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Thread: Non Windows or Linux compressors

  1. #1
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    Non Windows or Linux compressors

    Is there any interest in non-windows-mac-linux compressors here.

    While most of my code is in C and C++, the system calls are for the Haiku-OS, and I don't know if people are interested here in looking at code that will not compile on their own machines without doing a bit of work on the code first.

    If yes, is it best to supply the text code in a zip file.

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    I imagine that any platform, e.g. Haiku, that can support modern development tools (G++, FPC) is acceptable here, esp. if an .iso is freely available.

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    Differences in OSs

    Quote Originally Posted by Rugxulo View Post
    I imagine that any platform, e.g. Haiku, that can support modern development tools (G++, FPC) is acceptable here, esp. if an .iso is freely available.
    I don't know about an .iso (do you mean a bootable CD?) but at present I am writing my code in pure C. My problem is that I have never written for Windows or Linux (My background for micros is assembler for 6502 and 68000 machines. My C code was for the Amiga series and C++ for BeOS and Haiku-OS).

    I know enough to know that my code might have assumptions in it that I don't realize exists, I already just discovered a bug in the hashing that probably if others had been looking they could have pointed it out.

    The compressor I am working on is intended to be a module inside a ram drive, it's speed is as important as the compression ratio.

    Basically, I am concerned that others will not be able to compile or test my code on non-Haiku machine.

    Hopefully my posted code will be generic enough for all.

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    Quote Originally Posted by Earl Colby Pottinger View Post
    Hopefully my posted code will be generic enough for all.
    Post it already )

    You use gcc?

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    Code is not ready

    I am presently in a in-between stage where the code would be a mess to others. Really, I was just asking if I would be on-topic to post here first to avoid getting flamed.

    I see if I can get something readable by the weekend.

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    Hey Earl, nice to see you here, I only joined to reply to your post.

    I wouldn't mind helping you port the code to any OS, I assume just a few ANSI C function calls are probably all you need ( unless you are using your own memory manager or such other thing ).

    I have also started working on a lossless compressor in my spare time, with just some pieces of theory on PPM and related techniques... After looking at the PAQ source, I realize I took a rather different direction but it's still working pretty well ( world95.txt at 85% so far ).

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    Assumptions

    Ok, I have to rewrite some basic parts of the code. Nothing major, but after adding some code to report on how my code was operating on the test data I found I had made a number of very bad assumptions about the processing.

    After making the needed changes I will have to run the same reports to see that the base assumptions match reality.

    You guys should realize this is not advance compression, I am just trying to rewrite RLE, LZW, LZO and my own xHole code to be as fast as possible for both compression/decompression. To do that I lose a little in the compression ratio but for my purpose speed is the number one condition to look at.

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