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#include "stdio_impl.h"
#include <wchar.h>
#include <limits.h>
#include <ctype.h>
wint_t __fputwc_unlocked(wchar_t c, FILE *f)
{
char mbc[MB_LEN_MAX];
int l;
#if 0 // XXX EMSCRIPTEN
f->mode |= f->mode+1;
if (isascii(c)) {
c = putc_unlocked(c, f);
} else if (f->wpos + MB_LEN_MAX < f->wend) {
l = wctomb((void *)f->wpos, c);
if (l < 0) c = WEOF;
else f->wpos += l;
} else {
l = wctomb(mbc, c);
if (l < 0 || __fwritex((void *)mbc, l, f) < l) c = WEOF;
}
return c;
#else
if (isascii(c)) {
c = fputc(c, f);
} else {
l = wctomb(mbc, c);
if (l < 0) c = WEOF;
else {
for (int i = 0; i < l; i++) {
if (fputc(mbc[i], f) == EOF) {
c = WEOF;
break;
}
}
}
}
#endif
return c;
}
wint_t fputwc(wchar_t c, FILE *f)
{
FLOCK(f);
c = __fputwc_unlocked(c, f);
FUNLOCK(f);
return c;
}
weak_alias(__fputwc_unlocked, fputwc_unlocked);
weak_alias(__fputwc_unlocked, putwc_unlocked);
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