1/* Test the support_quote_blob function.
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 <support/check.h>
20#include <support/support.h>
21#include <string.h>
22#include <stdlib.h>
23
24static int
25do_test (void)
26{
27 /* Check handling of the empty blob, both with and without trailing
28 NUL byte. */
29 char *p = support_quote_blob (blob: "", length: 0);
30 TEST_COMPARE (strlen (p), 0);
31 free (ptr: p);
32 p = support_quote_blob (blob: "X", length: 0);
33 TEST_COMPARE (strlen (p), 0);
34 free (ptr: p);
35
36 /* Check escaping of backslash-escaped characters, and lack of
37 escaping for other shell meta-characters. */
38 p = support_quote_blob (blob: "$()*?`@[]{}~\'\"X", length: 14);
39 TEST_COMPARE (strcmp (p, "$()*?`@[]{}~\\'\\\""), 0);
40 free (ptr: p);
41
42 /* Check lack of escaping for letters and digits. */
43#define LETTERS_AND_DIGTS \
44 "abcdefghijklmnopqrstuvwxyz" \
45 "ABCDEFGHIJKLMNOPQRSTUVWXYZ" \
46 "0123456789"
47 p = support_quote_blob (LETTERS_AND_DIGTS "@", length: 2 * 26 + 10);
48 TEST_COMPARE (strcmp (p, LETTERS_AND_DIGTS), 0);
49 free (ptr: p);
50
51 /* Check escaping of control characters and other non-printable
52 characters. */
53 p = support_quote_blob (blob: "\r\n\t\a\b\f\v\1\177\200\377\0@", length: 14);
54 TEST_COMPARE (strcmp (p, "\\r\\n\\t\\a\\b\\f\\v\\001"
55 "\\177\\200\\377\\000@\\000"), 0);
56 free (ptr: p);
57
58 return 0;
59}
60
61#include <support/test-driver.c>
62

source code of glibc/support/tst-support_quote_blob.c