github.com/gaukas/wazerofs@v0.1.0/sysfs/open_file_notwindows.go (about)

     1  //go:build !windows
     2  
     3  package sysfs
     4  
     5  import (
     6  	"io/fs"
     7  	"os"
     8  
     9  	"github.com/tetratelabs/wazero/experimental/sys"
    10  )
    11  
    12  // openFile is like os.OpenFile except it accepts a sys.Oflag and returns
    13  // sys.Errno. A zero sys.Errno is success.
    14  func openFile(path string, oflag sys.Oflag, perm fs.FileMode) (*os.File, sys.Errno) {
    15  	f, err := os.OpenFile(path, toOsOpenFlag(oflag), perm)
    16  	// Note: This does not return a sys.File because sys.FS that returns
    17  	// one may want to hide the real OS path. For example, this is needed for
    18  	// pre-opens.
    19  	return f, sys.UnwrapOSError(err)
    20  }