1 /* Testing the implementation of LC_NUMERIC and snprintf().
2 Copyright (C) 2003-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
19
20 #include <stdio.h>
21 #include <locale.h>
22 #include <string.h>
23 #include <stdlib.h>
24
25 /*
26 test-numeric gets called with three parameters:
27 - the locale
28 - the format-string to be used
29 - the actual number to be formatted
30 - the expected string
31 If the test passes, test-numeric terminates with returncode 0,
32 otherwise with 1
33 */
34 #define EXIT_SUCCESS 0
35 #define EXIT_FAILURE 1
36 #define EXIT_SETLOCALE 2
37 #define EXIT_SNPRINTF 3
38
39 int
main(int argc,char * argv[])40 main (int argc, char *argv[])
41 {
42 char s[200];
43 double val;
44
45 /* Make sure to read the value before setting of the locale, as
46 strtod() is locale-dependent. */
47 val = strtod (argv[3], NULL);
48
49 if (setlocale (LC_ALL, argv[1]) == NULL)
50 {
51 fprintf (stderr, "setlocale(LC_ALL, \"%s\"): %m\n", argv[1]);
52 exit (EXIT_SETLOCALE);
53 }
54
55 if (snprintf (s, sizeof (s), argv[2], val) == -1)
56 {
57 perror ("snprintf");
58 exit (EXIT_SNPRINTF);
59 }
60
61 if (strcmp (s, argv[4]) != 0)
62 {
63 printf ("\
64 locale: \"%s\", format: \"%s\", expected: \"%s\", got: \"%s\" => %s\n",
65 argv[1], argv[2], argv[4], s,
66 strcmp (s, argv[4]) != 0 ? "false" : "correct");
67 exit (EXIT_FAILURE);
68 }
69
70 return EXIT_SUCCESS;
71 }
72