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

on macosx.

llvm-svn: 298338

1 files changed, 78 insertions, 0 deletions

diff --git a/lldb/source/Host/posix/FileSystem.cpp b/lldb/source/Host/posix/FileSystem.cpp
index 22f337fcfec..4c21fcd34a0 100644
--- a/lldb/source/Host/posix/FileSystem.cpp
+++ b/lldb/source/Host/posix/FileSystem.cpp
@@ -36,6 +36,33 @@ using namespace lldb_private;
 
 const char *FileSystem::DEV_NULL = "/dev/null";
 
+FileSpec::PathSyntax FileSystem::GetNativePathSyntax() {
+  return FileSpec::ePathSyntaxPosix;
+}
+
+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;
+  if (::link(dst.GetCString(), src.GetCString()) == -1)
+    error.SetErrorToErrno();
+  return error;
+}
+
+int FileSystem::GetHardlinkCount(const FileSpec &file_spec) {
+  struct stat file_stat;
+  if (::stat(file_spec.GetCString(), &file_stat) == 0)
+    return file_stat.st_nlink;
+
+  return -1;
+}
+
 Error FileSystem::Symlink(const FileSpec &src, const FileSpec &dst) {
   Error error;
   if (::symlink(dst.GetCString(), src.GetCString()) == -1)
@@ -43,6 +70,13 @@ Error FileSystem::Symlink(const FileSpec &src, const FileSpec &dst) {
   return error;
 }
 
+Error FileSystem::Unlink(const FileSpec &file_spec) {
+  Error error;
+  if (::unlink(file_spec.GetCString()) == -1)
+    error.SetErrorToErrno();
+  return error;
+}
+
 Error FileSystem::Readlink(const FileSpec &src, FileSpec &dst) {
   Error error;
   char buf[PATH_MAX];
@@ -74,6 +108,50 @@ Error FileSystem::ResolveSymbolicLink(const FileSpec &src, FileSpec &dst) {
   return Error();
 }
 
+#if defined(__NetBSD__)
+static bool IsLocal(const struct statvfs &info) {
+  return (info.f_flag & MNT_LOCAL) != 0;
+}
+#else
+static bool IsLocal(const struct statfs &info) {
+#ifdef __linux__
+#define CIFS_MAGIC_NUMBER 0xFF534D42
+  switch ((uint32_t)info.f_type) {
+  case NFS_SUPER_MAGIC:
+  case SMB_SUPER_MAGIC:
+  case CIFS_MAGIC_NUMBER:
+    return false;
+  default:
+    return true;
+  }
+#else
+  return (info.f_flags & MNT_LOCAL) != 0;
+#endif
+}
+#endif
+
+#if defined(__NetBSD__)
+bool FileSystem::IsLocal(const FileSpec &spec) {
+  struct statvfs statfs_info;
+  std::string path(spec.GetPath());
+  if (statvfs(path.c_str(), &statfs_info) == 0)
+    return ::IsLocal(statfs_info);
+  return false;
+}
+#else
+bool FileSystem::IsLocal(const FileSpec &spec) {
+  struct statfs statfs_info;
+  std::string path(spec.GetPath());
+  if (statfs(path.c_str(), &statfs_info) == 0)
+    return ::IsLocal(statfs_info);
+  return false;
+}
+#endif
+
 FILE *FileSystem::Fopen(const char *path, const char *mode) {
   return ::fopen(path, mode);
 }
+
+int FileSystem::Stat(const char *path, struct stat *stats) {
+  return ::stat(path, stats);
+}