[libcxx-commits] [libcxx] faa3f75 - [libc++] Fix largefile handling in fs::copy_file (#121855)

[via libcxx-commits]

Author: Jannik Glückert
Date: 2025-01-07T09:29:35-05:00
New Revision: faa3f752896903c2d09d389970d3d0ebf50a1073

URL: https://github.com/llvm/llvm-project/commit/faa3f752896903c2d09d389970d3d0ebf50a1073
DIFF: https://github.com/llvm/llvm-project/commit/faa3f752896903c2d09d389970d3d0ebf50a1073.diff

LOG: [libc++] Fix largefile handling in fs::copy_file (#121855)

Fix for issues reported in https://github.com/llvm/llvm-project/pull/109211

Added: 
    

Modified: 
    libcxx/src/filesystem/operations.cpp

Removed: 
    


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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;