/* Testing the implementation of LC_NUMERIC and snprintf(). Copyright (C) 2003-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Petter Reinholdtsen <pere@hungry.com>, 2003 Based on tst-fmon.c by Jochen Hein <jochen.hein@delphi.central.de>, 1997. 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; }