[libc-commits] [libc] [llvm] [libc] Move fcntl implementation into the syscall_wrappers layer (PR #207878)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- libc/src/__support/File/linux/file.cpp libc/src/__support/OSUtil/linux/syscall_wrappers/dup2.h libc/src/__support/OSUtil/linux/syscall_wrappers/fcntl.h libc/src/fcntl/linux/fcntl.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/libc/src/__support/File/linux/file.cpp b/libc/src/__support/File/linux/file.cpp
index c526f2dd0..82395f977 100644
--- a/libc/src/__support/File/linux/file.cpp
+++ b/libc/src/__support/File/linux/file.cpp
@@ -139,7 +139,7 @@ ErrorOr<LinuxFile *> create_file_from_fd(int fd, const char *mode) {
       !(fd_flags & O_APPEND)) {
     do_seek = true;
     if (!linux_syscalls::fcntl(fd, F_SETFL,
-                         reinterpret_cast<void *>(fd_flags | O_APPEND))
+                               reinterpret_cast<void *>(fd_flags | O_APPEND))
              .has_value()) {
       return Error(EBADF);
     }

``````````

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https://github.com/llvm/llvm-project/pull/207878