Handle paths longer than MAX_PATH on windows

bazelbuild · Feb 3, 2022 · e5cfc0d · e5cfc0d
1 parent 85e03da
commit e5cfc0d
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/util/process_wrapper/system_windows.cc b/util/process_wrapper/system_windows.cc
@@ -191,7 +191,9 @@ System::StrType System::GetWorkingDirectory() {
   if (::GetCurrentDirectory(kMaxBufferLength, buffer) == 0) {
     return System::StrType{};
   }
-  return System::StrType{buffer};
+  // Account for MAX_PATH limitations
+  // https://docs.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation?tabs=cmd
+  return System::StrType{"\\\\?\\"} + System::StrType{buffer};
 }
 
 int System::Exec(const System::StrType& executable,