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Re: signed int64 pack/unpack

From Jerry Stuckle <jstucklex@attglobal.net>
Newsgroups comp.lang.php
Subject Re: signed int64 pack/unpack
Date 2014-01-11 22:03 -0500
Organization A noiseless patient Spider
Message-ID <lat0mm$sl$2@dont-email.me> (permalink)
References <13b7b4d5-1ae0-4e04-910b-112f9a1631cc@googlegroups.com> <lasv0f$q5a$1@dont-email.me> <560af327-1fed-45ec-902b-b900ab580b71@googlegroups.com> <lat0fg$dm1$1@news.albasani.net>

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On 1/11/2014 9:59 PM, The Natural Philosopher wrote:
> On 12/01/14 02:46, cameron7@gmail.com wrote:
>> Hi, yes, sorry I am running 64-bit OS and 64-bit PHP.  PHP_INT_MAX is
>> giving appropriate value.
>>
>> Specifics from `php -i`:  PHP Version => 5.4.6-1ubuntu1.5
>>
>> The code has become extremely ugly, and still not working perfectly,
>> thus the reason for trying to find others who may have experience
>> with this.  The pack / unpack functions don't provide support for
>> 64-bit integers directly so I'm looking for at least a sound "hack".
>>
>> I've tried all sorts of things, from base_convert to simply trying to
>> extract and iterate over a bitwise comparison against each bit in 4
>> separate 16-bit ints, but nothing I've tried so far is working
>> correctly.
>>
>> Basically, the context for this is I'm writing a client for a custom
>> protocol in which several of the components of that protocol in
>> requests and responses require big endian 64-bit signed int, thus the
>> reason for the need to pack / unpack.
>>
>
> I have to say this is where I would probably be trying to write a C
> library and wrap it in PHP..
>
> Or write a C daemon and interrogate that..via a named pipe or system
> type call.
>
> This is system level programming and PHP is simply not the right tool
> for it.
>
>
>
>
>

You'd write a 5,000 line C program to say "Hello, World".

-- 
==================
Remove the "x" from my email address
Jerry Stuckle
jstucklex@attglobal.net
==================

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signed int64 pack/unpack cameron7@gmail.com - 2014-01-11 18:18 -0800
  Re: signed int64 pack/unpack Jerry Stuckle <jstucklex@attglobal.net> - 2014-01-11 21:35 -0500
    Re: signed int64 pack/unpack cameron7@gmail.com - 2014-01-11 18:46 -0800
      Re: signed int64 pack/unpack The Natural Philosopher <tnp@invalid.invalid> - 2014-01-12 02:59 +0000
        Re: signed int64 pack/unpack Jerry Stuckle <jstucklex@attglobal.net> - 2014-01-11 22:03 -0500
        Re: signed int64 pack/unpack cameron7@gmail.com - 2014-01-11 19:10 -0800
      Re: signed int64 pack/unpack Jerry Stuckle <jstucklex@attglobal.net> - 2014-01-11 22:04 -0500
  Re: signed int64 pack/unpack Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-01-12 02:42 +0000
    Re: signed int64 pack/unpack Jerry Stuckle <jstucklex@attglobal.net> - 2014-01-11 22:01 -0500
      Re: signed int64 pack/unpack cameron7@gmail.com - 2014-01-11 19:08 -0800
      Re: signed int64 pack/unpack Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-01-12 03:11 +0000
        Re: signed int64 pack/unpack Jerry Stuckle <jstucklex@attglobal.net> - 2014-01-11 22:15 -0500
          Re: signed int64 pack/unpack Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-01-12 12:37 +0000
            Re: signed int64 pack/unpack Jerry Stuckle <jstucklex@attglobal.net> - 2014-01-12 10:51 -0500
              Re: signed int64 pack/unpack Christoph Michael Becker <cmbecker69@arcor.de> - 2014-01-12 17:00 +0100
                Re: signed int64 pack/unpack Jerry Stuckle <jstucklex@attglobal.net> - 2014-01-12 16:09 -0500
                Re: signed int64 pack/unpack Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-01-12 22:35 +0000
                Re: signed int64 pack/unpack Jerry Stuckle <jstucklex@attglobal.net> - 2014-01-12 17:59 -0500
                Re: signed int64 pack/unpack Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-01-13 01:59 +0000
              Re: signed int64 pack/unpack Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-01-12 22:30 +0000
    Re: signed int64 pack/unpack cameron7@gmail.com - 2014-01-11 21:54 -0800
      Re: signed int64 pack/unpack cameron7@gmail.com - 2014-01-12 07:25 -0800
        Re: signed int64 pack/unpack Jerry Stuckle <jstucklex@attglobal.net> - 2014-01-12 11:11 -0500
        Re: signed int64 pack/unpack Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-01-12 23:27 +0000
          Re: signed int64 pack/unpack cameron7@gmail.com - 2014-01-12 16:03 -0800
          Re: signed int64 pack/unpack cameron7@gmail.com - 2014-01-12 16:22 -0800
            Re: signed int64 pack/unpack Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-01-13 01:20 +0000
  Re: signed int64 pack/unpack Christoph Michael Becker <cmbecker69@arcor.de> - 2014-01-12 17:37 +0100

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