*** ../bash-4.4/lib/readline/history.c	2015-12-28 13:50:31.000000000 -0500
--- lib/readline/history.c	2016-09-30 14:28:40.000000000 -0400
***************
*** 417,426 ****
  {
    HIST_ENTRY *hent;
!   size_t newlen, curlen;
    char *newline;
  
    hent = the_history[which];
    curlen = strlen (hent->line);
!   newlen = curlen + strlen (line) + 2;
    newline = realloc (hent->line, newlen);
    if (newline)
--- 421,441 ----
  {
    HIST_ENTRY *hent;
!   size_t newlen, curlen, minlen;
    char *newline;
  
    hent = the_history[which];
    curlen = strlen (hent->line);
!   minlen = curlen + strlen (line) + 2;	/* min space needed */
!   if (curlen > 256)		/* XXX - for now */
!     {
!       newlen = 512;		/* now realloc in powers of 2 */
!       /* we recalcluate every time; the operations are cheap */
!       while (newlen < minlen)
! 	newlen <<= 1;
!     }
!   else
!     newlen = minlen;
!   /* Assume that realloc returns the same pointer and doesn't try a new
!      alloc/copy if the new size is the same as the one last passed. */
    newline = realloc (hent->line, newlen);
    if (newline)