_zip_buffer_size  754 ext/zip/lib/zip_open.c     if (eocd_offset >= buf_offset && eocd_offset + EOCD64LEN <= buf_offset + _zip_buffer_size(buffer)) {
_zip_buffer_size  485 ext/zip/lib/zipint.h zip_uint64_t _zip_buffer_size(zip_buffer_t *buffer);