iconv/tst-iconv2.c

   1 /* Copyright (C) 2001 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@cygnus.com>, 2001.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <errno.h>
  21 #include <iconv.h>
  22 #include <mcheck.h>
  23 #include <stddef.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27
  28
  29 int
  30 main (void)
  31 {
  32   char buf[3];
  33   const wchar_t wc[1] = L"a";
  34   iconv_t cd;
  35   char *inptr;
  36   size_t inlen;
  37   char *outptr;
  38   size_t outlen;
  39   size_t n;
  40   int e;
  41   int result = 0;
  42
  43   mtrace ();
  44
  45   cd = iconv_open ("UCS4", "WCHAR_T");
  46   if (cd == (iconv_t) -1)
  47     {
  48       printf ("cannot convert from wchar_t to UCS4: %m\n");
  49       exit (1);
  50     }
  51
  52   inptr = (char *) wc;
  53   inlen = sizeof (wchar_t);
  54   outptr = buf;
  55   outlen = 3;
  56
  57   n = iconv (cd, &inptr, &inlen, &outptr, &outlen);
  58   e = errno;
  59
  60   if (n != (size_t) -1)
  61     {
  62       printf ("incorrect iconv() return value: %zd, expected -1\n", n);
  63       result = 1;
  64     }
  65
  66   if (e != E2BIG)
  67     {
  68       printf ("incorrect error value: %s, expected %s\n",
  69               strerror (e), strerror (E2BIG));
  70       result = 1;
  71     }
  72
  73   if (inptr != (char *) wc)
  74     {
  75       puts ("inptr changed");
  76       result = 1;
  77     }
  78
  79   if (inlen != sizeof (wchar_t))
  80     {
  81       puts ("inlen changed");
  82       result = 1;
  83     }
  84
  85   if (outptr != buf)
  86     {
  87       puts ("outptr changed");
  88       result = 1;
  89     }
  90
  91   if (outlen != 3)
  92     {
  93       puts ("outlen changed");
  94       result = 1;
  95     }
  96
  97   iconv_close (cd);
  98
  99   return result;
 100 }