vyre-conform 0.1.0

use crate::spec::types::ParityFailure;
use std::fs;
use std::io::{self, Write};
use std::path::PathBuf;
use std::sync::atomic::{AtomicU64, Ordering};
use std::time::{SystemTime, UNIX_EPOCH};
#[cfg(loom)]
use loom::sync::Mutex as LoomMutex;
use super::hex::*;

/// Fuzz entry point: load regressions from an arbitrary directory tree.
#[inline]
pub fn load_all_versions_from_dir(dir: &std::path::Path) -> Vec<(String, Vec<u8>)> {
    let mut results = Vec::new();
    results.extend(load_from_dir(dir, "legacy"));
    if let Ok(entries) = fs::read_dir(dir) {
        for entry in entries.flatten() {
            let path = entry.path();
            if path.is_dir() {
                if let Some(name) = path.file_name().and_then(|n| n.to_str()) {
                    if name.starts_with('v') {
                        results.extend(load_from_dir(&path, name));
                    }
                }
            }
        }
    }
    results.sort_by(|a, b| a.0.cmp(&b.0));
    results
}