// mcpp.platform.windows — Windows-specific platform capabilities.

//

// Provides:

// prepend_path() — add a directory to the front of %PATH%

//

// Note: Visual Studio / MSVC discovery is in mcpp.toolchain.msvc, which is

// the authoritative module for MSVC toolchain detection. This module

// provides general-purpose Windows platform utilities only.

module;

#include <cstdlib>

#if defined(_WIN32)

#include <stdlib.h> // _putenv_s

#endif

export module mcpp.platform.windows;

import std;

export namespace mcpp::platform::windows {

// Prepend a directory to the %PATH% environment variable.

void prepend_path(const std::filesystem::path& dir);

} // namespace mcpp::platform::windows

// ─── Implementation ──────────────────────────────────────────────────────

namespace mcpp::platform::windows {

void prepend_path(const std::filesystem::path& dir) {

#if defined(_WIN32)

std::string newPath = dir.string() + ";" +

(std::getenv("PATH") ? std::getenv("PATH") : "");

_putenv_s("PATH", newPath.c_str());

#else

(void)dir;

#endif

}

} // namespace mcpp::platform::windows