String_convert::vform_string (char const *format, va_list args)
{
char buffer[STRING_BUFFER_LEN];
vsnprintf (buffer, STRING_BUFFER_LEN, format, args);
String_convert::vform_string (char const *format, va_list args)
{
char buffer[STRING_BUFFER_LEN];
vsnprintf (buffer, STRING_BUFFER_LEN, format, args);