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/* str/cmp.c - Compare part of two strings
* Copyright (C) 2001 Bruce Guenter <bruceg@em.ca>
*
* 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <string.h>
#include "str.h"
int str_cmp(const str* a, unsigned aoffset, const str* b, unsigned boffset)
{
return str_cmpb(a, aoffset, b->s+boffset, b->len-boffset);
}
int str_cmps(const str* a, unsigned offset, const char* b)
{
return str_cmpb(a, offset, b, strlen(b));
}
int str_cmpb(const str* a, unsigned offset, const char* b, unsigned len)
{
char* aptr;
if (len + offset > a->len)
return 1;
for (aptr = a->s; len; ++aptr, ++b, --len)
if (*b - *aptr) return *b - *aptr;
return 0;
}
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