ReactOS 0.4.16-dev-297-gc569aee
netdb.h
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1
6/*
7 * Redistribution and use in source and binary forms, with or without modification,
8 * are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
19 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
20 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
21 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
23 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
27 * OF SUCH DAMAGE.
28 *
29 * This file is part of the lwIP TCP/IP stack.
30 *
31 * Author: Simon Goldschmidt
32 *
33 */
34#ifndef LWIP_HDR_NETDB_H
35#define LWIP_HDR_NETDB_H
36
37#include "lwip/opt.h"
38
39#if LWIP_DNS && LWIP_SOCKET
40
41#include "lwip/arch.h"
42#include "lwip/inet.h"
43#include "lwip/sockets.h"
44
45#ifdef __cplusplus
46extern "C" {
47#endif
48
49/* some rarely used options */
50#ifndef LWIP_DNS_API_DECLARE_H_ERRNO
51#define LWIP_DNS_API_DECLARE_H_ERRNO 1
52#endif
53
54#ifndef LWIP_DNS_API_DEFINE_ERRORS
55#define LWIP_DNS_API_DEFINE_ERRORS 1
56#endif
57
58#ifndef LWIP_DNS_API_DEFINE_FLAGS
59#define LWIP_DNS_API_DEFINE_FLAGS 1
60#endif
61
62#ifndef LWIP_DNS_API_DECLARE_STRUCTS
63#define LWIP_DNS_API_DECLARE_STRUCTS 1
64#endif
65
66#if LWIP_DNS_API_DEFINE_ERRORS
68#define EAI_NONAME 200
69#define EAI_SERVICE 201
70#define EAI_FAIL 202
71#define EAI_MEMORY 203
72#define EAI_FAMILY 204
73
74#define HOST_NOT_FOUND 210
75#define NO_DATA 211
76#define NO_RECOVERY 212
77#define TRY_AGAIN 213
78#endif /* LWIP_DNS_API_DEFINE_ERRORS */
79
80#if LWIP_DNS_API_DEFINE_FLAGS
81/* input flags for struct addrinfo */
82#define AI_PASSIVE 0x01
83#define AI_CANONNAME 0x02
84#define AI_NUMERICHOST 0x04
85#define AI_NUMERICSERV 0x08
86#define AI_V4MAPPED 0x10
87#define AI_ALL 0x20
88#define AI_ADDRCONFIG 0x40
89#endif /* LWIP_DNS_API_DEFINE_FLAGS */
90
91#if LWIP_DNS_API_DECLARE_STRUCTS
92struct hostent {
93 char *h_name; /* Official name of the host. */
94 char **h_aliases; /* A pointer to an array of pointers to alternative host names,
95 terminated by a null pointer. */
96 int h_addrtype; /* Address type. */
97 int h_length; /* The length, in bytes, of the address. */
98 char **h_addr_list; /* A pointer to an array of pointers to network addresses (in
99 network byte order) for the host, terminated by a null pointer. */
100#define h_addr h_addr_list[0] /* for backward compatibility */
101};
102
103struct addrinfo {
104 int ai_flags; /* Input flags. */
105 int ai_family; /* Address family of socket. */
106 int ai_socktype; /* Socket type. */
107 int ai_protocol; /* Protocol of socket. */
108 socklen_t ai_addrlen; /* Length of socket address. */
109 struct sockaddr *ai_addr; /* Socket address of socket. */
110 char *ai_canonname; /* Canonical name of service location. */
111 struct addrinfo *ai_next; /* Pointer to next in list. */
112};
113#endif /* LWIP_DNS_API_DECLARE_STRUCTS */
114
115#define NETDB_ELEM_SIZE (sizeof(struct addrinfo) + sizeof(struct sockaddr_storage) + DNS_MAX_NAME_LENGTH + 1)
116
117#if LWIP_DNS_API_DECLARE_H_ERRNO
118/* application accessible error code set by the DNS API functions */
119extern int h_errno;
120#endif /* LWIP_DNS_API_DECLARE_H_ERRNO*/
121
122struct hostent *lwip_gethostbyname(const char *name);
123int lwip_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
124 size_t buflen, struct hostent **result, int *h_errnop);
125void lwip_freeaddrinfo(struct addrinfo *ai);
126int lwip_getaddrinfo(const char *nodename,
127 const char *servname,
128 const struct addrinfo *hints,
129 struct addrinfo **res);
130
131#if LWIP_COMPAT_SOCKETS
133#define gethostbyname(name) lwip_gethostbyname(name)
135#define gethostbyname_r(name, ret, buf, buflen, result, h_errnop) \
136 lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop)
138#define freeaddrinfo(addrinfo) lwip_freeaddrinfo(addrinfo)
140#define getaddrinfo(nodname, servname, hints, res) \
141 lwip_getaddrinfo(nodname, servname, hints, res)
142#endif /* LWIP_COMPAT_SOCKETS */
143
144#ifdef __cplusplus
145}
146#endif
147
148#endif /* LWIP_DNS && LWIP_SOCKET */
149
150#endif /* LWIP_HDR_NETDB_H */
GLuint res
Definition: glext.h:9613
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition: glext.h:7751
GLuint64EXT * result
Definition: glext.h:11304
int socklen_t
Definition: tcp.c:35
namespace GUID const ADDRINFOEXW * hints
Definition: sock.c:80
static const ADDRINFOW PADDRINFOW *static const WCHAR * servname
Definition: sock.c:79
size_t ai_addrlen
Definition: ws2def.h:669
struct sockaddr * ai_addr
Definition: ws2def.h:671
char * ai_canonname
Definition: ws2def.h:670
int ai_socktype
Definition: ws2def.h:667
int ai_protocol
Definition: ws2def.h:668
struct addrinfo * ai_next
Definition: ws2def.h:672
int ai_flags
Definition: ws2def.h:665
int ai_family
Definition: ws2def.h:666
char * h_name
Definition: winsock.h:134
short h_length
Definition: winsock.h:137
char ** h_aliases
Definition: winsock.h:135
short h_addrtype
Definition: winsock.h:136
char ** h_addr_list
Definition: winsock.h:138
Definition: name.c:39
int ret
#define h_errno
Definition: winsock.h:225