1/*-
2 * Copyright (c) 2001 Wes Peters <wes@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29#include <assert.h>
30#include <errno.h>
31#include <limits.h>
32#include <stdio.h>
33#include <stdlib.h>
34#include <string.h>
35
36static int test_count = 1;
37static int exit_status = EXIT_SUCCESS;
38
39#define CHECK(x) \
40	do { \
41		if (x) { \
42			printf("ok %d\n", test_count); \
43		} else { \
44			printf("not ok %d # %s\n", test_count, #x); \
45			exit_status = EXIT_FAILURE; \
46		} \
47		++test_count; \
48	} while (0)
49
50int
51main(void)
52{
53	char buf[64];
54	char *sret;
55	int iret;
56
57	printf("1..27\n");
58
59	/*
60	 * strerror() failure tests.
61	 */
62	errno = 0;
63	sret = strerror(INT_MAX);
64	snprintf(buf, sizeof(buf), "Unknown error: %d", INT_MAX);
65	CHECK(strcmp(sret, buf) == 0);
66	CHECK(errno == EINVAL);
67
68	/*
69	 * strerror() success tests.
70	 */
71	errno = 0;
72	sret = strerror(0);
73	CHECK(strcmp(sret, "No error: 0") == 0);
74	CHECK(errno == 0);
75
76	errno = 0;
77	sret = strerror(EPERM);
78	CHECK(strcmp(sret, "Operation not permitted") == 0);
79	CHECK(errno == 0);
80
81	errno = 0;
82	sret = strerror(EPFNOSUPPORT);
83	CHECK(strcmp(sret, "Protocol family not supported") == 0);
84	CHECK(errno == 0);
85
86	errno = 0;
87	sret = strerror(ELAST);
88	CHECK(errno == 0);
89
90	/*
91	 * strerror_r() failure tests.
92	 */
93	memset(buf, '*', sizeof(buf));
94	iret = strerror_r(-1, buf, sizeof(buf));
95	CHECK(strcmp(buf, "Unknown error: -1") == 0);
96	CHECK(iret == EINVAL);
97
98	memset(buf, '*', sizeof(buf));
99	/* One byte too short. */
100	iret = strerror_r(EPERM, buf, strlen("Operation not permitted"));
101	CHECK(strcmp(buf, "Operation not permitte") == 0);
102	CHECK(iret == ERANGE);
103
104	memset(buf, '*', sizeof(buf));
105	/* One byte too short. */
106	iret = strerror_r(-1, buf, strlen("Unknown error: -1"));
107	CHECK(strcmp(buf, "Unknown error: -") == 0);
108	CHECK(iret == EINVAL);
109
110	memset(buf, '*', sizeof(buf));
111	/* Two bytes too short. */
112	iret = strerror_r(-2, buf, strlen("Unknown error: -2") - 1);
113	CHECK(strcmp(buf, "Unknown error: ") == 0);
114	CHECK(iret == EINVAL);
115
116	memset(buf, '*', sizeof(buf));
117	/* Three bytes too short. */
118	iret = strerror_r(-2, buf, strlen("Unknown error: -2") - 2);
119	CHECK(strcmp(buf, "Unknown error:") == 0);
120	CHECK(iret == EINVAL);
121
122	memset(buf, '*', sizeof(buf));
123	/* One byte too short. */
124	iret = strerror_r(12345, buf, strlen("Unknown error: 12345"));
125	CHECK(strcmp(buf, "Unknown error: 1234") == 0);
126	CHECK(iret == EINVAL);
127
128	/*
129	 * strerror_r() success tests.
130	 */
131	memset(buf, '*', sizeof(buf));
132	iret = strerror_r(0, buf, sizeof(buf));
133	CHECK(strcmp(buf, "No error: 0") == 0);
134	CHECK(iret == 0);
135
136	memset(buf, '*', sizeof(buf));
137	iret = strerror_r(EDEADLK, buf, sizeof(buf));
138	CHECK(strcmp(buf, "Resource deadlock avoided") == 0);
139	CHECK(iret == 0);
140
141	memset(buf, '*', sizeof(buf));
142	iret = strerror_r(EPROCLIM, buf, sizeof(buf));
143	CHECK(strcmp(buf, "Too many processes") == 0);
144	CHECK(iret == 0);
145
146	return exit_status;
147}
148