Split openFileForRead into Windows and Unix versions.

This has some advantages:

* Lets us use native, utf16 windows functions.
* Easy to produce good errors on windows about trying to use a
directory when we want a file.
* Simplifies the unix version a bit.

llvm-svn: 186511

1 files changed, 0 insertions, 15 deletions

diff --git a/llvm/lib/Support/Path.cpp b/llvm/lib/Support/Path.cpp
index 0fb7666aeba..171ccc3970e 100644
--- a/llvm/lib/Support/Path.cpp
+++ b/llvm/lib/Support/Path.cpp
@@ -722,21 +722,6 @@ error_code openFileForWrite(const Twine &Name, int &ResultFD,
   return error_code::success();
 }
 
-error_code openFileForRead(const Twine &Name, int &ResultFD) {
-  int OpenFlags = O_RDONLY;
-#ifdef O_BINARY
-  OpenFlags |= O_BINARY; // Open input file in binary mode on win32.
-#endif
-
-  SmallString<128> Storage;
-  StringRef P = Name.toNullTerminatedStringRef(Storage);
-  while ((ResultFD = open(P.begin(), OpenFlags)) < 0) {
-    if (errno != EINTR)
-      return error_code(errno, system_category());
-  }
-  return error_code::success();
-}
-
 error_code make_absolute(SmallVectorImpl<char> &path) {
   StringRef p(path.data(), path.size());