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/* Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org>
*
* GNU Library General Public License (LGPL) version 2 or later.
*
* Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details.
*/
#include "_stdio.h"
extern wchar_t *__fgetws_unlocked(wchar_t *__restrict ws, int n,
FILE *__restrict stream) attribute_hidden;
#ifdef __DO_UNLOCKED
wchar_t attribute_hidden *__fgetws_unlocked(wchar_t *__restrict ws, int n,
FILE *__restrict stream)
{
register wchar_t *p = ws;
wint_t wi;
__STDIO_STREAM_VALIDATE(stream);
while ((n > 1)
&& ((wi = __fgetwc_unlocked(stream)) != WEOF)
&& ((*p++ = wi) != '\n')
) {
--n;
}
if (p == ws) {
/* TODO -- should we set errno? */
/* if (n <= 0) { */
/* errno = EINVAL; */
/* } */
return NULL;
}
*p = 0;
return ws;
}
weak_alias(__fgetws_unlocked,fgetws_unlocked);
#ifndef __UCLIBC_HAS_THREADS__
weak_alias(__fgetws_unlocked,fgetws);
#endif
#elif defined __UCLIBC_HAS_THREADS__
wchar_t *fgetws(wchar_t *__restrict ws, int n, FILE *__restrict stream)
{
wchar_t *retval;
__STDIO_AUTO_THREADLOCK_VAR;
__STDIO_AUTO_THREADLOCK(stream);
retval = __fgetws_unlocked(ws, n, stream);
__STDIO_AUTO_THREADUNLOCK(stream);
return retval;
}
#endif
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