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
27int
28main(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