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/* Verify multibyte decimal point extending beyond scanf field width.
Copyright (C) 2025 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 <string.h>
#include <libc-diag.h>
#include <support/check.h>
#include <support/xstdio.h>
#define PD "\xd9\xab"
static int
do_test (void)
{
if (setlocale (LC_ALL, "ps_AF.UTF-8") == NULL)
FAIL_EXIT1 ("setlocale (LC_ALL, \"ps_AF.UTF-8\")");
char s[] = "1" PD;
FILE *f = xfmemopen (s, strlen (s), "r");
/* This should succeed parsing a floating-point number, and leave '\xd9',
'\xab' in the input. */
double d;
int c;
TEST_VERIFY_EXIT (fscanf (f, "%2lf%n", &d, &c) == 1);
TEST_VERIFY_EXIT (d == 1.0);
TEST_VERIFY_EXIT (c == 1);
TEST_VERIFY_EXIT (fgetc (f) == 0xd9);
TEST_VERIFY_EXIT (fgetc (f) == 0xab);
xfclose (f);
return 0;
}
#include <support/test-driver.c>
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