2 * Copyright (c) 2002-2004 Tim J. Robbins.
5 * Copyright (c) 2011 The FreeBSD Foundation
7 * Portions of this software were developed by David Chisnall
8 * under sponsorship from the FreeBSD Foundation.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #include "namespace.h"
40 #include "un-namespace.h"
41 #include "libc_private.h"
46 fgetws_l(wchar_t * __restrict ws, int n, FILE * __restrict fp, locale_t locale)
54 struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
69 if (fp->_r <= 0 && __srefill(fp))
76 nl = memchr(fp->_p, '\n', fp->_r);
77 nconv = l->__mbsnrtowcs(wsp, &src,
78 nl != NULL ? (nl - fp->_p + 1) : fp->_r,
79 n - 1, &fp->_mbstate);
80 if (nconv == (size_t)-1) {
81 /* Conversion error */
87 * We hit a null byte. Increment the character count,
88 * since mbsnrtowcs()'s return value doesn't include
89 * the terminating null, then resume conversion
93 src = memchr(fp->_p, '\0', fp->_r);
96 fp->_r -= (unsigned char *)src - fp->_p;
97 fp->_p = (unsigned char *)src;
100 } while ((wsp == ws || wsp[-1] != L'\n') && n > 1 && (fp->_r > 0 ||
101 (sret = __srefill(fp)) == 0));
102 if (sret && !__sfeof(fp))
105 if (!l->__mbsinit(&fp->_mbstate)) {
106 /* Incomplete character */
107 fp->_flags |= __SERR;
125 fgetws(wchar_t * __restrict ws, int n, FILE * __restrict fp)
127 return fgetws_l(ws, n, fp, __get_locale());