Trait sys_util::SeekHole

pub trait SeekHole {
    fn seek_hole(&mut self, offset: u64) -> Result<Option<u64>>;
    fn seek_data(&mut self, offset: u64) -> Result<Option<u64>>;
}

A trait for seeking to the next hole or non-hole position in a file.

Required methods

fn seek_hole(&mut self, offset: u64) -> Result<Option<u64>>

Seek to the first hole in a file at a position greater than or equal to offset. If no holes exist after offset, the seek position will be set to the end of the file. If offset is at or after the end of the file, the seek position is unchanged, and None is returned. Returns the current seek position after the seek or an error.

fn seek_data(&mut self, offset: u64) -> Result<Option<u64>>

Seek to the first data in a file at a position greater than or equal to offset. If no data exists after offset, the seek position is unchanged, and None is returned. Returns the current offset after the seek or an error.

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Implementations on Foreign Types

impl SeekHole for File

fn seek_hole(&mut self, offset: u64) -> Result<Option<u64>>

fn seek_data(&mut self, offset: u64) -> Result<Option<u64>>

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Implementors

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