/* Implement string-related runtime actions for CHILL.
   Copyright (C) 1992,1993 Free Software Foundation, Inc.
   Author: Bill Cox

This file is part of GNU CC.

GNU CC 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.

GNU CC 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 GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

#define MIN(a, b)  ((a) < (b) ? (a) : (b))

/*
 * function __ltstring
 *
 * parameters:
 *     S1 - pointer to left string
 *     LEN1 - length of left string
 *     S2 - pointer to right string
 *     LEN2 - length of right string
 *
 * returns:
 *     1 if left string is a proper subset of the right string, 0 otherwise
 *
 * exceptions:
 *     none
 *
 * abstract:
 *     compares two character strings for subset relationship
 *
 */

int __ltstring (s1, len1, s2, len2)
     char *s1;
     int len1;
     char *s2;
     int len2;
{
  int i;

  i = memcmp (s1, s2, MIN (len1, len2));
  if (i)
    return (i < 0);
  return (len1 < len2);
}