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[common] fix getopt license to be compatible
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vendor/getopt/README.txt
vendored
2
vendor/getopt/README.txt
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@ -1 +1 @@
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This source comes from: https://gist.github.com/superwills/5815344
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This source comes from: https://github.com/Stichting-MINIX-Research-Foundation/minix
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117
vendor/getopt/getopt.c
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117
vendor/getopt/getopt.c
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@ -1,8 +1,8 @@
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#include "getopt.h"
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/* $NetBSD: getopt.c,v 1.29 2014/06/05 22:00:22 christos Exp $ */
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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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* 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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@ -12,11 +12,7 @@
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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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* 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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@ -33,74 +29,101 @@
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* SUCH DAMAGE.
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*/
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#include <string.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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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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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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#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 getopt(int nargc, char * const nargv[], const char *ostr)
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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(int nargc, char * const nargv[], const char *ostr)
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{
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static char *place = EMSG; /* option letter processing */
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const char *oli; /* option letter list index */
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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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if (optreset || *place == 0) { /* update scanning pointer */
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optreset = 0;
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if (optind >= nargc || *(place = nargv[optind]) != '-') {
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place = nargv[optind];
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if (optind >= nargc || *place++ != '-') {
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/* Argument is absent or is not an option */
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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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optopt = *place++;
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if (optopt == '-' && *place == 0) {
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/* "--" => end of options */
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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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if (optopt == 0) {
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/* Solitary '-', treat as a '-' option
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if the program (eg su) is looking for it. */
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place = EMSG;
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if (strchr(ostr, '-') == NULL)
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return -1;
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optopt = '-';
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}
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}
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else
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optopt = *place++;
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/* See if option letter is one the caller wanted... */
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if (optopt == ':' || (oli = strchr(ostr, optopt)) == NULL) {
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if (*place == 0)
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++optind;
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if (opterr && *ostr != ':')
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(void)printf("illegal option -- %c\n", optopt);
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(void)fprintf(stderr,
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"unknown option -- %c\n",
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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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/* Does this option need an argument? */
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if (oli[1] != ':') {
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/* don't need argument */
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optarg = NULL;
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if (!*place)
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if (*place == 0)
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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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else {
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/* Option-argument is either the rest of this argument or the
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entire next argument. */
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if (*place)
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optarg = place;
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else if (nargc <= ++optind) { /* no arg */
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else if (oli[2] == ':')
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/*
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* GNU Extension, for optional arguments if the rest of
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* the argument is empty, we return NULL
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*/
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optarg = NULL;
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else if (nargc > ++optind)
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optarg = nargv[optind];
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else {
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/* option-argument absent */
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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)printf("option requires an argument -- %c\n", optopt);
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(void)fprintf(stderr,
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"option requires an argument -- %c\n",
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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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return (optopt); /* return option letter */
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}
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