glibc/localedata/tst-mbswcs3.c

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/* Test restarting behaviour of wcsrtombs.
Copyright (C) 2000-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Bruno Haible <haible@ilog.fr>.
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 <stdio.h>
#include <string.h>
#include <wchar.h>
#include <locale.h>
#define show(expr, nexp, srcexp, bufexp) \
{ \
size_t res = expr; \
printf (#expr " -> %Zd", res); \
dst += res; \
printf (", src = srcbuf+%td, dst = buf+%td", \
src - srcbuf, dst - (char *) buf); \
if (res != nexp || src != (srcexp) || dst != (char *) (bufexp)) \
{ \
printf (", expected %Zd and srcbuf+%td and buf+%td", nexp, \
(srcexp) - srcbuf, (bufexp) - (unsigned char *) buf); \
result = 1; \
} \
putc ('\n', stdout); \
}
int
main (void)
{
unsigned char buf[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
const unsigned char bufcheck[6] = { 0x25, 0xe2, 0x82, 0xac, 0xce, 0xbb };
const wchar_t srcbuf[4] = { 0x25, 0x20ac, 0x03bb, 0 };
mbstate_t state;
const wchar_t *src;
char *dst;
int result = 0;
const char *used_locale;
setlocale (LC_CTYPE, "de_DE.UTF-8");
/* Double check. */
used_locale = setlocale (LC_CTYPE, NULL);
printf ("used locale: \"%s\"\n", used_locale);
result = strcmp (used_locale, "de_DE.UTF-8");
memset (&state, '\0', sizeof (state));
src = srcbuf;
dst = (char *) buf;
show (wcsrtombs (dst, &src, 1, &state), 1, srcbuf + 1, buf + 1);
show (wcsrtombs (dst, &src, 1, &state), 0, srcbuf + 1, buf + 1);
show (wcsrtombs (dst, &src, 4, &state), 3, srcbuf + 2, buf + 4);
show (wcsrtombs (dst, &src, 2, &state), 2, srcbuf + 3, buf + 6);
if (memcmp (buf, bufcheck, 6))
{
puts ("wrong results");
result = 1;
}
return result;
}