[llvm-commits] [llvm] r85922 - /llvm/trunk/lib/Support/MemoryBuffer.cpp

[Duncan Sands]

Author: baldrick
Date: Tue Nov  3 13:10:22 2009
New Revision: 85922

URL: http://llvm.org/viewvc/llvm-project?rev=85922&view=rev
Log:
Make this code more robust by not thinking we are making progress
if zero bytes were read.

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=85922&r1=85921&r2=85922&view=diff

==============================================================================
--- llvm/trunk/lib/Support/MemoryBuffer.cpp (original)
+++ llvm/trunk/lib/Support/MemoryBuffer.cpp Tue Nov  3 13:10:22 2009
@@ -226,7 +226,7 @@
   size_t BytesLeft = FileSize;
   while (BytesLeft) {
     ssize_t NumRead = ::read(FD, BufPtr, BytesLeft);
-    if (NumRead != -1) {
+    if (NumRead > 0) {
       BytesLeft -= NumRead;
       BufPtr += NumRead;
     } else if (errno == EINTR) {