X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FSupport%2FFileOutputBuffer.cpp;h=94bcdc58a8062d2c2a9179a3a6811044b40fa3bf;hb=be63d589633bbfa068b923c60eaaeee1b27647c5;hp=c8ed1ddef656c9feca3079e7e9f636edfce14d41;hpb=9ac3cc8a251a67e155c55bb2550f0fb5e5f07018;p=oota-llvm.git

diff --git a/lib/Support/FileOutputBuffer.cpp b/lib/Support/FileOutputBuffer.cpp
index c8ed1ddef65..94bcdc58a80 100644
--- a/lib/Support/FileOutputBuffer.cpp
+++ b/lib/Support/FileOutputBuffer.cpp
@@ -11,10 +11,11 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/Support/Errc.h"
 #include "llvm/Support/FileOutputBuffer.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/system_error.h"
+#include <system_error>
 
 using llvm::sys::fs::mapped_file_region;
 
@@ -30,13 +31,13 @@ FileOutputBuffer::~FileOutputBuffer() {
   sys::fs::remove(Twine(TempPath));
 }
 
-error_code FileOutputBuffer::create(StringRef FilePath,
-                                    size_t Size,
-                                    std::unique_ptr<FileOutputBuffer> &Result,
-                                    unsigned Flags) {
+std::error_code
+FileOutputBuffer::create(StringRef FilePath, size_t Size,
+                         std::unique_ptr<FileOutputBuffer> &Result,
+                         unsigned Flags) {
   // If file already exists, it must be a regular file (to be mappable).
   sys::fs::file_status Stat;
-  error_code EC = sys::fs::status(FilePath, Stat);
+  std::error_code EC = sys::fs::status(FilePath, Stat);
   switch (Stat.type()) {
     case sys::fs::file_type::file_not_found:
       // If file does not exist, we'll create one.
@@ -51,7 +52,7 @@ error_code FileOutputBuffer::create(StringRef FilePath,
       if (EC)
         return EC;
       else
-        return std::make_error_code(std::errc::operation_not_permitted);
+        return make_error_code(errc::operation_not_permitted);
   }
 
   // Delete target file.
@@ -81,16 +82,16 @@ error_code FileOutputBuffer::create(StringRef FilePath,
   if (Result)
     MappedFile.release();
 
-  return error_code();
+  return std::error_code();
 }
 
-error_code FileOutputBuffer::commit(int64_t NewSmallerSize) {
+std::error_code FileOutputBuffer::commit(int64_t NewSmallerSize) {
   // Unmap buffer, letting OS flush dirty pages to file on disk.
-  Region.reset(nullptr);
+  Region.reset();
 
   // If requested, resize file as part of commit.
   if ( NewSmallerSize != -1 ) {
-    error_code EC = sys::fs::resize_file(Twine(TempPath), NewSmallerSize);
+    std::error_code EC = sys::fs::resize_file(Twine(TempPath), NewSmallerSize);
     if (EC)
       return EC;
   }