1*9a4a12bdSRobert Mustacchi /* 2*9a4a12bdSRobert Mustacchi * This file and its contents are supplied under the terms of the 3*9a4a12bdSRobert Mustacchi * Common Development and Distribution License ("CDDL"), version 1.0. 4*9a4a12bdSRobert Mustacchi * You may only use this file in accordance with the terms of version 5*9a4a12bdSRobert Mustacchi * 1.0 of the CDDL. 6*9a4a12bdSRobert Mustacchi * 7*9a4a12bdSRobert Mustacchi * A full copy of the text of the CDDL should have accompanied this 8*9a4a12bdSRobert Mustacchi * source. A copy of the CDDL is also available via the Internet at 9*9a4a12bdSRobert Mustacchi * http://www.illumos.org/license/CDDL. 10*9a4a12bdSRobert Mustacchi */ 11*9a4a12bdSRobert Mustacchi 12*9a4a12bdSRobert Mustacchi /* 13*9a4a12bdSRobert Mustacchi * Copyright 2020 Robert Mustacchi 14*9a4a12bdSRobert Mustacchi */ 15*9a4a12bdSRobert Mustacchi 16*9a4a12bdSRobert Mustacchi /* 17*9a4a12bdSRobert Mustacchi * C11 mbrtoc32(3C) support. 18*9a4a12bdSRobert Mustacchi * 19*9a4a12bdSRobert Mustacchi * The char32_t type is designed to represent UTF-32. Conveniently, the wchar_t 20*9a4a12bdSRobert Mustacchi * is as well. In this case, we can just pass this directly to mbrtowc_l(). 21*9a4a12bdSRobert Mustacchi */ 22*9a4a12bdSRobert Mustacchi 23*9a4a12bdSRobert Mustacchi #include <locale.h> 24*9a4a12bdSRobert Mustacchi #include <wchar.h> 25*9a4a12bdSRobert Mustacchi #include <xlocale.h> 26*9a4a12bdSRobert Mustacchi #include <uchar.h> 27*9a4a12bdSRobert Mustacchi 28*9a4a12bdSRobert Mustacchi static mbstate_t mbrtoc32_state; 29*9a4a12bdSRobert Mustacchi 30*9a4a12bdSRobert Mustacchi size_t 31*9a4a12bdSRobert Mustacchi mbrtoc32(char32_t *restrict pc32, const char *restrict str, size_t len, 32*9a4a12bdSRobert Mustacchi mbstate_t *restrict ps) 33*9a4a12bdSRobert Mustacchi { 34*9a4a12bdSRobert Mustacchi if (ps == NULL) { 35*9a4a12bdSRobert Mustacchi ps = &mbrtoc32_state; 36*9a4a12bdSRobert Mustacchi } 37*9a4a12bdSRobert Mustacchi 38*9a4a12bdSRobert Mustacchi if (str == NULL) { 39*9a4a12bdSRobert Mustacchi pc32 = NULL; 40*9a4a12bdSRobert Mustacchi str = ""; 41*9a4a12bdSRobert Mustacchi len = 1; 42*9a4a12bdSRobert Mustacchi } 43*9a4a12bdSRobert Mustacchi 44*9a4a12bdSRobert Mustacchi return (mbrtowc_l((wchar_t *)pc32, str, len, ps, 45*9a4a12bdSRobert Mustacchi uselocale((locale_t)0))); 46*9a4a12bdSRobert Mustacchi } 47