cpython/Modules/addrinfo.h

/*
 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
 * 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.
 * 3. Neither the name of the project 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 PROJECT 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 PROJECT 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.
 */

#ifndef HAVE_GETADDRINFO

/*
 * Error return codes from getaddrinfo()
 */
#ifdef EAI_ADDRFAMILY
/* If this is defined, there is a conflicting implementation
   in the C library, which can't be used for some reason.
   Make sure it won't interfere with this emulation. */

#undef EAI_ADDRFAMILY
#undef EAI_AGAIN
#undef EAI_BADFLAGS
#undef EAI_FAIL
#undef EAI_FAMILY
#undef EAI_MEMORY
#undef EAI_NODATA
#undef EAI_NONAME
#undef EAI_SERVICE
#undef EAI_SOCKTYPE
#undef EAI_SYSTEM
#undef EAI_BADHINTS
#undef EAI_PROTOCOL
#undef EAI_MAX
#undef getaddrinfo
#define getaddrinfo …
#endif /* EAI_ADDRFAMILY */

#define EAI_ADDRFAMILY …
#define EAI_AGAIN …
#define EAI_BADFLAGS …
#define EAI_FAIL …
#define EAI_FAMILY …
#define EAI_MEMORY …
#define EAI_NODATA …
#define EAI_NONAME …
#define EAI_SERVICE …
#define EAI_SOCKTYPE …
#define EAI_SYSTEM …
#define EAI_BADHINTS …
#define EAI_PROTOCOL …
#define EAI_MAX …

/*
 * Flag values for getaddrinfo()
 */
#ifdef AI_PASSIVE
#undef AI_PASSIVE
#undef AI_CANONNAME
#undef AI_NUMERICHOST
#undef AI_MASK
#undef AI_ALL
#undef AI_V4MAPPED_CFG
#undef AI_ADDRCONFIG
#undef AI_V4MAPPED
#undef AI_DEFAULT
#endif /* AI_PASSIVE */

#define AI_PASSIVE …
#define AI_CANONNAME …
#define AI_NUMERICHOST …
/* valid flags for addrinfo */
#define AI_MASK …

#define AI_ALL …
#define AI_V4MAPPED_CFG …
#define AI_ADDRCONFIG …
#define AI_V4MAPPED …
/* special recommended flags for getipnodebyname */
#define AI_DEFAULT …

#endif /* !HAVE_GETADDRINFO */

#ifndef HAVE_GETNAMEINFO

/*
 * Constants for getnameinfo()
 */
#ifndef NI_MAXHOST
#define NI_MAXHOST …
#define NI_MAXSERV …
#endif /* !NI_MAXHOST */

/*
 * Flag values for getnameinfo()
 */
#ifndef NI_NOFQDN
#define NI_NOFQDN …
#define NI_NUMERICHOST …
#define NI_NAMEREQD …
#define NI_NUMERICSERV …
#define NI_DGRAM …
#endif /* !NI_NOFQDN */

#endif /* !HAVE_GETNAMEINFO */

#ifndef HAVE_ADDRINFO
struct addrinfo {
    int         ai_flags;       /* AI_PASSIVE, AI_CANONNAME */
    int         ai_family;      /* PF_xxx */
    int         ai_socktype;    /* SOCK_xxx */
    int         ai_protocol;    /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
    size_t      ai_addrlen;     /* length of ai_addr */
    char        *ai_canonname;  /* canonical name for hostname */
    struct sockaddr *ai_addr;           /* binary address */
    struct addrinfo *ai_next;           /* next structure in linked list */
};
#endif /* !HAVE_ADDRINFO */

#ifndef HAVE_SOCKADDR_STORAGE
/*
 * RFC 2553: protocol-independent placeholder for socket addresses
 */
#define _SS_MAXSIZE …
#define _SS_ALIGNSIZE …
#define _SS_PAD1SIZE …
#define _SS_PAD2SIZE …

struct sockaddr_storage {
#ifdef HAVE_SOCKADDR_SA_LEN
    unsigned char ss_len;               /* address length */
    unsigned char ss_family;            /* address family */
#else
    unsigned short ss_family;           /* address family */
#endif /* HAVE_SOCKADDR_SA_LEN */
    char        __ss_pad1[_SS_PAD1SIZE];
    long long __ss_align;            /* force desired structure storage alignment */
    char        __ss_pad2[_SS_PAD2SIZE];
};
#endif /* !HAVE_SOCKADDR_STORAGE */

#ifdef __cplusplus
extern "C" {
#endif
#ifdef ENABLE_IPV6
extern void freehostent(struct hostent *);
#endif
#ifdef __cplusplus
}
#endif