Annotation of embedaddon/ntp/lib/isc/region.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
! 3: * Copyright (C) 2002 Internet Software Consortium.
! 4: *
! 5: * Permission to use, copy, modify, and/or distribute this software for any
! 6: * purpose with or without fee is hereby granted, provided that the above
! 7: * copyright notice and this permission notice appear in all copies.
! 8: *
! 9: * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
! 10: * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
! 11: * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
! 12: * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
! 13: * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
! 14: * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
! 15: * PERFORMANCE OF THIS SOFTWARE.
! 16: */
! 17:
! 18: /* $Id: region.c,v 1.7 2007/06/19 23:47:17 tbox Exp $ */
! 19:
! 20: /*! \file */
! 21:
! 22: #include <config.h>
! 23:
! 24: #include <stdlib.h>
! 25: #include <string.h>
! 26:
! 27: #include <isc/region.h>
! 28: #include <isc/util.h>
! 29:
! 30: int
! 31: isc_region_compare(isc_region_t *r1, isc_region_t *r2) {
! 32: unsigned int l;
! 33: int result;
! 34:
! 35: REQUIRE(r1 != NULL);
! 36: REQUIRE(r2 != NULL);
! 37:
! 38: l = (r1->length < r2->length) ? r1->length : r2->length;
! 39:
! 40: if ((result = memcmp(r1->base, r2->base, l)) != 0)
! 41: return ((result < 0) ? -1 : 1);
! 42: else
! 43: return ((r1->length == r2->length) ? 0 :
! 44: (r1->length < r2->length) ? -1 : 1);
! 45: }
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