/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include "utf.h"

int
utftorunestr(const char *s, Rune *p)
{
	int i, n;

	for(i = 0; (n = chartorune(&p[i], s)), p[i] != 0; i++)
		s += n;
	return i;
}

int
fgetrune(Rune *p, FILE *fp)
{
	char buf[UTFmax];
	int c, i = 0;

	do {
		if((c = fgetc(fp)) == EOF)
			break;
		buf[i++] = c;
	} while(!fullrune(buf, i));

	if(i == 0)
		return EOF;

	return charntorune(p, buf, i);
}

int
fputrune(const Rune *p, FILE *fp)
{
	char buf[UTFmax];

	return fwrite(buf, runetochar(buf, p), 1, fp);
}