[libcxx-commits] [libcxx] [libc++] fix largefile handling in fs::copy_file (PR #121855)

[via libcxx-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libcxx

Author: Jannik Glückert (Jannik2099)

<details>
<summary>Changes</summary>

fix for https://github.com/llvm/llvm-project/pull/109211

---
Full diff: https://github.com/llvm/llvm-project/pull/121855.diff


1 Files Affected:

- (modified) libcxx/src/filesystem/operations.cpp (+6) 


``````````diff
diff --git a/libcxx/src/filesystem/operations.cpp b/libcxx/src/filesystem/operations.cpp
index bd37c5af86f6c3..208a55723d8838 100644
--- a/libcxx/src/filesystem/operations.cpp
+++ b/libcxx/src/filesystem/operations.cpp
@@ -238,8 +238,14 @@ bool copy_file_impl_copy_file_range(FileDescriptor& read_fd, FileDescriptor& wri
     return false;
   }
   // do not modify the fd positions as copy_file_impl_sendfile may be called after a partial copy
+#  if defined(__linux__)
+  loff_t off_in  = 0;
+  loff_t off_out = 0;
+#  else
   off_t off_in  = 0;
   off_t off_out = 0;
+#  endif
+
   do {
     ssize_t res;
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/121855