glibc/resolv/mapv4v6hostent.h
Ulrich Drepper c4db757322 Update.
* gmon/gmon.c: Remove advertising clause of copyright.
	* gmon/mcount.c: Likewise.
	* gmon/sys/gmon.h: Likewise.
	* inet/arpa/ftp.h: Likewise.
	* inet/arpa/telnet.h: Likewise.
	* inet/arpa/tftp.h: Likewise.
	* inet/inet_lnaof.c: Likewise.
	* inet/inet_mkadr.c: Likewise.
	* inet/inet_net.c: Likewise.
	* inet/inet_netof.c: Likewise.
	* inet/protocols/routed.h: Likewise.
	* inet/protocols/rwhod.h: Likewise.
	* inet/protocols/talkd.h: Likewise.
	* inet/protocols/timed.h: Likewise.
	* inet/rcmd.c: Likewise.
	* inet/rexec.c: Likewise.
	* inet/ruserpass.c: Likewise.
	* io/fts.c: Likewise.
	* io/fts.h: Likewise.
	* login/login_tty.c: Likewise.
	* misc/fstab.h: Likewise.
	* misc/getttyent.c: Likewise.
	* misc/getusershell.c: Likewise.
	* misc/sys/queue.h: Likewise.
	* misc/sys/syslog.h: Likewise.
	* misc/syslog.c: Likewise.
	* misc/ttyent.h: Likewise.
	* misc/ttyslot.c: Likewise.
	* resolv/arpa/nameser.h: Likewise.
	* resolv/gethnamaddr.c: Likewise.
	* resolv/herror.c: Likewise.
	* resolv/inet_addr.c: Likewise.
	* resolv/mapv4v6addr.h: Likewise.
	* resolv/mapv4v6hostent.h: Likewise
	* resolv/nss_dns/dns-host.c: Likewise.
	* resolv/nss_dns/dns-network.c: Likewise.
	* resolv/res_comp.c: Likewise.
	* resolv/res_data.c: Likewise.
	* resolv/res_debug.c: Likewise.
	* resolv/res_init.c: Likewise.
	* resolv/res_mkquery.c: Likewise.
	* resolv/res_query.c: Likewise.
	* resolv/res_send.c: Likewise.
	* resolv/resolv.h: Likewise.
	* sysdeps/generic/div.c: Likewise.
	* sysdeps/generic/netinet/ip.h: Likewise.
	* sysdeps/generic/netinet/tcp.h: Likewise.
	* sysdeps/generic/paths.h: Likewise.
	* sysdeps/generic/prof-freq.c: Likewise.
	* sysdeps/generic/sys/ttydefaults.h: Likewise.
	* sysdeps/gnu/netinet/ip_icmp.h: Likewise.
	* sysdeps/gnu/netinet/tcp.h: Likewise.
	* sysdeps/ieee754/support.c: Likewise.
	* sysdeps/mach/hurd/sys/param.h: Likewise.
	* sysdeps/unix/bsd/bsd4.4/bits/errno.h: Likewise.
	* sysdeps/unix/bsd/bsd4.4/bits/ioctls.h: Likewise.
	* sysdeps/unix/bsd/sun/sunos4/sys/ttydefaults.h: Likewise.
	* sysdeps/unix/bsd/sys/reboot.h: Likewise.
	* sysdeps/unix/sysv/linux/netinet/if_ether.h: Likewise.
	* sysdeps/unix/sysv/linux/netinet/igmp.h: Likewise.
	* sysdeps/unix/sysv/linux/netinet/ip.h: Likewise.
	* sysdeps/unix/sysv/linux/paths.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/quota.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/ttydefaults.h: Likewise.
	* sysdeps/vax/DEFS.h: Likewise.
	* termios/sys/ttychars.h: Likewise.
	* misc/daemon.c: Likewise.  Call fork.
1999-06-08 21:20:07 +00:00

87 lines
3.3 KiB
C

/*
* ++Copyright++ 1985, 1988, 1993
* -
* Copyright (c) 1985, 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* -
* Portions Copyright (c) 1993 by Digital Equipment Corporation.
*
* 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, and that
* the name of Digital Equipment Corporation not be used in advertising or
* publicity pertaining to distribution of the document or software without
* specific, written prior permission.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
* CORPORATION 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.
* -
* --Copyright--
*/
#include <arpa/nameser.h>
#include <sys/socket.h>
typedef union {
int32_t al;
char ac;
} align;
static void
map_v4v6_hostent (struct hostent *hp, char **bpp, int *lenp)
{
char **ap;
if (hp->h_addrtype != AF_INET || hp->h_length != INADDRSZ)
return;
hp->h_addrtype = AF_INET6;
hp->h_length = IN6ADDRSZ;
for (ap = hp->h_addr_list; *ap; ap++)
{
int i = sizeof (align) - ((u_long) *bpp % sizeof (align));
if (*lenp < (i + IN6ADDRSZ))
{
/* Out of memory. Truncate address list here. XXX */
*ap = NULL;
return;
}
*bpp += i;
*lenp -= i;
map_v4v6_address (*ap, *bpp);
*ap = *bpp;
*bpp += IN6ADDRSZ;
*lenp -= IN6ADDRSZ;
}
}