usr/klibc/strtotimex.c

/*
 * strtotimex.c
 *
 * Nonstandard function which takes a string and converts it to a
 * struct timespec/timeval.  Returns a pointer to the first non-numeric
 * character in the string.
 *
 */

#include <ctype.h>
#include <inttypes.h>
#include <stdlib.h>
#include <time.h>
#include <sys/time.h>

char *NAME(const char *str, TIMEX * ts)
{
	int n;
	char *s, *s0;
	__typeof__(ts->FSEC) fs;	/* Fractional seconds */

	ts->tv_sec = strntoumax(str, &s, 10, ~(size_t) 0);
	fs = 0;

	if (*s == '.') {
		s0 = s + 1;

		fs = strntoumax(s0, &s, 10, DECIMALS);
		n = s - s0;

		while (isdigit(*s))
			s++;

		for (; n < DECIMALS; n++)
			fs *= 10;
	}

	ts->FSEC = fs;
	return s;
}