ip.h File Reference

#include <netdb.h>
#include <sys/socket.h>
#include "libpq/pqcomm.h"

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Functions
int	pg_getaddrinfo_all (const char *hostname, const char *servname, const struct addrinfo *hintp, struct addrinfo **result)
void	pg_freeaddrinfo_all (int hint_ai_family, struct addrinfo *ai)
int	pg_getnameinfo_all (const struct sockaddr_storage *addr, int salen, char *node, int nodelen, char *service, int servicelen, int flags)

Function Documentation

pg_freeaddrinfo_all()

void pg_freeaddrinfo_all	(	int	hint_ai_family,
		struct addrinfo *	ai
	)

Definition at line 82 of file ip.c.

{
    if (hint_ai_family == AF_UNIX)
    {
        /* struct was built by getaddrinfo_unix (see pg_getaddrinfo_all) */
        while (ai != NULL)
        {
            struct addrinfo *p = ai;
 
            ai = ai->ai_next;
            free(p->ai_addr);
            free(p);
        }
    }
    else
    {
        /* struct was built by getaddrinfo() */
        if (ai != NULL)
            freeaddrinfo(ai);
    }
}

References free.

Referenced by ident_inet(), ListenServerPort(), parse_hba_auth_opt(), parse_hba_line(), PerformRadiusTransaction(), and PQconnectPoll().

pg_getaddrinfo_all()

int pg_getaddrinfo_all	(	const char *	hostname,
		const char *	servname,
		const struct addrinfo *	hintp,
		struct addrinfo **	result
	)

Definition at line 53 of file ip.c.

{
    int         rc;
 
    /* not all versions of getaddrinfo() zero *result on failure */
    *result = NULL;
 
    if (hintp->ai_family == AF_UNIX)
        return getaddrinfo_unix(servname, hintp, result);
 
    /* NULL has special meaning to getaddrinfo(). */
    rc = getaddrinfo((!hostname || hostname[0] == '\0') ? NULL : hostname,
                     servname, hintp, result);
 
    return rc;
}

References getaddrinfo_unix(), and hostname.

Referenced by ident_inet(), ListenServerPort(), parse_hba_auth_opt(), parse_hba_line(), PerformRadiusTransaction(), and PQconnectPoll().

pg_getnameinfo_all()

int pg_getnameinfo_all	(	const struct sockaddr_storage *	addr,
		int	salen,
		char *	node,
		int	nodelen,
		char *	service,
		int	servicelen,
		int	flags
	)

Definition at line 114 of file ip.c.

{
    int         rc;
 
    if (addr && addr->ss_family == AF_UNIX)
        rc = getnameinfo_unix((const struct sockaddr_un *) addr, salen,
                              node, nodelen,
                              service, servicelen,
                              flags);
    else
        rc = getnameinfo((const struct sockaddr *) addr, salen,
                         node, nodelen,
                         service, servicelen,
                         flags);
 
    if (rc != 0)
    {
        if (node)
            strlcpy(node, "???", nodelen);
        if (service)
            strlcpy(service, "???", servicelen);
    }
 
    return rc;
}

References getnameinfo_unix(), and strlcpy().

Referenced by BackendInitialize(), check_hostname(), ClientAuthentication(), emitHostIdentityInfo(), fill_hba_line(), ident_inet(), inet_client_addr(), inet_client_port(), inet_server_addr(), inet_server_port(), ListenServerPort(), pg_stat_get_activity(), pg_stat_get_backend_client_addr(), and pg_stat_get_backend_client_port().