dlopen library path syntax

Issue

I'm compiling the library for android (especially android M) and ı want to ask while I'm using dlopen(); function, what is the correct syntax of library path?

Which one is correct?

First one:

libcameraHandle = ::dlopen("/system/lib/libseccameraadaptor.so", RTLD_LAZY);

so the path is: /system/lib/libseccameraadaptor.so

or Second one:

libcameraHandle = ::dlopen("libseccameraadaptor.so", RTLD_LAZY);

so the path is libseccameraadaptor.so

I also found something that can be good info for this specific subject but couldn't understand well look into cool hacks/opengl section

Solution

The second syntax searches for libseccameraadaptor.so in standard paths and paths specified in LD_LIBRARY_PATH. For a standard library like this which will be in /system/lib forever it does not really make much difference. For anything else, the second call is probly more robust if library is ever moved to different place.

Answered By - yugr