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gnulib/tests/test-wgetcwd-lgpl.c
2026-01-01 10:37:05 -08:00

99 lines
2.5 KiB
C

/* Test of wgetcwd() function.
Copyright (C) 2009-2026 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
#include <wchar.h>
#include "signature.h"
#if defined _WIN32 && !defined __CYGWIN__
SIGNATURE_CHECK (wgetcwd, wchar_t *, (wchar_t *, size_t));
#endif
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include "macros.h"
int
main ()
{
#if defined _WIN32 && !defined __CYGWIN__
wchar_t *pwd1;
wchar_t *pwd2;
pwd1 = wgetcwd (NULL, 0);
ASSERT (pwd1 && *pwd1);
/* Make sure the result is usable. */
ASSERT (_wchdir (pwd1) == 0);
ASSERT (_wchdir (L".//./.") == 0);
/* Make sure that result is normalized. */
pwd2 = wgetcwd (NULL, 0);
ASSERT (pwd2);
ASSERT (wcscmp (pwd1, pwd2) == 0);
free (pwd2);
{
size_t len = wcslen (pwd1);
ssize_t i = len - 10;
if (i < 1)
i = 1;
pwd2 = wgetcwd (NULL, len + 1);
ASSERT (pwd2);
free (pwd2);
pwd2 = malloc ((len + 3) * sizeof (wchar_t));
for ( ; i <= len; i++)
{
wchar_t *tmp;
errno = 0;
ASSERT (wgetcwd (pwd2, i) == NULL);
ASSERT (errno == ERANGE);
/* Allow either glibc or BSD behavior, since POSIX allows both. */
errno = 0;
tmp = wgetcwd (NULL, i);
if (tmp)
{
ASSERT (wcscmp (pwd1, tmp) == 0);
free (tmp);
}
else
{
ASSERT (errno == ERANGE);
}
}
/* The SIZE argument here needs to be len + 3, not len + 1. */
ASSERT (wgetcwd (pwd2, len + 3) == pwd2);
pwd2[len] = L'/';
pwd2[len + 1] = L'\0';
}
ASSERT (wcsstr (pwd2, L"/./") == NULL);
ASSERT (wcsstr (pwd2, L"/../") == NULL);
ASSERT (wcsstr (pwd2 + 1 + (pwd2[1] == L'/'), L"//") == NULL);
/* Validate a POSIX requirement on size. */
errno = 0;
ASSERT (wgetcwd (pwd2, 0) == NULL);
ASSERT (errno == EINVAL);
free (pwd1);
free (pwd2);
#endif
return test_exit_status;
}