string.c revision 1b5d61b8 
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
41char *strndup(const char *str, size_t n);
42
43#include "../os/strndup.c"
44
45static void
46strndup_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
65int
66string_test(void)
67{
68    strndup_checks();
69
70    return 0;
71}
72