iconv/tst-iconv2.c

   1 /* Copyright (C) 2001-2019 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, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <iconv.h>
  21 #include <mcheck.h>
  22 #include <stddef.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27
  28 static int
  29 do_test (void)
  30 {
  31   char buf[3];
  32   const wchar_t wc[1] = L"a";
  33   iconv_t cd;
  34   char *inptr;
  35   size_t inlen;
  36   char *outptr;
  37   size_t outlen;
  38   size_t n;
  39   int e;
  40   int result = 0;
  41
  42   mtrace ();
  43
  44   cd = iconv_open ("UCS4", "WCHAR_T");
  45   if (cd == (iconv_t) -1)
  46     {
  47       printf ("cannot convert from wchar_t to UCS4: %m\n");
  48       exit (1);
  49     }
  50
  51   inptr = (char *) wc;
  52   inlen = sizeof (wchar_t);
  53   outptr = buf;
  54   outlen = 3;
  55
  56   n = iconv (cd, &inptr, &inlen, &outptr, &outlen);
  57   e = errno;
  58
  59   if (n != (size_t) -1)
  60     {
  61       printf ("incorrect iconv() return value: %zd, expected -1\n", n);
  62       result = 1;
  63     }
  64
  65   if (e != E2BIG)
  66     {
  67       printf ("incorrect error value: %s, expected %s\n",
  68               strerror (e), strerror (E2BIG));
  69       result = 1;
  70     }
  71
  72   if (inptr != (char *) wc)
  73     {
  74       puts ("inptr changed");
  75       result = 1;
  76     }
  77
  78   if (inlen != sizeof (wchar_t))
  79     {
  80       puts ("inlen changed");
  81       result = 1;
  82     }
  83
  84   if (outptr != buf)
  85     {
  86       puts ("outptr changed");
  87       result = 1;
  88     }
  89
  90   if (outlen != 3)
  91     {
  92       puts ("outlen changed");
  93       result = 1;
  94     }
  95
  96   iconv_close (cd);
  97
  98   return result;
  99 }
 100
 101 #define TEST_FUNCTION do_test ()
 102 #include "../test-skeleton.c"