Re: Re: add custom environment variable in bash source code

[Alex fxmbsw7 Ratchev]

( or use the eval function ( dunno its name and usage ) and eval your two
var assignments )

On Thu, Aug 18, 2022, 01:26 Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com> wrote:

>
>
> On Thu, Aug 18, 2022, 01:19 <b1431736437@163.com> wrote:
>
>>
>> Because I'm using Android, Android doesn't support #!/bin/sh and 
>> #!/bin/bash, there is a dynamic library that fixes it, so I want to 
>> automatically add LD_PRELOAD before starting bash to make this dynamic 
>> library work , I want to modify the source code of bash to make it 
>> effective, not the bash.bashrc and profile files in the etc directory,what 
>> should I do, can you send a video attachment to teach me?
>>
>
> erm, im not yet a .c number
>
>
>
>
>> 在 2022-08-18 00:19:24，"Alex fxmbsw7 Ratchev" <fxmbsw7@gmail.com> 写道：
>>
>> maybe just 'eval "declare -gx var=value"' in bash.c code
>>
>>
> what i meant with this is hint at something a .c coder can do
> can u code .c ?
>
> .. search in the codes the .c named ld preload and ld paths identifiers (
> how they are named ) then search for those, to see where they act
> and add a static prefix yours at a safe position and safe code
>
>
>> On Wed, Aug 17, 2022, 17:53 Chet Ramey <chet.ramey@case.edu> wrote:
>>
>>> On 8/16/22 10:09 PM, b1431736437@163.com wrote:
>>>
>>> > Bash Version: 5.1
>>> > Patch Level: 16
>>> > Release Status: release
>>> >
>>> > Description:
>>> >          excuse me, how can I join the custom environment variable
>>> into the source code of Bash, and see this variable when execute env
>>>
>>> What is it you want to do? You rarely need to add code to bash to do
>>> something like that.
>>>
>>> --
>>> ``The lyf so short, the craft so long to lerne.'' - Chaucer
>>>                  ``Ars longa, vita brevis'' - Hippocrates
>>> Chet Ramey, UTech, CWRU    chet@case.edu
>>> http://tiswww.cwru.edu/~chet/
>>>
>>>
>>>