Support: Move c_str from SmallVector back to SmallString and add a free standing

templated c_str in Windows.h to replace it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121381 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 14 insertions, 1 deletions

diff --git a/lib/Support/Windows/PathV2.inc b/lib/Support/Windows/PathV2.inc
index 6a1ea93..6b425c4 100644
--- a/lib/Support/Windows/PathV2.inc
+++ b/lib/Support/Windows/PathV2.inc
@@ -623,7 +623,7 @@ error_code directory_iterator_construct(directory_iterator& it,
 
   //  Get the first directory entry.
   WIN32_FIND_DATAW FirstFind;
-  ScopedFindHandle FindHandle(::FindFirstFileW(path_utf16.c_str(), &FirstFind));
+  ScopedFindHandle FindHandle(::FindFirstFileW(c_str(path_utf16), &FirstFind));
   if (!FindHandle)
     return windows_error(::GetLastError());
 
diff --git a/lib/Support/Windows/Windows.h b/lib/Support/Windows/Windows.h
index 12ddc92..6e0b585 100644
--- a/lib/Support/Windows/Windows.h
+++ b/lib/Support/Windows/Windows.h
@@ -102,3 +102,16 @@ public:
 typedef ScopedHandle<HANDLE, uintptr_t(-1),
                       BOOL (WINAPI*)(HANDLE), ::FindClose>
   ScopedFindHandle;
+
+namespace llvm {
+template <class T>
+class SmallVectorImpl;
+
+template <class T>
+typename SmallVectorImpl<T>::const_pointer
+c_str(SmallVectorImpl<T> &str) {
+  str.push_back(0);
+  str.pop_back();
+  return str.data();
+}
+} // end namespace llvm.