xref: /freebsd/contrib/mandoc/test-wchar.c (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1 /*	$Id: test-wchar.c,v 1.5 2018/08/15 02:15:52 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 #include <locale.h>
19 #include <stdio.h>
20 #include <wchar.h>
21 #include <unistd.h>
22 
23 int
24 main(void)
25 {
26 	wchar_t	 wc;
27 	int	 width;
28 
29 	if (setlocale(LC_ALL, "") == NULL) {
30 		fputs("setlocale(LC_ALL, \"\") failed\n", stderr);
31 		return 1;
32 	}
33 
34 	if (setlocale(LC_CTYPE, UTF8_LOCALE) == NULL) {
35 		fprintf(stderr, "setlocale(LC_CTYPE, \"%s\") failed\n",
36 		    UTF8_LOCALE);
37 		return 1;
38 	}
39 
40 	if (sizeof(wchar_t) < 4) {
41 		fprintf(stderr, "wchar_t is only %zu bytes\n",
42 		    sizeof(wchar_t));
43 		return 1;
44 	}
45 
46 	if ((width = wcwidth(L' ')) != 1) {
47 		fprintf(stderr, "wcwidth(L' ') returned %d\n", width);
48 		return 1;
49 	}
50 
51 	dup2(STDERR_FILENO, STDOUT_FILENO);
52 	wc = L'*';
53 	if (putwchar(wc) != (wint_t)wc) {
54 		fputs("bad putwchar return value\n", stderr);
55 		return 1;
56 	}
57 
58 	return 0;
59 }
60