487 	size_t sz, newsz;  in ch_enlargebufs()  local
491 	newsz = sz * 2;  in ch_enlargebufs()
497 		while(newsz - sz < addlen)  in ch_enlargebufs()
498 			newsz *= 2;  in ch_enlargebufs()
504 	newbuffer = el_realloc(el->el_line.buffer, newsz * sizeof(*newbuffer));  in ch_enlargebufs()
509 	(void) memset(&newbuffer[sz], 0, (newsz - sz) * sizeof(*newbuffer));  in ch_enlargebufs()
522 	newbuffer = el_realloc(el->el_chared.c_kill.buf, newsz *  in ch_enlargebufs()
528 	(void) memset(&newbuffer[sz], 0, (newsz - sz) * sizeof(*newbuffer));  in ch_enlargebufs()
542 	    newsz * sizeof(*newbuffer));  in ch_enlargebufs()
547 	(void) memset(&newbuffer[sz], 0, (newsz - sz) * sizeof(*newbuffer));  in ch_enlargebufs()
551 	    newsz * sizeof(*newbuffer));  in ch_enlargebufs()
560 	if (!hist_enlargebuf(el, sz, newsz))  in ch_enlargebufs()
564 	el->el_line.limit  = &el->el_line.buffer[newsz - EL_LEAVE];  in ch_enlargebufs()