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Kludge: work around lack of syscall.seek on 386 and arm, #1906

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Revert this once syscall.seek is implemented
cf. https://github.com/tinygo-org/tinygo/issues/1906
This commit is contained in:
Dan Kegel
2022-01-18 01:03:34 +00:00
committed by Ron Evans
parent 322abf6d22
commit 60b483bd3b
5 changed files with 84 additions and 27 deletions
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src/os/file_windows.go
+14
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@@ -82,6 +82,20 @@ func (f unixFileHandle) Seek(offset int64, whence int) (int64, error) {
return newoffset, handleSyscallError(err)
}
// Seek sets the offset for the next Read or Write on file to offset, interpreted
// according to whence: 0 means relative to the origin of the file, 1 means
// relative to the current offset, and 2 means relative to the end.
// It returns the new offset and an error, if any.
// The behavior of Seek on a file opened with O_APPEND is not specified.
//
// If f is a directory, the behavior of Seek varies by operating
// system; you can seek to the beginning of the directory on Unix-like
// operating systems, but not on Windows.
// TODO: move this back to file.go once syscall.seek is implemented on 386 and arm.
func (f *File) Seek(offset int64, whence int) (ret int64, err error) {
return f.handle.Seek(offset, whence)
}
// isWindowsNulName reports whether name is os.DevNull ('NUL') on Windows.
// True is returned if name is 'NUL' whatever the case.
func isWindowsNulName(name string) bool {