glibc/support/tst-support_quote_blob.c

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/* Test the support_quote_blob function.
Copyright (C) 2018-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <support/check.h>
#include <support/support.h>
#include <string.h>
#include <stdlib.h>
static int
do_test (void)
{
/* Check handling of the empty blob, both with and without trailing
NUL byte. */
char *p = support_quote_blob ("", 0);
TEST_COMPARE (strlen (p), 0);
free (p);
p = support_quote_blob ("X", 0);
TEST_COMPARE (strlen (p), 0);
free (p);
/* Check escaping of backslash-escaped characters, and lack of
escaping for other shell meta-characters. */
p = support_quote_blob ("$()*?`@[]{}~\'\"X", 14);
TEST_COMPARE (strcmp (p, "$()*?`@[]{}~\\'\\\""), 0);
free (p);
/* Check lack of escaping for letters and digits. */
#define LETTERS_AND_DIGTS \
"abcdefghijklmnopqrstuvwxyz" \
"ABCDEFGHIJKLMNOPQRSTUVWXYZ" \
"0123456789"
p = support_quote_blob (LETTERS_AND_DIGTS "@", 2 * 26 + 10);
TEST_COMPARE (strcmp (p, LETTERS_AND_DIGTS), 0);
free (p);
/* Check escaping of control characters and other non-printable
characters. */
p = support_quote_blob ("\r\n\t\a\b\f\v\1\177\200\377\0@", 14);
TEST_COMPARE (strcmp (p, "\\r\\n\\t\\a\\b\\f\\v\\001"
"\\177\\200\\377\\000@\\000"), 0);
free (p);
return 0;
}
#include <support/test-driver.c>