static char *rcsid = "$Id: getopt.c,v 1.2 1998/01/21 22:27:05 billm Exp $";
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#endif /* LIBC_SCCS and not lint */
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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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int opterr = 1, /* if error message should be printed */
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optind = 1, /* index into parent argv vector */
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optopt, /* character checked for validity */
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optreset; /* reset getopt */
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char *optarg; /* argument associated with option */
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#define BADCH (int)'?'
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#define BADARG (int)':'
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#define EMSG ""
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/*
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* getopt --
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* Parse argc/argv argument vector.
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*/
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int
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getopt(nargc, nargv, ostr)
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int nargc;
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char * const *nargv;
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const char *ostr;
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{
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static char *place = EMSG; /* option letter processing */
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char *oli; /* option letter list index */
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if (optreset || !*place) { /* update scanning pointer */
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optreset = 0;
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if (optind >= nargc || *(place = nargv[optind]) != '-') {
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place = EMSG;
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return (-1);
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}
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if (place[1] && *++place == '-') { /* found "--" */
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++optind;
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place = EMSG;
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return (-1);
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}
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} /* option letter okay? */
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if ((optopt = (int)*place++) == (int)':' ||
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!(oli = strchr(ostr, optopt))) {
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/*
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* if the user didn't specify '-' as an option,
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* assume it means -1.
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*/
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if (optopt == (int)'-')
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return (-1);
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if (!*place)
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++optind;
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if (opterr && *ostr != ':')
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(void)fprintf(stderr,
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"%s: illegal option -- %c\n", nargv[0], optopt);
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return (BADCH);
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}
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if (*++oli != ':') { /* don't need argument */
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optarg = NULL;
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if (!*place)
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++optind;
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}
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else { /* need an argument */
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if (*place) /* no white space */
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optarg = place;
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else if (nargc <= ++optind) { /* no arg */
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place = EMSG;
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if (*ostr == ':')
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return (BADARG);
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if (opterr)
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(void)fprintf(stderr,
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"%s: option requires an argument -- %c\n",
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nargv[0], optopt);
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return (BADCH);
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}
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else /* white space */
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optarg = nargv[optind];
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place = EMSG;
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++optind;
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}
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return (optopt); /* dump back option letter */
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}
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#endif
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#else
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#include <getopt.h>
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#endif
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