/*      Id: test-wchar.c,v 1.5 2018/08/15 02:15:52 schwarze Exp         */
/*
* Copyright (c) 2014 Ingo Schwarze <[email protected]>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

#include <locale.h>
#include <stdio.h>
#include <wchar.h>
#include <unistd.h>

int
main(void)
{
       wchar_t  wc;
       int      width;

       if (setlocale(LC_ALL, "") == NULL) {
               fputs("setlocale(LC_ALL, \"\") failed\n", stderr);
               return 1;
       }

       if (setlocale(LC_CTYPE, UTF8_LOCALE) == NULL) {
               fprintf(stderr, "setlocale(LC_CTYPE, \"%s\") failed\n",
                   UTF8_LOCALE);
               return 1;
       }

       if (sizeof(wchar_t) < 4) {
               fprintf(stderr, "wchar_t is only %zu bytes\n",
                   sizeof(wchar_t));
               return 1;
       }

       if ((width = wcwidth(L' ')) != 1) {
               fprintf(stderr, "wcwidth(L' ') returned %d\n", width);
               return 1;
       }

       dup2(STDERR_FILENO, STDOUT_FILENO);
       wc = L'*';
       if (putwchar(wc) != (wint_t)wc) {
               fputs("bad putwchar return value\n", stderr);
               return 1;
       }

       return 0;
}