1 /* $Id: test-wchar.c,v 1.4 2016/07/31 09:29:13 schwarze Exp $ */ 2 /* 3 * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #if defined(__linux__) || defined(__MINT__) 19 #define _GNU_SOURCE /* wcwidth() */ 20 #endif 21 22 #include <locale.h> 23 #include <stdio.h> 24 #include <wchar.h> 25 #include <unistd.h> 26 27 int 28 main(void) 29 { 30 wchar_t wc; 31 int width; 32 33 if (setlocale(LC_ALL, "") == NULL) { 34 fputs("setlocale(LC_ALL, \"\") failed\n", stderr); 35 return 1; 36 } 37 38 if (setlocale(LC_CTYPE, UTF8_LOCALE) == NULL) { 39 fprintf(stderr, "setlocale(LC_CTYPE, \"%s\") failed\n", 40 UTF8_LOCALE); 41 return 1; 42 } 43 44 if (sizeof(wchar_t) < 4) { 45 fprintf(stderr, "wchar_t is only %zu bytes\n", 46 sizeof(wchar_t)); 47 return 1; 48 } 49 50 if ((width = wcwidth(L' ')) != 1) { 51 fprintf(stderr, "wcwidth(L' ') returned %d\n", width); 52 return 1; 53 } 54 55 dup2(STDERR_FILENO, STDOUT_FILENO); 56 wc = L'*'; 57 if (putwchar(wc) != (wint_t)wc) { 58 fputs("bad putwchar return value\n", stderr); 59 return 1; 60 } 61 62 return 0; 63 } 64