Commit 021e786c authored by Daniel Stenberg's avatar Daniel Stenberg
Browse files

Added a dump_addrinfo() function to ease debugging of resolved names. Define 

DEBUG_ADDRINFO to enable.
parent 0c6bb8cb

lib/hostip6.c

+23 −0
Original line number Diff line number Diff line
@@ -73,6 +73,7 @@ 
#include "strerror.h"

#include "url.h"

#include "inet_pton.h"

#include "connect.h"



#define _MPRINTF_REPLACE /* use our functions only */

#include <curl/mprintf.h>
@@ -186,6 +187,26 @@ bool Curl_ipvalid(struct SessionHandle *data) 
}



#ifndef USE_THREADING_GETADDRINFO



#ifdef DEBUG_ADDRINFO

static void dump_addrinfo(struct connectdata *conn, const struct addrinfo *ai)

{

  printf("dump_addrinfo:\n");

  for ( ; ai; ai = ai->ai_next) {

    char  buf[INET6_ADDRSTRLEN];



    printf("    fam %2d, CNAME %s, ",

           ai->ai_family, ai->ai_canonname ? ai->ai_canonname : "<none>");

    if (Curl_printable_address(ai, buf, sizeof(buf)))

      printf("%s\n", buf);

    else

      printf("failed; %s\n", Curl_strerror(conn, Curl_ourerrno()));

  }

}

#else

#define dump_addrinfo(x,y)

#endif



/*

 * Curl_getaddrinfo() when built ipv6-enabled (non-threading version).

 *
@@ -266,6 +287,8 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn, 
    return NULL;

  }



  dump_addrinfo(conn, res);



  return res;

}

#endif /* USE_THREADING_GETADDRINFO */