1 /* Test for invalid input to wcrtomb.
2    Copyright (C) 2001-2022 Free Software Foundation, Inc.
3    This file is part of the GNU C Library.
4 
5    The GNU C Library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Lesser General Public
7    License as published by the Free Software Foundation; either
8    version 2.1 of the License, or (at your option) any later version.
9 
10    The GNU C Library is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13    Lesser General Public License for more details.
14 
15    You should have received a copy of the GNU Lesser General Public
16    License along with the GNU C Library; if not, see
17    <https://www.gnu.org/licenses/>.  */
18 
19 #include <errno.h>
20 #include <locale.h>
21 #include <stdio.h>
22 #include <string.h>
23 #include <wchar.h>
24 
25 
26 static int
do_test(const char * loc)27 do_test (const char *loc)
28 {
29   char buf[100];
30   size_t n;
31   mbstate_t state;
32   const char *nloc;
33   int res;
34 
35   nloc = setlocale (LC_ALL, loc);
36   if (nloc == NULL)
37     {
38       printf ("could not set locale \"%s\"\n", loc);
39       return 1;
40     }
41   printf ("new locale: %s\n", nloc);
42 
43   memset (&state, '\0', sizeof (state));
44   errno = 0;
45   n = wcrtomb (buf, (wchar_t) -15l, &state);
46 
47   printf ("n = %zd, errno = %d (%s)\n", n, errno, strerror (errno));
48 
49   res = n != (size_t) -1 || errno != EILSEQ;
50   if (res)
51     puts ("*** FAIL");
52   putchar ('\n');
53 
54   return res;
55 }
56 
57 
58 int
main(void)59 main (void)
60 {
61   int res;
62 
63   res = do_test ("C");
64   res |= do_test ("de_DE.ISO-8859-1");
65   res |= do_test ("de_DE.UTF-8");
66   res |= do_test ("en_US.ANSI_X3.4-1968");
67   res |= do_test ("ja_JP.EUC-JP");
68   res |= do_test ("hr_HR.ISO-8859-2");
69   //res |= do_test ("ru_RU.KOI8-R");
70 
71   return res;
72 }
73