stdio-common/tst-grouping2.c

   1 /* Test printf with grouping and large width (bug 29530)
   2    Copyright (C) 2022-2023 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 <stdio.h>
  21 #include <support/check.h>
  22 #include <support/support.h>
  23
  24 static int
  25 do_test (void)
  26 {
  27   const int field_width = 1000;
  28   char buf[field_width + 1];
  29
  30   xsetlocale (LC_NUMERIC, "de_DE.UTF-8");
  31
  32   /* This used to crash in group_number.  */
  33   TEST_COMPARE (sprintf (buf, "%'*d", field_width, 1000), field_width);
  34   TEST_COMPARE_STRING (buf + field_width - 6, " 1.000");
  35
  36   return 0;
  37 }
  38
  39 #include <support/test-driver.c>