Zig 0.17.0-dev (Split by item)

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lseek

Dispatch.lseek

fn lseek(ev: *Evented, fd: c.fd_t, offset: u64, whence: i32) File.SeekError!void

File

lib/std/Io/Dispatch.zig:3567

Code

fn lseek(ev: *Evented, fd: c.fd_t, offset: u64, whence: i32) File.SeekError!void {
    _ = ev;
    while (true) switch (c.errno(c.lseek(fd, @bitCast(offset), whence))) {
        .SUCCESS => return,
        .INTR => {},
        .BADF => |err| return errnoBug(err), // File descriptor used after closed.
        .INVAL => return error.Unseekable,
        .OVERFLOW => return error.Unseekable,
        .SPIPE => return error.Unseekable,
        .NXIO => return error.Unseekable,
        else => |err| return unexpectedErrno(err),
    };
}