// Shared utilities

use crate::store;

use std::fs;
use std::path::PathBuf;

/// Ensure a subdirectory of the memory dir exists and return its path.
pub fn memory_subdir(name: &str) -> Result<PathBuf, String> {
    let dir = store::memory_dir().join(name);
    fs::create_dir_all(&dir)
        .map_err(|e| format!("create {}: {}", dir.display(), e))?;
    Ok(dir)
}