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81 lines
1.4 KiB
C
81 lines
1.4 KiB
C
/*
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* Copyright (c) 2024, ArtInChip Technology Co., Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "aic_getopt.h"
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#ifndef KERNEL_RTTHREAD
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int optind = 0;
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char *optarg = NULL;
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void aic_getopt_clr(void)
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{
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optind = 1;
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optarg = NULL;
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}
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int aic_getopt(int argc, char **argv, const char *sopts,
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const struct option *lopts, char *index)
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{
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char *cur_opt = NULL, *tmp = NULL;
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int ret = 0;
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if (argc == 1) {
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aic_getopt_clr();
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return -1;
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}
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if (optind == 0)
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aic_getopt_clr();
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if (optind >= argc || !sopts || !argv[0]) {
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aic_getopt_clr();
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return -1;
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}
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cur_opt = argv[optind++];
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if (!cur_opt) {
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aic_getopt_clr();
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return -1;
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}
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if (cur_opt[0] == '-')
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ret = cur_opt[1];
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else
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return -1;
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if (ret < 'A' || ret > 'z')
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return 0;
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tmp = strchr(sopts, ret);
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if (!tmp)
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return 0;
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if (tmp[1] != ':') {
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/* No argument */
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optarg = NULL;
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return ret;
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}
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/* Need argument */
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if (argc <= optind) {
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aic_getopt_clr();
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return -1;
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}
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if (!argv[optind] || argv[optind][0] == '-') {
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aic_getopt_clr();
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return -1;
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}
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optarg = argv[optind++];
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return ret;
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}
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#endif // end of KERNEL_RTTHREAD
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