Zig 0.17.0-dev (Split by item)

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seekToUnbuffered

Asserts that no data is currently buffered.

Writer.seekToUnbuffered

pub fn seekToUnbuffered(w: *Writer, offset: u64) SeekError!void

File

lib/std/Io/File/Writer.zig:209

Code

pub fn seekToUnbuffered(w: *Writer, offset: u64) SeekError!void {
    assert(w.interface.buffered().len == 0);
    const io = w.io;
    switch (w.mode) {
        .positional, .positional_simple => {
            w.pos = offset;
        },
        .streaming, .streaming_simple => {
            if (w.seek_err) |err| return err;
            io.vtable.fileSeekTo(io.userdata, w.file, offset) catch |err| {
                w.seek_err = err;
                return err;
            };
            w.pos = offset;
        },
        .failure => return w.seek_err.?,
    }
}