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/* Expand compressed domain name to presentation format.
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1996,1999 by Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <arpa/nameser.h>
#include <shlib-compat.h>
/* Expand compressed domain name to presentation format. Returns the
number of bytes read out of `src', or -1 (with errno set). The
root domain is returned as ".", not "". */
int
___ns_name_uncompress (const unsigned char *msg, const unsigned char *eom,
const unsigned char *src, char *dst, size_t dstsiz)
{
unsigned char tmp[NS_MAXCDNAME];
int n = __ns_name_unpack (msg, eom, src, tmp, sizeof tmp);
if (n < 0)
return -1;
if (__ns_name_ntop (tmp, dst, dstsiz) < 0)
return -1;
return n;
}
versioned_symbol (libc, ___ns_name_uncompress, ns_name_uncompress,
GLIBC_2_34);
versioned_symbol (libc, ___ns_name_uncompress, __ns_name_uncompress,
GLIBC_PRIVATE);
libc_hidden_ver (___ns_name_uncompress, __ns_name_uncompress)
#if OTHER_SHLIB_COMPAT (libresolv, GLIBC_2_9, GLIBC_2_34)
compat_symbol (libresolv, ___ns_name_uncompress, ns_name_uncompress,
GLIBC_2_9);
#endif
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