/* Buffer primitives for comparison operations.   Copyright (C) 1993 Free Software Foundation, Inc.    This program is free software; you can redistribute it and/or modify   it under the terms of the GNU General Public License as published by   the Free Software Foundation; either version 2, or (at your option)   any later version.    This program is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   GNU General Public License for more details.    You should have received a copy of the GNU General Public License   along with this program; if not, write to the Free Software   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */ #include "system.h"#include "cmpbuf.h" /* Least common multiple of two buffer sizes A and B.  */ size_tbuffer_lcm (a, b)     size_t a, b;{  size_t m, n, r;   /* Yield reasonable values if buffer sizes are zero.  */  if (!a)    return b ? b : 8 * 1024;  if (!b)    return a;   /* n = gcd (a, b) */  for (m = a, n = b;  (r = m % n) != 0;  m = n, n = r)    continue;   return a/n * b;}