From e0df357dbdd69e8e0bd3c211a4cc099b084d999f Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Wed, 8 Nov 2017 01:05:44 +0000
Subject: Convert FileOutputBuffer to Expected. NFC.

llvm-svn: 317649
---
 llvm/lib/Support/FileOutputBuffer.cpp | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

(limited to 'llvm/lib/Support/FileOutputBuffer.cpp')

diff --git a/llvm/lib/Support/FileOutputBuffer.cpp b/llvm/lib/Support/FileOutputBuffer.cpp
index 1e20b01fc4a..d81541b43d7 100644
--- a/llvm/lib/Support/FileOutputBuffer.cpp
+++ b/llvm/lib/Support/FileOutputBuffer.cpp
@@ -38,7 +38,7 @@ public:
                std::unique_ptr<fs::mapped_file_region> Buf)
       : FileOutputBuffer(Path), Buffer(std::move(Buf)), TempPath(TempPath) {}
 
-  static ErrorOr<std::unique_ptr<OnDiskBuffer>>
+  static Expected<std::unique_ptr<OnDiskBuffer>>
   create(StringRef Path, size_t Size, unsigned Mode);
 
   uint8_t *getBufferStart() const override { return (uint8_t *)Buffer->data(); }
@@ -78,13 +78,13 @@ public:
   InMemoryBuffer(StringRef Path, MemoryBlock Buf, unsigned Mode)
       : FileOutputBuffer(Path), Buffer(Buf), Mode(Mode) {}
 
-  static ErrorOr<std::unique_ptr<InMemoryBuffer>>
+  static Expected<std::unique_ptr<InMemoryBuffer>>
   create(StringRef Path, size_t Size, unsigned Mode) {
     std::error_code EC;
     MemoryBlock MB = Memory::allocateMappedMemory(
         Size, nullptr, sys::Memory::MF_READ | sys::Memory::MF_WRITE, EC);
     if (EC)
-      return EC;
+      return errorCodeToError(EC);
     return llvm::make_unique<InMemoryBuffer>(Path, MB, Mode);
   }
 
@@ -111,13 +111,13 @@ private:
   unsigned Mode;
 };
 
-ErrorOr<std::unique_ptr<OnDiskBuffer>>
+Expected<std::unique_ptr<OnDiskBuffer>>
 OnDiskBuffer::create(StringRef Path, size_t Size, unsigned Mode) {
   // Create new file in same directory but with random name.
   SmallString<128> TempPath;
   int FD;
   if (auto EC = fs::createUniqueFile(Path + ".tmp%%%%%%%", FD, TempPath, Mode))
-    return EC;
+    return errorCodeToError(EC);
 
   sys::RemoveFileOnSignal(TempPath);
 
@@ -128,7 +128,7 @@ OnDiskBuffer::create(StringRef Path, size_t Size, unsigned Mode) {
   // pretty slow just like it writes specified amount of bytes,
   // so we should avoid calling that function.
   if (auto EC = fs::resize_file(FD, Size))
-    return EC;
+    return errorCodeToError(EC);
 #endif
 
   // Mmap it.
@@ -137,12 +137,12 @@ OnDiskBuffer::create(StringRef Path, size_t Size, unsigned Mode) {
       FD, fs::mapped_file_region::readwrite, Size, 0, EC);
   close(FD);
   if (EC)
-    return EC;
+    return errorCodeToError(EC);
   return llvm::make_unique<OnDiskBuffer>(Path, TempPath, std::move(MappedFile));
 }
 
 // Create an instance of FileOutputBuffer.
-ErrorOr<std::unique_ptr<FileOutputBuffer>>
+Expected<std::unique_ptr<FileOutputBuffer>>
 FileOutputBuffer::create(StringRef Path, size_t Size, unsigned Flags) {
   unsigned Mode = fs::all_read | fs::all_write;
   if (Flags & F_executable)
@@ -161,7 +161,7 @@ FileOutputBuffer::create(StringRef Path, size_t Size, unsigned Flags) {
   // destination file and write to it on commit().
   switch (Stat.type()) {
   case fs::file_type::directory_file:
-    return errc::is_a_directory;
+    return errorCodeToError(errc::is_a_directory);
   case fs::file_type::regular_file:
   case fs::file_type::file_not_found:
   case fs::file_type::status_error:
-- 
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