1#include "stdio_impl.h"
2#include "locale_impl.h"
3
4int fwide(FILE *f, int mode)
5{
6	FLOCK(f);
7	if (mode) {
8		if (!f->locale) f->locale = MB_CUR_MAX==1
9			? C_LOCALE : UTF8_LOCALE;
10		if (!f->mode) f->mode = mode>0 ? 1 : -1;
11	}
12	mode = f->mode;
13	FUNLOCK(f);
14	return mode;
15}
16