micro-utils/libmu/duration.c

#include <stdlib.h>
#include <string.h>

unsigned long long parse_uint(const char *str) {
	char *p = NULL;

	unsigned long long res = strtoull(str, &p, 0);

	/* Parse suffix */
	if (*p) {
		switch (p[0]) {
			case 'm':
				res *= 60;
				break;

			case 'h':
				res *= 3600;
				break;

			case 'd':
				res *= 86400;
				break;

			case 's':
			default:
				break;
		}
	}

	return res;
}

unsigned long long mu_parse_duration(const char *arg) {
	if (strchr(arg, '.')) {
		/* TODO */
	}

	else {
		/* Sec */
		return parse_uint(arg) * 1000000;
	}

	return 0;
}