1: /* Test restarting behaviour of wcrtomb.
    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, bufexp) \
   27:   {                                                                     \
   28:     size_t res = expr;                                                  \
   29:     printf (#expr " -> %Zd", res);                                      \
   30:     dst += res;                                                         \
   31:     printf (", dst = buf+%td", dst - (char *) buf);                     \
   32:     if (res != nexp || dst != (char *) (bufexp))                        \
   33:       {                                                                 \
   34:         printf (", expected %Zd and buf+%td", nexp,                    \
   35:                 (bufexp) - (unsigned char *) buf);                    \
   36:         result = 1;                                                    \
   37:       }                                                                 \
   38:     putc ('\n', stdout);                                                \
   39:   }
   40: 
   41: int
   42: main (void)
   43: {
   44:   unsigned char buf[7] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
   45:   const unsigned char bufcheck[7] = { 0x25, 0xe2, 0x82, 0xac, 0xce, 0xbb, 0 };
   46:   const wchar_t srcbuf[4] = { 0x25, 0x20ac, 0x03bb, 0 };
   47:   mbstate_t state;
   48:   const wchar_t *src;
   49:   char *dst;
   50:   int result = 0;
   51:   const char *used_locale;
   52: 
   53:   setlocale (LC_CTYPE, "de_DE.UTF-8");
   54:   /* Double check.  */
   55:   used_locale = setlocale (LC_CTYPE, NULL);
   56:   printf ("used locale: \"%s\"\n", used_locale);
   57:   result = strcmp (used_locale, "de_DE.UTF-8");
   58: 
   59:   memset (&state, '\0', sizeof (state));
   60: 
   61:   src = srcbuf;
   62:   dst = (char *) buf;
   63:   show (wcrtomb (dst, *src++, &state), 1, buf + 1);
   64:   show (wcrtomb (dst, *src++, &state), 3, buf + 4);
   65:   show (wcrtomb (dst, *src++, &state), 2, buf + 6);
   66:   show (wcrtomb (dst, *src, &state), 1, buf + 7);
   67: 
   68:   if (memcmp (buf, bufcheck, 7))
   69:     {
   70:       puts ("wrong results");
   71:       result = 1;
   72:     }
   73: 
   74:   return result;
   75: }