[rsync/rsync.git] / lib / addrinfo.h

/*
PostgreSQL Database Management System
(formerly known as Postgres, then as Postgres95)

Portions Copyright (c) 1996-2005, The PostgreSQL Global Development Group

Portions Copyright (c) 1994, The Regents of the University of California

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose, without fee, and without a written agreement
is hereby granted, provided that the above copyright notice and this paragraph
and the following two paragraphs appear in all copies.

IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION,
EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.

THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS
TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

*/

/*-------------------------------------------------------------------------
 *
 * getaddrinfo.h
 *	  Support getaddrinfo() on platforms that don't have it.
 *
 * Note: we use our own routines on platforms that don't HAVE_STRUCT_ADDRINFO,
 * whether or not the library routine getaddrinfo() can be found.  This
 * policy is needed because on some platforms a manually installed libbind.a
 * may provide getaddrinfo(), yet the system headers may not provide the
 * struct definitions needed to call it.  To avoid conflict with the libbind
 * definition in such cases, we rename our routines to pg_xxx() via macros.
 *
 * This code will also work on platforms where struct addrinfo is defined
 * in the system headers but no getaddrinfo() can be located.
 *
 * Copyright (c) 2003-2007, PostgreSQL Global Development Group
 *
 *-------------------------------------------------------------------------
 */
#ifndef ADDRINFO_H
#define ADDRINFO_H


/* Various macros that ought to be in <netdb.h>, but might not be */

#ifndef EAI_FAIL
#define EAI_BADFLAGS	(-1)
#define EAI_NONAME		(-2)
#define EAI_AGAIN		(-3)
#define EAI_FAIL		(-4)
#define EAI_FAMILY		(-6)
#define EAI_SOCKTYPE	(-7)
#define EAI_SERVICE		(-8)
#define EAI_MEMORY		(-10)
#define EAI_SYSTEM		(-11)
#endif   /* !EAI_FAIL */

#ifndef AI_PASSIVE
#define AI_PASSIVE		0x0001
#endif

#ifndef AI_NUMERICHOST
/*
 * some platforms don't support AI_NUMERICHOST; define as zero if using
 * the system version of getaddrinfo...
 */
#if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
#define AI_NUMERICHOST	0
#else
#define AI_NUMERICHOST	0x0004
#endif
#endif

#ifndef AI_CANONNAME
#if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
#define AI_CANONNAME 0
#else
#define AI_CANONNAME 0x0008
#endif
#endif

#ifndef AI_NUMERICSERV
#if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
#define AI_NUMERICSERV 0
#else
#define AI_NUMERICSERV 0x0010
#endif
#endif

#ifndef NI_NUMERICHOST
#define NI_NUMERICHOST	1
#endif

#ifndef NI_NUMERICSERV
#define NI_NUMERICSERV	2
#endif

#ifndef NI_NOFQDN
#define NI_NOFQDN	4
#endif

#ifndef NI_NAMEREQD
#define NI_NAMEREQD 	8
#endif

#ifndef NI_DGRAM
#define NI_DGRAM	16
#endif


#ifndef NI_MAXHOST
#define NI_MAXHOST	1025
#endif

#ifndef NI_MAXSERV
#define NI_MAXSERV	32
#endif

#ifndef HAVE_STRUCT_ADDRINFO

struct addrinfo
{
	int			ai_flags;
	int			ai_family;
	int			ai_socktype;
	int			ai_protocol;
	size_t		ai_addrlen;
	struct sockaddr *ai_addr;
	char	   *ai_canonname;
	struct addrinfo *ai_next;
};
#endif   /* HAVE_STRUCT_ADDRINFO */


#ifndef HAVE_GETADDRINFO

/* Rename private copies per comments above */
#ifdef getaddrinfo
#undef getaddrinfo
#endif
#define getaddrinfo pg_getaddrinfo

#ifdef freeaddrinfo
#undef freeaddrinfo
#endif
#define freeaddrinfo pg_freeaddrinfo

#ifdef gai_strerror
#undef gai_strerror
#endif
#define gai_strerror pg_gai_strerror

#ifdef getnameinfo
#undef getnameinfo
#endif
#define getnameinfo pg_getnameinfo

extern int getaddrinfo(const char *node, const char *service,
			const struct addrinfo * hints, struct addrinfo ** res);
extern void freeaddrinfo(struct addrinfo * res);
extern const char *gai_strerror(int errcode);
extern int getnameinfo(const struct sockaddr * sa, socklen_t salen,
			char *node, size_t nodelen,
			char *service, size_t servicelen, int flags);
#endif   /* HAVE_GETADDRINFO */

#endif   /* ADDRINFO_H */
Commit	Line	Data
9f802c72 WD	1	/*
	2	PostgreSQL Database Management System
	3	(formerly known as Postgres, then as Postgres95)
	4
	5	Portions Copyright (c) 1996-2005, The PostgreSQL Global Development Group
	6
	7	Portions Copyright (c) 1994, The Regents of the University of California
	8
	9	Permission to use, copy, modify, and distribute this software and its
	10	documentation for any purpose, without fee, and without a written agreement
	11	is hereby granted, provided that the above copyright notice and this paragraph
	12	and the following two paragraphs appear in all copies.
	13
	14	IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
	15	DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
	16	LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION,
	17	EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
	18	SUCH DAMAGE.
	19
	20	THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
	21	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
	22	AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
	23	ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS
	24	TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
	25
	26	*/
	27
	28	/*-------------------------------------------------------------------------
	29	*
	30	* getaddrinfo.h
	31	* Support getaddrinfo() on platforms that don't have it.
	32	*
	33	* Note: we use our own routines on platforms that don't HAVE_STRUCT_ADDRINFO,
	34	* whether or not the library routine getaddrinfo() can be found. This
	35	* policy is needed because on some platforms a manually installed libbind.a
	36	* may provide getaddrinfo(), yet the system headers may not provide the
	37	* struct definitions needed to call it. To avoid conflict with the libbind
	38	* definition in such cases, we rename our routines to pg_xxx() via macros.
	39	*
	40	* This code will also work on platforms where struct addrinfo is defined
	41	* in the system headers but no getaddrinfo() can be located.
	42	*
	43	* Copyright (c) 2003-2007, PostgreSQL Global Development Group
	44	*
	45	*-------------------------------------------------------------------------
	46	*/
	47	#ifndef ADDRINFO_H
	48	#define ADDRINFO_H
	49
	50
	51	/* Various macros that ought to be in <netdb.h>, but might not be */
	52
	53	#ifndef EAI_FAIL
	54	#define EAI_BADFLAGS (-1)
	55	#define EAI_NONAME (-2)
	56	#define EAI_AGAIN (-3)
	57	#define EAI_FAIL (-4)
	58	#define EAI_FAMILY (-6)
	59	#define EAI_SOCKTYPE (-7)
	60	#define EAI_SERVICE (-8)
	61	#define EAI_MEMORY (-10)
	62	#define EAI_SYSTEM (-11)
	63	#endif /* !EAI_FAIL */
	64
65	#ifndef AI_PASSIVE
66	#define AI_PASSIVE 0x0001
67	#endif
68
69	#ifndef AI_NUMERICHOST
70	/*
71	* some platforms don't support AI_NUMERICHOST; define as zero if using
72	* the system version of getaddrinfo...
73	*/
74	#if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
75	#define AI_NUMERICHOST 0
76	#else
77	#define AI_NUMERICHOST 0x0004
78	#endif
79	#endif
80
81	#ifndef AI_CANONNAME
82	#if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
83	#define AI_CANONNAME 0
84	#else
85	#define AI_CANONNAME 0x0008
86	#endif
87	#endif
88
89	#ifndef AI_NUMERICSERV
90	#if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
91	#define AI_NUMERICSERV 0
92	#else
93	#define AI_NUMERICSERV 0x0010
94	#endif
95	#endif
96
97	#ifndef NI_NUMERICHOST
98	#define NI_NUMERICHOST 1
99	#endif
100
101	#ifndef NI_NUMERICSERV
102	#define NI_NUMERICSERV 2
103	#endif
104
105	#ifndef NI_NOFQDN
106	#define NI_NOFQDN 4
107	#endif
108
109	#ifndef NI_NAMEREQD
110	#define NI_NAMEREQD 8
111	#endif
112
113	#ifndef NI_DGRAM
114	#define NI_DGRAM 16
115	#endif
116
117
118	#ifndef NI_MAXHOST
119	#define NI_MAXHOST 1025
120	#endif
121
122	#ifndef NI_MAXSERV
123	#define NI_MAXSERV 32
124	#endif
125
126	#ifndef HAVE_STRUCT_ADDRINFO
127
128	struct addrinfo
129	{
130	int ai_flags;
131	int ai_family;
132	int ai_socktype;
133	int ai_protocol;
134	size_t ai_addrlen;
135	struct sockaddr *ai_addr;
136	char *ai_canonname;
137	struct addrinfo *ai_next;
138	};
139	#endif /* HAVE_STRUCT_ADDRINFO */
140
141
142	#ifndef HAVE_GETADDRINFO
143
144	/* Rename private copies per comments above */
145	#ifdef getaddrinfo
146	#undef getaddrinfo
147	#endif
148	#define getaddrinfo pg_getaddrinfo
149
150	#ifdef freeaddrinfo
151	#undef freeaddrinfo
152	#endif
153	#define freeaddrinfo pg_freeaddrinfo
154
155	#ifdef gai_strerror
156	#undef gai_strerror
157	#endif
158	#define gai_strerror pg_gai_strerror
159
160	#ifdef getnameinfo
161	#undef getnameinfo
162	#endif
163	#define getnameinfo pg_getnameinfo
164
165	extern int getaddrinfo(const char node, const char service,
166	const struct addrinfo * hints, struct addrinfo ** res);
167	extern void freeaddrinfo(struct addrinfo * res);
168	extern const char *gai_strerror(int errcode);
169	extern int getnameinfo(const struct sockaddr * sa, socklen_t salen,
170	char *node, size_t nodelen,
171	char *service, size_t servicelen, int flags);
172	#endif /* HAVE_GETADDRINFO */
173
174	#endif /* ADDRINFO_H */