crafcat7 commented on PR #15535:
URL: https://github.com/apache/nuttx/pull/15535#issuecomment-2589682189
> my suggestion
>
> introduce a hostfs backend api like:
>
> ```
> int host_convert_errno_to_nuttx(int host_error, int default_error)
> ```
>
> this PR can use
>
> ```c
> ret = -host_convert_errno_to_nuttx(-hf->fd, EBADF);
> ```
>
> an implementation for arch/sim/src/sim/posix/sim_hostfs.c can be
>
> ```c
> int host_convert_errno_to_nuttx(int host_error, int default_error)
> {
> #if defined(CONFIG_HOST_LINUX)
> return host_errno;
> #else
> if (host_error == 0)
> {
> return 0;
> }
> return default_error;
> #endif
> }
> ```
I made a revision based on your suggestion
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