1 /* Test of getcwd function.
2 Copyright (C) 2000, 2002 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
25 #include <sys/param.h>
28 #define TEST_FUNCTION do_test ()
32 char thepath
[4096]; /* Yes, this limits the environment this test
33 can run it but I honestly don't care about
34 people which have this problem. */
40 if (getcwd (thepath
, sizeof thepath
) == NULL
)
43 /* The path is too long, skip all tests. */
46 puts ("getcwd (thepath, sizeof thepath) failed");
49 len
= strlen (thepath
);
55 for (i
= 0; i
< 4; ++i
)
58 bufs
[i
] = (char *) malloc (sbs
);
61 bufs
[i
] = getcwd (NULL
, sbs
);
65 puts ("getcwd (NULL, sbs) failed");
70 for (; i
< 10; sbs
>>= 1, ++i
)
72 bufs
[i
] = (char *) malloc (MAX (1, sbs
));
76 /* Before we test the result write something in the memory to see
77 whether the allocation went right. */
78 for (i
= 0; i
< 10; ++i
)
79 if (i
!= 4 && bufs
[i
] != NULL
)
80 memset (bufs
[i
], '\xff', lens
[i
]);
82 if (strcmp (thepath
, bufs
[4]) != 0)
85 getcwd (NULL, sbs) = \"%s\", getcwd (thepath, sizeof thepath) = \"%s\"\n",
90 /* Now overwrite all buffers to see that getcwd allocated the buffer
92 for (i
= 0; i
< 10; ++i
)
93 memset (bufs
[i
], i
, lens
[i
]);
95 for (i
= 0; i
< 10; ++i
)
98 /* Test whether the function signals success despite the buffer
100 if (getcwd (NULL
, len
) != NULL
)
102 puts ("getcwd (NULL, len) didn't failed");
106 bufs
[0] = malloc (len
);
107 bufs
[1] = malloc (len
);
108 bufs
[2] = malloc (len
);
111 if (getcwd (bufs
[1], len
) != NULL
)
113 puts ("getcwd (bufs[1], len) didn't failed");
121 memset (thepath
, '\xfe', sizeof (thepath
));
122 if (getcwd (thepath
, len
) != NULL
)
124 puts ("getcwd (thepath, len) didn't failed");
128 for (i
= len
; i
< sizeof thepath
; ++i
)
129 if (thepath
[i
] != '\xfe')
131 puts ("thepath[i] != '\xfe'");
135 /* Now test handling of correctly sized buffers. */
136 bufs
[0] = getcwd (NULL
, len
+ 1);
139 puts ("getcwd (NULL, len + 1) failed");
144 memset (thepath
, '\xff', sizeof thepath
);
145 if (getcwd (thepath
, len
+ 1) == NULL
)
147 puts ("getcwd (thepath, len + 1) failed");
151 for (i
= len
+ 1; i
< sizeof thepath
; ++i
)
152 if (thepath
[i
] != '\xff')
154 printf ("thepath[%zd] != '\xff'\n", i
);
158 puts ("everything OK");
163 #include "../test-skeleton.c"