Is there a way to modify resources of other application  with lazarus
on linux?
lazarus / 32-Linux

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njlgg · 2017-12-19 02:50

lazarus provides "{$R *.res}" to compile resources into our
application ,and we use TresourceStream.Create(HInstance,your_resource
_flag,your_resource_type) to
retrieve resources.
On windows,we can use win32 API updateResource to modify resources of
other application.On linux,the win32 API UpdateResource surely
wouldn't work.So is there a way to modify resources of other
application with lazarus on linux?

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sash · 2017-12-20 21:30

Formally no, because there's no such thing as "resource" in Linux,
although ELF format allows arbitrary data sections, but those used by
FPC is very FPC-specific.

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Ñuño_Martínez · 2017-12-21 08:35

To complete what sash wrote:

It is possible to change resources in Windows because Windows'
resources are added to the EXE file as "extra data".  They're not part
of the actual program.

On Linux though resources are "translated" to constant data, as if you
added a big CONST section to your sources, so they're part of the
program itself.  If you need to change them you may need to recompile
the program as pointers and sizes may change, and will specially if
the program was compiled using any optimization.