66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
/*
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* Copyright (C) 2020 Ant Financial Services Group. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*/
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#ifndef __GNUC__
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#include "bh_getopt.h"
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#include <stdio.h>
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#include <string.h>
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char *optarg = NULL;
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int optind = 1;
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int
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getopt(int argc, char *const argv[], const char *optstring)
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{
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static int sp = 1;
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int opt;
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char *p;
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if (sp == 1) {
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if ((optind >= argc) || (argv[optind][0] != '-')
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|| (argv[optind][1] == 0)) {
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return -1;
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}
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else if (!strcmp(argv[optind], "--")) {
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optind++;
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return -1;
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}
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}
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opt = argv[optind][sp];
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p = strchr(optstring, opt);
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if (opt == ':' || p == NULL) {
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printf("illegal option : '-%c'\n", opt);
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if (argv[optind][++sp] == '\0') {
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optind++;
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sp = 1;
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}
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return ('?');
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}
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if (p[1] == ':') {
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if (argv[optind][sp + 1] != '\0')
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optarg = &argv[optind++][sp + 1];
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else if (++optind >= argc) {
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printf("option '-%c' requires an argument :\n", opt);
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sp = 1;
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return ('?');
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}
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else {
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optarg = argv[optind++];
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}
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sp = 1;
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}
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else {
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if (argv[optind][++sp] == '\0') {
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sp = 1;
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optind++;
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}
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optarg = NULL;
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}
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return (opt);
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}
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#endif
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