1: /* Test restarting behaviour of mbrtowc.
    2:    Copyright (C) 2000, 2005 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) \
   27:   n = expr;                                                               \
   28:   printf (#expr " -> %Zd", n);                                            \
   29:   printf (", wc = %lu", (unsigned long int) wc);                          \
   30:   if (n != (size_t) nexp || wc != wcexp)                                  \
   31:     {                                                                     \
   32:       printf (", expected %Zd and %lu", nexp, (unsigned long int) wcexp); \
   33:       result = 1;                                                         \
   34:     }                                                                     \
   35:   putc ('\n', stdout)
   36: 
   37: int
   38: main (void)
   39: {
   40:   const unsigned char buf[6] = { 0x25,  0xe2, 0x82, 0xac,  0xce, 0xbb };
   41:   mbstate_t state;
   42:   wchar_t wc = 42;
   43:   size_t n;
   44:   int result = 0;
   45:   const char *used_locale;
   46: 
   47:   setlocale (LC_CTYPE, "de_DE.UTF-8");
   48:   /* Double check.  */
   49:   used_locale = setlocale (LC_CTYPE, NULL);
   50:   printf ("used locale: \"%s\"\n", used_locale);
   51:   result = strcmp (used_locale, "de_DE.UTF-8");
   52: 
   53:   memset (&state, '\0', sizeof (state));
   54: 
   55:   show (mbrtowc (&wc, (const char *) buf + 0, 1, &state), 1, 37);
   56:   show (mbrtowc (&wc, (const char *) buf + 1, 1, &state), -2, 37);
   57:   show (mbrtowc (&wc, (const char *) buf + 2, 3, &state), 2, 8364);
   58:   show (mbrtowc (&wc, (const char *) buf + 4, 1, &state), -2, 8364);
   59:   show (mbrtowc (&wc, (const char *) buf + 5, 1, &state), 1, 955);
   60:   show (mbrtowc (&wc, (const char *) buf + 5, 1, &state), -1, 955);
   61: 
   62:   return result;
   63: }