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63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/* Implement string-related runtime actions for CHILL.
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Copyright (C) 1992,1993 Free Software Foundation, Inc.
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Author: Bill Cox
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* As a special exception, if you link this library with other files,
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some of which are compiled with GCC, to produce an executable,
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this library does not by itself cause the resulting executable
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to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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/*
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* function __ltstring
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*
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* parameters:
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* S1 - pointer to left string
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* LEN1 - length of left string
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* S2 - pointer to right string
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* LEN2 - length of right string
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*
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* returns:
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* 1 if left string is a proper subset of the right string, 0 otherwise
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*
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* exceptions:
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* none
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*
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* abstract:
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* compares two character strings for subset relationship
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*
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*/
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int __ltstring (s1, len1, s2, len2)
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char *s1;
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int len1;
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char *s2;
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int len2;
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{
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int i;
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i = memcmp (s1, s2, MIN (len1, len2));
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if (i)
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return (i < 0);
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return (len1 < len2);
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}
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