2 * Copyright (c) 2002, 2003 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
31 * $FreeBSD: head/lib/libc/locale/wcstof.c 227753 2011-11-20 14:45:42Z theraven $
38 #include "xlocale_private.h"
41 * See wcstod() for comments as to the logic used.
44 wcstof_l(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr,
47 static const mbstate_t initial;
55 while (iswspace_l(*nptr, locale))
60 if ((len = wcsrtombs_l(NULL, &wcp, 0, &mbs, locale)) == (size_t)-1) {
62 *endptr = (wchar_t *)nptr;
65 if ((buf = malloc(len + 1)) == NULL)
68 wcsrtombs_l(buf, &wcp, len + 1, &mbs, locale);
70 val = strtof_l(buf, &end, locale);
73 *endptr = (wchar_t *)nptr + (end - buf);
80 wcstof(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr)
82 return wcstof_l(nptr, endptr, __get_locale());