453 	  if (PTRDIFF_MAX / 3 <= alloc_lines  in find_and_hash_each_line()
479 	  if (PTRDIFF_MAX / 3 <= alloc_lines  in find_and_hash_each_line()
573   char *p0, *p1, *buffer0, *buffer1;  in find_identical_ends()  local
601   p0 = buffer0 = (char *) w0;  in find_identical_ends()
606   if (p0 == p1)  in find_identical_ends()
608     p0 = p1 += n1;  in find_identical_ends()
615 	p0[n0] = ~p1[n0];  in find_identical_ends()
617 	p1[n1] = ~p0[n1];  in find_identical_ends()
626       p0 = (char *) w0;  in find_identical_ends()
628       while (*p0 == *p1)  in find_identical_ends()
629 	p0++, p1++;  in find_identical_ends()
633 	  && ((buffer0 + n0 - filevec[0].missing_newline < p0)  in find_identical_ends()
636 	p0--, p1--;  in find_identical_ends()
639   /* Now P0 and P1 point at the first nonmatching characters.  */  in find_identical_ends()
644   while (p0 != buffer0 && (p0[-1] != '\n' || i--))  in find_identical_ends()
645     p0--, p1--;  in find_identical_ends()
648   filevec[0].prefix_end = p0;  in find_identical_ends()
653   /* P0 and P1 point beyond the last chars not yet compared.  */  in find_identical_ends()
654   p0 = buffer0 + n0;  in find_identical_ends()
660       end0 = p0;	/* Addr of last char in file 0.  */  in find_identical_ends()
662       /* Get value of P0 at which we should stop scanning backward:  in find_identical_ends()
663 	 this is when either P0 or P1 points just past the last char  in find_identical_ends()
668       for (; p0 != beg0; p0--, p1--)  in find_identical_ends()
669 	if (*p0 != *p1)  in find_identical_ends()
672 	    beg0 = p0;  in find_identical_ends()
680       i = horizon_lines + !((buffer0 == p0 || p0[-1] == '\n')  in find_identical_ends()
683       while (i-- && p0 != end0)  in find_identical_ends()
684 	while (*p0++ != '\n')  in find_identical_ends()
687       p1 += p0 - beg0;  in find_identical_ends()
691   filevec[0].suffix_begin = p0;  in find_identical_ends()
711       middle_guess = guess_lines (0, 0, p0 - filevec[0].prefix_end);  in find_identical_ends()
712       suffix_guess = guess_lines (0, 0, buffer0 + n0 - p0);  in find_identical_ends()
727   p0 = buffer0;  in find_identical_ends()
731 	 && filevec[0].prefix_end == p0  in find_identical_ends()
735       while (p0 != end0)  in find_identical_ends()
745 	  linbuf0[l] = p0;  in find_identical_ends()
746 	  while (*p0++ != '\n')  in find_identical_ends()
754   middle_guess = guess_lines (lines, p0 - buffer0, p1 - filevec[1].prefix_end);  in find_identical_ends()
755   suffix_guess = guess_lines (lines, p0 - buffer0, buffer1 + n1 - p1);  in find_identical_ends()
791   0, 0, 1, 1, 3, 1, 3, 1, 5, 3, 3, 9, 3, 1, 3, 19, 15, 1, 5, 1, 3, 9, 3,
792   15, 3, 39, 5, 39, 57, 3, 35, 1, 5, 9, 41, 31, 5, 25, 45, 7, 87, 21,
840      number between 1/3 and 2/3 of the value of equiv_allocs,  in read_files()
842   for (i = 9; (size_t) 1 << i < equivs_alloc / 3; i++)  in read_files()