1 /* Test the support_quote_string 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 
24 static int
do_test(void)25 do_test (void)
26 {
27   char *p = support_quote_string ("");
28   TEST_COMPARE (strlen (p), 0);
29   free (p);
30   p = support_quote_string ("X");
31   TEST_COMPARE (strlen (p), 1);
32   TEST_COMPARE (p[0], 'X');
33   free (p);
34 
35   /* Check escaping of backslash-escaped characters, and lack of
36      escaping for other shell meta-characters.  */
37   p = support_quote_string ("$()*?`@[]{}~\'\"X");
38   TEST_COMPARE (strcmp (p, "$()*?`@[]{}~\\'\\\"X"), 0);
39   free (p);
40 
41   /* Check lack of escaping for letters and digits.  */
42 #define LETTERS_AND_DIGTS                       \
43   "abcdefghijklmnopqrstuvwxyz"                  \
44   "ABCDEFGHIJKLMNOPQRSTUVWXYZ"                  \
45   "0123456789"
46   p = support_quote_string (LETTERS_AND_DIGTS "@");
47   TEST_COMPARE (strcmp (p, LETTERS_AND_DIGTS "@"), 0);
48   free (p);
49 
50   /* Check escaping of control characters and other non-printable
51      characters.  */
52   p = support_quote_string ("\r\n\t\a\b\f\v\1\177\200\377@");
53   TEST_COMPARE (strcmp (p, "\\r\\n\\t\\a\\b\\f\\v\\001"
54                         "\\177\\200\\377@"), 0);
55   free (p);
56 
57   return 0;
58 }
59 
60 #include <support/test-driver.c>
61