1 /* Copyright (c) 2008 The NetBSD Foundation, Inc.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
14 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
15 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
20 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
22 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
24 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
26 #include <sys/types.h>
28 #include <assert.h> /* NO_CHECK_STYLE */
37 h_echo(const char *msg)
54 kill(getpid(), SIGKILL);
55 assert(0); /* NO_CHECK_STYLE */
68 h_stdout_stderr(const char *id)
70 fprintf(stdout, "Line 1 to stdout for %s\n", id);
71 fprintf(stdout, "Line 2 to stdout for %s\n", id);
72 fprintf(stderr, "Line 1 to stderr for %s\n", id);
73 fprintf(stderr, "Line 2 to stderr for %s\n", id);
80 check_args(const int argc, const char *const argv[], const int required)
82 if (argc < required) {
83 fprintf(stderr, "Usage: %s helper-name [args]\n", argv[0]);
89 main(int argc, const char *const argv[])
93 check_args(argc, argv, 2);
95 if (strcmp(argv[1], "echo") == 0) {
96 check_args(argc, argv, 3);
97 exitcode = h_echo(argv[2]);
98 } else if (strcmp(argv[1], "exit-failure") == 0)
99 exitcode = h_exit_failure();
100 else if (strcmp(argv[1], "exit-signal") == 0)
101 exitcode = h_exit_signal();
102 else if (strcmp(argv[1], "exit-success") == 0)
103 exitcode = h_exit_success();
104 else if (strcmp(argv[1], "stdout-stderr") == 0) {
105 check_args(argc, argv, 3);
106 exitcode = h_stdout_stderr(argv[2]);
108 fprintf(stderr, "%s: Unknown helper %s\n", argv[0], argv[1]);
109 exitcode = EXIT_FAILURE;