Changes in directory llvm/lib/Support:

FileUtilities.cpp updated: 1.54 -> 1.55
---
Log message:

For PR789: http://llvm.org/PR789 :
Make the sys::Path::getFileStatus function more efficient by having it
return a pointer to the FileStatus structure rather than copy it. Adjust
uses of the function accordingly. Also, fix some memory issues in sys::Path.


---
Diffs of the changes:  (+6 -5)

 FileUtilities.cpp |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)


Index: llvm/lib/Support/FileUtilities.cpp
diff -u llvm/lib/Support/FileUtilities.cpp:1.54 
llvm/lib/Support/FileUtilities.cpp:1.55
--- llvm/lib/Support/FileUtilities.cpp:1.54     Thu Mar 29 11:48:16 2007
+++ llvm/lib/Support/FileUtilities.cpp  Thu Mar 29 14:05:44 2007
@@ -152,16 +152,17 @@
                                  const sys::Path &FileB,
                                  double AbsTol, double RelTol,
                                  std::string *Error) {
-  sys::FileStatus FileAStat, FileBStat;
-  if (FileA.getFileStatus(FileAStat, false, Error))
+  const sys::FileStatus *FileAStat = FileA.getFileStatus(false, Error);
+  if (!FileAStat)
     return 2;
-  if (FileB.getFileStatus(FileBStat, false, Error))
+  const sys::FileStatus *FileBStat = FileB.getFileStatus(false, Error);
+  if (!FileBStat)
     return 2;
 
   // Check for zero length files because some systems croak when you try to
   // mmap an empty file.
-  size_t A_size = FileAStat.getSize();
-  size_t B_size = FileBStat.getSize();
+  size_t A_size = FileAStat->getSize();
+  size_t B_size = FileBStat->getSize();
 
   // If they are both zero sized then they're the same
   if (A_size == 0 && B_size == 0)



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