1 | /* Test wide output conversion for warn. |
2 | Copyright (C) 2018-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <err.h> |
20 | #include <errno.h> |
21 | #include <stdio.h> |
22 | #include <stdlib.h> |
23 | #include <string.h> |
24 | #include <support/check.h> |
25 | #include <support/xmemstream.h> |
26 | #include <wchar.h> |
27 | |
28 | /* Used to trigger the large-string path in __fxprintf. */ |
29 | #define PADDING \ |
30 | "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \ |
31 | "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \ |
32 | "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" |
33 | |
34 | #define LPADDING \ |
35 | L"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \ |
36 | "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \ |
37 | "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" |
38 | |
39 | |
40 | static void |
41 | one_test (const char *message, int error_code, const wchar_t *expected) |
42 | { |
43 | wchar_t *buffer = NULL; |
44 | size_t length = 0; |
45 | FILE *fp = open_wmemstream (bufloc: &buffer, sizeloc: &length); |
46 | TEST_VERIFY_EXIT (fp != NULL); |
47 | FILE *old_stderr = stderr; |
48 | stderr = fp; |
49 | errno = error_code; |
50 | switch (error_code) |
51 | { |
52 | case E2BIG: |
53 | warn ("%s with padding " PADDING, message); |
54 | break; |
55 | case EAGAIN: |
56 | warn ("%s" , message); |
57 | break; |
58 | case -1: |
59 | warnx ("%s" , message); |
60 | break; |
61 | case -2: |
62 | warnx ("%s with padding " PADDING, message); |
63 | break; |
64 | } |
65 | stderr = old_stderr; |
66 | TEST_VERIFY_EXIT (!ferror (fp)); |
67 | TEST_COMPARE (fclose (fp), 0); |
68 | if (wcscmp (s1: buffer, s2: expected) != 0) |
69 | FAIL_EXIT1 ("unexpected output: %ls" , buffer); |
70 | free (ptr: buffer); |
71 | } |
72 | |
73 | static int |
74 | do_test (void) |
75 | { |
76 | one_test (message: "no errno" , error_code: -1, |
77 | expected: L"tst-warn-wide: no errno\n" ); |
78 | one_test (message: "no errno" , error_code: -2, |
79 | expected: L"tst-warn-wide: no errno with padding " PADDING "\n" ); |
80 | one_test (message: "with errno" , EAGAIN, |
81 | expected: L"tst-warn-wide: with errno: Resource temporarily unavailable\n" ); |
82 | one_test (message: "with errno" , E2BIG, |
83 | expected: L"tst-warn-wide: with errno with padding " PADDING |
84 | ": Argument list too long\n" ); |
85 | return 0; |
86 | } |
87 | |
88 | #include <support/test-driver.c> |
89 | |