glibc/wcsmbs/tst-wcrtomb.c

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/* Copyright (C) 2000-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2000.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
static int check_ascii (const char *locname);
int
main (void)
{
int result = 0;
/* Check mapping of ASCII range for some character sets which have
ASCII as a subset. For those the wide char generated must have
the same value. */
setlocale (LC_ALL, "C");
result |= check_ascii (setlocale (LC_ALL, NULL));
setlocale (LC_ALL, "de_DE.UTF-8");
result |= check_ascii (setlocale (LC_ALL, NULL));
setlocale (LC_ALL, "ja_JP.EUC-JP");
result |= check_ascii (setlocale (LC_ALL, NULL));
return result;
}
static int
check_ascii (const char *locname)
{
wchar_t wc;
int res = 0;
printf ("Testing locale \"%s\":\n", locname);
for (wc = 0; wc <= 127; ++wc)
{
char buf[2 * MB_CUR_MAX];
mbstate_t s;
size_t n;
memset (buf, '\xff', sizeof (buf));
memset (&s, '\0', sizeof (s));
n = wcrtomb (buf, wc, &s);
if (n == (size_t) -1)
{
printf ("%s: '\\x%x': encoding error\n", locname, (int) wc);
++res;
}
else if (n == 0)
{
printf ("%s: '\\x%x': 0 returned\n", locname, (int) wc);
++res;
}
else if (n != 1)
{
printf ("%s: '\\x%x': not 1 returned\n", locname, (int) wc);
++res;
}
else if (wc != (wchar_t) buf[0])
{
printf ("%s: L'\\x%x': buf[0] != '\\x%x'\n", locname, (int) wc,
(int) wc);
++res;
}
}
printf (res == 1 ? "%d error\n" : "%d errors\n", res);
return res != 0;
}