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/*
* This source code is released into the public domain.
*/
module;
#include <expected>
#include <filesystem>
#include <optional>
#include <string>
export module nihil.posix;
import nihil.error;
export import :argv;
export import :ensure_dir;
export import :exec;
export import :fd;
export import :open;
export import :process;
export import :read_file;
export import :rename;
export import :spawn;
export import :write_file;
export namespace nihil {
/*
* Find a variable by the given name in the environment by calling getenv_r().
*/
[[nodiscard]] auto getenv(std::string_view varname)
-> std::expected<std::string, error>;
/*
* Find an executable in $PATH, open it with O_EXEC and return the fd.
* If $PATH is not set, uses _PATH_DEFPATH. If the file can't be found
* or opened, returns std::nullopt.
*/
[[nodiscard]] auto find_in_path(std::filesystem::path const &file)
-> std::optional<fd>;
} // namespace nihil
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