Function id_string_i

lib/utils.h:332–365

* @brief get id string. i.e. for dump files * it will be a hexadecimal output. */

 * it will be a hexadecimal output.
 */
static inline std::string id_string_i(std::uintptr_t l)
{
    if (!l)
        return "0";

    static constexpr int ptr_size = sizeof(void*);

    // two characters of each byte / contains terminating \0
    static constexpr int buf_size = (ptr_size * 2) + 1;

    char buf[buf_size];

    // needs to be signed so we don't underflow in padding loop
    int idx = buf_size - 1;
    buf[idx] = '\0';

    while (l != 0)
    {
        char c;
        const std::uintptr_t temp = l % 16; // get the remainder
        if (temp < 10) {
            // 0-9
            c = '0' + temp;
        }
        else {
            // a-f
            c = 'a' + (temp - 10);
        }
        buf[--idx] = c; // store in reverse order
        l = l / 16;
    }

    return &buf[idx];
}

static inline std::string id_string(const void* p)
{