Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "generic_message.h" |
| 18 | #include "printer.h" |
| 19 | |
Joe Onorato | 7669012 | 2016-12-20 08:18:32 -0800 | [diff] [blame] | 20 | #include <frameworks/base/core/proto/android/os/incident.pb.h> |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 21 | #include <google/protobuf/wire_format.h> |
| 22 | #include <google/protobuf/io/coded_stream.h> |
| 23 | #include <google/protobuf/io/zero_copy_stream_impl.h> |
| 24 | |
| 25 | #include <sys/types.h> |
| 26 | #include <sys/stat.h> |
| 27 | #include <sys/wait.h> |
| 28 | #include <errno.h> |
| 29 | #include <fcntl.h> |
| 30 | #include <stdio.h> |
| 31 | #include <string.h> |
| 32 | #include <unistd.h> |
| 33 | |
| 34 | using namespace android::os; |
| 35 | using namespace google::protobuf; |
| 36 | using namespace google::protobuf::io; |
| 37 | using namespace google::protobuf::internal; |
| 38 | |
| 39 | static bool read_message(CodedInputStream* in, Descriptor const* descriptor, |
| 40 | GenericMessage* message); |
| 41 | static void print_message(Out* out, Descriptor const* descriptor, GenericMessage const* message); |
| 42 | |
| 43 | // ================================================================================ |
| 44 | static bool |
| 45 | read_length_delimited(CodedInputStream* in, uint32 fieldId, Descriptor const* descriptor, |
| 46 | GenericMessage* message) |
| 47 | { |
| 48 | uint32 size; |
| 49 | if (!in->ReadVarint32(&size)) { |
| 50 | return false; |
| 51 | } |
| 52 | |
| 53 | FieldDescriptor const* field = descriptor->FindFieldByNumber(fieldId); |
| 54 | if (field != NULL) { |
| 55 | int type = field->type(); |
| 56 | if (type == FieldDescriptor::TYPE_MESSAGE) { |
| 57 | GenericMessage* child = message->addMessage(fieldId); |
| 58 | |
| 59 | CodedInputStream::Limit limit = in->PushLimit(size); |
| 60 | bool rv = read_message(in, field->message_type(), child); |
| 61 | in->PopLimit(limit); |
| 62 | return rv; |
| 63 | } else if (type == FieldDescriptor::TYPE_STRING) { |
| 64 | // TODO: do a version of readstring that just pumps the data |
| 65 | // rather than allocating a string which we don't care about. |
| 66 | string str; |
| 67 | if (in->ReadString(&str, size)) { |
| 68 | message->addString(fieldId, str); |
| 69 | return true; |
| 70 | } else { |
| 71 | return false; |
| 72 | } |
| 73 | } else if (type == FieldDescriptor::TYPE_BYTES) { |
| 74 | // TODO: Save bytes field. |
| 75 | return in->Skip(size); |
| 76 | } |
| 77 | } |
| 78 | return in->Skip(size); |
| 79 | } |
| 80 | |
| 81 | // ================================================================================ |
| 82 | static bool |
| 83 | read_message(CodedInputStream* in, Descriptor const* descriptor, GenericMessage* message) |
| 84 | { |
| 85 | uint32 value32; |
| 86 | uint64 value64; |
| 87 | |
| 88 | while (true) { |
| 89 | uint32 tag = in->ReadTag(); |
| 90 | if (tag == 0) { |
| 91 | return true; |
| 92 | } |
| 93 | int fieldId = WireFormatLite::GetTagFieldNumber(tag); |
| 94 | switch (WireFormatLite::GetTagWireType(tag)) { |
| 95 | case WireFormatLite::WIRETYPE_VARINT: |
| 96 | if (in->ReadVarint64(&value64)) { |
| 97 | message->addInt64(fieldId, value64); |
| 98 | break; |
| 99 | } else { |
| 100 | return false; |
| 101 | } |
| 102 | case WireFormatLite::WIRETYPE_FIXED64: |
| 103 | if (in->ReadLittleEndian64(&value64)) { |
| 104 | message->addInt64(fieldId, value64); |
| 105 | break; |
| 106 | } else { |
| 107 | return false; |
| 108 | } |
| 109 | case WireFormatLite::WIRETYPE_LENGTH_DELIMITED: |
| 110 | if (!read_length_delimited(in, fieldId, descriptor, message)) { |
| 111 | return false; |
| 112 | } |
| 113 | break; |
| 114 | case WireFormatLite::WIRETYPE_FIXED32: |
| 115 | if (in->ReadLittleEndian32(&value32)) { |
| 116 | message->addInt32(fieldId, value32); |
| 117 | break; |
| 118 | } else { |
| 119 | return false; |
| 120 | } |
| 121 | default: |
| 122 | fprintf(stderr, "bad tag: 0x%x (%d) at index %d\n", tag, tag, |
| 123 | in->CurrentPosition()); |
| 124 | return false; |
| 125 | } |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | // ================================================================================ |
| 130 | static void |
| 131 | print_value(Out* out, FieldDescriptor const* field, GenericMessage::Node const& node) |
| 132 | { |
| 133 | uint32_t val32; |
| 134 | FieldDescriptor::Type type = field->type(); |
| 135 | |
| 136 | switch (node.type) { |
| 137 | case GenericMessage::TYPE_VALUE32: |
| 138 | switch (type) { |
| 139 | case FieldDescriptor::TYPE_FIXED32: |
| 140 | out->printf("%u", node.value32); |
| 141 | break; |
| 142 | case FieldDescriptor::TYPE_SFIXED32: |
| 143 | out->printf("%d", node.value32); |
| 144 | break; |
| 145 | case FieldDescriptor::TYPE_FLOAT: |
| 146 | out->printf("%f", *(float*)&node.value32); |
| 147 | break; |
| 148 | default: |
| 149 | out->printf("(unexpected value %d (0x%x)", node.value32, node.value32); |
| 150 | break; |
| 151 | } |
| 152 | break; |
| 153 | case GenericMessage::TYPE_VALUE64: |
| 154 | switch (type) { |
| 155 | case FieldDescriptor::TYPE_FIXED64: |
| 156 | case FieldDescriptor::TYPE_SFIXED64: |
| 157 | case FieldDescriptor::TYPE_DOUBLE: |
| 158 | out->printf("%f", *(double*)&node.value64); |
| 159 | break; |
| 160 | case FieldDescriptor::TYPE_SINT32: |
| 161 | case FieldDescriptor::TYPE_INT32: |
| 162 | val32 = (uint32_t)node.value32; |
| 163 | out->printf("%d", val32); |
| 164 | break; |
| 165 | case FieldDescriptor::TYPE_INT64: |
| 166 | case FieldDescriptor::TYPE_UINT32: |
| 167 | val32 = (uint32_t)node.value32; |
| 168 | out->printf("%u", val32); |
| 169 | break; |
| 170 | case FieldDescriptor::TYPE_UINT64: |
| 171 | case FieldDescriptor::TYPE_SINT64: |
| 172 | case FieldDescriptor::TYPE_BOOL: |
| 173 | if (node.value64) { |
| 174 | out->printf("true"); |
| 175 | } else { |
| 176 | out->printf("false"); |
| 177 | } |
| 178 | break; |
| 179 | case FieldDescriptor::TYPE_ENUM: |
| 180 | default: |
| 181 | out->printf("(unexpected value %ld (0x%x))", node.value64, node.value64); |
| 182 | break; |
| 183 | } |
| 184 | break; |
| 185 | case GenericMessage::TYPE_MESSAGE: |
| 186 | print_message(out, field->message_type(), node.message); |
| 187 | break; |
| 188 | case GenericMessage::TYPE_STRING: |
| 189 | // TODO: custom format for multi-line strings. |
| 190 | out->printf("%s", node.str->c_str()); |
| 191 | break; |
| 192 | case GenericMessage::TYPE_DATA: |
| 193 | out->printf("<bytes>"); |
| 194 | break; |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | static void |
| 199 | print_message(Out* out, Descriptor const* descriptor, GenericMessage const* message) |
| 200 | { |
| 201 | out->printf("%s {\n", descriptor->name().c_str()); |
| 202 | out->indent(); |
| 203 | |
| 204 | int const N = descriptor->field_count(); |
| 205 | for (int i=0; i<N; i++) { |
| 206 | FieldDescriptor const* field = descriptor->field(i); |
| 207 | |
| 208 | int fieldId = field->number(); |
| 209 | bool repeated = field->label() == FieldDescriptor::LABEL_REPEATED; |
| 210 | FieldDescriptor::Type type = field->type(); |
| 211 | GenericMessage::const_iterator_pair it = message->find(fieldId); |
| 212 | |
| 213 | out->printf("%s=", field->name().c_str()); |
| 214 | if (repeated) { |
| 215 | if (it.first != it.second) { |
| 216 | out->printf("["); |
| 217 | if (type == FieldDescriptor::TYPE_MESSAGE |
| 218 | || type == FieldDescriptor::TYPE_STRING |
| 219 | || type == FieldDescriptor::TYPE_BYTES) { |
| 220 | out->printf("\n"); |
| 221 | } |
| 222 | out->indent(); |
| 223 | |
| 224 | for (GenericMessage::const_iterator_pair it = message->find(fieldId); |
| 225 | it.first != it.second; it.first++) { |
| 226 | print_value(out, field, it.first->second); |
| 227 | if (type == FieldDescriptor::TYPE_MESSAGE |
| 228 | || type == FieldDescriptor::TYPE_STRING |
| 229 | || type == FieldDescriptor::TYPE_BYTES) { |
| 230 | out->printf("\n"); |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | out->dedent(); |
| 235 | out->printf("]"); |
| 236 | } else { |
| 237 | out->printf("[]"); |
| 238 | } |
| 239 | } else { |
| 240 | if (it.first != it.second) { |
| 241 | print_value(out, field, it.first->second); |
| 242 | } else { |
| 243 | switch (type) { |
| 244 | case FieldDescriptor::TYPE_BOOL: |
| 245 | out->printf("false"); |
| 246 | break; |
| 247 | case FieldDescriptor::TYPE_STRING: |
| 248 | case FieldDescriptor::TYPE_MESSAGE: |
| 249 | out->printf(""); |
| 250 | break; |
| 251 | case FieldDescriptor::TYPE_ENUM: |
| 252 | out->printf("%s", field->default_value_enum()->name().c_str()); |
| 253 | break; |
| 254 | default: |
| 255 | out->printf("0"); |
| 256 | break; |
| 257 | } |
| 258 | } |
| 259 | } |
| 260 | out->printf("\n"); |
| 261 | } |
| 262 | out->dedent(); |
| 263 | out->printf("}"); |
| 264 | } |
| 265 | |
| 266 | // ================================================================================ |
| 267 | static uint8_t* |
| 268 | write_raw_varint(uint8_t* buf, uint32_t val) |
| 269 | { |
| 270 | uint8_t* p = buf; |
| 271 | while (true) { |
| 272 | if ((val & ~0x7F) == 0) { |
| 273 | *p++ = (uint8_t)val; |
| 274 | return p; |
| 275 | } else { |
| 276 | *p++ = (uint8_t)((val & 0x7F) | 0x80); |
| 277 | val >>= 7; |
| 278 | } |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | static int |
| 283 | write_all(int fd, uint8_t const* buf, size_t size) |
| 284 | { |
| 285 | while (size > 0) { |
| 286 | ssize_t amt = ::write(fd, buf, size); |
| 287 | if (amt < 0) { |
| 288 | return errno; |
| 289 | } |
| 290 | size -= amt; |
| 291 | buf += amt; |
| 292 | } |
| 293 | return 0; |
| 294 | } |
| 295 | |
| 296 | static int |
| 297 | adb_incident_workaround(const char* adbSerial, const vector<string>& sections) |
| 298 | { |
| 299 | const int maxAllowedSize = 20 * 1024 * 1024; // 20MB |
| 300 | uint8_t* buffer = (uint8_t*)malloc(maxAllowedSize); |
| 301 | |
| 302 | for (vector<string>::const_iterator it=sections.begin(); it!=sections.end(); it++) { |
| 303 | Descriptor const* descriptor = IncidentProto::descriptor(); |
| 304 | FieldDescriptor const* field; |
| 305 | |
| 306 | // Get the name and field id. |
| 307 | string name = *it; |
| 308 | char* end; |
| 309 | int id = strtol(name.c_str(), &end, 0); |
| 310 | if (*end == '\0') { |
| 311 | // If it's an id, find out the string. |
| 312 | field = descriptor->FindFieldByNumber(id); |
| 313 | if (field == NULL) { |
| 314 | fprintf(stderr, "Unable to find field number: %d\n", id); |
| 315 | return 1; |
| 316 | } |
| 317 | name = field->name(); |
| 318 | } else { |
| 319 | // If it's a string, find out the id. |
| 320 | field = descriptor->FindFieldByName(name); |
| 321 | if (field == NULL) { |
| 322 | fprintf(stderr, "Unable to find field: %s\n", name.c_str()); |
| 323 | return 1; |
| 324 | } |
| 325 | id = field->number(); |
| 326 | } |
| 327 | |
| 328 | int pfd[2]; |
| 329 | if (pipe(pfd) != 0) { |
| 330 | fprintf(stderr, "pipe failed: %s\n", strerror(errno)); |
| 331 | return 1; |
| 332 | } |
| 333 | |
| 334 | pid_t pid = fork(); |
| 335 | if (pid == -1) { |
| 336 | fprintf(stderr, "fork failed: %s\n", strerror(errno)); |
| 337 | return 1; |
| 338 | } else if (pid == 0) { |
| 339 | // child |
| 340 | dup2(pfd[1], STDOUT_FILENO); |
| 341 | close(pfd[0]); |
| 342 | close(pfd[1]); |
| 343 | |
| 344 | char const** args = (char const**)malloc(sizeof(char*) * 8); |
| 345 | int argpos = 0; |
| 346 | args[argpos++] = "adb"; |
| 347 | if (adbSerial != NULL) { |
| 348 | args[argpos++] = "-s"; |
| 349 | args[argpos++] = adbSerial; |
| 350 | } |
| 351 | args[argpos++] = "shell"; |
| 352 | args[argpos++] = "dumpsys"; |
| 353 | args[argpos++] = name.c_str(); |
| 354 | args[argpos++] = "--proto"; |
| 355 | args[argpos++] = NULL; |
| 356 | execvp(args[0], (char*const*)args); |
| 357 | fprintf(stderr, "execvp failed: %s\n", strerror(errno)); |
| 358 | return 1; |
| 359 | } else { |
| 360 | // parent |
| 361 | close(pfd[1]); |
| 362 | |
| 363 | size_t size = 0; |
| 364 | while (size < maxAllowedSize) { |
| 365 | ssize_t amt = read(pfd[0], buffer + size, maxAllowedSize - size); |
| 366 | if (amt == 0) { |
| 367 | break; |
| 368 | } else if (amt == -1) { |
| 369 | fprintf(stderr, "read error: %s\n", strerror(errno)); |
| 370 | return 1; |
| 371 | } |
| 372 | size += amt; |
| 373 | } |
| 374 | |
| 375 | int status; |
| 376 | do { |
| 377 | waitpid(pid, &status, 0); |
| 378 | } while (!WIFEXITED(status)); |
| 379 | if (WEXITSTATUS(status) != 0) { |
| 380 | return WEXITSTATUS(status); |
| 381 | } |
| 382 | |
| 383 | if (size > 0) { |
| 384 | uint8_t header[20]; |
| 385 | uint8_t* p = write_raw_varint(header, (id << 3) | 2); |
| 386 | p = write_raw_varint(p, size); |
| 387 | int err = write_all(STDOUT_FILENO, header, p-header); |
| 388 | if (err != 0) { |
| 389 | fprintf(stderr, "write error: %s\n", strerror(err)); |
| 390 | return 1; |
| 391 | } |
| 392 | err = write_all(STDOUT_FILENO, buffer, size); |
| 393 | if (err != 0) { |
| 394 | fprintf(stderr, "write error: %s\n", strerror(err)); |
| 395 | return 1; |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | close(pfd[0]); |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | return 0; |
| 404 | } |
| 405 | |
| 406 | // ================================================================================ |
| 407 | static void |
| 408 | usage(FILE* out) |
| 409 | { |
| 410 | fprintf(out, "usage: incident_report -i INPUT [-o OUTPUT]\n"); |
| 411 | fprintf(out, "\n"); |
| 412 | fprintf(out, "Pretty-prints an incident report protobuf file.\n"); |
| 413 | fprintf(out, " -i INPUT the input file. INPUT may be '-' to use stdin\n"); |
| 414 | fprintf(out, " -o OUTPUT the output file. OUTPUT may be '-' or omitted to use stdout\n"); |
| 415 | fprintf(out, "\n"); |
| 416 | fprintf(out, "\n"); |
| 417 | fprintf(out, "usage: incident_report [-o OUTPUT] [-t|b] [-s SERIAL] [SECTION...]\n"); |
| 418 | fprintf(out, "\n"); |
| 419 | fprintf(out, "Take an incident report over adb (which must be in the PATH).\n"); |
| 420 | fprintf(out, " -b output the incident report raw protobuf format\n"); |
| 421 | fprintf(out, " -o OUTPUT the output file. OUTPUT may be '-' or omitted to use stdout\n"); |
| 422 | fprintf(out, " -s SERIAL sent to adb to choose which device, instead of $ANDROID_SERIAL\n"); |
| 423 | fprintf(out, " -t output the incident report in pretty-printed text format\n"); |
| 424 | fprintf(out, "\n"); |
| 425 | fprintf(out, " SECTION which bugreport sections to print, either the int code of the\n"); |
| 426 | fprintf(out, " section in the Incident proto or the field name. If ommited,\n"); |
| 427 | fprintf(out, " the report will contain all fields\n"); |
| 428 | fprintf(out, "\n"); |
| 429 | } |
| 430 | |
| 431 | int |
| 432 | main(int argc, char** argv) |
| 433 | { |
| 434 | enum { OUTPUT_TEXT, OUTPUT_PROTO } outputFormat = OUTPUT_TEXT; |
| 435 | const char* inFilename = NULL; |
| 436 | const char* outFilename = NULL; |
| 437 | const char* adbSerial = NULL; |
| 438 | bool adbIncidentWorkaround = true; |
| 439 | pid_t childPid = -1; |
| 440 | vector<string> sections; |
| 441 | |
| 442 | int opt; |
| 443 | while ((opt = getopt(argc, argv, "bhi:o:s:tw")) != -1) { |
| 444 | switch (opt) { |
| 445 | case 'b': |
| 446 | outputFormat = OUTPUT_PROTO; |
| 447 | break; |
| 448 | case 'i': |
| 449 | inFilename = optarg; |
| 450 | break; |
| 451 | case 'o': |
| 452 | outFilename = optarg; |
| 453 | break; |
| 454 | case 's': |
| 455 | adbSerial = optarg; |
| 456 | break; |
| 457 | case 't': |
| 458 | outputFormat = OUTPUT_TEXT; |
| 459 | break; |
| 460 | case 'h': |
| 461 | usage(stdout); |
| 462 | return 0; |
| 463 | case 'w': |
| 464 | adbIncidentWorkaround = false; |
| 465 | break; |
| 466 | default: |
| 467 | usage(stderr); |
| 468 | return 1; |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | while (optind < argc) { |
| 473 | sections.push_back(argv[optind++]); |
| 474 | } |
| 475 | |
| 476 | int inFd; |
| 477 | if (inFilename != NULL) { |
| 478 | // translate-only mode - oepn the file or use stdin. |
| 479 | if (strcmp("-", inFilename) == 0) { |
| 480 | inFd = STDIN_FILENO; |
| 481 | } else { |
| 482 | inFd = open(inFilename, O_RDONLY | O_CLOEXEC); |
| 483 | if (inFd < 0) { |
| 484 | fprintf(stderr, "unable to open file for read (%s): %s\n", strerror(errno), |
| 485 | inFilename); |
| 486 | return 1; |
| 487 | } |
| 488 | } |
| 489 | } else { |
| 490 | // pipe mode - run adb shell incident ... |
| 491 | int pfd[2]; |
| 492 | if (pipe(pfd) != 0) { |
| 493 | fprintf(stderr, "pipe failed: %s\n", strerror(errno)); |
| 494 | return 1; |
| 495 | } |
| 496 | |
| 497 | childPid = fork(); |
| 498 | if (childPid == -1) { |
| 499 | fprintf(stderr, "fork failed: %s\n", strerror(errno)); |
| 500 | return 1; |
| 501 | } else if (childPid == 0) { |
| 502 | dup2(pfd[1], STDOUT_FILENO); |
| 503 | close(pfd[0]); |
| 504 | close(pfd[1]); |
| 505 | // child |
| 506 | if (adbIncidentWorkaround) { |
| 507 | // TODO: Until the device side incident command is checked in, |
| 508 | // the incident_report builds the outer Incident proto by hand |
| 509 | // from individual adb shell dumpsys <service> --proto calls, |
| 510 | // with a maximum allowed output size. |
| 511 | return adb_incident_workaround(adbSerial, sections); |
| 512 | } |
| 513 | |
| 514 | // TODO: This is what the real implementation will be... |
| 515 | char const** args = (char const**)malloc(sizeof(char*) * (6 + sections.size())); |
| 516 | int argpos = 0; |
| 517 | args[argpos++] = "adb"; |
| 518 | if (adbSerial != NULL) { |
| 519 | args[argpos++] = "-s"; |
| 520 | args[argpos++] = adbSerial; |
| 521 | } |
| 522 | args[argpos++] = "shell"; |
| 523 | args[argpos++] = "incident"; |
| 524 | for (vector<string>::const_iterator it=sections.begin(); it!=sections.end(); it++) { |
| 525 | args[argpos++] = it->c_str(); |
| 526 | } |
| 527 | args[argpos++] = NULL; |
| 528 | execvp(args[0], (char*const*)args); |
| 529 | fprintf(stderr, "execvp failed: %s\n", strerror(errno)); |
| 530 | return 0; |
| 531 | } else { |
| 532 | // parent |
| 533 | inFd = pfd[0]; |
| 534 | close(pfd[1]); |
| 535 | } |
| 536 | } |
| 537 | |
| 538 | int outFd; |
| 539 | if (outFilename == NULL || strcmp("-", outFilename) == 0) { |
| 540 | outFd = STDOUT_FILENO; |
| 541 | } else { |
| 542 | outFd = open(outFilename, O_CREAT | O_RDWR, 0666); |
| 543 | if (outFd < 0) { |
| 544 | fprintf(stderr, "unable to open file for write: %s\n", outFilename); |
| 545 | return 1; |
| 546 | } |
| 547 | } |
| 548 | |
| 549 | GenericMessage message; |
| 550 | |
| 551 | Descriptor const* descriptor = IncidentProto::descriptor(); |
| 552 | FileInputStream infile(inFd); |
| 553 | CodedInputStream in(&infile); |
| 554 | |
| 555 | if (!read_message(&in, descriptor, &message)) { |
| 556 | fprintf(stderr, "unable to read incident\n"); |
| 557 | return 1; |
| 558 | } |
| 559 | |
| 560 | Out out(outFd); |
| 561 | |
| 562 | print_message(&out, descriptor, &message); |
| 563 | out.printf("\n"); |
| 564 | |
| 565 | if (childPid != -1) { |
| 566 | int status; |
| 567 | do { |
| 568 | waitpid(childPid, &status, 0); |
| 569 | } while (!WIFEXITED(status)); |
| 570 | if (WEXITSTATUS(status) != 0) { |
| 571 | return WEXITSTATUS(status); |
| 572 | } |
| 573 | } |
| 574 | |
| 575 | return 0; |
| 576 | } |