Support/FileSystem: Add status implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120870 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Unix/PathV2.inc b/lib/Support/Unix/PathV2.inc
index d8575bf..f71212f 100644
--- a/lib/Support/Unix/PathV2.inc
+++ b/lib/Support/Unix/PathV2.inc
@@ -277,6 +277,38 @@
return make_error_code(errc::success);
}
+error_code status(const Twine &path, file_status &result) {
+ SmallString<128> path_storage;
+ StringRef p = path.toNullTerminatedStringRef(path_storage);
+
+ struct stat status;
+ if (::stat(p.begin(), &status) != 0) {
+ error_code ec(errno, system_category());
+ if (ec == errc::no_such_file_or_directory)
+ result = file_status(file_type::file_not_found);
+ else
+ result = file_status(file_type::status_error);
+ return ec;
+ }
+
+ if (S_ISDIR(status.st_mode))
+ result = file_status(file_type::directory_file);
+ else if (S_ISREG(status.st_mode))
+ result = file_status(file_type::regular_file);
+ else if (S_ISBLK(status.st_mode))
+ result = file_status(file_type::block_file);
+ else if (S_ISCHR(status.st_mode))
+ result = file_status(file_type::character_file);
+ else if (S_ISFIFO(status.st_mode))
+ result = file_status(file_type::fifo_file);
+ else if (S_ISSOCK(status.st_mode))
+ result = file_status(file_type::socket_file);
+ else
+ result = file_status(file_type::type_unknown);
+
+ return success;
+}
+
error_code unique_file(const Twine &model, int &result_fd,
SmallVectorImpl<char> &result_path) {
SmallString<128> Model;