1 // Copyright (c) 2008 The NetBSD Foundation, 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 6 // are met: 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. 12 // 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. 25 26 extern "C" { 27 #include <sys/types.h> 28 #include <sys/wait.h> 29 30 #include <limits.h> 31 #include <signal.h> 32 #include <unistd.h> 33 } 34 35 #include <cerrno> 36 #include <cstdlib> 37 #include <cstring> 38 #include <fstream> 39 #include <ios> 40 #include <iostream> 41 #include <iterator> 42 #include <list> 43 #include <memory> 44 #include <utility> 45 46 #include "atf-c++/check.hpp" 47 #include "atf-c++/detail/application.hpp" 48 #include "atf-c++/detail/auto_array.hpp" 49 #include "atf-c++/detail/env.hpp" 50 #include "atf-c++/detail/exceptions.hpp" 51 #include "atf-c++/detail/fs.hpp" 52 #include "atf-c++/detail/process.hpp" 53 #include "atf-c++/detail/sanity.hpp" 54 #include "atf-c++/detail/text.hpp" 55 56 // ------------------------------------------------------------------------ 57 // Auxiliary functions. 58 // ------------------------------------------------------------------------ 59 60 namespace { 61 62 enum status_check_t { 63 sc_exit, 64 sc_ignore, 65 sc_signal, 66 }; 67 68 struct status_check { 69 status_check_t type; 70 bool negated; 71 int value; 72 73 status_check(const status_check_t& p_type, const bool p_negated, 74 const int p_value) : 75 type(p_type), 76 negated(p_negated), 77 value(p_value) 78 { 79 } 80 }; 81 82 enum output_check_t { 83 oc_ignore, 84 oc_inline, 85 oc_file, 86 oc_empty, 87 oc_match, 88 oc_save 89 }; 90 91 struct output_check { 92 output_check_t type; 93 bool negated; 94 std::string value; 95 96 output_check(const output_check_t& p_type, const bool p_negated, 97 const std::string& p_value) : 98 type(p_type), 99 negated(p_negated), 100 value(p_value) 101 { 102 } 103 }; 104 105 class temp_file : public std::ostream { 106 std::auto_ptr< atf::fs::path > m_path; 107 int m_fd; 108 109 public: 110 temp_file(const char* pattern) : 111 std::ostream(NULL), 112 m_fd(-1) 113 { 114 const atf::fs::path file = atf::fs::path( 115 atf::env::get("TMPDIR", "/tmp")) / pattern; 116 117 atf::auto_array< char > buf(new char[file.str().length() + 1]); 118 std::strcpy(buf.get(), file.c_str()); 119 120 m_fd = ::mkstemp(buf.get()); 121 if (m_fd == -1) 122 throw atf::system_error("atf_check::temp_file::temp_file(" + 123 file.str() + ")", "mkstemp(3) failed", 124 errno); 125 126 m_path.reset(new atf::fs::path(buf.get())); 127 } 128 129 ~temp_file(void) 130 { 131 close(); 132 try { 133 remove(*m_path); 134 } catch (const atf::system_error&) { 135 // Ignore deletion errors. 136 } 137 } 138 139 const atf::fs::path& 140 get_path(void) const 141 { 142 return *m_path; 143 } 144 145 void 146 write(const std::string& text) 147 { 148 if (::write(m_fd, text.c_str(), text.size()) == -1) 149 throw atf::system_error("atf_check", "write(2) failed", errno); 150 } 151 152 void 153 close(void) 154 { 155 if (m_fd != -1) { 156 flush(); 157 ::close(m_fd); 158 m_fd = -1; 159 } 160 } 161 }; 162 163 } // anonymous namespace 164 165 static int 166 parse_exit_code(const std::string& str) 167 { 168 try { 169 const int value = atf::text::to_type< int >(str); 170 if (value < 0 || value > 255) 171 throw std::runtime_error("Unused reason"); 172 return value; 173 } catch (const std::runtime_error&) { 174 throw atf::application::usage_error("Invalid exit code for -s option; " 175 "must be an integer in range 0-255"); 176 } 177 } 178 179 static struct name_number { 180 const char *name; 181 int signo; 182 } signal_names_to_numbers[] = { 183 { "hup", SIGHUP }, 184 { "int", SIGINT }, 185 { "quit", SIGQUIT }, 186 { "trap", SIGTRAP }, 187 { "abrt", SIGABRT }, 188 { "kill", SIGKILL }, 189 { "segv", SIGSEGV }, 190 { "pipe", SIGPIPE }, 191 { "alrm", SIGALRM }, 192 { "term", SIGTERM }, 193 { "usr1", SIGUSR1 }, 194 { "usr2", SIGUSR2 }, 195 { NULL, INT_MIN }, 196 }; 197 198 static int 199 signal_name_to_number(const std::string& str) 200 { 201 struct name_number* iter = signal_names_to_numbers; 202 int signo = INT_MIN; 203 while (signo == INT_MIN && iter->name != NULL) { 204 if (str == iter->name || str == std::string("sig") + iter->name) 205 signo = iter->signo; 206 else 207 iter++; 208 } 209 return signo; 210 } 211 212 static int 213 parse_signal(const std::string& str) 214 { 215 const int signo = signal_name_to_number(str); 216 if (signo == INT_MIN) { 217 try { 218 return atf::text::to_type< int >(str); 219 } catch (std::runtime_error) { 220 throw atf::application::usage_error("Invalid signal name or number " 221 "in -s option"); 222 } 223 } 224 INV(signo != INT_MIN); 225 return signo; 226 } 227 228 static status_check 229 parse_status_check_arg(const std::string& arg) 230 { 231 const std::string::size_type delimiter = arg.find(':'); 232 bool negated = (arg.compare(0, 4, "not-") == 0); 233 const std::string action_str = arg.substr(0, delimiter); 234 const std::string action = negated ? action_str.substr(4) : action_str; 235 const std::string value_str = ( 236 delimiter == std::string::npos ? "" : arg.substr(delimiter + 1)); 237 int value; 238 239 status_check_t type; 240 if (action == "eq") { 241 // Deprecated; use exit instead. TODO: Remove after 0.10. 242 type = sc_exit; 243 if (negated) 244 throw atf::application::usage_error("Cannot negate eq checker"); 245 negated = false; 246 value = parse_exit_code(value_str); 247 } else if (action == "exit") { 248 type = sc_exit; 249 if (value_str.empty()) 250 value = INT_MIN; 251 else 252 value = parse_exit_code(value_str); 253 } else if (action == "ignore") { 254 if (negated) 255 throw atf::application::usage_error("Cannot negate ignore checker"); 256 type = sc_ignore; 257 value = INT_MIN; 258 } else if (action == "ne") { 259 // Deprecated; use not-exit instead. TODO: Remove after 0.10. 260 type = sc_exit; 261 if (negated) 262 throw atf::application::usage_error("Cannot negate ne checker"); 263 negated = true; 264 value = parse_exit_code(value_str); 265 } else if (action == "signal") { 266 type = sc_signal; 267 if (value_str.empty()) 268 value = INT_MIN; 269 else 270 value = parse_signal(value_str); 271 } else 272 throw atf::application::usage_error("Invalid status checker"); 273 274 return status_check(type, negated, value); 275 } 276 277 static 278 output_check 279 parse_output_check_arg(const std::string& arg) 280 { 281 const std::string::size_type delimiter = arg.find(':'); 282 const bool negated = (arg.compare(0, 4, "not-") == 0); 283 const std::string action_str = arg.substr(0, delimiter); 284 const std::string action = negated ? action_str.substr(4) : action_str; 285 286 output_check_t type; 287 if (action == "empty") 288 type = oc_empty; 289 else if (action == "file") 290 type = oc_file; 291 else if (action == "ignore") { 292 if (negated) 293 throw atf::application::usage_error("Cannot negate ignore checker"); 294 type = oc_ignore; 295 } else if (action == "inline") 296 type = oc_inline; 297 else if (action == "match") 298 type = oc_match; 299 else if (action == "save") { 300 if (negated) 301 throw atf::application::usage_error("Cannot negate save checker"); 302 type = oc_save; 303 } else 304 throw atf::application::usage_error("Invalid output checker"); 305 306 return output_check(type, negated, arg.substr(delimiter + 1)); 307 } 308 309 static 310 std::string 311 flatten_argv(char* const* argv) 312 { 313 std::string cmdline; 314 315 char* const* arg = &argv[0]; 316 while (*arg != NULL) { 317 if (arg != &argv[0]) 318 cmdline += ' '; 319 320 cmdline += *arg; 321 322 arg++; 323 } 324 325 return cmdline; 326 } 327 328 static 329 std::auto_ptr< atf::check::check_result > 330 execute(const char* const* argv) 331 { 332 // TODO: This should go to stderr... but fixing it now may be hard as test 333 // cases out there might be relying on stderr being silent. 334 std::cout << "Executing command [ "; 335 for (int i = 0; argv[i] != NULL; ++i) 336 std::cout << argv[i] << " "; 337 std::cout << "]\n"; 338 std::cout.flush(); 339 340 atf::process::argv_array argva(argv); 341 return atf::check::exec(argva); 342 } 343 344 static 345 std::auto_ptr< atf::check::check_result > 346 execute_with_shell(char* const* argv) 347 { 348 const std::string cmd = flatten_argv(argv); 349 350 const char* sh_argv[4]; 351 sh_argv[0] = atf::env::get("ATF_SHELL", ATF_SHELL).c_str(); 352 sh_argv[1] = "-c"; 353 sh_argv[2] = cmd.c_str(); 354 sh_argv[3] = NULL; 355 return execute(sh_argv); 356 } 357 358 static 359 void 360 cat_file(const atf::fs::path& path) 361 { 362 std::ifstream stream(path.c_str()); 363 if (!stream) 364 throw std::runtime_error("Failed to open " + path.str()); 365 366 stream >> std::noskipws; 367 std::istream_iterator< char > begin(stream), end; 368 std::ostream_iterator< char > out(std::cerr); 369 std::copy(begin, end, out); 370 371 stream.close(); 372 } 373 374 static 375 bool 376 grep_file(const atf::fs::path& path, const std::string& regexp) 377 { 378 std::ifstream stream(path.c_str()); 379 if (!stream) 380 throw std::runtime_error("Failed to open " + path.str()); 381 382 bool found = false; 383 384 std::string line; 385 while (!found && !std::getline(stream, line).fail()) { 386 if (atf::text::match(line, regexp)) 387 found = true; 388 } 389 390 stream.close(); 391 392 return found; 393 } 394 395 static 396 bool 397 file_empty(const atf::fs::path& p) 398 { 399 atf::fs::file_info f(p); 400 401 return (f.get_size() == 0); 402 } 403 404 static bool 405 compare_files(const atf::fs::path& p1, const atf::fs::path& p2) 406 { 407 bool equal = false; 408 409 std::ifstream f1(p1.c_str()); 410 if (!f1) 411 throw std::runtime_error("Failed to open " + p1.str()); 412 413 std::ifstream f2(p2.c_str()); 414 if (!f2) 415 throw std::runtime_error("Failed to open " + p1.str()); 416 417 for (;;) { 418 char buf1[512], buf2[512]; 419 420 f1.read(buf1, sizeof(buf1)); 421 if (f1.bad()) 422 throw std::runtime_error("Failed to read from " + p1.str()); 423 424 f2.read(buf2, sizeof(buf2)); 425 if (f2.bad()) 426 throw std::runtime_error("Failed to read from " + p1.str()); 427 428 if ((f1.gcount() == 0) && (f2.gcount() == 0)) { 429 equal = true; 430 break; 431 } 432 433 if ((f1.gcount() != f2.gcount()) || 434 (std::memcmp(buf1, buf2, f1.gcount()) != 0)) { 435 break; 436 } 437 } 438 439 return equal; 440 } 441 442 static 443 void 444 print_diff(const atf::fs::path& p1, const atf::fs::path& p2) 445 { 446 const atf::process::status s = 447 atf::process::exec(atf::fs::path("diff"), 448 atf::process::argv_array("diff", "-u", p1.c_str(), 449 p2.c_str(), NULL), 450 atf::process::stream_connect(STDOUT_FILENO, 451 STDERR_FILENO), 452 atf::process::stream_inherit()); 453 454 if (!s.exited()) 455 std::cerr << "Failed to run diff(3)\n"; 456 457 if (s.exitstatus() != 1) 458 std::cerr << "Error while running diff(3)\n"; 459 } 460 461 static 462 std::string 463 decode(const std::string& s) 464 { 465 size_t i; 466 std::string res; 467 468 res.reserve(s.length()); 469 470 i = 0; 471 while (i < s.length()) { 472 char c = s[i++]; 473 474 if (c == '\\') { 475 switch (s[i++]) { 476 case 'a': c = '\a'; break; 477 case 'b': c = '\b'; break; 478 case 'c': break; 479 case 'e': c = 033; break; 480 case 'f': c = '\f'; break; 481 case 'n': c = '\n'; break; 482 case 'r': c = '\r'; break; 483 case 't': c = '\t'; break; 484 case 'v': c = '\v'; break; 485 case '\\': break; 486 case '0': 487 { 488 int count = 3; 489 c = 0; 490 while (--count >= 0 && (unsigned)(s[i] - '0') < 8) 491 c = (c << 3) + (s[i++] - '0'); 492 break; 493 } 494 default: 495 --i; 496 break; 497 } 498 } 499 500 res.push_back(c); 501 } 502 503 return res; 504 } 505 506 static 507 bool 508 run_status_check(const status_check& sc, const atf::check::check_result& cr) 509 { 510 bool result; 511 512 if (sc.type == sc_exit) { 513 if (cr.exited() && sc.value != INT_MIN) { 514 const int status = cr.exitcode(); 515 516 if (!sc.negated && sc.value != status) { 517 std::cerr << "Fail: incorrect exit status: " 518 << status << ", expected: " 519 << sc.value << "\n"; 520 result = false; 521 } else if (sc.negated && sc.value == status) { 522 std::cerr << "Fail: incorrect exit status: " 523 << status << ", expected: " 524 << "anything else\n"; 525 result = false; 526 } else 527 result = true; 528 } else if (cr.exited() && sc.value == INT_MIN) { 529 result = true; 530 } else { 531 std::cerr << "Fail: program did not exit cleanly\n"; 532 result = false; 533 } 534 } else if (sc.type == sc_ignore) { 535 result = true; 536 } else if (sc.type == sc_signal) { 537 if (cr.signaled() && sc.value != INT_MIN) { 538 const int status = cr.termsig(); 539 540 if (!sc.negated && sc.value != status) { 541 std::cerr << "Fail: incorrect signal received: " 542 << status << ", expected: " << sc.value << "\n"; 543 result = false; 544 } else if (sc.negated && sc.value == status) { 545 std::cerr << "Fail: incorrect signal received: " 546 << status << ", expected: " 547 << "anything else\n"; 548 result = false; 549 } else 550 result = true; 551 } else if (cr.signaled() && sc.value == INT_MIN) { 552 result = true; 553 } else { 554 std::cerr << "Fail: program did not receive a signal\n"; 555 result = false; 556 } 557 } else { 558 UNREACHABLE; 559 result = false; 560 } 561 562 if (result == false) { 563 std::cerr << "stdout:\n"; 564 cat_file(atf::fs::path(cr.stdout_path())); 565 std::cerr << "\n"; 566 567 std::cerr << "stderr:\n"; 568 cat_file(atf::fs::path(cr.stderr_path())); 569 std::cerr << "\n"; 570 } 571 572 return result; 573 } 574 575 static 576 bool 577 run_status_checks(const std::vector< status_check >& checks, 578 const atf::check::check_result& result) 579 { 580 bool ok = false; 581 582 for (std::vector< status_check >::const_iterator iter = checks.begin(); 583 !ok && iter != checks.end(); iter++) { 584 ok |= run_status_check(*iter, result); 585 } 586 587 return ok; 588 } 589 590 static 591 bool 592 run_output_check(const output_check oc, const atf::fs::path& path, 593 const std::string& stdxxx) 594 { 595 bool result; 596 597 if (oc.type == oc_empty) { 598 const bool is_empty = file_empty(path); 599 if (!oc.negated && !is_empty) { 600 std::cerr << "Fail: " << stdxxx << " not empty\n"; 601 print_diff(atf::fs::path("/dev/null"), path); 602 result = false; 603 } else if (oc.negated && is_empty) { 604 std::cerr << "Fail: " << stdxxx << " is empty\n"; 605 result = false; 606 } else 607 result = true; 608 } else if (oc.type == oc_file) { 609 const bool equals = compare_files(path, atf::fs::path(oc.value)); 610 if (!oc.negated && !equals) { 611 std::cerr << "Fail: " << stdxxx << " does not match golden " 612 "output\n"; 613 print_diff(atf::fs::path(oc.value), path); 614 result = false; 615 } else if (oc.negated && equals) { 616 std::cerr << "Fail: " << stdxxx << " matches golden output\n"; 617 cat_file(atf::fs::path(oc.value)); 618 result = false; 619 } else 620 result = true; 621 } else if (oc.type == oc_ignore) { 622 result = true; 623 } else if (oc.type == oc_inline) { 624 temp_file temp("atf-check.XXXXXX"); 625 temp.write(decode(oc.value)); 626 temp.close(); 627 628 const bool equals = compare_files(path, temp.get_path()); 629 if (!oc.negated && !equals) { 630 std::cerr << "Fail: " << stdxxx << " does not match expected " 631 "value\n"; 632 print_diff(temp.get_path(), path); 633 result = false; 634 } else if (oc.negated && equals) { 635 std::cerr << "Fail: " << stdxxx << " matches expected value\n"; 636 cat_file(temp.get_path()); 637 result = false; 638 } else 639 result = true; 640 } else if (oc.type == oc_match) { 641 const bool matches = grep_file(path, oc.value); 642 if (!oc.negated && !matches) { 643 std::cerr << "Fail: regexp " + oc.value + " not in " << stdxxx 644 << "\n"; 645 cat_file(path); 646 result = false; 647 } else if (oc.negated && matches) { 648 std::cerr << "Fail: regexp " + oc.value + " is in " << stdxxx 649 << "\n"; 650 cat_file(path); 651 result = false; 652 } else 653 result = true; 654 } else if (oc.type == oc_save) { 655 INV(!oc.negated); 656 std::ifstream ifs(path.c_str(), std::fstream::binary); 657 ifs >> std::noskipws; 658 std::istream_iterator< char > begin(ifs), end; 659 660 std::ofstream ofs(oc.value.c_str(), std::fstream::binary 661 | std::fstream::trunc); 662 std::ostream_iterator <char> obegin(ofs); 663 664 std::copy(begin, end, obegin); 665 result = true; 666 } else { 667 UNREACHABLE; 668 result = false; 669 } 670 671 return result; 672 } 673 674 static 675 bool 676 run_output_checks(const std::vector< output_check >& checks, 677 const atf::fs::path& path, const std::string& stdxxx) 678 { 679 bool ok = true; 680 681 for (std::vector< output_check >::const_iterator iter = checks.begin(); 682 iter != checks.end(); iter++) { 683 ok &= run_output_check(*iter, path, stdxxx); 684 } 685 686 return ok; 687 } 688 689 // ------------------------------------------------------------------------ 690 // The "atf_check" application. 691 // ------------------------------------------------------------------------ 692 693 namespace { 694 695 class atf_check : public atf::application::app { 696 bool m_xflag; 697 698 std::vector< status_check > m_status_checks; 699 std::vector< output_check > m_stdout_checks; 700 std::vector< output_check > m_stderr_checks; 701 702 static const char* m_description; 703 704 bool run_output_checks(const atf::check::check_result&, 705 const std::string&) const; 706 707 std::string specific_args(void) const; 708 options_set specific_options(void) const; 709 void process_option(int, const char*); 710 void process_option_s(const std::string&); 711 712 public: 713 atf_check(void); 714 int main(void); 715 }; 716 717 } // anonymous namespace 718 719 const char* atf_check::m_description = 720 "atf-check executes given command and analyzes its results."; 721 722 atf_check::atf_check(void) : 723 app(m_description, "atf-check(1)"), 724 m_xflag(false) 725 { 726 } 727 728 bool 729 atf_check::run_output_checks(const atf::check::check_result& r, 730 const std::string& stdxxx) 731 const 732 { 733 if (stdxxx == "stdout") { 734 return ::run_output_checks(m_stdout_checks, 735 atf::fs::path(r.stdout_path()), "stdout"); 736 } else if (stdxxx == "stderr") { 737 return ::run_output_checks(m_stderr_checks, 738 atf::fs::path(r.stderr_path()), "stderr"); 739 } else { 740 UNREACHABLE; 741 return false; 742 } 743 } 744 745 std::string 746 atf_check::specific_args(void) 747 const 748 { 749 return "<command>"; 750 } 751 752 atf_check::options_set 753 atf_check::specific_options(void) 754 const 755 { 756 using atf::application::option; 757 options_set opts; 758 759 opts.insert(option('s', "qual:value", "Handle status. Qualifier " 760 "must be one of: ignore exit:<num> signal:<name|num>")); 761 opts.insert(option('o', "action:arg", "Handle stdout. Action must be " 762 "one of: empty ignore file:<path> inline:<val> match:regexp " 763 "save:<path>")); 764 opts.insert(option('e', "action:arg", "Handle stderr. Action must be " 765 "one of: empty ignore file:<path> inline:<val> match:regexp " 766 "save:<path>")); 767 opts.insert(option('x', "", "Execute command as a shell command")); 768 769 return opts; 770 } 771 772 void 773 atf_check::process_option(int ch, const char* arg) 774 { 775 switch (ch) { 776 case 's': 777 m_status_checks.push_back(parse_status_check_arg(arg)); 778 break; 779 780 case 'o': 781 m_stdout_checks.push_back(parse_output_check_arg(arg)); 782 break; 783 784 case 'e': 785 m_stderr_checks.push_back(parse_output_check_arg(arg)); 786 break; 787 788 case 'x': 789 m_xflag = true; 790 break; 791 792 default: 793 UNREACHABLE; 794 } 795 } 796 797 int 798 atf_check::main(void) 799 { 800 if (m_argc < 1) 801 throw atf::application::usage_error("No command specified"); 802 803 int status = EXIT_FAILURE; 804 805 std::auto_ptr< atf::check::check_result > r = 806 m_xflag ? execute_with_shell(m_argv) : execute(m_argv); 807 808 if (m_status_checks.empty()) 809 m_status_checks.push_back(status_check(sc_exit, false, EXIT_SUCCESS)); 810 else if (m_status_checks.size() > 1) { 811 // TODO: Remove this restriction. 812 throw atf::application::usage_error("Cannot specify -s more than once"); 813 } 814 815 if (m_stdout_checks.empty()) 816 m_stdout_checks.push_back(output_check(oc_empty, false, "")); 817 if (m_stderr_checks.empty()) 818 m_stderr_checks.push_back(output_check(oc_empty, false, "")); 819 820 if ((run_status_checks(m_status_checks, *r) == false) || 821 (run_output_checks(*r, "stderr") == false) || 822 (run_output_checks(*r, "stdout") == false)) 823 status = EXIT_FAILURE; 824 else 825 status = EXIT_SUCCESS; 826 827 return status; 828 } 829 830 int 831 main(int argc, char* const* argv) 832 { 833 return atf_check().run(argc, argv); 834 } 835