[llvm-commits] CVS: llvm/lib/Support/FileUtilities.cpp

[Chris Lattner]

Changes in directory llvm/lib/Support:

FileUtilities.cpp updated: 1.14 -> 1.15

---
Log message:

Factor FDHandle out of the bytecode reader into the FileUtilities.h support 
routines.


---
Diffs of the changes:  (+23 -0)

Index: llvm/lib/Support/FileUtilities.cpp
diff -u llvm/lib/Support/FileUtilities.cpp:1.14 llvm/lib/Support/FileUtilities.cpp:1.15
--- llvm/lib/Support/FileUtilities.cpp:1.14	Sun Dec 14 15:35:53 2003
+++ llvm/lib/Support/FileUtilities.cpp	Mon Dec 29 15:35:05 2003
@@ -194,3 +194,26 @@
 bool llvm::MakeFileReadable(const std::string &Filename) {
   return AddPermissionsBits(Filename, 0444);
 }
+
+//===----------------------------------------------------------------------===//
+// FDHandle class implementation
+//
+
+FDHandle::~FDHandle() {
+  if (FD != -1) close(FD);
+}
+
+FDHandle &FDHandle::operator=(int fd) {
+  if (FD != -1) close(FD);
+  FD = fd;
+  return *this;
+}
+
+
+/// take - Take ownership of the file descriptor away from the FDHandle
+/// object, so that the file is not closed when the FDHandle is destroyed.
+int FDHandle::take() {
+  int Ret = FD;
+  FD = -1;
+  return Ret;
+}