From 021e786c7108bc60f4517fcc306e1e18d99ff5ec Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Thu, 20 Oct 2005 19:40:02 +0000
Subject: [PATCH] Added a dump_addrinfo() function to ease debugging of
resolved names. Define DEBUG_ADDRINFO to enable.
---
lib/hostip6.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/lib/hostip6.c b/lib/hostip6.c
index aa25de3e9f..775ba91475 100644
--- a/lib/hostip6.c
+++ b/lib/hostip6.c
@@ -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 */
--
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