[llvm-commits] [llvm] r63044 - in /llvm/trunk: include/llvm/Support/raw_ostream.h lib/Support/raw_ostream.cpp

[Ted Kremenek]

Author: kremenek
Date: Mon Jan 26 15:42:04 2009
New Revision: 63044

URL: http://llvm.org/viewvc/llvm-project?rev=63044&view=rev
Log:
Add method raw_fd_ostream::seek() for random access within a file.

Modified:
    llvm/trunk/include/llvm/Support/raw_ostream.h
    llvm/trunk/lib/Support/raw_ostream.cpp

Modified: llvm/trunk/include/llvm/Support/raw_ostream.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/raw_ostream.h?rev=63044&r1=63043&r2=63044&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Support/raw_ostream.h (original)
+++ llvm/trunk/include/llvm/Support/raw_ostream.h Mon Jan 26 15:42:04 2009
@@ -181,7 +181,11 @@
   /// tell - Return the current offset with the file.
   uint64_t tell() {
     return pos + (OutBufCur - OutBufStart);
-  }  
+  }
+  
+  /// seek - Flushes the stream and repositions the underlying file descriptor
+  ///  positition to the offset specified from the beginning of the file.
+  uint64_t seek(uint64_t off);
 };
   
 /// raw_stdout_ostream - This is a stream that always prints to stdout.

Modified: llvm/trunk/lib/Support/raw_ostream.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/raw_ostream.cpp?rev=63044&r1=63043&r2=63044&view=diff

==============================================================================
--- llvm/trunk/lib/Support/raw_ostream.cpp (original)
+++ llvm/trunk/lib/Support/raw_ostream.cpp Mon Jan 26 15:42:04 2009
@@ -255,6 +255,12 @@
   FD = -1;
 }
 
+uint64_t raw_fd_ostream::seek(uint64_t off) {
+  flush();
+  pos = lseek(FD, off, SEEK_SET);
+  return pos;  
+}
+
 //===----------------------------------------------------------------------===//
 //  raw_stdout/err_ostream
 //===----------------------------------------------------------------------===//