utils.cpp

#include "utils.hpp"

#include "windows_lean.h"

#include <string>
#include <sstream>

#include "common/IDebugLog.h"

std::string get_last_error_message(size_t max_size)
{
        std::string output(max_size, '\0');

        get_last_error_message(output);

        return output;
}

void get_last_error_message(std::string& output)
{
        if (output.empty()) {
                return;
        }

        size_t written_count = FormatMessageA(
            FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
            NULL,
            GetLastError(),
            MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
            &output[0],
            output.size(),
            NULL);

        output.resize(written_count);
}

void fatal_error(const char* message, bool include_last_error)
{
        std::stringstream ss;

        if (message != NULL) {
                ss << message << '\n';
        }

        if (include_last_error) {
                ss << "Last error:\n" << get_last_error_message();
        }

        std::string output = ss.str();
        _ERROR(output.c_str());
}

std::string format_oblivion_version(unsigned int version)
{
        std::stringstream ss;

        const auto major = (version >> 24) & 0xFF;
        const auto minor = (version >> 16) & 0xFF;
        const auto build = version & 0xFFFF;

        // clang-format off
        ss << major << "."
           << minor << ".0."
           << build;

        return ss.str();
}