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 |
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: s, maxlen: sizeof (s), format: argv[2], val) == -1) |
56 | { |
57 | perror ("snprintf" ); |
58 | exit (EXIT_SNPRINTF); |
59 | } |
60 | |
61 | if (strcmp (s, argv[4]) != 0) |
62 | { |
63 | printf (format: "\ |
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 | |