getaddrinfo.c File Reference

#include "ruby/config.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <ctype.h>
#include "addrinfo.h"
#include "sockport.h"

Go to the source code of this file.

Data Structures
struct	sockinet
struct	afd

Macros
#define	SUCCESS   0
#define	ANY   0
#define	YES   1
#define	NO   0
#define	N_INET   0
#define	PTON_MAX   4
#define	GET_CANONNAME(ai, str)
#define	GET_AI(ai, afd, addr, port)
#define	ERR(err)   { error = (err); goto bad; }

Typedefs
typedef int	socklen_t

Functions
char *	gai_strerror (int ecode)
void	freeaddrinfo (struct addrinfo *ai)
int	getaddrinfo (const char *hostname, const char *servname, const struct addrinfo *hints, struct addrinfo **res)

Macro Definition Documentation

ANY

#define ANY   0

Definition at line 90 of file getaddrinfo.c.

ERR

#define ERR

(

err

)

{ error = (err); goto bad; }

Definition at line 198 of file getaddrinfo.c.

Referenced by rb_print_backtrace().

GET_AI

#define GET_AI	(		ai,
			afd,
			addr,
			port
	)

Value:

{\
        char *p;\
        if (((ai) = (struct addrinfo *)malloc(sizeof(struct addrinfo) +\
                                              ((afd)->a_socklen)))\
            == NULL) {\
                error = EAI_MEMORY;\
                goto free;\
        }\
        memcpy((ai), pai, sizeof(struct addrinfo));\
        (ai)->ai_addr = (struct sockaddr *)((ai) + 1);\
        (ai)->ai_family = (afd)->a_af;\
        (ai)->ai_addrlen = (afd)->a_socklen;\
        INIT_SOCKADDR((ai)->ai_addr, (afd)->a_af, (afd)->a_socklen);\
        ((struct sockinet *)(ai)->ai_addr)->si_port = (port);\
        p = (char *)((ai)->ai_addr);\
        memcpy(p + (afd)->a_off, (addr), (afd)->a_addrlen);\
}

Definition at line 180 of file getaddrinfo.c.

GET_CANONNAME

#define GET_CANONNAME	(		ai,
			str
	)

Value:

if (pai->ai_flags & AI_CANONNAME) {\
        if (((ai)->ai_canonname = (char *)malloc(strlen(str) + 1)) != NULL) {\
                strcpy((ai)->ai_canonname, (str));\
        } else {\
                error = EAI_MEMORY;\
                goto free;\
        }\
}

Definition at line 170 of file getaddrinfo.c.

N_INET

#define N_INET   0

NO

#define NO   0

Definition at line 92 of file getaddrinfo.c.

PTON_MAX

#define PTON_MAX   4

Definition at line 142 of file getaddrinfo.c.

Referenced by getaddrinfo().

SUCCESS

#define SUCCESS   0

Definition at line 89 of file getaddrinfo.c.

YES

#define YES   1

Definition at line 91 of file getaddrinfo.c.

Typedef Documentation

socklen_t

typedef int socklen_t

Definition at line 83 of file getaddrinfo.c.

Function Documentation

freeaddrinfo()

void freeaddrinfo

(

struct addrinfo *

ai

)

Definition at line 214 of file getaddrinfo.c.

References addrinfo::ai_canonname, addrinfo::ai_next, free(), and NULL.

Referenced by rb_freeaddrinfo().

gai_strerror()

char* gai_strerror

(

int

ecode

)

Definition at line 205 of file getaddrinfo.c.

References EAI_MAX.

Referenced by rsock_raise_socket_error().

getaddrinfo()

int getaddrinfo	(	const char *	hostname,
		const char *	servname,
		const struct addrinfo *	hints,
		struct addrinfo **	res
	)

Definition at line 270 of file getaddrinfo.c.

References getenv, NULL, PTON_MAX, top, and u_short.