external/bsd/bind/dist/unit/atf-src/atf-c/detail/process_helpers.c

   1 /*      $NetBSD: process_helpers.c,v 1.3 2014/12/10 04:38:03 christos Exp $     */
   2
   3 /*
   4  * Automated Testing Framework (atf)
   5  *
   6  * Copyright (c) 2008 The NetBSD Foundation, Inc.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
  19  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  20  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  21  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  22  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
  23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  25  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  27  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  28  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  29  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/types.h>
  33
  34 #include <assert.h> /* NO_CHECK_STYLE */
  35 #include <signal.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <unistd.h>
  40
  41 static
  42 int
  43 h_echo(const char *msg)
  44 {
  45     printf("%s\n", msg);
  46     return EXIT_SUCCESS;
  47 }
  48
  49 static
  50 int
  51 h_exit_failure(void)
  52 {
  53     return EXIT_FAILURE;
  54 }
  55
  56 static
  57 int
  58 h_exit_signal(void)
  59 {
  60     kill(getpid(), SIGKILL);
  61     assert(0); /* NO_CHECK_STYLE */
  62     return EXIT_FAILURE;
  63 }
  64
  65 static
  66 int
  67 h_exit_success(void)
  68 {
  69     return EXIT_SUCCESS;
  70 }
  71
  72 static
  73 int
  74 h_stdout_stderr(const char *id)
  75 {
  76     fprintf(stdout, "Line 1 to stdout for %s\n", id);
  77     fprintf(stdout, "Line 2 to stdout for %s\n", id);
  78     fprintf(stderr, "Line 1 to stderr for %s\n", id);
  79     fprintf(stderr, "Line 2 to stderr for %s\n", id);
  80
  81     return EXIT_SUCCESS;
  82 }
  83
  84 static
  85 void
  86 check_args(const int argc, const char *const argv[], const int required)
  87 {
  88     if (argc < required) {
  89         fprintf(stderr, "Usage: %s helper-name [args]\n", argv[0]);
  90         exit(EXIT_FAILURE);
  91     }
  92 }
  93
  94 int
  95 main(int argc, const char *const argv[])
  96 {
  97     int exitcode;
  98
  99     check_args(argc, argv, 2);
 100
 101     if (strcmp(argv[1], "echo") == 0) {
 102         check_args(argc, argv, 3);
 103         exitcode = h_echo(argv[2]);
 104     } else if (strcmp(argv[1], "exit-failure") == 0)
 105         exitcode = h_exit_failure();
 106     else if (strcmp(argv[1], "exit-signal") == 0)
 107         exitcode = h_exit_signal();
 108     else if (strcmp(argv[1], "exit-success") == 0)
 109         exitcode = h_exit_success();
 110     else if (strcmp(argv[1], "stdout-stderr") == 0) {
 111         check_args(argc, argv, 3);
 112         exitcode = h_stdout_stderr(argv[2]);
 113     } else {
 114         fprintf(stderr, "%s: Unknown helper %s\n", argv[0], argv[1]);
 115         exitcode = EXIT_FAILURE;
 116     }
 117
 118     return exitcode;
 119 }