Re: [PR] hostfs_open:return errno from host [nuttx]

[via GitHub]

yamt commented on PR #15535:
URL: https://github.com/apache/nuttx/pull/15535#issuecomment-2589625126

   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
   }
   ```


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