1 // Copyright 2012 Google Inc.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 // * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 // * 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 // * Neither the name of Google Inc. nor the names of its contributors
14 // may be used to endorse or promote products derived from this software
15 // without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29 #include <err.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <unistd.h>
34
35 #include "defs.h"
36
37
38 /// Exit code to report internal, unexpected errors.
39 static const int EXIT_BOGUS = 123;
40
41
42 /// Test case that always fails.
43 static int
fail_helper(void)44 fail_helper(void)
45 {
46 fprintf(stdout, "First line to stdout\n");
47 fprintf(stderr, "First line to stderr\n");
48 return 78;
49 }
50
51
52 /// Test case that always passes.
53 static int
pass_helper(void)54 pass_helper(void)
55 {
56 fprintf(stdout, "First line to stdout\n");
57 fprintf(stdout, "Second line to stdout\n");
58 fprintf(stderr, "First line to stderr\n");
59 fprintf(stderr, "Second line to stderr\n");
60 return EXIT_SUCCESS;
61 }
62
63
64 /// Test case that always dies due to a signal and dumps core.
65 static int
signal_helper(void)66 signal_helper(void)
67 {
68 fprintf(stderr, "About to die due to SIGABRT!\n");
69 abort();
70 }
71
72
73 /// Test case that sleeps for a long time.
74 static int
sleep_helper(void)75 sleep_helper(void)
76 {
77 sleep(300);
78 return EXIT_FAILURE;
79 }
80
81
82 /// Dispatcher for individual testers based on the HELPER environment variable.
83 ///
84 /// \param argc Number of arguments to the command.
85 /// \param unused_argv Arguments to the command.
86 ///
87 /// \return An exit code.
88 int
main(const int argc,char * const * const KYUA_DEFS_UNUSED_PARAM (argv))89 main(const int argc, char* const* const KYUA_DEFS_UNUSED_PARAM(argv))
90 {
91 if (argc != 1)
92 errx(EXIT_BOGUS, "No arguments allowed");
93
94 const char* helper_name = getenv("HELPER");
95 if (helper_name == NULL) {
96 errx(EXIT_BOGUS, "Must set HELPER to the name of the desired helper");
97 }
98
99 if (strcmp(helper_name, "fail") == 0) {
100 return fail_helper();
101 } else if (strcmp(helper_name, "pass") == 0) {
102 return pass_helper();
103 } else if (strcmp(helper_name, "signal") == 0) {
104 return signal_helper();
105 } else if (strcmp(helper_name, "sleep") == 0) {
106 return sleep_helper();
107 } else {
108 errx(EXIT_BOGUS, "Unknown helper '%s'", helper_name);
109 }
110 }
111