Method setupNeedZip64

src/bin/zip/ZipMaker.java:274–298

(CenterFileHeader header)

    }

    private void setupNeedZip64(CenterFileHeader header) {
        if (forceZip64) {
            header.sizeNeedZip64 = true;
            header.offsetNeedZip64 = true;
        } else {
            // 只知道原体积但不知道压缩后体积时，若原体积大于0xf0000000L则采用zip64
            if (header.size >= 0xf0000000L && header.compressedSize == ZipEntry.UNKNOWN_SIZE) {
                header.sizeNeedZip64 = true;
            } else if (header.size >= MAX_ZIP_ENTRY_AND_ARCHIVE_SIZE ||
                    header.compressedSize >= MAX_ZIP_ENTRY_AND_ARCHIVE_SIZE) {
                header.sizeNeedZip64 = true;
            }
            if (header.headerOffset >= MAX_ZIP_ENTRY_AND_ARCHIVE_SIZE)
                header.offsetNeedZip64 = true;
        }
        if (header.needZip64()) {
            needsZip64EocdRecord = true;
        }
        if (header.size == ZipEntry.UNKNOWN_SIZE) {
            header.size = 0;
        }
        if (header.compressedSize == ZipEntry.UNKNOWN_SIZE) {
            header.compressedSize = 0;
        }
    }

    public void write(int b) throws IOException {
        topOutput.write(b);