Function isanum_string

src/common/lookup.cpp:35–38

* Checks if the input string is a number or a string * * @param data std::string of the data to classify * @return Returns true if the input string is a plain, positive integer * number, otherwise false. */

 *         number, otherwise false.
 */
static inline bool isanum_string(const std::string &data)
{
    return std::all_of(data.begin(), data.end(), ::isdigit);
}


static inline char *alloc_sysconf_buffer(int name, size_t *retlen)