Add a small regression test for getopt_long(3).
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ginsbach
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089d34fd42
@ -1,5 +1,5 @@
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# $NetBSD: Makefile,v 1.1 2002/07/15 22:04:00 christos Exp $
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# $NetBSD: Makefile,v 1.2 2007/01/18 16:29:21 ginsbach Exp $
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SUBDIR+= getopt
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SUBDIR+= getopt getopt_long
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.include <bsd.subdir.mk>
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10
regress/lib/libc/stdlib/getopt_long/Makefile
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10
regress/lib/libc/stdlib/getopt_long/Makefile
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# $NetBSD: Makefile,v 1.1 2007/01/18 16:29:21 ginsbach Exp $
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NOMAN= # defined
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PROG= getopt_long
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regress: ${PROG}
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./${PROG} < ${.CURDIR}/opttest
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.include <bsd.prog.mk>
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245
regress/lib/libc/stdlib/getopt_long/getopt_long.c
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245
regress/lib/libc/stdlib/getopt_long/getopt_long.c
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/* $NetBSD: getopt_long.c,v 1.1 2007/01/18 16:29:21 ginsbach Exp $ */
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/*-
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* Copyright (c) 2007 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 Christos Zoulas.
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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 NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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 <getopt.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#define SKIPWS(p) while (isspace(*p)) p++
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#define WS "\t\n "
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int
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main(int argc, char *argv[])
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{
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size_t len, lineno;
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char *line, *eptr, *longopt, *ptr, *optstring = NULL, *result = NULL;
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char buf[1024];
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char *args[128];
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char arg[256];
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int nargs = -1;
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int c;
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int nlongopts, maxnlongopts;
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int *longopt_flags = NULL;
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struct option *longopts = NULL;
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while ((line = fparseln(stdin, &len, &lineno, NULL, 0)) != NULL) {
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fprintf(stderr, "line %ld: %s\n", (unsigned long)lineno, line);
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if (strncmp(line, "optstring:", 10) == 0) {
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if (optstring)
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free(optstring);
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optstring = strtok(&line[11], WS);
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if (optstring == NULL)
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errx(1, "missing optstring at line %ld",
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(unsigned long)lineno);
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optstring = strdup(optstring);
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} else if (strncmp(line, "longopts:", 9) == 0) {
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if (longopts) {
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int i;
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for (i = 0; i < nlongopts; i++)
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if (longopts[i].name != NULL)
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free(__UNCONST(longopts[i].name));
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free(longopts);
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}
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if (longopt_flags)
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free(longopt_flags);
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nlongopts = 0;
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ptr = strtok(&line[10], WS);
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if (ptr == NULL)
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errx(1, "missing longopts at line %ld",
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(unsigned long)lineno);
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maxnlongopts = strtoul(ptr, &eptr, 10);
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if (*eptr != '\0')
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warnx("garbage in longopts at line %ld",
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(unsigned long)lineno);
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maxnlongopts++; /* space for trailer */
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longopts =
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(struct option *)calloc(sizeof(struct option),
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maxnlongopts);
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if (longopts == NULL)
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err(1, "calloc");
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longopt_flags = (int *)calloc(sizeof(int), maxnlongopts);
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if (longopt_flags == NULL)
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err(1, "calloc");
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} else if (strncmp(line, "longopt:", 8) == 0) {
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if (longopts == NULL)
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errx(1, "longopt: without longopts at line %ld",
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(unsigned long)lineno);
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if (nlongopts >= maxnlongopts)
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errx(1, "longopt: too many options at line %ld",
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(unsigned long)lineno);
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/* name */
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ptr = &line[9];
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SKIPWS(ptr);
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longopt = strsep(&ptr, ",");
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if (longopt == NULL)
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errx(1, "missing longopt at line %ld",
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(unsigned long)lineno);
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longopts[nlongopts].name = strdup(longopt);
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/* has_arg */
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SKIPWS(ptr);
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longopt = strsep(&ptr, ",");
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if (*longopt != '\0') {
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if (strncmp(longopt, "0", 1) == 0 ||
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strncmp(longopt, "no_argument", 2) == 0)
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longopts[nlongopts].has_arg = no_argument;
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else if (strncmp(longopt, "1", 1) == 0 ||
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strncmp(longopt, "required_argument", 8) == 0)
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longopts[nlongopts].has_arg = required_argument;
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else if (strncmp(longopt, "2", 1) == 0 ||
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strncmp(longopt, "optional_argument", 8) == 0)
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longopts[nlongopts].has_arg = optional_argument;
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else
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errx(1, "unknown has_arg %s at line %ld",
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longopt, (unsigned long)lineno);
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}
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/* flag */
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SKIPWS(ptr);
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longopt = strsep(&ptr, ",");
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if (*longopt != '\0' &&
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strncmp(longopt, "NULL", 4) != 0)
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longopts[nlongopts].flag = &longopt_flags[nlongopts];
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/* val */
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SKIPWS(ptr);
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longopt = strsep(&ptr, ",");
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if (*longopt == '\0')
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errx(1, "missing val at line %ld",
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(unsigned long)lineno);
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if (*longopt != '\'') {
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longopts[nlongopts].val =
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(int)strtoul(longopt, &eptr, 10);
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if (*eptr != '\0')
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errx(1, "invalid val at line %ld",
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(unsigned long)lineno);
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} else
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longopts[nlongopts].val = (int)longopt[1];
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nlongopts++;
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} else if (strncmp(line, "args:", 5) == 0) {
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for (; nargs >= 0; nargs--) {
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if (args[nargs] != NULL)
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free(args[nargs]);
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}
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args[nargs = 0] = strtok(&line[6], WS);
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if (args[nargs] == NULL)
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errx(1, "Missing args");
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args[nargs] = strdup(args[nargs]);
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while ((args[++nargs] = strtok(NULL, WS)) != NULL)
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args[nargs] = strdup(args[nargs]);
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} else if (strncmp(line, "result:", 7) == 0) {
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int li;
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buf[0] = '\0';
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optind = optreset = 1;
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if (result)
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free(result);
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result = strtok(&line[8], WS);
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if (result == NULL)
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errx(1, "missing result at line %ld",
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(unsigned long)lineno);
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if (optstring == NULL)
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errx(1, "result: without optstring");
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if (longopts == NULL || nlongopts == 0)
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errx(1, "result: without longopts");
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result = strdup(result);
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if (nargs == -1)
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errx(1, "result: without args");
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li = -2;
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while ((c = getopt_long(nargs, args, optstring,
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longopts, &li)) != -1) {
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if (c == ':')
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errx(1, "`:' found as argument char");
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if (li == -2) {
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ptr = strchr(optstring, c);
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if (ptr == NULL) {
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snprintf(arg, sizeof(arg),
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"!%c,", c);
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strcat(buf, arg);
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continue;
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}
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if (ptr[1] != ':')
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snprintf(arg, sizeof(arg),
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"%c,", c);
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else
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snprintf(arg, sizeof(arg),
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"%c=%s,", c, optarg);
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} else {
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switch (longopts[li].has_arg) {
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case no_argument:
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snprintf(arg, sizeof(arg), "-%s,",
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longopts[li].name);
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break;
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case required_argument:
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snprintf(arg, sizeof(arg),
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"-%s=%s,",
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longopts[li].name, optarg);
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break;
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case optional_argument:
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snprintf(arg, sizeof(arg),
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"-%s%s%s,",
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longopts[li].name,
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(optarg)? "=" : "",
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(optarg)? optarg : "");
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break;
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default:
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errx(1, "internal error");
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}
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}
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strcat(buf, arg);
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li = -2;
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}
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len = strlen(buf);
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if (len > 0) {
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buf[len - 1] = '|';
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buf[len] = '\0';
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} else {
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buf[0] = '|';
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buf[1] = '\0';
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}
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snprintf(arg, sizeof(arg), "%d", nargs - optind);
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strcat(buf, arg);
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if (strcmp(buf, result) != 0)
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errx(1, "`%s' != `%s'", buf, result);
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} else
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errx(1, "unknown directive at line %ld",
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(unsigned long)lineno);
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free(line);
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}
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return 0;
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}
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35
regress/lib/libc/stdlib/getopt_long/opttest
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35
regress/lib/libc/stdlib/getopt_long/opttest
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@ -0,0 +1,35 @@
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# $NetBSD: opttest,v 1.1 2007/01/18 16:29:21 ginsbach Exp $
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#
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# GNU libc tests with these
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#
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optstring: abc:
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longopts: 5
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longopt: required, required_argument, , 'r'
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longopt: optional, optional_argument, , 'o'
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longopt: none, no_argument, , 'n'
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longopt: color, no_argument, , 'C'
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longopt: colour, no_argument, , 'C'
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#
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args: foo --req foobar
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result: -required=foobar|0
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#
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args: foo --opt=bazbug
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result: -optional=bazbug|0
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#
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# This is promblematic
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args: foo --col
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# GNU libc 2.1.3 this fails with ambiguous
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result: !?|0
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# GNU libc 2.2 >= this works
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#result: color|0
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#
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args: foo --colour
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result: -colour|0
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#
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# This is the real GNU libc test!
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args: foo -a -b -cfoobar --required foobar --optional=bazbug --none random \
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--col --color --colour
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# GNU libc 2.1.3 this fails with ambiguous
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result: a,b,c=foobar,-required=foobar,-optional=bazbug,-none,!?,-color,-colour|1
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# GNU libc 2.2 >= this works
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#result: a,b,c=foobar,-required=foobar,-optional=bazbug,-none,-color,-color,-colour|1
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