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

[b1431736437]

Sorry, I don't understand what you want me, you can send a .diff file tells me 
how to do?

在 2022-08-18 07:26:45，"Alex fxmbsw7 Ratchev" <fxmbsw7@gmail.com> 写道：




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/