[llvm-commits] [llvm] r75758 - /llvm/trunk/lib/Support/raw_ostream.cpp

[Daniel Dunbar]

Author: ddunbar
Date: Wed Jul 15 03:11:46 2009
New Revision: 75758

URL: http://llvm.org/viewvc/llvm-project?rev=75758&view=rev
Log:
Detect write failures on raw_fd_ostream.

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

Modified: llvm/trunk/lib/Support/raw_ostream.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/raw_ostream.cpp?rev=75758&r1=75757&r2=75758&view=diff

==============================================================================
--- llvm/trunk/lib/Support/raw_ostream.cpp (original)
+++ llvm/trunk/lib/Support/raw_ostream.cpp Wed Jul 15 03:11:46 2009
@@ -18,6 +18,7 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Config/config.h"
 #include "llvm/Support/Compiler.h"
+#include "llvm/Support/ErrorHandling.h"
 #include <ostream>
 
 #if defined(HAVE_UNISTD_H)
@@ -285,7 +286,8 @@
 void raw_fd_ostream::write_impl(const char *Ptr, unsigned Size) {
   assert (FD >= 0 && "File already closed.");
   pos += Size;
-  ::write(FD, Ptr, Size);
+  if (::write(FD, Ptr, Size) != (ssize_t) Size)
+    llvm_report_error("IO failure writing to output stream.");
 }
 
 void raw_fd_ostream::close() {
@@ -298,7 +300,7 @@
 
 uint64_t raw_fd_ostream::seek(uint64_t off) {
   flush();
-  pos = lseek(FD, off, SEEK_SET);
+  pos = ::lseek(FD, off, SEEK_SET);
   return pos;  
 }