Function generateUnixExternalFileAttr

lib/generate/ZipFileWorker.js:40–50

(unixPermissions, isDir)

 *                           ^^^^^^ DOS attribute bits : Archive, Directory, Volume label, System file, Hidden, Read only
 */
var generateUnixExternalFileAttr = function (unixPermissions, isDir) {

    var result = unixPermissions;
    if (!unixPermissions) {
        // I can't use octal values in strict mode, hence the hexa.
        //  040775 => 0x41fd
        // 0100664 => 0x81b4
        result = isDir ? 0x41fd : 0x81b4;
    }
    return (result & 0xFFFF) << 16;
};

/**
 * Generate the DOS part of the external file attributes.