Add GetCurrentDirectory back.

It looks like clang-tools-extra/unittests/cpp11-migrate/TransformTest.cpp
depends on the behaviour of the old one on Windows. Maybe a difference
between GetCurrentDirectoryA and GetCurrentDirectoryW?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184009 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/Support/Windows/Path.inc b/lib/Support/Windows/Path.inc
index bb1f77ab23..4a6e56350b 100644
--- a/lib/Support/Windows/Path.inc
+++ b/lib/Support/Windows/Path.inc
@@ -20,6 +20,9 @@
 #include <cstdio>
 #include <malloc.h>
 
+// We need to undo a macro defined in Windows.h, otherwise we won't compile:
+#undef GetCurrentDirectory
+
 // Windows happily accepts either forward or backward slashes, though any path
 // returned by a Win32 API will have backward slashes.  As LLVM code basically
 // assumes forward slashes are used, backward slashs are converted where they
@@ -196,6 +199,13 @@ Path::GetTemporaryDirectory(std::string* ErrMsg) {
   return *TempDirectory;
 }
 
+Path
+Path::GetCurrentDirectory() {
+  char pathname[MAX_PATH];
+  ::GetCurrentDirectoryA(MAX_PATH,pathname);
+  return Path(pathname);
+}
+
 /// GetMainExecutable - Return the path to the main executable, given the
 /// value of argv[0] from program startup.
 Path Path::GetMainExecutable(const char *argv0, void *MainAddr) {