sgraenitz added a comment.

Good initiative to fix potential nullptr assignments to `std::string`.

In D55653#1400513 <https://reviews.llvm.org/D55653#1400513>, @tatyana-krasnukha 
wrote:

> a caller still should examine pointers he passes to CMIUtilString::Format as 
> the ellipsis parameter.


So `Format()` and `Printf()` don't handle `nullptr` arguments already?

In D55653#1398660 <https://reviews.llvm.org/D55653#1398660>, @JDevlieghere 
wrote:

> Have you considered wrapping raw strings in llvm's `StringRef`s?


+1 in general (but it may be a bigger effort)



================
Comment at: unittests/tools/lldb-mi/CMakeLists.txt:1
+include_directories(${LLDB_PROJECT_ROOT}/tools/lldb-mi)
+add_subdirectory(utils)
----------------
`LLDB_PROJECT_ROOT` is rarely used, maybe prefer `LLDB_SOURCE_DIR`?


================
Comment at: unittests/tools/lldb-mi/utils/CMakeLists.txt:3
+  ${LLDB_PROJECT_ROOT}/tools/lldb-mi/MIUtilString.cpp
+  )
+
----------------
Nice workaround for not having a library target at hand for linking!


================
Comment at: unittests/tools/lldb-mi/utils/StringTest.cpp:1
+//===-- LLGSTest.cpp --------------------------------------------*- C++ 
-*-===//
+//
----------------
update name


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55653/new/

https://reviews.llvm.org/D55653



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