Need help on QNX compression algorithm.

Hi All,

We need support for compression of executables and libraries on QNX 6.3.0.
Presenting we are using DEFLATE as a compression tool which is providing maximum 50% compression. We are looking for some other QNX compression tool which can provide the higher and better compression rate compare to Deflate.

We found one compression algorithm called UPX on linux based OS but it does not support QNX as of now. This UPX tool gives higher and better compression rate than Deflate.

Link for UPX.

  1. If anyone has any info regarding QNX compression tool, please tell us?
  2. or how can we port UPX compression tool on QNX envirnment?

Early response will be very helpful for us.

Vivek Bairathi.

We use 7za, there are binaries available for 6.4.1 and 6.5.0 don’t know about 6.3.0 though. However there is no support for automatic decompression, or in-place decompression. This is tool just like gzip or bzip2, but with much better compression ratio.

I’ve ported minizip to QNX 6.3.2 and it seems to do a good job.