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authorYang Tse <yangsita@gmail.com>2008-10-19 01:02:18 +0000
committerYang Tse <yangsita@gmail.com>2008-10-19 01:02:18 +0000
commit29ba1730cabd948877848e1a59d49ee8e903cbe4 (patch)
tree67d09a6c622fcfa021a84d5c157424d684089f65 /lib
parent183210619d153ce14fa6b773998027da506d5664 (diff)
attempt to fix compiler warning relative to potential misaligned data access
Diffstat (limited to 'lib')
-rw-r--r--lib/hostip.c33
1 files changed, 23 insertions, 10 deletions
diff --git a/lib/hostip.c b/lib/hostip.c
index 21dcf5b1e..05b40e323 100644
--- a/lib/hostip.c
+++ b/lib/hostip.c
@@ -173,23 +173,36 @@ int Curl_num_addresses(const Curl_addrinfo *addr)
/*
* Curl_printable_address() returns a printable version of the 1st address
- * given in the 'ip' argument. The result will be stored in the buf that is
+ * given in the 'ai' argument. The result will be stored in the buf that is
* bufsize bytes big.
*
* If the conversion fails, it returns NULL.
*/
-const char *Curl_printable_address(const Curl_addrinfo *ip,
- char *buf, size_t bufsize)
+const char *
+Curl_printable_address(const Curl_addrinfo *ai, char *buf, size_t bufsize)
{
- const void *ip4 = &((const struct sockaddr_in*)ip->ai_addr)->sin_addr;
- int af = ip->ai_family;
-#ifdef CURLRES_IPV6
- const void *ip6 = &((const struct sockaddr_in6*)ip->ai_addr)->sin6_addr;
-#else
- const void *ip6 = NULL;
+ struct sockaddr_in *sa4;
+ struct in_addr *ipaddr4;
+#ifdef ENABLE_IPV6
+ struct sockaddr_in6 *sa6;
+ struct in6_addr *ipaddr6;
#endif
- return Curl_inet_ntop(af, af == AF_INET ? ip4 : ip6, buf, bufsize);
+ switch (ai->ai_family) {
+ case AF_INET:
+ sa4 = (struct sockaddr_in *)ai->ai_addr;
+ ipaddr4 = &sa4->sin_addr;
+ return Curl_inet_ntop(ai->ai_family, (const void *)ipaddr4, buf, bufsize);
+#ifdef ENABLE_IPV6
+ case AF_INET6:
+ sa6 = (struct sockaddr_in6 *)ai->ai_addr;
+ ipaddr6 = &sa6->sin6_addr;
+ return Curl_inet_ntop(ai->ai_family, (const void *)ipaddr6, buf, bufsize);
+#endif
+ default:
+ break;
+ }
+ return NULL;
}
/*