[PATCH] D154329: [lldb] Replace llvm::writeFileAtomically with llvm::writeToOutput API.

[Haojian Wu via Phabricator via cfe-commits]

hokein created this revision.
hokein added reviewers: avl, JDevlieghere.
Herald added a project: All.
hokein requested review of this revision.
Herald added a project: LLDB.
Herald added a subscriber: lldb-commits.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D154329

Files:
  lldb/tools/lldb-server/lldb-platform.cpp


Index: lldb/tools/lldb-server/lldb-platform.cpp
===================================================================
--- lldb/tools/lldb-server/lldb-platform.cpp
+++ lldb/tools/lldb-server/lldb-platform.cpp
@@ -22,7 +22,6 @@
 #include <optional>
 
 #include "llvm/Support/FileSystem.h"
-#include "llvm/Support/FileUtilities.h"
 #include "llvm/Support/WithColor.h"
 #include "llvm/Support/raw_ostream.h"
 
@@ -103,38 +102,14 @@
     return Status("Failed to create directory %s: %s",
                   temp_file_spec.GetPath().c_str(), error.AsCString());
 
-  llvm::SmallString<64> temp_file_path;
-  temp_file_spec.AppendPathComponent("port-file.%%%%%%");
-  temp_file_path = temp_file_spec.GetPath();
-
   Status status;
-  if (auto Err =
-          handleErrors(llvm::writeFileAtomically(
-                           temp_file_path, file_spec.GetPath(), socket_id),
-                       [&status, &file_spec](const AtomicFileWriteError &E) {
-                         std::string ErrorMsgBuffer;
-                         llvm::raw_string_ostream S(ErrorMsgBuffer);
-                         E.log(S);
-
-                         switch (E.Error) {
-                         case atomic_write_error::failed_to_create_uniq_file:
-                           status = Status("Failed to create temp file: %s",
-                                           ErrorMsgBuffer.c_str());
-                           break;
-                         case atomic_write_error::output_stream_error:
-                           status = Status("Failed to write to port file.");
-                           break;
-                         case atomic_write_error::failed_to_rename_temp_file:
-                           status = Status("Failed to rename file %s to %s: %s",
-                                           ErrorMsgBuffer.c_str(),
-                                           file_spec.GetPath().c_str(),
-                                           ErrorMsgBuffer.c_str());
-                           break;
-                         }
-                       })) {
+  if (auto Err = llvm::writeToOutput(file_spec.GetPath(),
+                                     [&socket_id](llvm::raw_ostream &OS) {
+                                       OS << socket_id;
+                                       return llvm::Error::success();
+                                     }))
     return Status("Failed to atomically write file %s",
                   file_spec.GetPath().c_str());
-  }
   return status;
 }
 


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