localedata/tst-mbswcs2.c

   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 }