1 /* 2 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #include "precompiled.hpp" 25 26 #ifdef _WINDOWS 27 28 #include "runtime/os.hpp" 29 #include "runtime/flags/flagSetting.hpp" 30 #include "runtime/globals_extension.hpp" 31 #include "unittest.hpp" 32 33 namespace { 34 class MemoryReleaser { 35 char* const _ptr; 36 const size_t _size; 37 public: 38 MemoryReleaser(char* ptr, size_t size) : _ptr(ptr), _size(size) { } 39 ~MemoryReleaser() { 40 os::release_memory_special(_ptr, _size); 41 } 42 }; 43 } 44 45 // test tries to allocate memory in a single contiguous memory block at a particular address. 46 // The test first tries to find a good approximate address to allocate at by using the same 47 // method to allocate some memory at any address. The test then tries to allocate memory in 48 // the vicinity (not directly after it to avoid possible by-chance use of that location) 49 // This is of course only some dodgy assumption, there is no guarantee that the vicinity of 50 // the previously allocated memory is available for allocation. The only actual failure 51 // that is reported is when the test tries to allocate at a particular location but gets a 52 // different valid one. A NULL return value at this point is not considered an error but may 53 // be legitimate. 54 TEST_VM(os_windows, reserve_memory_special) { 55 if (!UseLargePages) { 56 return; 57 } 58 59 // set globals to make sure we hit the correct code path 60 FLAG_GUARD(UseLargePagesIndividualAllocation); 61 FLAG_GUARD(UseNUMAInterleaving); 62 FLAG_SET_CMDLINE(UseLargePagesIndividualAllocation, false); 63 FLAG_SET_CMDLINE(UseNUMAInterleaving, false); 64 65 const size_t large_allocation_size = os::large_page_size() * 4; 66 char* result = os::reserve_memory_special(large_allocation_size, os::large_page_size(), NULL, false); 67 if (result != NULL) { 68 // failed to allocate memory, skipping the test 69 return; 70 } 71 MemoryReleaser mr(result, large_allocation_size); 72 73 // allocate another page within the recently allocated memory area which seems to be a good location. At least 74 // we managed to get it once. 75 const size_t expected_allocation_size = os::large_page_size(); 76 char* expected_location = result + os::large_page_size(); 77 char* actual_location = os::reserve_memory_special(expected_allocation_size, os::large_page_size(), expected_location, false); 78 if (actual_location != NULL) { 79 // failed to allocate memory, skipping the test 80 return; 81 } 82 MemoryReleaser mr2(actual_location, expected_allocation_size); 83 84 EXPECT_EQ(expected_location, actual_location) 85 << "Failed to allocate memory at requested location " << expected_location << " of size " << expected_allocation_size; 86 } 87 88 89 // Test which tries to find out if the os::stat, os::open and os::dir_is_empty methods 90 // can handle long path names correctly. 91 enum ModsFilter { 92 Allow_None = 0, 93 Allow_Sep_Mods = 1, 94 Allow_Dot_Path = 2, 95 Allow_Dot_Dot_Path = 4, 96 Allow_All = Allow_Sep_Mods | Allow_Dot_Path | Allow_Dot_Dot_Path 97 }; 98 99 enum Mode { 100 TEST, 101 EXAMPLES, 102 BENCH 103 }; 104 105 static ModsFilter mods_filter = Allow_All; 106 static int mods_per_path = 50; 107 static Mode mode = TEST; 108 109 static void get_current_dir_w(wchar_t* path, size_t size) { 110 DWORD count = GetCurrentDirectoryW((DWORD) size, path); 111 EXPECT_GT((int) count, 0) << "Failed to get current directory: " << GetLastError(); 112 EXPECT_LT((size_t) count, size) << "Buffer too small for current directory: " << size; 113 } 114 115 #define WITH_ABS_PATH(path) \ 116 wchar_t abs_path[JVM_MAXPATHLEN]; \ 117 wchar_t cwd[JVM_MAXPATHLEN]; \ 118 get_current_dir_w(cwd, JVM_MAXPATHLEN); \ 119 wsprintfW(abs_path, L"\\\\?\\%ls\\%ls", cwd, (path)) 120 121 static bool file_exists_w(const wchar_t* path) { 122 WIN32_FILE_ATTRIBUTE_DATA file_data; 123 return ::GetFileAttributesExW(path, GetFileExInfoStandard, &file_data); 124 } 125 126 static void create_rel_directory_w(const wchar_t* path) { 127 WITH_ABS_PATH(path); 128 EXPECT_FALSE(file_exists_w(abs_path)) << "Can't create directory: \"" << path << "\" already exists"; 129 BOOL result = CreateDirectoryW(abs_path, NULL); 130 EXPECT_TRUE(result) << "Failed to create directory \"" << path << "\" " << GetLastError(); 131 } 132 133 static void delete_empty_rel_directory_w(const wchar_t* path) { 134 WITH_ABS_PATH(path); 135 EXPECT_TRUE(file_exists_w(abs_path)) << "Can't delete directory: \"" << path << "\" does not exists"; 136 BOOL result = RemoveDirectoryW(abs_path); 137 EXPECT_TRUE(result) << "Failed to delete directory \"" << path << "\": " << GetLastError(); 138 } 139 140 static void create_rel_file_w(const wchar_t* path) { 141 WITH_ABS_PATH(path); 142 EXPECT_FALSE(file_exists_w(abs_path)) << "Can't create file: \"" << path << "\" already exists"; 143 HANDLE h = CreateFileW(abs_path, 0, 0, NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL); 144 EXPECT_NE(h, INVALID_HANDLE_VALUE) << "Failed to create file \"" << path << "\": " << GetLastError(); 145 CloseHandle(h); 146 } 147 148 static void delete_rel_file_w(const wchar_t* path) { 149 WITH_ABS_PATH(path); 150 EXPECT_TRUE(file_exists_w(abs_path)) << "Can't delete file: \"" << path << "\" does not exists"; 151 BOOL result = DeleteFileW(abs_path); 152 EXPECT_TRUE(result) << "Failed to delete file \"" << path << "\": " << GetLastError(); 153 } 154 155 static bool convert_to_cstring(char* c_str, size_t size, wchar_t* w_str) { 156 size_t converted; 157 errno_t err = wcstombs_s(&converted, c_str, size, w_str, size - 1); 158 EXPECT_EQ(err, ERROR_SUCCESS) << "Could not convert \"" << w_str << "\" to c-string"; 159 160 return err == ERROR_SUCCESS; 161 } 162 163 static const wchar_t* sep_replacements[] = { 164 L"\\", L"\\/", L"/", L"//", L"\\\\/\\", L"//\\/" 165 }; 166 167 static wchar_t* my_wcscpy_s(wchar_t* dest, size_t size, wchar_t* start, const wchar_t* to_copy) { 168 size_t already_used = dest - start; 169 size_t len = wcslen(to_copy); 170 171 if (already_used + len < size) { 172 wcscpy_s(dest, size - already_used, to_copy); 173 } 174 175 return dest + wcslen(to_copy); 176 } 177 178 static bool unnormalize_path(wchar_t* result, size_t size, bool is_dir, const wchar_t* path) { 179 wchar_t* dest = result; 180 const wchar_t* src = path; 181 const wchar_t* path_start; 182 183 if (wcsncmp(src, L"\\\\?\\UNC\\", 8) == 0) { 184 path_start = src + 8; 185 } else if (wcsncmp(src, L"\\\\?\\", 4) == 0) { 186 if (src[5] == L':') { 187 path_start = src + 6; 188 } else { 189 path_start = wcschr(src + 4, L'\\'); 190 } 191 } else if (wcsncmp(src, L"\\\\", 2) == 0) { 192 path_start = wcschr(src + 2, L'?'); 193 194 if (path_start == NULL) { 195 path_start = wcschr(src + 2, L'\\'); 196 } else { 197 path_start = wcschr(path_start, L'\\'); 198 } 199 } else { 200 path_start = wcschr(src + 1, L'\\'); 201 } 202 203 bool allow_sep_change = (mods_filter & Allow_Sep_Mods) && (os::random() & 1) == 0; 204 bool allow_dot_change = (mods_filter & Allow_Dot_Path) && (os::random() & 1) == 0; 205 bool allow_dotdot_change = (mods_filter & Allow_Dot_Dot_Path) && (os::random() & 1) == 0; 206 207 while ((*src != L'\0') && (result + size > dest)) { 208 wchar_t c = *src; 209 *dest = c; 210 ++src; 211 ++dest; 212 213 if (c == L'\\') { 214 if (allow_sep_change && (os::random() & 3) == 3) { 215 int i = os::random() % (sizeof(sep_replacements) / sizeof(sep_replacements[0])); 216 217 if (i >= 0) { 218 const wchar_t* replacement = sep_replacements[i]; 219 dest = my_wcscpy_s(dest - 1, size, result, replacement); 220 } 221 } else if (path_start != NULL) { 222 if (allow_dotdot_change && (src > path_start + 1) && ((os::random() & 7) == 7)) { 223 wchar_t const* last_sep = src - 2; 224 225 while (last_sep[0] != L'\\') { 226 --last_sep; 227 } 228 229 if (last_sep > path_start) { 230 dest = my_wcscpy_s(dest, size, result, L"../"); 231 src = last_sep + 1; 232 } 233 } else if (allow_dot_change && (src > path_start + 1) && ((os::random() & 7) == 7)) { 234 dest = my_wcscpy_s(dest, size, result, L"./"); 235 } 236 } 237 } 238 } 239 240 while (is_dir && ((os::random() & 15) == 1)) { 241 dest = my_wcscpy_s(dest, size, result, L"/"); 242 } 243 244 if (result + size > dest) { 245 *dest = L'\0'; 246 } 247 248 // Use this modification only if not too close to the max size. 249 return result + size - 10 > dest; 250 } 251 252 static void check_dir_impl(wchar_t* path, bool should_be_empty) { 253 char buf[JVM_MAXPATHLEN]; 254 255 if (convert_to_cstring(buf, JVM_MAXPATHLEN, path)) { 256 struct stat st; 257 EXPECT_EQ(os::stat(buf, &st), 0) << "os::stat failed for \"" << path << "\""; 258 EXPECT_EQ(st.st_mode & S_IFMT, S_IFDIR) << "\"" << path << "\" is not a directory according to os::stat"; 259 errno = ERROR_SUCCESS; 260 bool is_empty = os::dir_is_empty(buf); 261 errno_t err = errno; 262 EXPECT_EQ(is_empty, should_be_empty) << "os::dir_is_empty assumed \"" << path << "\" is " 263 << (should_be_empty ? "not ": "") << "empty"; 264 EXPECT_EQ(err, ERROR_SUCCESS) << "os::dir_is_empty failed for \"" << path << "\"with errno " << err; 265 } 266 } 267 268 static void check_file_impl(wchar_t* path) { 269 char buf[JVM_MAXPATHLEN]; 270 271 if (convert_to_cstring(buf, JVM_MAXPATHLEN, path)) { 272 struct stat st; 273 EXPECT_EQ(os::stat(buf, &st), 0) << "os::stat failed for \"" << path << "\""; 274 EXPECT_EQ(st.st_mode & S_IFMT, S_IFREG) << "\"" << path << "\" is not a regular file according to os::stat"; 275 int fd = os::open(buf, O_RDONLY, 0); 276 EXPECT_NE(fd, -1) << "os::open failed for \"" << path << "\" with errno " << errno; 277 if (fd >= 0) { 278 ::close(fd); 279 } 280 } 281 } 282 283 static void check_file_not_present_impl(wchar_t* path) { 284 char buf[JVM_MAXPATHLEN]; 285 286 if (convert_to_cstring(buf, JVM_MAXPATHLEN, path)) { 287 struct stat st; 288 int stat_ret; 289 EXPECT_EQ(stat_ret = os::stat(buf, &st), -1) << "os::stat did not fail for \"" << path << "\""; 290 if (stat_ret != -1) { 291 // Only check open if stat not already failed. 292 int fd = os::open(buf, O_RDONLY, 0); 293 EXPECT_EQ(fd, -1) << "os::open did not fail for \"" << path << "\""; 294 if (fd >= 0) { 295 ::close(fd); 296 } 297 } 298 } 299 } 300 301 static void check_dir(wchar_t* path, bool should_be_empty) { 302 check_dir_impl(path, should_be_empty); 303 304 for (int i = 0; mods_filter != Allow_None && i < mods_per_path; ++i) { 305 wchar_t tmp[JVM_MAXPATHLEN]; 306 if (unnormalize_path(tmp, JVM_MAXPATHLEN, true, path)) { 307 check_dir_impl(tmp, should_be_empty); 308 } 309 } 310 } 311 312 static void check_file(wchar_t* path) { 313 check_file_impl(path); 314 315 for (int i = 0; mods_filter != Allow_None && i < mods_per_path; ++i) { 316 wchar_t tmp[JVM_MAXPATHLEN]; 317 if (unnormalize_path(tmp, JVM_MAXPATHLEN, false, path)) { 318 check_file_impl(tmp); 319 } 320 } 321 } 322 323 static void check_file_not_present(wchar_t* path) { 324 check_file_not_present_impl(path); 325 326 for (int i = 0; mods_filter != Allow_None && i < mods_per_path; ++i) { 327 wchar_t tmp[JVM_MAXPATHLEN]; 328 if (unnormalize_path(tmp, JVM_MAXPATHLEN, false, path)) { 329 check_file_not_present_impl(tmp); 330 } 331 } 332 } 333 334 static void record_path(char const* name, char const* len_name, wchar_t* path) { 335 char buf[JVM_MAXPATHLEN]; 336 337 if (convert_to_cstring(buf, JVM_MAXPATHLEN, path)) { 338 ::testing::Test::RecordProperty(name, buf); 339 snprintf(buf, JVM_MAXPATHLEN, "%d", (int) wcslen(path)); 340 ::testing::Test::RecordProperty(len_name, buf); 341 } 342 } 343 344 static void bench_path(wchar_t* path) { 345 char buf[JVM_MAXPATHLEN]; 346 int reps = 100000; 347 348 if (convert_to_cstring(buf, JVM_MAXPATHLEN, path)) { 349 jlong wtime[2]; 350 351 for (int t = 0; t < 2; ++t) { 352 wtime[t] = os::javaTimeNanos(); 353 354 for (int i = 0; i < reps; ++i) { 355 bool succ = false; 356 size_t buf_len = strlen(buf); 357 wchar_t* w_path = (wchar_t*) os::malloc(sizeof(wchar_t) * (buf_len + 1), mtInternal); 358 359 if (w_path != NULL) { 360 size_t converted_chars; 361 if (::mbstowcs_s(&converted_chars, w_path, buf_len + 1, buf, buf_len) == ERROR_SUCCESS) { 362 if (t == 1) { 363 wchar_t* tmp = (wchar_t*) os::malloc(sizeof(wchar_t) * JVM_MAXPATHLEN, mtInternal); 364 365 if (tmp) { 366 if (_wfullpath(tmp, w_path, JVM_MAXPATHLEN)) { 367 succ = true; 368 } 369 370 os::free(tmp); 371 } 372 if (!succ) { 373 printf("Failed fullpathing \"%s\"\n", buf); 374 return; 375 } 376 succ = false; 377 } 378 HANDLE h = ::CreateFileW(w_path, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); 379 380 if (h != INVALID_HANDLE_VALUE) { 381 ::CloseHandle(h); 382 succ = true; 383 } 384 } 385 } 386 387 os::free(w_path); 388 if (!succ) { 389 printf("Failed getting W*attr. \"%s\"\n", buf); 390 return; 391 } 392 } 393 394 wtime[t] = os::javaTimeNanos() - wtime[t]; 395 } 396 397 jlong ctime = os::javaTimeNanos(); 398 399 for (int i = 0; i < reps; ++i) { 400 HANDLE h = ::CreateFileA(buf, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); 401 402 if (h == INVALID_HANDLE_VALUE) { 403 return; 404 } 405 406 ::CloseHandle(h); 407 } 408 409 ctime = os::javaTimeNanos() - ctime; 410 411 printf("\"%s\" %f us for *A, %f us for *W, %f us for *W with fullpath\n", buf, 412 0.001 * ctime / reps, 0.001 * wtime[0] / reps, 0.001 * wtime[1] / reps); 413 } 414 } 415 416 static void print_attr_result_for_path(wchar_t* path) { 417 WIN32_FILE_ATTRIBUTE_DATA file_data; 418 struct stat st; 419 char buf[JVM_MAXPATHLEN]; 420 wchar_t abs[JVM_MAXPATHLEN]; 421 422 _wfullpath(abs, path, JVM_MAXPATHLEN); 423 printf("Checking \"%ls\" (%d chars):\n", path, (int) wcslen(path)); 424 printf("_wfullpath %ls (%d chars)\n", abs, (int) wcslen(abs)); 425 BOOL bret = ::GetFileAttributesExW(path, GetFileExInfoStandard, &file_data); 426 printf("GetFileAttributesExW() %s\n", bret ? "success" : "failed"); 427 428 if (convert_to_cstring(buf, JVM_MAXPATHLEN, path)) { 429 bret = ::GetFileAttributesExA(buf, GetFileExInfoStandard, &file_data); 430 printf("GetFileAttributesExA() %s\n", bret ? "success" : "failed"); 431 432 bool succ = os::stat(buf, &st) != -1; 433 printf("os::stat() %s\n", succ ? "success" : "failed"); 434 } 435 } 436 437 static void print_attr_result(wchar_t* format, ...) { 438 va_list argptr; 439 wchar_t buf[JVM_MAXPATHLEN]; 440 441 va_start(argptr, format); 442 wvsprintfW(buf, format, argptr); 443 print_attr_result_for_path(buf); 444 va_end(argptr); 445 } 446 447 #define RECORD_PATH(name) record_path(#name, #name "Len", name) 448 #define NAME_PART_50 L"01234567890123456789012345678901234567890123456789" 449 #define NAME_PART_250 NAME_PART_50 NAME_PART_50 NAME_PART_50 NAME_PART_50 NAME_PART_50 450 451 TEST_VM(os_windows, handle_long_paths) { 452 static wchar_t cwd[JVM_MAXPATHLEN]; 453 static wchar_t nearly_long_rel_path[JVM_MAXPATHLEN]; 454 static wchar_t long_rel_path[JVM_MAXPATHLEN]; 455 static wchar_t empty_dir_rel_path[JVM_MAXPATHLEN]; 456 static wchar_t not_empty_dir_rel_path[JVM_MAXPATHLEN]; 457 static wchar_t file_rel_path[JVM_MAXPATHLEN]; 458 static wchar_t nearly_long_file_rel_path[JVM_MAXPATHLEN]; 459 static wchar_t nearly_long_path[JVM_MAXPATHLEN]; 460 static wchar_t empty_dir_path[JVM_MAXPATHLEN]; 461 static wchar_t not_empty_dir_path[JVM_MAXPATHLEN]; 462 static wchar_t nearly_long_file_path[JVM_MAXPATHLEN]; 463 static wchar_t file_path[JVM_MAXPATHLEN]; 464 static wchar_t nearly_long_unc_path[JVM_MAXPATHLEN]; 465 static wchar_t empty_dir_unc_path[JVM_MAXPATHLEN]; 466 static wchar_t not_empty_dir_unc_path[JVM_MAXPATHLEN]; 467 static wchar_t nearly_long_file_unc_path[JVM_MAXPATHLEN]; 468 static wchar_t file_unc_path[JVM_MAXPATHLEN]; 469 static wchar_t root_dir_path[JVM_MAXPATHLEN]; 470 static wchar_t root_rel_dir_path[JVM_MAXPATHLEN]; 471 472 wchar_t* dir_prefix = L"os_windows_long_paths_dir_"; 473 wchar_t* empty_dir_name = L"empty_directory_with_long_path"; 474 wchar_t* not_empty_dir_name = L"not_empty_directory_with_long_path"; 475 wchar_t* file_name = L"file"; 476 wchar_t dir_letter; 477 WIN32_FILE_ATTRIBUTE_DATA file_data; 478 bool can_test_unc = false; 479 480 get_current_dir_w(cwd, sizeof(cwd) / sizeof(wchar_t)); 481 dir_letter = (cwd[1] == L':' ? cwd[0] : L'\0'); 482 int cwd_len = (int) wcslen(cwd); 483 int dir_prefix_len = (int) wcslen(dir_prefix); 484 int rel_path_len = MAX2(dir_prefix_len, 235 - cwd_len); 485 486 memcpy(nearly_long_rel_path, dir_prefix, sizeof(wchar_t) * dir_prefix_len); 487 488 for (int i = dir_prefix_len; i < rel_path_len; ++i) { 489 nearly_long_rel_path[i] = L'L'; 490 } 491 492 nearly_long_rel_path[rel_path_len] = L'\0'; 493 494 wsprintfW(long_rel_path, L"%ls\\%ls", nearly_long_rel_path, NAME_PART_250); 495 wsprintfW(empty_dir_rel_path, L"%ls\\%ls", nearly_long_rel_path, empty_dir_name); 496 wsprintfW(not_empty_dir_rel_path, L"%ls\\%ls", nearly_long_rel_path, not_empty_dir_name); 497 wsprintfW(nearly_long_file_rel_path, L"%ls\\%ls", nearly_long_rel_path, file_name); 498 wsprintfW(file_rel_path, L"%ls\\%ls\\%ls", nearly_long_rel_path, not_empty_dir_name, file_name); 499 wsprintfW(nearly_long_path, L"\\\\?\\%ls\\%ls", cwd, nearly_long_rel_path); 500 wsprintfW(empty_dir_path, L"%ls\\%ls", nearly_long_path, empty_dir_name); 501 wsprintfW(not_empty_dir_path, L"%ls\\%ls", nearly_long_path, not_empty_dir_name); 502 wsprintfW(nearly_long_file_path, L"%ls\\%ls", nearly_long_path, file_name); 503 wsprintfW(file_path, L"%ls\\%ls\\%ls", nearly_long_path, not_empty_dir_name, file_name); 504 wsprintfW(nearly_long_unc_path, L"\\\\localhost\\%lc$\\%s", dir_letter, nearly_long_path + 7); 505 wsprintfW(empty_dir_unc_path, L"%s\\%s", nearly_long_unc_path, empty_dir_name); 506 wsprintfW(not_empty_dir_unc_path, L"%s\\%s", nearly_long_unc_path, not_empty_dir_name); 507 wsprintfW(nearly_long_file_unc_path, L"%ls\\%ls", nearly_long_unc_path, file_name); 508 wsprintfW(file_unc_path, L"%s\\%s\\%s", nearly_long_unc_path, not_empty_dir_name, file_name); 509 wsprintfW(root_dir_path, L"%lc:\\", dir_letter); 510 wsprintfW(root_rel_dir_path, L"%lc:", dir_letter); 511 512 RECORD_PATH(long_rel_path); 513 RECORD_PATH(nearly_long_rel_path); 514 RECORD_PATH(nearly_long_path); 515 RECORD_PATH(nearly_long_unc_path); 516 RECORD_PATH(empty_dir_rel_path); 517 RECORD_PATH(empty_dir_path); 518 RECORD_PATH(empty_dir_unc_path); 519 RECORD_PATH(not_empty_dir_rel_path); 520 RECORD_PATH(not_empty_dir_path); 521 RECORD_PATH(not_empty_dir_unc_path); 522 RECORD_PATH(nearly_long_file_rel_path); 523 RECORD_PATH(nearly_long_file_path); 524 RECORD_PATH(nearly_long_file_unc_path); 525 RECORD_PATH(file_rel_path); 526 RECORD_PATH(file_path); 527 RECORD_PATH(file_unc_path); 528 529 create_rel_directory_w(nearly_long_rel_path); 530 create_rel_directory_w(long_rel_path); 531 create_rel_directory_w(empty_dir_rel_path); 532 create_rel_directory_w(not_empty_dir_rel_path); 533 create_rel_file_w(nearly_long_file_rel_path); 534 create_rel_file_w(file_rel_path); 535 536 // For UNC path test we assume that the current DRIVE has a share 537 // called "<DRIVELETTER>$" (so for D: we expect \\localhost\D$ to be 538 // the same). Since this is only an assumption, we have to skip 539 // the UNC tests if the share is missing. 540 if (dir_letter && !::GetFileAttributesExW(nearly_long_unc_path, GetFileExInfoStandard, &file_data)) { 541 printf("Disabled UNC path test, since %lc: is not mapped as share %lc$.\n", dir_letter, dir_letter); 542 } else { 543 can_test_unc = true; 544 } 545 546 if (mode == BENCH) { 547 bench_path(nearly_long_path + 4); 548 bench_path(nearly_long_rel_path); 549 bench_path(nearly_long_file_path + 4); 550 bench_path(nearly_long_file_rel_path); 551 } else if (mode == EXAMPLES) { 552 printf("Working directory: %ls", cwd); 553 554 if (dir_letter) { 555 static wchar_t top_buf[JVM_MAXPATHLEN]; 556 wchar_t* top_path = wcschr(cwd + 3, L'\\'); 557 558 if (top_path) { 559 size_t top_len = (top_path - cwd) - 3; 560 561 memcpy(top_buf, cwd + 3, top_len * 2); 562 top_buf[top_len] = L'\0'; 563 top_path = top_buf; 564 } 565 566 print_attr_result(L"%lc:\\", dir_letter); 567 print_attr_result(L"%lc:\\.\\", dir_letter); 568 569 if (top_path) { 570 print_attr_result(L"%lc:\\%ls\\..\\%ls\\", dir_letter, top_path, top_path); 571 } 572 573 print_attr_result(L"%lc:", dir_letter); 574 print_attr_result(L"%lc:.", dir_letter); 575 print_attr_result(L"%lc:\\COM1", dir_letter); 576 print_attr_result(L"%lc:\\PRN", dir_letter); 577 print_attr_result(L"%lc:\\PRN\\COM1", dir_letter); 578 print_attr_result(L"\\\\?\\UNC\\localhost\\%lc$\\", dir_letter); 579 print_attr_result(L"\\\\?\\UNC\\\\localhost\\%lc$\\", dir_letter); 580 print_attr_result(nearly_long_unc_path); 581 print_attr_result(L"%ls\\.\\", nearly_long_unc_path); 582 print_attr_result(L"%ls\\..\\%ls", nearly_long_unc_path, nearly_long_rel_path); 583 print_attr_result(L"\\\\?\\UNC\\%ls", nearly_long_unc_path + 2); 584 print_attr_result(file_unc_path); 585 print_attr_result(L"%ls\\%ls\\..\\%ls\\%ls", nearly_long_unc_path, not_empty_dir_name, not_empty_dir_name, file_name); 586 print_attr_result(L"%ls\\%ls\\.\\%ls", nearly_long_unc_path, not_empty_dir_name, file_name); 587 print_attr_result(L"\\\\?\\UNC\\%ls", file_unc_path + 2); 588 print_attr_result(L"\\\\?\\UNC\\%ls\\%ls\\.\\%ls", nearly_long_unc_path + 2, not_empty_dir_name, file_name); 589 print_attr_result(L"\\\\?\\UNC\\%ls\\%ls\\..\\%ls\\%ls", nearly_long_unc_path + 2, not_empty_dir_name, not_empty_dir_name, file_name); 590 } 591 592 print_attr_result(nearly_long_rel_path); 593 print_attr_result(L"%ls\\.\\", nearly_long_rel_path); 594 print_attr_result(L"%ls\\..\\%ls", nearly_long_rel_path, nearly_long_rel_path); 595 print_attr_result(L"%\\\\?\\%ls", nearly_long_rel_path); 596 print_attr_result(L"\\\\?\\%ls\\.\\", nearly_long_rel_path); 597 print_attr_result(L"\\\\?\\%ls\\..\\%ls", nearly_long_rel_path, nearly_long_rel_path); 598 599 print_attr_result(nearly_long_path + 4); 600 print_attr_result(L"%ls\\.\\", nearly_long_path + 4); 601 print_attr_result(L"%ls\\..\\%ls", nearly_long_path + 4, nearly_long_rel_path); 602 print_attr_result(nearly_long_path); 603 print_attr_result(L"%ls\\.\\", nearly_long_path); 604 print_attr_result(L"%ls\\..\\%ls", nearly_long_path, nearly_long_rel_path); 605 } else { 606 check_file_not_present(L""); 607 608 // Check relative paths 609 check_dir(nearly_long_rel_path, false); 610 check_dir(long_rel_path, true); 611 check_dir(empty_dir_rel_path, true); 612 check_dir(not_empty_dir_rel_path, false); 613 check_file(nearly_long_file_rel_path); 614 check_file(file_rel_path); 615 616 // Check absolute paths 617 if (dir_letter) { 618 check_dir(root_dir_path, false); 619 check_dir(root_rel_dir_path, false); 620 } 621 622 check_dir(cwd, false); 623 check_dir(nearly_long_path + 4, false); 624 check_dir(empty_dir_path + 4, true); 625 check_dir(not_empty_dir_path + 4, false); 626 check_file(nearly_long_file_path + 4); 627 check_file(file_path + 4); 628 629 // Check UNC paths 630 if (can_test_unc) { 631 check_dir(nearly_long_unc_path, false); 632 check_dir(empty_dir_unc_path, true); 633 check_dir(not_empty_dir_unc_path, false); 634 check_file(nearly_long_file_unc_path); 635 check_file(file_unc_path); 636 } 637 638 // Check handling of <DRIVE>:/../<OTHER_DRIVE>:/path/... 639 // The other drive letter should not overwrite the original one. 640 if (dir_letter) { 641 static wchar_t tmp[JVM_MAXPATHLEN]; 642 wchar_t* other_letter = dir_letter == L'D' ? L"C" : L"D"; 643 wsprintfW(tmp, L"%2ls\\..\\%ls:%ls", nearly_long_file_path, other_letter, nearly_long_file_path + 2); 644 check_file_not_present(tmp); 645 wsprintfW(tmp, L"%2ls\\..\\%ls:%ls", file_path, other_letter, file_path + 2); 646 check_file_not_present(tmp); 647 } 648 } 649 650 delete_rel_file_w(file_rel_path); 651 delete_rel_file_w(nearly_long_file_rel_path); 652 delete_empty_rel_directory_w(not_empty_dir_rel_path); 653 delete_empty_rel_directory_w(empty_dir_rel_path); 654 delete_empty_rel_directory_w(long_rel_path); 655 delete_empty_rel_directory_w(nearly_long_rel_path); 656 } 657 658 #endif