'use strict';

/**
 * Check if a Buffer/Uint8Array is a TAR file
 *
 * @param {Buffer} buf
 * @api public
 */

module.exports = function (buf) {
    if (!buf || buf.length < 262) {
        return false;
    }

    return buf[257] === 117 && buf[258] === 115 && buf[259] === 116 && buf[260] === 97 && buf[261] === 114;
};