1#include "stdio_impl.h"
2#include "locale_impl.h"
3#include <wchar.h>
4#include <limits.h>
5#include <ctype.h>
6
7wint_t __fputwc_unlocked(wchar_t c, FILE *f)
8{
9	char mbc[MB_LEN_MAX];
10	int l;
11	locale_t *ploc = &CURRENT_LOCALE, loc = *ploc;
12
13	if (f->mode <= 0) fwide(f, 1);
14	*ploc = f->locale;
15
16	if (isascii(c)) {
17		c = putc_unlocked(c, f);
18	} else if (f->wpos + MB_LEN_MAX < f->wend) {
19		l = wctomb((void *)f->wpos, c);
20		if (l < 0) c = WEOF;
21		else f->wpos += l;
22	} else {
23		l = wctomb(mbc, c);
24		if (l < 0 || __fwritex((void *)mbc, l, f) < l) c = WEOF;
25	}
26	if (c==WEOF) f->flags |= F_ERR;
27	*ploc = loc;
28	return c;
29}
30
31wint_t fputwc(wchar_t c, FILE *f)
32{
33	FLOCK(f);
34	c = __fputwc_unlocked(c, f);
35	FUNLOCK(f);
36	return c;
37}
38
39weak_alias(__fputwc_unlocked, fputwc_unlocked);
40weak_alias(__fputwc_unlocked, putwc_unlocked);
41