/* * This file and its contents are supplied under the terms of the * Common Development and Distribution License ("CDDL"), version 1.0. * You may only use this file in accordance with the terms of version * 1.0 of the CDDL. * * A full copy of the text of the CDDL should have accompanied this * source. A copy of the CDDL is also available via the Internet at * http://www.illumos.org/license/CDDL. */ /* * Copyright 2020 Robert Mustacchi */ /* * C11 c32rtomb(3C) support. * * The char32_t type is designed to represent a UTF-32 value, which is what we * can represent with a wchar_t. This is basically a wrapper around wcrtomb(). */ #include #include #include #include #include #include "unicode.h" static mbstate_t c32rtomb_state; size_t c32rtomb(char *restrict str, char32_t c32, mbstate_t *restrict ps) { if ((c32 >= UNICODE_SUR_MIN && c32 <= UNICODE_SUR_MAX) || c32 > UNICODE_SUP_MAX) { errno = EILSEQ; return ((size_t)-1); } if (ps == NULL) { ps = &c32rtomb_state; } if (str == NULL) { c32 = L'\0'; } return (wcrtomb_l(str, (wchar_t)c32, ps, uselocale((locale_t)0))); }