mirror of
https://gitlab.isc.org/isc-projects/bind9
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74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/*
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* Copyright (C) 1999 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#include <config.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <isc/types.h>
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#include <isc/assertions.h>
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#include <isc/error.h>
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#include <isc/sockaddr.h>
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isc_boolean_t
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isc_sockaddr_equal(isc_sockaddr_t *a, isc_sockaddr_t *b)
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{
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struct sockaddr *sa, *sb;
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sa = (struct sockaddr *)&a->type;
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sb = (struct sockaddr *)&b->type;
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if (sa->sa_family != sb->sa_family)
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return (ISC_FALSE);
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#ifdef HAVE_SA_LEN
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if (sa->sa_len != sb->sa_len)
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return (ISC_FALSE);
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if (memcmp(sa->sa_data, sb->sa_data, sa->sa_len) != 0)
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return (ISC_FALSE);
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#else
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switch (sa->sa_family) {
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case AF_INET: {
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struct sockaddr_in *sina, *sinb;
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sina = (struct sockaddr_in *)sa;
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sinb = (struct sockaddr_in *)sb;
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if (sina->sin_port != sinb->sin_port)
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return (ISC_FALSE);
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if (memcmp(&sina->sin_addr, &sinb->sin_addr, 4) != 0)
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return (ISC_FALSE);
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return (ISC_TRUE);
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}
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default:
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INSIST("Unknown socket protocol");
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break;
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}
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#endif
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UNEXPECTED_ERROR(__FILE__, __LINE__, "Cannot happen");
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return (ISC_FALSE);
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}
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