posix/bug-regex23.c

   1 /* Test we don't segfault on invalid UTF-8 sequence.
   2    Copyright (C) 2004-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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 <locale.h>
  20 #include <regex.h>
  21 #include <string.h>
  22
  23 int
  24 main (void)
  25 {
  26   regex_t r;
  27
  28   memset (&r, 0, sizeof (r));
  29   setlocale (LC_ALL, "de_DE.UTF-8");
  30   regcomp (&r, "[-a-z_0-9.]+@[-a-z_0-9.]+", REG_EXTENDED | REG_ICASE);
  31   regexec (&r, "\xe7\xb7\x95\xe7\x97", 0, NULL, 0);
  32   return 0;
  33 }