string.c revision ed6184df 
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/* Test relies on assert() */
30#undef NDEBUG
31
32#ifdef HAVE_DIX_CONFIG_H
33#include <dix-config.h>
34#endif
35
36#include <assert.h>
37#include "os.h"
38#include "tests-common.h"
39
40/* Ensure we're testing our functions, even on platforms with libc versions */
41#include <string.h>
42#undef strndup
43#define strndup my_strndup
44char *strndup(const char *str, size_t n);
45
46#include "../os/strndup.c"
47
48static void
49strndup_checks(void)
50{
51    const char *sample = "0123456789abcdef";
52    char *allofit;
53
54    char *firsthalf = strndup(sample, 8);
55    char *secondhalf = strndup(sample + 8, 8);
56
57    assert(strcmp(firsthalf, "01234567") == 0);
58    assert(strcmp(secondhalf, "89abcdef") == 0);
59
60    free(firsthalf);
61    free(secondhalf);
62
63    allofit = strndup(sample, 20);
64    assert(strcmp(allofit, sample) == 0);
65    free(allofit);
66}
67
68int
69string_test(void)
70{
71    strndup_checks();
72
73    return 0;
74}
75