Add 'tell' method to raw_fd_ostream that clients can use to query the current location in the file the stream is writing to.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60085 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 1 deletions

diff --git a/include/llvm/Support/raw_ostream.h b/include/llvm/Support/raw_ostream.h
index 709a063e2a..2b4b17d7b2 100644
--- a/include/llvm/Support/raw_ostream.h
+++ b/include/llvm/Support/raw_ostream.h
@@ -175,7 +175,10 @@ public:
   virtual void flush_impl();
   
   /// close - Manually flush the stream and close the file.
-  void close();  
+  void close();
+  
+  /// tell - Return the current offset with the file.
+  uint64_t tell();
 };
   
 /// raw_stdout_ostream - This is a stream that always prints to stdout.