1 //===-- Path.cpp - Implement OS Path Concept ------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the operating system Path API.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/Support/Path.h"
15 #include "llvm/Support/Endian.h"
16 #include "llvm/Support/ErrorHandling.h"
17 #include "llvm/Support/FileSystem.h"
23 #if !defined(_MSC_VER) && !defined(__MINGW32__)
30 using llvm::StringRef;
31 using llvm::sys::path::is_separator;
34 const char *separators = "\\/";
35 const char prefered_separator = '\\';
37 const char separators = '/';
38 const char prefered_separator = '/';
41 StringRef find_first_component(StringRef path) {
42 // Look for this first component in the following order.
43 // * empty (in this case we return an empty string)
44 // * either C: or {//,\\}net.
47 // * {file,directory}name
54 if (path.size() >= 2 && std::isalpha(static_cast<unsigned char>(path[0])) &&
56 return path.substr(0, 2);
60 if ((path.size() > 2) &&
61 is_separator(path[0]) &&
63 !is_separator(path[2])) {
64 // Find the next directory separator.
65 size_t end = path.find_first_of(separators, 2);
66 return path.substr(0, end);
70 if (is_separator(path[0]))
71 return path.substr(0, 1);
73 if (path.startswith(".."))
74 return path.substr(0, 2);
77 return path.substr(0, 1);
79 // * {file,directory}name
80 size_t end = path.find_first_of(separators);
81 return path.substr(0, end);
84 size_t filename_pos(StringRef str) {
85 if (str.size() == 2 &&
86 is_separator(str[0]) &&
90 if (str.size() > 0 && is_separator(str[str.size() - 1]))
91 return str.size() - 1;
93 size_t pos = str.find_last_of(separators, str.size() - 1);
96 if (pos == StringRef::npos)
97 pos = str.find_last_of(':', str.size() - 2);
100 if (pos == StringRef::npos ||
101 (pos == 1 && is_separator(str[0])))
107 size_t root_dir_start(StringRef str) {
110 if (str.size() > 2 &&
112 is_separator(str[2]))
117 if (str.size() == 2 &&
118 is_separator(str[0]) &&
120 return StringRef::npos;
123 if (str.size() > 3 &&
124 is_separator(str[0]) &&
126 !is_separator(str[2])) {
127 return str.find_first_of(separators, 2);
131 if (str.size() > 0 && is_separator(str[0]))
134 return StringRef::npos;
137 size_t parent_path_end(StringRef path) {
138 size_t end_pos = filename_pos(path);
140 bool filename_was_sep = path.size() > 0 && is_separator(path[end_pos]);
142 // Skip separators except for root dir.
143 size_t root_dir_pos = root_dir_start(path.substr(0, end_pos));
146 (end_pos - 1) != root_dir_pos &&
147 is_separator(path[end_pos - 1]))
150 if (end_pos == 1 && root_dir_pos == 0 && filename_was_sep)
151 return StringRef::npos;
155 } // end unnamed namespace
163 // Implemented in Unix/Path.inc and Windows/Path.inc.
164 static llvm::error_code
165 createUniqueEntity(const llvm::Twine &Model, int &ResultFD,
166 llvm::SmallVectorImpl<char> &ResultPath,
167 bool MakeAbsolute, unsigned Mode, FSEntity Type);
173 const_iterator begin(StringRef path) {
176 i.Component = find_first_component(path);
181 const_iterator end(StringRef path) {
184 i.Position = path.size();
188 const_iterator &const_iterator::operator++() {
189 assert(Position < Path.size() && "Tried to increment past end!");
191 // Increment Position to past the current component
192 Position += Component.size();
195 if (Position == Path.size()) {
196 Component = StringRef();
200 // Both POSIX and Windows treat paths that begin with exactly two separators
202 bool was_net = Component.size() > 2 &&
203 is_separator(Component[0]) &&
204 Component[1] == Component[0] &&
205 !is_separator(Component[2]);
207 // Handle separators.
208 if (is_separator(Path[Position])) {
213 || Component.endswith(":")
216 Component = Path.substr(Position, 1);
220 // Skip extra separators.
221 while (Position != Path.size() &&
222 is_separator(Path[Position])) {
226 // Treat trailing '/' as a '.'.
227 if (Position == Path.size()) {
234 // Find next component.
235 size_t end_pos = Path.find_first_of(separators, Position);
236 Component = Path.slice(Position, end_pos);
241 const_iterator &const_iterator::operator--() {
242 // If we're at the end and the previous char was a '/', return '.'.
243 if (Position == Path.size() &&
245 is_separator(Path[Position - 1])
247 && Path[Position - 2] != ':'
255 // Skip separators unless it's the root directory.
256 size_t root_dir_pos = root_dir_start(Path);
257 size_t end_pos = Position;
260 (end_pos - 1) != root_dir_pos &&
261 is_separator(Path[end_pos - 1]))
264 // Find next separator.
265 size_t start_pos = filename_pos(Path.substr(0, end_pos));
266 Component = Path.slice(start_pos, end_pos);
267 Position = start_pos;
271 bool const_iterator::operator==(const const_iterator &RHS) const {
272 return Path.begin() == RHS.Path.begin() &&
273 Position == RHS.Position;
276 bool const_iterator::operator!=(const const_iterator &RHS) const {
277 return !(*this == RHS);
280 ptrdiff_t const_iterator::operator-(const const_iterator &RHS) const {
281 return Position - RHS.Position;
284 const StringRef root_path(StringRef path) {
285 const_iterator b = begin(path),
289 bool has_net = b->size() > 2 && is_separator((*b)[0]) && (*b)[1] == (*b)[0];
297 if (has_net || has_drive) {
298 if ((++pos != e) && is_separator((*pos)[0])) {
299 // {C:/,//net/}, so get the first two components.
300 return path.substr(0, b->size() + pos->size());
302 // just {C:,//net}, return the first component.
307 // POSIX style root directory.
308 if (is_separator((*b)[0])) {
316 const StringRef root_name(StringRef path) {
317 const_iterator b = begin(path),
320 bool has_net = b->size() > 2 && is_separator((*b)[0]) && (*b)[1] == (*b)[0];
328 if (has_net || has_drive) {
329 // just {C:,//net}, return the first component.
334 // No path or no name.
338 const StringRef root_directory(StringRef path) {
339 const_iterator b = begin(path),
343 bool has_net = b->size() > 2 && is_separator((*b)[0]) && (*b)[1] == (*b)[0];
351 if ((has_net || has_drive) &&
352 // {C:,//net}, skip to the next component.
353 (++pos != e) && is_separator((*pos)[0])) {
357 // POSIX style root directory.
358 if (!has_net && is_separator((*b)[0])) {
363 // No path or no root.
367 const StringRef relative_path(StringRef path) {
368 StringRef root = root_path(path);
369 return path.substr(root.size());
372 void append(SmallVectorImpl<char> &path, const Twine &a,
376 SmallString<32> a_storage;
377 SmallString<32> b_storage;
378 SmallString<32> c_storage;
379 SmallString<32> d_storage;
381 SmallVector<StringRef, 4> components;
382 if (!a.isTriviallyEmpty()) components.push_back(a.toStringRef(a_storage));
383 if (!b.isTriviallyEmpty()) components.push_back(b.toStringRef(b_storage));
384 if (!c.isTriviallyEmpty()) components.push_back(c.toStringRef(c_storage));
385 if (!d.isTriviallyEmpty()) components.push_back(d.toStringRef(d_storage));
387 for (SmallVectorImpl<StringRef>::const_iterator i = components.begin(),
388 e = components.end();
390 bool path_has_sep = !path.empty() && is_separator(path[path.size() - 1]);
391 bool component_has_sep = !i->empty() && is_separator((*i)[0]);
392 bool is_root_name = has_root_name(*i);
395 // Strip separators from beginning of component.
396 size_t loc = i->find_first_not_of(separators);
397 StringRef c = i->substr(loc);
400 path.append(c.begin(), c.end());
404 if (!component_has_sep && !(path.empty() || is_root_name)) {
406 path.push_back(prefered_separator);
409 path.append(i->begin(), i->end());
413 void append(SmallVectorImpl<char> &path,
414 const_iterator begin, const_iterator end) {
415 for (; begin != end; ++begin)
416 path::append(path, *begin);
419 const StringRef parent_path(StringRef path) {
420 size_t end_pos = parent_path_end(path);
421 if (end_pos == StringRef::npos)
424 return path.substr(0, end_pos);
427 void remove_filename(SmallVectorImpl<char> &path) {
428 size_t end_pos = parent_path_end(StringRef(path.begin(), path.size()));
429 if (end_pos != StringRef::npos)
430 path.set_size(end_pos);
433 void replace_extension(SmallVectorImpl<char> &path, const Twine &extension) {
434 StringRef p(path.begin(), path.size());
435 SmallString<32> ext_storage;
436 StringRef ext = extension.toStringRef(ext_storage);
438 // Erase existing extension.
439 size_t pos = p.find_last_of('.');
440 if (pos != StringRef::npos && pos >= filename_pos(p))
443 // Append '.' if needed.
444 if (ext.size() > 0 && ext[0] != '.')
448 path.append(ext.begin(), ext.end());
451 void native(const Twine &path, SmallVectorImpl<char> &result) {
452 assert((!path.isSingleStringRef() ||
453 path.getSingleStringRef().data() != result.data()) &&
454 "path and result are not allowed to overlap!");
457 path.toVector(result);
461 void native(SmallVectorImpl<char> &path) {
463 std::replace(path.begin(), path.end(), '/', '\\');
467 const StringRef filename(StringRef path) {
468 return *(--end(path));
471 const StringRef stem(StringRef path) {
472 StringRef fname = filename(path);
473 size_t pos = fname.find_last_of('.');
474 if (pos == StringRef::npos)
477 if ((fname.size() == 1 && fname == ".") ||
478 (fname.size() == 2 && fname == ".."))
481 return fname.substr(0, pos);
484 const StringRef extension(StringRef path) {
485 StringRef fname = filename(path);
486 size_t pos = fname.find_last_of('.');
487 if (pos == StringRef::npos)
490 if ((fname.size() == 1 && fname == ".") ||
491 (fname.size() == 2 && fname == ".."))
494 return fname.substr(pos);
497 bool is_separator(char value) {
500 case '\\': // fall through
502 case '/': return true;
503 default: return false;
507 void system_temp_directory(bool erasedOnReboot, SmallVectorImpl<char> &result) {
511 // On Darwin, use DARWIN_USER_TEMP_DIR or DARWIN_USER_CACHE_DIR.
512 int ConfName = erasedOnReboot? _CS_DARWIN_USER_TEMP_DIR
513 : _CS_DARWIN_USER_CACHE_DIR;
514 size_t ConfLen = confstr(ConfName, 0, 0);
517 result.resize(ConfLen);
518 ConfLen = confstr(ConfName, result.data(), result.size());
519 } while (ConfLen > 0 && ConfLen != result.size());
522 assert(result.back() == 0);
531 // Check whether the temporary directory is specified by an environment
533 const char *EnvironmentVariable;
535 EnvironmentVariable = "TEMP";
537 EnvironmentVariable = "TMPDIR";
539 if (char *RequestedDir = getenv(EnvironmentVariable)) {
540 result.append(RequestedDir, RequestedDir + strlen(RequestedDir));
544 // Fall back to a system default.
545 const char *DefaultResult;
547 (void)erasedOnReboot;
548 DefaultResult = "C:\\TEMP";
551 DefaultResult = "/tmp";
553 DefaultResult = "/var/tmp";
555 result.append(DefaultResult, DefaultResult + strlen(DefaultResult));
558 bool has_root_name(const Twine &path) {
559 SmallString<128> path_storage;
560 StringRef p = path.toStringRef(path_storage);
562 return !root_name(p).empty();
565 bool has_root_directory(const Twine &path) {
566 SmallString<128> path_storage;
567 StringRef p = path.toStringRef(path_storage);
569 return !root_directory(p).empty();
572 bool has_root_path(const Twine &path) {
573 SmallString<128> path_storage;
574 StringRef p = path.toStringRef(path_storage);
576 return !root_path(p).empty();
579 bool has_relative_path(const Twine &path) {
580 SmallString<128> path_storage;
581 StringRef p = path.toStringRef(path_storage);
583 return !relative_path(p).empty();
586 bool has_filename(const Twine &path) {
587 SmallString<128> path_storage;
588 StringRef p = path.toStringRef(path_storage);
590 return !filename(p).empty();
593 bool has_parent_path(const Twine &path) {
594 SmallString<128> path_storage;
595 StringRef p = path.toStringRef(path_storage);
597 return !parent_path(p).empty();
600 bool has_stem(const Twine &path) {
601 SmallString<128> path_storage;
602 StringRef p = path.toStringRef(path_storage);
604 return !stem(p).empty();
607 bool has_extension(const Twine &path) {
608 SmallString<128> path_storage;
609 StringRef p = path.toStringRef(path_storage);
611 return !extension(p).empty();
614 bool is_absolute(const Twine &path) {
615 SmallString<128> path_storage;
616 StringRef p = path.toStringRef(path_storage);
618 bool rootDir = has_root_directory(p),
620 rootName = has_root_name(p);
625 return rootDir && rootName;
628 bool is_relative(const Twine &path) {
629 return !is_absolute(path);
632 } // end namespace path
636 error_code getUniqueID(const Twine Path, UniqueID &Result) {
638 error_code EC = status(Path, Status);
641 Result = Status.getUniqueID();
642 return error_code::success();
645 error_code createUniqueFile(const Twine &Model, int &ResultFd,
646 SmallVectorImpl<char> &ResultPath, unsigned Mode) {
647 return createUniqueEntity(Model, ResultFd, ResultPath, false, Mode, FS_File);
650 error_code createUniqueFile(const Twine &Model,
651 SmallVectorImpl<char> &ResultPath) {
653 return createUniqueEntity(Model, Dummy, ResultPath, false, 0, FS_Name);
656 static error_code createTemporaryFile(const Twine &Model, int &ResultFD,
657 llvm::SmallVectorImpl<char> &ResultPath,
659 SmallString<128> Storage;
660 StringRef P = Model.toNullTerminatedStringRef(Storage);
661 assert(P.find_first_of(separators) == StringRef::npos &&
662 "Model must be a simple filename.");
663 // Use P.begin() so that createUniqueEntity doesn't need to recreate Storage.
664 return createUniqueEntity(P.begin(), ResultFD, ResultPath,
665 true, owner_read | owner_write, Type);
669 createTemporaryFile(const Twine &Prefix, StringRef Suffix, int &ResultFD,
670 llvm::SmallVectorImpl<char> &ResultPath,
672 const char *Middle = Suffix.empty() ? "-%%%%%%" : "-%%%%%%.";
673 return createTemporaryFile(Prefix + Middle + Suffix, ResultFD, ResultPath,
678 error_code createTemporaryFile(const Twine &Prefix, StringRef Suffix,
680 SmallVectorImpl<char> &ResultPath) {
681 return createTemporaryFile(Prefix, Suffix, ResultFD, ResultPath, FS_File);
684 error_code createTemporaryFile(const Twine &Prefix, StringRef Suffix,
685 SmallVectorImpl<char> &ResultPath) {
687 return createTemporaryFile(Prefix, Suffix, Dummy, ResultPath, FS_Name);
691 // This is a mkdtemp with a different pattern. We use createUniqueEntity mostly
692 // for consistency. We should try using mkdtemp.
693 error_code createUniqueDirectory(const Twine &Prefix,
694 SmallVectorImpl<char> &ResultPath) {
696 return createUniqueEntity(Prefix + "-%%%%%%", Dummy, ResultPath,
700 error_code make_absolute(SmallVectorImpl<char> &path) {
701 StringRef p(path.data(), path.size());
703 bool rootDirectory = path::has_root_directory(p),
705 rootName = path::has_root_name(p);
711 if (rootName && rootDirectory)
712 return error_code::success();
714 // All of the following conditions will need the current directory.
715 SmallString<128> current_dir;
716 if (error_code ec = current_path(current_dir)) return ec;
718 // Relative path. Prepend the current directory.
719 if (!rootName && !rootDirectory) {
720 // Append path to the current directory.
721 path::append(current_dir, p);
722 // Set path to the result.
723 path.swap(current_dir);
724 return error_code::success();
727 if (!rootName && rootDirectory) {
728 StringRef cdrn = path::root_name(current_dir);
729 SmallString<128> curDirRootName(cdrn.begin(), cdrn.end());
730 path::append(curDirRootName, p);
731 // Set path to the result.
732 path.swap(curDirRootName);
733 return error_code::success();
736 if (rootName && !rootDirectory) {
737 StringRef pRootName = path::root_name(p);
738 StringRef bRootDirectory = path::root_directory(current_dir);
739 StringRef bRelativePath = path::relative_path(current_dir);
740 StringRef pRelativePath = path::relative_path(p);
742 SmallString<128> res;
743 path::append(res, pRootName, bRootDirectory, bRelativePath, pRelativePath);
745 return error_code::success();
748 llvm_unreachable("All rootName and rootDirectory combinations should have "
752 error_code create_directories(const Twine &path, bool &existed) {
753 SmallString<128> path_storage;
754 StringRef p = path.toStringRef(path_storage);
756 StringRef parent = path::parent_path(p);
757 if (!parent.empty()) {
759 if (error_code ec = fs::exists(parent, parent_exists)) return ec;
762 if (error_code ec = create_directories(parent, existed)) return ec;
765 return create_directory(p, existed);
768 bool exists(file_status status) {
769 return status_known(status) && status.type() != file_type::file_not_found;
772 bool status_known(file_status s) {
773 return s.type() != file_type::status_error;
776 bool is_directory(file_status status) {
777 return status.type() == file_type::directory_file;
780 error_code is_directory(const Twine &path, bool &result) {
782 if (error_code ec = status(path, st))
784 result = is_directory(st);
785 return error_code::success();
788 bool is_regular_file(file_status status) {
789 return status.type() == file_type::regular_file;
792 error_code is_regular_file(const Twine &path, bool &result) {
794 if (error_code ec = status(path, st))
796 result = is_regular_file(st);
797 return error_code::success();
800 bool is_symlink(file_status status) {
801 return status.type() == file_type::symlink_file;
804 error_code is_symlink(const Twine &path, bool &result) {
806 if (error_code ec = status(path, st))
808 result = is_symlink(st);
809 return error_code::success();
812 bool is_other(file_status status) {
813 return exists(status) &&
814 !is_regular_file(status) &&
815 !is_directory(status) &&
819 void directory_entry::replace_filename(const Twine &filename, file_status st) {
820 SmallString<128> path(Path.begin(), Path.end());
821 path::remove_filename(path);
822 path::append(path, filename);
827 error_code has_magic(const Twine &path, const Twine &magic, bool &result) {
828 SmallString<32> MagicStorage;
829 StringRef Magic = magic.toStringRef(MagicStorage);
830 SmallString<32> Buffer;
832 if (error_code ec = get_magic(path, Magic.size(), Buffer)) {
833 if (ec == errc::value_too_large) {
834 // Magic.size() > file_size(Path).
836 return error_code::success();
841 result = Magic == Buffer;
842 return error_code::success();
845 /// @brief Identify the magic in magic.
846 file_magic identify_magic(StringRef Magic) {
847 if (Magic.size() < 4)
848 return file_magic::unknown;
849 switch ((unsigned char)Magic[0]) {
851 // COFF short import library file
852 if (Magic[1] == (char)0x00 && Magic[2] == (char)0xff &&
853 Magic[3] == (char)0xff)
854 return file_magic::coff_import_library;
855 // Windows resource file
856 const char Expected[] = { 0, 0, 0, 0, '\x20', 0, 0, 0, '\xff' };
857 if (Magic.size() >= sizeof(Expected) &&
858 memcmp(Magic.data(), Expected, sizeof(Expected)) == 0)
859 return file_magic::windows_resource;
860 // 0x0000 = COFF unknown machine type
862 return file_magic::coff_object;
865 case 0xDE: // 0x0B17C0DE = BC wraper
866 if (Magic[1] == (char)0xC0 && Magic[2] == (char)0x17 &&
867 Magic[3] == (char)0x0B)
868 return file_magic::bitcode;
871 if (Magic[1] == 'C' && Magic[2] == (char)0xC0 && Magic[3] == (char)0xDE)
872 return file_magic::bitcode;
875 if (Magic.size() >= 8)
876 if (memcmp(Magic.data(),"!<arch>\n",8) == 0)
877 return file_magic::archive;
881 if (Magic.size() >= 18 && Magic[1] == 'E' && Magic[2] == 'L' &&
883 bool Data2MSB = Magic[5] == 2;
884 unsigned high = Data2MSB ? 16 : 17;
885 unsigned low = Data2MSB ? 17 : 16;
886 if (Magic[high] == 0)
887 switch (Magic[low]) {
889 case 1: return file_magic::elf_relocatable;
890 case 2: return file_magic::elf_executable;
891 case 3: return file_magic::elf_shared_object;
892 case 4: return file_magic::elf_core;
898 if (Magic[1] == char(0xFE) && Magic[2] == char(0xBA) &&
899 Magic[3] == char(0xBE)) {
900 // This is complicated by an overlap with Java class files.
901 // See the Mach-O section in /usr/share/file/magic for details.
902 if (Magic.size() >= 8 && Magic[7] < 43)
903 return file_magic::macho_universal_binary;
907 // The two magic numbers for mach-o are:
908 // 0xfeedface - 32-bit mach-o
909 // 0xfeedfacf - 64-bit mach-o
914 if (Magic[0] == char(0xFE) && Magic[1] == char(0xED) &&
915 Magic[2] == char(0xFA) &&
916 (Magic[3] == char(0xCE) || Magic[3] == char(0xCF))) {
918 if (Magic.size() >= 16) type = Magic[14] << 8 | Magic[15];
919 } else if ((Magic[0] == char(0xCE) || Magic[0] == char(0xCF)) &&
920 Magic[1] == char(0xFA) && Magic[2] == char(0xED) &&
921 Magic[3] == char(0xFE)) {
923 if (Magic.size() >= 14) type = Magic[13] << 8 | Magic[12];
927 case 1: return file_magic::macho_object;
928 case 2: return file_magic::macho_executable;
929 case 3: return file_magic::macho_fixed_virtual_memory_shared_lib;
930 case 4: return file_magic::macho_core;
931 case 5: return file_magic::macho_preload_executable;
932 case 6: return file_magic::macho_dynamically_linked_shared_lib;
933 case 7: return file_magic::macho_dynamic_linker;
934 case 8: return file_magic::macho_bundle;
935 case 9: return file_magic::macho_dynamic_linker;
936 case 10: return file_magic::macho_dsym_companion;
940 case 0xF0: // PowerPC Windows
941 case 0x83: // Alpha 32-bit
942 case 0x84: // Alpha 64-bit
943 case 0x66: // MPS R4000 Windows
945 case 0x4c: // 80386 Windows
946 if (Magic[1] == 0x01)
947 return file_magic::coff_object;
949 case 0x90: // PA-RISC Windows
950 case 0x68: // mc68K Windows
951 if (Magic[1] == 0x02)
952 return file_magic::coff_object;
955 case 0x4d: // Possible MS-DOS stub on Windows PE file
956 if (Magic[1] == 0x5a) {
958 *reinterpret_cast<const support::ulittle32_t*>(Magic.data() + 0x3c);
959 // PE/COFF file, either EXE or DLL.
960 if (off < Magic.size() && memcmp(Magic.data() + off, "PE\0\0",4) == 0)
961 return file_magic::pecoff_executable;
965 case 0x64: // x86-64 Windows.
966 if (Magic[1] == char(0x86))
967 return file_magic::coff_object;
973 return file_magic::unknown;
976 error_code identify_magic(const Twine &path, file_magic &result) {
977 SmallString<32> Magic;
978 error_code ec = get_magic(path, Magic.capacity(), Magic);
979 if (ec && ec != errc::value_too_large)
982 result = identify_magic(Magic);
983 return error_code::success();
987 error_code remove_all_r(StringRef path, file_type ft, uint32_t &count) {
988 if (ft == file_type::directory_file) {
989 // This code would be a lot better with exceptions ;/.
991 directory_iterator i(path, ec);
993 for (directory_iterator e; i != e; i.increment(ec)) {
996 if (error_code ec = i->status(st)) return ec;
997 if (error_code ec = remove_all_r(i->path(), st.type(), count)) return ec;
999 bool obviously_this_exists;
1000 if (error_code ec = remove(path, obviously_this_exists)) return ec;
1001 assert(obviously_this_exists);
1002 ++count; // Include the directory itself in the items removed.
1004 bool obviously_this_exists;
1005 if (error_code ec = remove(path, obviously_this_exists)) return ec;
1006 assert(obviously_this_exists);
1010 return error_code::success();
1012 } // end unnamed namespace
1014 error_code remove_all(const Twine &path, uint32_t &num_removed) {
1015 SmallString<128> path_storage;
1016 StringRef p = path.toStringRef(path_storage);
1019 if (error_code ec = status(path, fs))
1022 return remove_all_r(p, fs.type(), num_removed);
1025 error_code directory_entry::status(file_status &result) const {
1026 return fs::status(Path, result);
1029 } // end namespace fs
1030 } // end namespace sys
1031 } // end namespace llvm
1033 // Include the truly platform-specific parts.
1034 #if defined(LLVM_ON_UNIX)
1035 #include "Unix/Path.inc"
1037 #if defined(LLVM_ON_WIN32)
1038 #include "Windows/Path.inc"