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Diffstat (limited to 'libbb')
-rw-r--r--libbb/xconnect.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/libbb/xconnect.c b/libbb/xconnect.c
index cb5ac2c..91c12f4 100644
--- a/libbb/xconnect.c
+++ b/libbb/xconnect.c
@@ -125,6 +125,7 @@ USE_FEATURE_IPV6(sa_family_t af,)
int rc;
len_and_sockaddr *r = NULL;
struct addrinfo *result = NULL;
+ struct addrinfo *used_res;
const char *org_host = host; /* only for error msg */
const char *cp;
struct addrinfo hint;
@@ -169,9 +170,21 @@ USE_FEATURE_IPV6(sa_family_t af,)
xfunc_die();
goto ret;
}
- r = xmalloc(offsetof(len_and_sockaddr, sa) + result->ai_addrlen);
- r->len = result->ai_addrlen;
- memcpy(&r->sa, result->ai_addr, result->ai_addrlen);
+ used_res = result;
+#if ENABLE_FEATURE_PREFER_IPV4_ADDRESS
+ while (1) {
+ if (used_res->ai_family == AF_INET)
+ break;
+ used_res = used_res->ai_next;
+ if (!used_res) {
+ used_res = result;
+ break;
+ }
+ }
+#endif
+ r = xmalloc(offsetof(len_and_sockaddr, sa) + used_res->ai_addrlen);
+ r->len = used_res->ai_addrlen;
+ memcpy(&r->sa, used_res->ai_addr, used_res->ai_addrlen);
set_nport(r, htons(port));
ret:
freeaddrinfo(result);