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3 votes
1 answer
102 views

I cannot fix this error. build.sh is trying to create a shared library but it fails: ~/Desktop/deepseek$ ./build.sh Building Haskell shared library... Loaded package environment from /home/success/....
Tooling
0 votes
0 replies
43 views

Is it possible to define the dynamic library location for an FFI at runtime? I have successfully generated an FFI for SFCGAL using toast in the nim programming context, but struggled a bit with the ...
Advice
1 vote
1 replies
131 views

I see that it is supposed to be possible to embed a Python interpreter in a Flutter app, so can I assume it should therefore also be possible to do this with a Ruby interpreter? (I would be happy ...
4 votes
1 answer
158 views

I want to pass byte array to FFI in Rust. The allocation and deallocation should all be done in Rust. Here is my implementation. #[unsafe(no_mangle)] pub extern "C" fn get_data(ptr: *mut *...
3 votes
1 answer
223 views

To try out the Java 25 FFM API, I wanted to call C++ code through a C wrapper. To do that, I created a small C++ class and a C wrapper following an example from here. Printer.h #pragma once #include &...
0 votes
0 answers
39 views

I wanted to write a library in C to then link into Guile and in it i have to deal with strings. In the Guile manual the scm_to_locale_string() function has the following documentation: Returns a C ...
0 votes
1 answer
55 views

I am writing bindings for the Z3 solver library for Idris, but have gotten stuck because I can't seem to find a way to pass a Vect AnyPtr to a Z3 function (in this case, Z3_mk_and with signature ...
Pandapip1's user avatar
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0 votes
1 answer
38 views

How to read printerStruct.pPrinterName using koffi? const koffi = require('koffi'); const winspool = koffi.load('winspool.drv'); const kernel32 = koffi.load('kernel32.dll'); const PRINTER_ENUM_LOCAL ...
0 votes
0 answers
123 views

I'm trying to learn c++ by making an app using C++ for the backend (I want to have all the data and logic here), Flutter for the frontend (UI conneted to C++ backend via FFI (so I can call C++ ...
2 votes
0 answers
80 views

Lets say there is a libfoo C library with matching headers. Documentation of bindgen suggests libfoo-sys crate should build dynamically on the client side, using their installed header versions. The ...
0 votes
0 answers
107 views

I'm trying to call the function through the environment variable env, namely env->FindClass("android/os/BatteryManager"), but eventually the error F/libc (27883): Fatal signal 11 (...
0 votes
0 answers
47 views

I have a DLL that I built from C code. The DLL continuously runs a while loop that calls a JavaScript callback function every 3 seconds using sleep(). In my Electron project, I’m using the ffi-napi ...
-3 votes
1 answer
173 views

My goal is to implement an efficient (and safe) way to wrap a Rust function, using numpy::PyReadonlyArray, with zero-copy and GIL release during computation. My question is general, but here is a ...
0 votes
1 answer
137 views

So we have a cucumber test crate that tests an FFI crate. We include the FFI library in the cargo.toml file with : ffi_lib = { path = "../base/ffi_lib" } Then its linked into the code via: #...
2 votes
1 answer
228 views

I have been working on this simple example. This entire project is being compiled on a (Linux AArch64) Raspberry Pi 3B. Say I have a simple assembly function (that does SIMD addition on AArch64) ...

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