K5BUF_FIXED
buf->buftype = K5BUF_FIXED;
if (buf->buftype == K5BUF_FIXED) {
if (buf->buftype == K5BUF_FIXED) /* Can't resize a fixed buffer. */
fail_if(buf->buftype != K5BUF_FIXED && buf->buftype != K5BUF_DYNAMIC &&