1: /* Test restarting behaviour of mbsnrtowcs.
    2:    Copyright (C) 2000 Free Software Foundation, Inc.
    3:    This file is part of the GNU C Library.
    4:    Contributed by Bruno Haible <haible@ilog.fr>.
    5: 
    6:    The GNU C Library is free software; you can redistribute it and/or
    7:    modify it under the terms of the GNU Lesser General Public
    8:    License as published by the Free Software Foundation; either
    9:    version 2.1 of the License, or (at your option) any later version.
   10: 
   11:    The GNU C Library is distributed in the hope that it will be useful,
   12:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   13:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   14:    Lesser General Public License for more details.
   15: 
   16:    You should have received a copy of the GNU Lesser General Public
   17:    License along with the GNU C Library; if not, write to the Free
   18:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   19:    02111-1307 USA.  */
   20: 
   21: #include <stdio.h>
   22: #include <string.h>
   23: #include <wchar.h>
   24: #include <locale.h>
   25: 
   26: #define show(expr, nexp, wcexp, end) \
   27:   n = expr;                                                             \
   28:   printf (#expr " -> %Zd", n);                                          \
   29:   printf (", wc = %lu, src = buf+%d", (unsigned long int) wc,           \
   30:           src - (const char *) buf);                                   \
   31:   if (n != (size_t) nexp || wc != wcexp || src != (const char *) (end)) \
   32:     {                                                                   \
   33:       printf (", expected %Zd and %lu and buf+%d", nexp,                \
   34:               (unsigned long int) wcexp, (end) - buf);                 \
   35:       result = 1;                                                       \
   36:     }                                                                   \
   37:   putc ('\n', stdout)
   38: 
   39: int
   40: main (void)
   41: {
   42:   unsigned char buf[6] = { 0x25,  0xe2, 0x82, 0xac,  0xce, 0xbb };
   43:   mbstate_t state;
   44:   const char *src;
   45:   wchar_t wc = 42;
   46:   size_t n;
   47:   int result = 0;
   48:   const char *used_locale;
   49: 
   50:   setlocale (LC_CTYPE,"de_DE.UTF-8");
   51:   /* Double check.  */
   52:   used_locale = setlocale (LC_CTYPE, NULL);
   53:   printf ("used locale: \"%s\"\n", used_locale);
   54:   result = strcmp (used_locale, "de_DE.UTF-8");
   55: 
   56:   memset (&state, '\0', sizeof (state));
   57: 
   58:   src = (const char *) buf;
   59:   show (mbsnrtowcs (&wc, &src, 1, 1, &state), 1, 37, buf + 1);
   60:   show (mbsnrtowcs (&wc, &src, 3, 1, &state), 1, 8364, buf + 4);
   61:   show (mbsnrtowcs (&wc, &src, 1, 1, &state), 0, 8364, buf + 5);
   62:   show (mbsnrtowcs (&wc, &src, 1, 1, &state), 1, 955, buf + 6);
   63: 
   64:   return result;
   65: }