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/* Testing the implementation of LC_NUMERIC and snprintf().
Copyright (C) 2003-2024 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 <stdio.h>
#include <locale.h>
#include <string.h>
#include <stdlib.h>
/*
test-numeric gets called with three parameters:
- the locale
- the format-string to be used
- the actual number to be formatted
- the expected string
If the test passes, test-numeric terminates with returncode 0,
otherwise with 1
*/
#define EXIT_SUCCESS 0
#define EXIT_FAILURE 1
#define EXIT_SETLOCALE 2
#define EXIT_SNPRINTF 3
int
main (int argc, char *argv[])
{
char s[200];
double val;
/* Make sure to read the value before setting of the locale, as
strtod() is locale-dependent. */
val = strtod (argv[3], NULL);
if (setlocale (LC_ALL, argv[1]) == NULL)
{
fprintf (stderr, "setlocale(LC_ALL, \"%s\"): %m\n", argv[1]);
exit (EXIT_SETLOCALE);
}
if (snprintf (s, sizeof (s), argv[2], val) == -1)
{
perror ("snprintf");
exit (EXIT_SNPRINTF);
}
if (strcmp (s, argv[4]) != 0)
{
printf ("\
locale: \"%s\", format: \"%s\", expected: \"%s\", got: \"%s\" => %s\n",
argv[1], argv[2], argv[4], s,
strcmp (s, argv[4]) != 0 ? "false" : "correct");
exit (EXIT_FAILURE);
}
return EXIT_SUCCESS;
}
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