From 5984680c1fe7ad98381154c26f9c009e4c91b08c Mon Sep 17 00:00:00 2001 From: Ted Kremenek Date: Wed, 26 Nov 2008 03:33:13 +0000 Subject: [PATCH] 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 --- include/llvm/Support/raw_ostream.h | 5 ++++- lib/Support/raw_ostream.cpp | 8 ++++++++ 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/include/llvm/Support/raw_ostream.h b/include/llvm/Support/raw_ostream.h index 709a063e2ae..2b4b17d7b29 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. diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp index a8e6c782bc9..b10677e3f27 100644 --- a/lib/Support/raw_ostream.cpp +++ b/lib/Support/raw_ostream.cpp @@ -253,6 +253,14 @@ void raw_fd_ostream::close() { FD = -1; } +uint64_t raw_fd_ostream::tell() { + // We have to take into account the bytes waiting in the buffer. For now + // we do the easy thing and just flush the buffer before getting the + // current file offset. + flush(); + return (uint64_t) lseek(FD, 0, SEEK_CUR); +} + //===----------------------------------------------------------------------===// // raw_stdout/err_ostream //===----------------------------------------------------------------------===// -- 2.34.1