r2pipe 0.8.0

Library to interact with radare2 using r2pipes.
Documentation 
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use crate::Result;
use libloading::{Library, Symbol};
use std::sync::Mutex;

/// Contains a handle to the dynamically loaded library.
pub struct LibHandle(Mutex<Library>);

impl LibHandle {
    #[cfg(windows)]
    fn load_library(path: &str) -> std::result::Result<Library, libloading::Error> {
        use libloading::os::windows::{
            Library as WindowsLibrary, LOAD_LIBRARY_SEARCH_DEFAULT_DIRS,
            LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR,
        };

        if path.contains('\\') || path.contains('/') {
            unsafe {
                WindowsLibrary::load_with_flags(
                    path,
                    LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR | LOAD_LIBRARY_SEARCH_DEFAULT_DIRS,
                )
                .map(Into::into)
            }
        } else {
            unsafe { Library::new(path) }
        }
    }

    #[cfg(not(windows))]
    fn load_library(path: &str) -> std::result::Result<Library, libloading::Error> {
        unsafe { Library::new(path) }
    }

    /// Load a shared library by name with platform-specific extension.
    pub fn new(name: &str, end: Option<&str>) -> Result<LibHandle> {
        let ext = if cfg!(windows) {
            ".dll"
        } else if cfg!(target_os = "macos") {
            ".dylib"
        } else {
            ".so"
        };
        let lib_name = format!("{}{}{}", name, ext, end.unwrap_or(""));

        // Prepare list of paths to try
        let mut lib_paths = vec![lib_name.clone()];

        // On Windows, add common radare2 installation paths
        if cfg!(windows) {
            // CI installs to C:\radare2\<version>\bin, where version changes
            // So we need to search for the latest version directory
            lib_paths.push(format!("C:\\radare2\\bin\\{}", lib_name));
            // Also try the versioned path pattern from CI
            if let Ok(entries) = std::fs::read_dir("C:\\radare2") {
                for entry in entries.flatten() {
                    if entry.file_type().is_ok_and(|ft| ft.is_dir()) {
                        let version_path = format!("{}\\bin\\{}", entry.path().display(), lib_name);
                        lib_paths.push(version_path);
                    }
                }
            }
        }

        // Try each path until we find one that works
        for lib_path in &lib_paths {
            if let Ok(lib) = Self::load_library(lib_path) {
                return Ok(LibHandle(Mutex::new(lib)));
            }
        }

        // If none worked, return the error from the first attempt
        Err(Self::load_library(&lib_paths[0]).unwrap_err().into())
    }

    /// Load a symbol from the library and transmute it to the desired type.
    pub unsafe fn load_sym<T>(&mut self, name: &str) -> Result<T> {
        let lib = self.0.lock().unwrap();
        let sym: Symbol<T> = lib.get(name.as_bytes())?;
        Ok(std::mem::transmute_copy::<_, T>(&*sym))
    }
}