X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fnetwork%2Flookup_ipliteral.c;h=2fddab73732535840c5b7b1e0946f13dc459dced;hb=bf14ef193b4203aa9a8b173faeeea06d98397f65;hp=8dacffc17c4eac2798304289094aae8558b473a0;hpb=01dc3f4fea73e4df31cc3e3bb1cd5580fc0d7938;p=musl

diff --git a/src/network/lookup_ipliteral.c b/src/network/lookup_ipliteral.c
index 8dacffc1..2fddab73 100644
--- a/src/network/lookup_ipliteral.c
+++ b/src/network/lookup_ipliteral.c
@@ -5,47 +5,51 @@
 #include <arpa/inet.h>
 #include <limits.h>
 #include <stdlib.h>
+#include <string.h>
 #include <ctype.h>
 #include "lookup.h"
 
-int __inet_aton(const char *, struct in_addr *);
-
 int __lookup_ipliteral(struct address buf[static 1], const char *name, int family)
 {
 	struct in_addr a4;
 	struct in6_addr a6;
-	if (family != AF_INET6 && __inet_aton(name, &a4)>0) {
+	if (__inet_aton(name, &a4) > 0) {
+		if (family == AF_INET6) /* wrong family */
+			return EAI_NONAME;
 		memcpy(&buf[0].addr, &a4, sizeof a4);
 		buf[0].family = AF_INET;
 		buf[0].scopeid = 0;
 		return 1;
 	}
-	if (family != AF_INET) {
-		char tmp[64];
-		char *p = strchr(name, '%'), *z;
-		unsigned long long scopeid;
-		if (p && p-name < 64) {
-			memcpy(tmp, name, p-name);
-			tmp[p-name] = 0;
-			name = tmp;
-		}
-		if (inet_pton(AF_INET6, name, &a6)<=0) return 0;
-		memcpy(&buf[0].addr, &a6, sizeof a6);
-		buf[0].family = AF_INET6;
-		if (p) {
-			if (isdigit(*++p)) scopeid = strtoull(p, &z, 10);
-			else z = p-1;
-			if (*z) {
-				if (!IN6_IS_ADDR_LINKLOCAL(&a6) &&
-				    !IN6_IS_ADDR_MC_LINKLOCAL(&a6))
-					return EAI_NONAME;
-				scopeid = if_nametoindex(p);
-				if (!scopeid) return EAI_NONAME;
-			}
-			if (scopeid > UINT_MAX) return EAI_NONAME;
-			buf[0].scopeid = scopeid;
+
+	char tmp[64];
+	char *p = strchr(name, '%'), *z;
+	unsigned long long scopeid = 0;
+	if (p && p-name < 64) {
+		memcpy(tmp, name, p-name);
+		tmp[p-name] = 0;
+		name = tmp;
+	}
+
+	if (inet_pton(AF_INET6, name, &a6) <= 0)
+		return 0;
+	if (family == AF_INET) /* wrong family */
+		return EAI_NONAME;
+
+	memcpy(&buf[0].addr, &a6, sizeof a6);
+	buf[0].family = AF_INET6;
+	if (p) {
+		if (isdigit(*++p)) scopeid = strtoull(p, &z, 10);
+		else z = p-1;
+		if (*z) {
+			if (!IN6_IS_ADDR_LINKLOCAL(&a6) &&
+			    !IN6_IS_ADDR_MC_LINKLOCAL(&a6))
+				return EAI_NONAME;
+			scopeid = if_nametoindex(p);
+			if (!scopeid) return EAI_NONAME;
 		}
-		return 1;
+		if (scopeid > UINT_MAX) return EAI_NONAME;
 	}
-	return 0;
+	buf[0].scopeid = scopeid;
+	return 1;
 }