#ifndef _MYADDRINFO_H_INCLUDED_
#define _MYADDRINFO_H_INCLUDED_
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#ifdef EMULATE_IPV4_ADDRINFO
#undef freeaddrinfo
#define freeaddrinfo mai_freeaddrinfo
#undef gai_strerror
#define gai_strerror mai_strerror
#undef addrinfo
#define addrinfo mai_addrinfo
#undef sockaddr_storage
#define sockaddr_storage mai_sockaddr_storage
struct addrinfo {
int ai_flags;
int ai_family;
int ai_socktype;
int ai_protocol;
size_t ai_addrlen;
char *ai_canonname;
struct sockaddr *ai_addr;
struct addrinfo *ai_next;
};
struct sockaddr_storage {
struct sockaddr_in dummy;
};
#undef EAI_ADDRFAMILY
#define EAI_ADDRFAMILY 1
#undef EAI_AGAIN
#define EAI_AGAIN 2
#undef EAI_BADFLAGS
#define EAI_BADFLAGS 3
#undef EAI_FAIL
#define EAI_FAIL 4
#undef EAI_FAMILY
#define EAI_FAMILY 5
#undef EAI_MEMORY
#define EAI_MEMORY 6
#undef EAI_NODATA
#define EAI_NODATA 7
#undef EAI_NONAME
#define EAI_NONAME 8
#undef EAI_SERVICE
#define EAI_SERVICE 9
#undef EAI_SOCKTYPE
#define EAI_SOCKTYPE 10
#undef EAI_SYSTEM
#define EAI_SYSTEM 11
#undef EAI_BADHINTS
#define EAI_BADHINTS 12
#undef EAI_PROTOCOL
#define EAI_PROTOCOL 13
#undef EAI_RESNULL
#define EAI_RESNULL 14
#undef EAI_MAX
#define EAI_MAX 15
extern void freeaddrinfo(struct addrinfo *);
extern char *gai_strerror(int);
#endif
#ifdef HAS_IPV6
# define MAI_HOSTADDR_STRSIZE INET6_ADDRSTRLEN
#else
# ifndef INET_ADDRSTRLEN
# define INET_ADDRSTRLEN 16
# endif
# define MAI_HOSTADDR_STRSIZE INET_ADDRSTRLEN
#endif
#define MAI_HOSTNAME_STRSIZE 1025
#define MAI_SERVNAME_STRSIZE 32
#define MAI_SERVPORT_STRSIZE sizeof("65535")
#define MAI_V4ADDR_BITS 32
#define MAI_V6ADDR_BITS 128
#define MAI_V4ADDR_BYTES ((MAI_V4ADDR_BITS + (CHAR_BIT - 1))/CHAR_BIT)
#define MAI_V6ADDR_BYTES ((MAI_V6ADDR_BITS + (CHAR_BIT - 1))/CHAR_BIT)
typedef struct {
char buf[MAI_HOSTNAME_STRSIZE];
} MAI_HOSTNAME_STR;
typedef struct {
char buf[MAI_HOSTADDR_STRSIZE];
} MAI_HOSTADDR_STR;
typedef struct {
char buf[MAI_SERVNAME_STRSIZE];
} MAI_SERVNAME_STR;
typedef struct {
char buf[MAI_SERVPORT_STRSIZE];
} MAI_SERVPORT_STR;
extern int WARN_UNUSED_RESULT hostname_to_sockaddr_pf(const char *,
int, const char *, int, struct addrinfo **);
extern int WARN_UNUSED_RESULT hostaddr_to_sockaddr(const char *,
const char *, int, struct addrinfo **);
extern int WARN_UNUSED_RESULT sockaddr_to_hostaddr(const struct sockaddr *,
SOCKADDR_SIZE, MAI_HOSTADDR_STR *, MAI_SERVPORT_STR *, int);
extern int WARN_UNUSED_RESULT sockaddr_to_hostname(const struct sockaddr *,
SOCKADDR_SIZE, MAI_HOSTNAME_STR *, MAI_SERVNAME_STR *, int);
extern void myaddrinfo_control(int,...);
#define MAI_CTL_END 0
#define MAI_STRERROR(e) ((e) == EAI_SYSTEM ? strerror(errno) : gai_strerror(e))
#define hostname_to_sockaddr(host, serv, sock, res) \
hostname_to_sockaddr_pf((host), PF_UNSPEC, (serv), (sock), (res))
#define HOSTNAME_TO_SOCKADDR_PF(host, pf, serv, sock, res) \
do { \
int _aierr; \
_aierr = hostname_to_sockaddr_pf((host), (pf), (serv), (sock), (res)); \
if (_aierr) \
msg_fatal("hostname_to_sockaddr_pf: %s", MAI_STRERROR(_aierr)); \
} while (0)
#define HOSTNAME_TO_SOCKADDR(host, serv, sock, res) \
HOSTNAME_TO_SOCKADDR_PF((host), PF_UNSPEC, (serv), (sock), (res))
#define HOSTADDR_TO_SOCKADDR(host, serv, sock, res) \
do { \
int _aierr; \
_aierr = hostaddr_to_sockaddr((host), (serv), (sock), (res)); \
if (_aierr) \
msg_fatal("hostaddr_to_sockaddr: %s", MAI_STRERROR(_aierr)); \
} while (0)
#define SOCKADDR_TO_HOSTADDR(sa, salen, host, port, sock) \
do { \
int _aierr; \
_aierr = sockaddr_to_hostaddr((sa), (salen), (host), (port), (sock)); \
if (_aierr) \
msg_fatal("sockaddr_to_hostaddr: %s", MAI_STRERROR(_aierr)); \
} while (0)
#define SOCKADDR_TO_HOSTNAME(sa, salen, host, service, sock) \
do { \
int _aierr; \
_aierr = sockaddr_to_hostname((sa), (salen), (host), (service), (sock)); \
if (_aierr) \
msg_fatal("sockaddr_to_hostname: %s", MAI_STRERROR(_aierr)); \
} while (0)
#endif