3da59cd007
http://www.opengroup.org/onlinepubs/009695399/functions/gethostbyaddr.html gethostbyaddr_r() is changed as well. It breaks ABI backward compatibility on 64 bit arch. So, we fix it on 32 bit arch only for now. Reported by: Rostislav Krasny <rosti.bsd@gmail.com>
146 lines
4.4 KiB
C
146 lines
4.4 KiB
C
/*-
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* Copyright (C) 2005 The FreeBSD Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NETDB_PRIVATE_H_
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#define _NETDB_PRIVATE_H_
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#include <stdio.h> /* XXX: for FILE */
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#define NETDB_THREAD_ALLOC(name) \
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static struct name name; \
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static thread_key_t name##_key; \
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static once_t name##_init_once = ONCE_INITIALIZER; \
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static int name##_thr_keycreated = 0; \
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\
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static void name##_free(void *); \
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\
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static void \
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name##_keycreate(void) \
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{ \
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name##_thr_keycreated = \
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(thr_keycreate(&name##_key, name##_free) == 0); \
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} \
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\
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struct name * \
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__##name##_init(void) \
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{ \
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struct name *he; \
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\
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if (thr_main() != 0) \
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return (&name); \
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if (thr_once(&name##_init_once, name##_keycreate) != 0 || \
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!name##_thr_keycreated) \
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return (NULL); \
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if ((he = thr_getspecific(name##_key)) != NULL) \
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return (he); \
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if ((he = calloc(1, sizeof(*he))) == NULL) \
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return (NULL); \
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if (thr_setspecific(name##_key, he) == 0) \
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return (he); \
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free(he); \
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return (NULL); \
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}
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#define _MAXALIASES 35
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#define _MAXLINELEN 1024
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#define _MAXADDRS 35
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#define _HOSTBUFSIZE (8 * 1024)
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#define _NETBUFSIZE 1025
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struct hostent_data {
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uint32_t host_addr[4]; /* IPv4 or IPv6 */
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char *h_addr_ptrs[_MAXADDRS + 1];
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char *host_aliases[_MAXALIASES];
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char hostbuf[_HOSTBUFSIZE];
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FILE *hostf;
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int stayopen;
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#ifdef YP
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char *yp_domain;
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#endif
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};
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struct netent_data {
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char *net_aliases[_MAXALIASES];
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char netbuf[_NETBUFSIZE];
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FILE *netf;
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int stayopen;
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#ifdef YP
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char *yp_domain;
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#endif
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};
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struct protoent_data {
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FILE *fp;
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char *aliases[_MAXALIASES];
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int stayopen;
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char line[_MAXLINELEN + 1];
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};
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struct hostdata {
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struct hostent host;
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char data[sizeof(struct hostent_data)];
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};
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struct netdata {
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struct netent net;
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char data[sizeof(struct netent_data)];
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};
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struct protodata {
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struct protoent proto;
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char data[sizeof(struct protoent_data)];
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};
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struct hostdata *__hostdata_init(void);
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struct hostent *__hostent_init(void);
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struct hostent_data *__hostent_data_init(void);
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struct netdata *__netdata_init(void);
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struct netent_data *__netent_data_init(void);
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struct protodata *__protodata_init(void);
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struct protoent_data *__protoent_data_init(void);
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int __copy_hostent(struct hostent *, struct hostent *, char *, size_t);
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int __copy_netent(struct netent *, struct netent *, char *, size_t);
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int __copy_protoent(struct protoent *, struct protoent *, char *, size_t);
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void __endprotoent_p(struct protoent_data *);
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int __getprotoent_p(struct protoent *, struct protoent_data *);
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void __setprotoent_p(int, struct protoent_data *);
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void _endhostdnsent(void);
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void _endhosthtent(struct hostent_data *);
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void _endnetdnsent(void);
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void _endnethtent(struct netent_data *);
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struct hostent *_gethostbynisaddr(const void *, socklen_t, int);
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struct hostent *_gethostbynisname(const char *, int);
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void _map_v4v6_address(const char *, char *);
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void _map_v4v6_hostent(struct hostent *, char **, char *);
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void _sethostdnsent(int);
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void _sethosthtent(int, struct hostent_data *);
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void _setnetdnsent(int);
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void _setnethtent(int, struct netent_data *);
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#endif /* _NETDB_PRIVATE_H_ */
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