1542bd65fSTim J. Robbins /*- 2542bd65fSTim J. Robbins * Copyright (c) 2002, 2003 Tim J. Robbins 3542bd65fSTim J. Robbins * All rights reserved. 4542bd65fSTim J. Robbins * 53c87aa1dSDavid Chisnall * Copyright (c) 2011 The FreeBSD Foundation 63c87aa1dSDavid Chisnall * All rights reserved. 73c87aa1dSDavid Chisnall * Portions of this software were developed by David Chisnall 83c87aa1dSDavid Chisnall * under sponsorship from the FreeBSD Foundation. 93c87aa1dSDavid Chisnall * 10542bd65fSTim J. Robbins * Redistribution and use in source and binary forms, with or without 11542bd65fSTim J. Robbins * modification, are permitted provided that the following conditions 12542bd65fSTim J. Robbins * are met: 13542bd65fSTim J. Robbins * 1. Redistributions of source code must retain the above copyright 14542bd65fSTim J. Robbins * notice, this list of conditions and the following disclaimer. 15542bd65fSTim J. Robbins * 2. Redistributions in binary form must reproduce the above copyright 16542bd65fSTim J. Robbins * notice, this list of conditions and the following disclaimer in the 17542bd65fSTim J. Robbins * documentation and/or other materials provided with the distribution. 18542bd65fSTim J. Robbins * 19542bd65fSTim J. Robbins * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20542bd65fSTim J. Robbins * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21542bd65fSTim J. Robbins * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22542bd65fSTim J. Robbins * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23542bd65fSTim J. Robbins * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24542bd65fSTim J. Robbins * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25542bd65fSTim J. Robbins * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26542bd65fSTim J. Robbins * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27542bd65fSTim J. Robbins * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28542bd65fSTim J. Robbins * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29542bd65fSTim J. Robbins * SUCH DAMAGE. 30542bd65fSTim J. Robbins */ 31542bd65fSTim J. Robbins 32542bd65fSTim J. Robbins #include <sys/cdefs.h> 33542bd65fSTim J. Robbins __FBSDID("$FreeBSD$"); 34542bd65fSTim J. Robbins 35542bd65fSTim J. Robbins #include <stdlib.h> 36542bd65fSTim J. Robbins #include <wchar.h> 37542bd65fSTim J. Robbins #include <wctype.h> 383c87aa1dSDavid Chisnall #include "xlocale_private.h" 39542bd65fSTim J. Robbins 40542bd65fSTim J. Robbins /* 41542bd65fSTim J. Robbins * See wcstod() for comments as to the logic used. 42542bd65fSTim J. Robbins */ 43542bd65fSTim J. Robbins long double 443c87aa1dSDavid Chisnall wcstold_l(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr, 453c87aa1dSDavid Chisnall locale_t locale) 46542bd65fSTim J. Robbins { 47dc763237STim J. Robbins static const mbstate_t initial; 48dc763237STim J. Robbins mbstate_t mbs; 49542bd65fSTim J. Robbins long double val; 5084d9142fSJacques Vidrine char *buf, *end; 51*81f91de9SEric van Gyzen const wchar_t *wcp; 5284d9142fSJacques Vidrine size_t len; 53*81f91de9SEric van Gyzen size_t spaces; 543c87aa1dSDavid Chisnall FIX_LOCALE(locale); 55542bd65fSTim J. Robbins 56*81f91de9SEric van Gyzen wcp = nptr; 57*81f91de9SEric van Gyzen spaces = 0; 583c87aa1dSDavid Chisnall while (iswspace_l(*wcp, locale)) { 593c87aa1dSDavid Chisnall wcp++; 603c87aa1dSDavid Chisnall spaces++; 613c87aa1dSDavid Chisnall } 62542bd65fSTim J. Robbins 63dc763237STim J. Robbins mbs = initial; 643c87aa1dSDavid Chisnall if ((len = wcsrtombs_l(NULL, &wcp, 0, &mbs, locale)) == (size_t)-1) { 65542bd65fSTim J. Robbins if (endptr != NULL) 66542bd65fSTim J. Robbins *endptr = (wchar_t *)nptr; 67542bd65fSTim J. Robbins return (0.0); 68542bd65fSTim J. Robbins } 69*81f91de9SEric van Gyzen if ((buf = malloc(len + 1)) == NULL) { 70*81f91de9SEric van Gyzen if (endptr != NULL) 71*81f91de9SEric van Gyzen *endptr = (wchar_t *)nptr; 72542bd65fSTim J. Robbins return (0.0); 73*81f91de9SEric van Gyzen } 74dc763237STim J. Robbins mbs = initial; 753c87aa1dSDavid Chisnall wcsrtombs_l(buf, &wcp, len + 1, &mbs, locale); 76542bd65fSTim J. Robbins 773c87aa1dSDavid Chisnall val = strtold_l(buf, &end, locale); 78542bd65fSTim J. Robbins 793c87aa1dSDavid Chisnall if (endptr != NULL) { 80542bd65fSTim J. Robbins *endptr = (wchar_t *)nptr + (end - buf); 813c87aa1dSDavid Chisnall if (buf != end) 823c87aa1dSDavid Chisnall *endptr += spaces; 833c87aa1dSDavid Chisnall } 84542bd65fSTim J. Robbins 85542bd65fSTim J. Robbins free(buf); 86542bd65fSTim J. Robbins 87542bd65fSTim J. Robbins return (val); 88542bd65fSTim J. Robbins } 893c87aa1dSDavid Chisnall long double 903c87aa1dSDavid Chisnall wcstold(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr) 913c87aa1dSDavid Chisnall { 923c87aa1dSDavid Chisnall return wcstold_l(nptr, endptr, __get_locale()); 933c87aa1dSDavid Chisnall } 94