Revert r298334 until Zachary has a chance to fix the buildbot failure

on macosx.

llvm-svn: 298338

1 files changed, 87 insertions, 0 deletions

diff --git a/lldb/source/Host/windows/FileSystem.cpp b/lldb/source/Host/windows/FileSystem.cpp
index 907c0c9337a..e834c85a28c 100644
--- a/lldb/source/Host/windows/FileSystem.cpp
+++ b/lldb/source/Host/windows/FileSystem.cpp
@@ -26,6 +26,49 @@ const char *FileSystem::DEV_NULL = "nul";
 const char *FileSystem::PATH_CONVERSION_ERROR =
     "Error converting path between UTF-8 and native encoding";
 
+FileSpec::PathSyntax FileSystem::GetNativePathSyntax() {
+  return FileSpec::ePathSyntaxWindows;
+}
+
+lldb::user_id_t FileSystem::GetFileSize(const FileSpec &file_spec) {
+  return file_spec.GetByteSize();
+}
+
+bool FileSystem::GetFileExists(const FileSpec &file_spec) {
+  return file_spec.Exists();
+}
+
+Error FileSystem::Hardlink(const FileSpec &src, const FileSpec &dst) {
+  Error error;
+  std::wstring wsrc, wdst;
+  if (!llvm::ConvertUTF8toWide(src.GetCString(), wsrc) ||
+      !llvm::ConvertUTF8toWide(dst.GetCString(), wdst))
+    error.SetErrorString(PATH_CONVERSION_ERROR);
+  else if (!::CreateHardLinkW(wsrc.c_str(), wdst.c_str(), nullptr))
+    error.SetError(::GetLastError(), lldb::eErrorTypeWin32);
+  return error;
+}
+
+int FileSystem::GetHardlinkCount(const FileSpec &file_spec) {
+  std::wstring path;
+  if (!llvm::ConvertUTF8toWide(file_spec.GetCString(), path))
+    return -1;
+
+  HANDLE file_handle =
+      ::CreateFileW(path.c_str(), FILE_READ_ATTRIBUTES, FILE_SHARE_READ,
+                    nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
+
+  if (file_handle == INVALID_HANDLE_VALUE)
+    return -1;
+
+  AutoHandle auto_file_handle(file_handle);
+  BY_HANDLE_FILE_INFORMATION file_info;
+  if (::GetFileInformationByHandle(file_handle, &file_info))
+    return file_info.nNumberOfLinks;
+
+  return -1;
+}
+
 Error FileSystem::Symlink(const FileSpec &src, const FileSpec &dst) {
   Error error;
   std::wstring wsrc, wdst;
@@ -47,6 +90,19 @@ Error FileSystem::Symlink(const FileSpec &src, const FileSpec &dst) {
   return error;
 }
 
+Error FileSystem::Unlink(const FileSpec &file_spec) {
+  Error error;
+  std::wstring path;
+  if (!llvm::ConvertUTF8toWide(file_spec.GetCString(), path)) {
+    error.SetErrorString(PATH_CONVERSION_ERROR);
+    return error;
+  }
+  BOOL result = ::DeleteFileW(path.c_str());
+  if (!result)
+    error.SetError(::GetLastError(), lldb::eErrorTypeWin32);
+  return error;
+}
+
 Error FileSystem::Readlink(const FileSpec &src, FileSpec &dst) {
   Error error;
   std::wstring wsrc;
@@ -84,6 +140,15 @@ Error FileSystem::ResolveSymbolicLink(const FileSpec &src, FileSpec &dst) {
   return Error("ResolveSymbolicLink() isn't implemented on Windows");
 }
 
+bool FileSystem::IsLocal(const FileSpec &spec) {
+  if (spec) {
+    // TODO: return true if the file is on a locally mounted file system
+    return true;
+  }
+
+  return false;
+}
+
 FILE *FileSystem::Fopen(const char *path, const char *mode) {
   std::wstring wpath, wmode;
   if (!llvm::ConvertUTF8toWide(path, wpath))
@@ -95,3 +160,25 @@ FILE *FileSystem::Fopen(const char *path, const char *mode) {
     return nullptr;
   return file;
 }
+
+int FileSystem::Stat(const char *path, struct stat *stats) {
+  std::wstring wpath;
+  if (!llvm::ConvertUTF8toWide(path, wpath)) {
+    errno = EINVAL;
+    return -EINVAL;
+  }
+  int stat_result;
+#ifdef _USE_32BIT_TIME_T
+  struct _stat32 file_stats;
+  stat_result = ::_wstat32(wpath.c_str(), &file_stats);
+#else
+  struct _stat64i32 file_stats;
+  stat_result = ::_wstat64i32(wpath.c_str(), &file_stats);
+#endif
+  if (stat_result == 0) {
+    static_assert(sizeof(struct stat) == sizeof(file_stats),
+                  "stat and _stat32/_stat64i32 must have the same layout");
+    *stats = *reinterpret_cast<struct stat *>(&file_stats);
+  }
+  return stat_result;
+}