[llvm] r208396 - MemoryBuffer: don't force mmap when stat fails

[Alp Toker]

Author: alp
Date: Fri May  9 03:57:32 2014
New Revision: 208396

URL: http://llvm.org/viewvc/llvm-project?rev=208396&view=rev
Log:
MemoryBuffer: don't force mmap when stat fails

Fix error handling introduced in r127426 that could result in MemoryBuffers not
having null termination.

Modified:
    llvm/trunk/lib/Support/MemoryBuffer.cpp

Modified: llvm/trunk/lib/Support/MemoryBuffer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/MemoryBuffer.cpp?rev=208396&r1=208395&r2=208396&view=diff
==============================================================================
--- llvm/trunk/lib/Support/MemoryBuffer.cpp (original)
+++ llvm/trunk/lib/Support/MemoryBuffer.cpp Fri May  9 03:57:32 2014
@@ -320,9 +320,8 @@ static bool shouldUseMmap(int FD,
   // RequiresNullTerminator = false and MapSize != -1.
   if (FileSize == size_t(-1)) {
     sys::fs::file_status Status;
-    error_code EC = sys::fs::status(FD, Status);
-    if (EC)
-      return EC;
+    if (sys::fs::status(FD, Status))
+      return false;
     FileSize = Status.getSize();
   }