X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/268da8167a4d25130f2f9c6cc49c8c31362df5e9..4e9c7fae8f6feb2fecaea811b318cf416d23dd9a:/lib/getaddrinfo.c

diff --git a/lib/getaddrinfo.c b/lib/getaddrinfo.c
index a919ff63..b7432870 100644
--- a/lib/getaddrinfo.c
+++ b/lib/getaddrinfo.c
@@ -53,8 +53,15 @@ TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 #define SMB_STRDUP(s) strdup(s)
 #endif
 
+#ifndef HOST_NAME_MAX
+#define HOST_NAME_MAX 255
+#endif
+
 static int check_hostent_err(struct hostent *hp)
 {
+#ifndef INET6
+	extern int h_errno;
+#endif
 	if (!hp) {
 		switch (h_errno) {
 			case HOST_NOT_FOUND:
@@ -106,7 +113,7 @@ static char *get_canon_name_from_addr(struct in_addr ip,
 				int *perr)
 {
 	return canon_name_from_hostent(
-			gethostbyaddr(&ip, sizeof(ip), AF_INET),
+			gethostbyaddr((void *)&ip, sizeof ip, AF_INET),
 			perr);
 }
 
@@ -399,8 +406,8 @@ static int gethostnameinfo(const struct sockaddr *sa,
 
 	if (!(flags & NI_NUMERICHOST)) {
 		struct hostent *hp = gethostbyaddr(
-				&((struct sockaddr_in *)sa)->sin_addr,
-				sizeof(struct in_addr),
+				(void *)&((struct sockaddr_in *)sa)->sin_addr,
+				sizeof (struct in_addr),
 				sa->sa_family);
 		ret = check_hostent_err(hp);
 		if (ret == 0) {
@@ -481,17 +488,14 @@ int getnameinfo(const struct sockaddr *sa, socklen_t salen,
 		return EAI_FAIL;
 	}
 
-	if (salen < sizeof(struct sockaddr_in)) {
+	if (salen < (socklen_t)sizeof (struct sockaddr_in)) {
 		return EAI_FAIL;
 	}
 
-	/* We don't support those. */
-	if ((node && !(flags & NI_NUMERICHOST))
-		|| (service && !(flags & NI_NUMERICSERV)))
-		return EAI_FAIL;
-
 	if (node) {
-		return gethostnameinfo(sa, node, nodelen, flags);
+		int ret = gethostnameinfo(sa, node, nodelen, flags);
+		if (ret)
+			return ret;
 	}
 
 	if (service) {