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/*
* Option parsing
*
* SPDX-License-Identifier: MIT
*/
#include "optparse.h"
#include "wayback_log.h"
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int optind = 0, optpos = 0;
int optparse(int argc, char *argv[], const struct optcmd opts[], uint32_t optlen)
{
optpos++;
if (optpos >= argc || !argv[optpos]) {
return -1;
}
for (uint32_t i = 0; i < optlen; i++) {
if (strcmp(argv[optpos], opts[i].name) == 0) {
if ((opts[i].req_operand) && (((optpos + 1) >= argc || !argv[optpos + 1]))) {
wayback_log(LOG_ERROR, "Option %s requires operand", argv[optpos]);
exit(EXIT_FAILURE);
} else if (opts[i].ignore == true) {
wayback_log(LOG_WARN, "Option %s ignored", argv[optpos]);
}
if (opts[i].req_operand) {
optind++;
optpos++;
}
optind++;
break;
}
}
return optpos;
}
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