1 /*
2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24 /**
25 * Tests for fallback implementations of string handling routines
26 * provided in os/ subdirectory for some platforms.
27 */
28
29 #ifdef HAVE_DIX_CONFIG_H
30 #include <dix-config.h>
31 #endif
32
33 #include <assert.h>
34 #include "os.h"
35 #include "tests-common.h"
36
37 /* Ensure we're testing our functions, even on platforms with libc versions */
38 #include <string.h>
39 #undef strndup
40 #define strndup my_strndup
41 char *strndup(const char *str, size_t n);
42
43 #include "../os/strndup.c"
44
45 static void
strndup_checks(void)46 strndup_checks(void)
47 {
48 const char *sample = "0123456789abcdef";
49 char *allofit;
50
51 char *firsthalf = strndup(sample, 8);
52 char *secondhalf = strndup(sample + 8, 8);
53
54 assert(strcmp(firsthalf, "01234567") == 0);
55 assert(strcmp(secondhalf, "89abcdef") == 0);
56
57 free(firsthalf);
58 free(secondhalf);
59
60 allofit = strndup(sample, 20);
61 assert(strcmp(allofit, sample) == 0);
62 free(allofit);
63 }
64
65 int
string_test(void)66 string_test(void)
67 {
68 strndup_checks();
69
70 return 0;
71 }
72