1/*
2 * Automated Testing Framework (atf)
3 *
4 * Copyright (c) 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <sys/types.h>
31
32#include <assert.h> /* NO_CHECK_STYLE */
33#include <signal.h>
34#include <stdio.h>
35#include <stdlib.h>
36#include <string.h>
37#include <unistd.h>
38
39static
40int
41h_echo(const char *msg)
42{
43    printf("%s\n", msg);
44    return EXIT_SUCCESS;
45}
46
47static
48int
49h_exit_failure(void)
50{
51    return EXIT_FAILURE;
52}
53
54static
55int
56h_exit_signal(void)
57{
58    kill(getpid(), SIGKILL);
59    assert(0); /* NO_CHECK_STYLE */
60    return EXIT_FAILURE;
61}
62
63static
64int
65h_exit_success(void)
66{
67    return EXIT_SUCCESS;
68}
69
70static
71int
72h_stdout_stderr(const char *id)
73{
74    fprintf(stdout, "Line 1 to stdout for %s\n", id);
75    fprintf(stdout, "Line 2 to stdout for %s\n", id);
76    fprintf(stderr, "Line 1 to stderr for %s\n", id);
77    fprintf(stderr, "Line 2 to stderr for %s\n", id);
78
79    return EXIT_SUCCESS;
80}
81
82static
83void
84check_args(const int argc, const char *const argv[], const int required)
85{
86    if (argc < required) {
87        fprintf(stderr, "Usage: %s helper-name [args]\n", argv[0]);
88        exit(EXIT_FAILURE);
89    }
90}
91
92int
93main(int argc, const char *const argv[])
94{
95    int exitcode;
96
97    check_args(argc, argv, 2);
98
99    if (strcmp(argv[1], "echo") == 0) {
100        check_args(argc, argv, 3);
101        exitcode = h_echo(argv[2]);
102    } else if (strcmp(argv[1], "exit-failure") == 0)
103        exitcode = h_exit_failure();
104    else if (strcmp(argv[1], "exit-signal") == 0)
105        exitcode = h_exit_signal();
106    else if (strcmp(argv[1], "exit-success") == 0)
107        exitcode = h_exit_success();
108    else if (strcmp(argv[1], "stdout-stderr") == 0) {
109        check_args(argc, argv, 3);
110        exitcode = h_stdout_stderr(argv[2]);
111    } else {
112        fprintf(stderr, "%s: Unknown helper %s\n", argv[0], argv[1]);
113        exitcode = EXIT_FAILURE;
114    }
115
116    return exitcode;
117}
118