tests/test-shiftseq.c

   1 /* Copyright (C) 2008 Free Software Foundation, Inc.
   2    This file is part of the GNU LIBICONV Library.
   3
   4    The GNU LIBICONV Library is free software; you can redistribute it
   5    and/or modify it under the terms of the GNU Library General Public
   6    License as published by the Free Software Foundation; either version 2
   7    of the License, or (at your option) any later version.
   8
   9    The GNU LIBICONV Library is distributed in the hope that it will be
  10    useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU LIBICONV Library; see the file COPYING.LIB.
  16    If not, write to the Free Software Foundation, Inc., 51 Franklin Street,
  17    Fifth Floor, Boston, MA 02110-1301, USA.  */
  18
  19 #include "config.h"
  20
  21 #include <stdlib.h>
  22 #include <iconv.h>
  23 #include <errno.h>
  24
  25 /* This test checks that the behaviour of iconv() in the situation of an
  26    invalid multibyte character after a shift sequence is consistent whether
  27    the entire buffer is passed at once, or whether it is passed in two
  28    subsequent calls.  Based on a bug report from
  29    Roman Rybalko <roman_rybalko@users.sourceforge.net>
  30    at <http://savannah.gnu.org/bugs/?24216>.  */
  31
  32 void main1 (void)
  33 {
  34   static const char input[] = "+2D/YQNhB";
  35   iconv_t cd;
  36   char buf[20];
  37
  38   const char * inptr;
  39   size_t inleft;
  40   char * outptr;
  41   size_t outleft;
  42
  43   cd = iconv_open ("UTF-8", "UTF-7");
  44   {
  45     size_t r;
  46
  47     inptr = input;
  48     inleft = 9;
  49     outptr = buf;
  50     outleft = sizeof (buf);
  51     r = iconv (cd, (ICONV_CONST char **) &inptr, &inleft, &outptr, &outleft);
  52     /*
  53     printf ("r = %d  errno = %d  inconsumed = %d outproduced = %d\n",
  54             r, errno, inptr - input, outptr - buf);
  55     // glibc:
  56     //   r = -1  errno = 84  inconsumed = 4 outproduced = 0
  57     // libiconv:
  58     //   r = -1  errno = 84  inconsumed = 1 outproduced = 0
  59     */
  60     if (!(r == (size_t)(-1) && errno == EILSEQ
  61           && inptr - input == 1 && outptr - buf == 0))
  62       abort();
  63   }
  64 }
  65
  66 void main2 (void)
  67 {
  68   static const char input[] = "+2D/YQNhB";
  69   iconv_t cd;
  70   char buf[20];
  71
  72   const char * inptr;
  73   size_t inleft;
  74   char * outptr;
  75   size_t outleft;
  76
  77   cd = iconv_open ("UTF-8", "UTF-7");
  78   {
  79     size_t r;
  80
  81     inptr = input;
  82     inleft = 5;
  83     outptr = buf;
  84     outleft = sizeof (buf);
  85     r = iconv (cd, (ICONV_CONST char **) &inptr, &inleft, &outptr, &outleft);
  86     /*
  87     printf ("r = %d  errno = %d  inconsumed = %d outproduced = %d\n",
  88             r, errno, inptr - input, outptr - buf);
  89     // glibc:
  90     //   r = -1  errno = 84 (EILSEQ)  inconsumed = 4 outproduced = 0
  91     // libiconv:
  92     //   r = -1  errno = 22 (EINVAL)  inconsumed = 1 outproduced = 0
  93     */
  94     if (!(r == (size_t)(-1) && errno == EINVAL
  95           && inptr - input == 1 && outptr - buf == 0))
  96       abort();
  97
  98     inleft = input + 20 - inptr;
  99     r = iconv (cd, (ICONV_CONST char **) &inptr, &inleft, &outptr, &outleft);
 100     /*
 101     printf ("r = %d  errno = %d  inconsumed = %d outproduced = %d\n",
 102             r, errno, inptr - input, outptr - buf);
 103     // glibc:
 104     //   r = -1  errno = 84 (EILSEQ)  inconsumed = 4 outproduced = 0
 105     // libiconv:
 106     //   r = -1  errno = 84 (EILSEQ)  inconsumed = 1 outproduced = 0
 107     */
 108     if (!(r == (size_t)(-1) && errno == EILSEQ
 109           && inptr - input == 1 && outptr - buf == 0))
 110       abort();
 111   }
 112 }
 113
 114 int main ()
 115 {
 116   main1 ();
 117   main2 ();
 118   return 0;
 119 }