glibc/stdio-common/tst-grouping2.c
Andreas Schwab 8b915921fb Add test for bug 29530
This tests for a bug that was introduced in commit edc1686af0 ("vfprintf:
Reuse work_buffer in group_number") and fixed as a side effect of commit
6caddd34bd ("Remove most vfprintf width/precision-dependent allocations
(bug 14231, bug 26211).").

(cherry picked from commit ca6466e8be)
2022-08-30 12:42:19 +02:00

40 lines
1.3 KiB
C

/* Test printf with grouping and large width (bug 29530)
Copyright (C) 2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <locale.h>
#include <stdio.h>
#include <support/check.h>
#include <support/support.h>
static int
do_test (void)
{
const int field_width = 1000;
char buf[field_width + 1];
xsetlocale (LC_NUMERIC, "de_DE.UTF-8");
/* This used to crash in group_number. */
TEST_COMPARE (sprintf (buf, "%'*d", field_width, 1000), field_width);
TEST_COMPARE_STRING (buf + field_width - 6, " 1.000");
return 0;
}
#include <support/test-driver.c>