fix getaddrinfo regression with AI_ADDRCONFIG on some configurations

[musl] / src / network / getaddrinfo.c

diff --git a/src/network/getaddrinfo.c b/src/network/getaddrinfo.c
index ba26847..e33bfa2 100644 (file)
--- a/src/network/getaddrinfo.c
+++ b/src/network/getaddrinfo.c
@@ -76,7 +76,16 @@ int getaddrinfo(const char *restrict host, const char *restrict serv, const stru
                                close(s);
                                if (!r) continue;
                        }
-                       if (errno != EAFNOSUPPORT) return EAI_SYSTEM;
+                       switch (errno) {
+                       case EADDRNOTAVAIL:
+                       case EAFNOSUPPORT:
+                       case EHOSTUNREACH:
+                       case ENETDOWN:
+                       case ENETUNREACH:
+                               break;
+                       default:
+                               return EAI_SYSTEM;
+                       }
                        if (family == tf[i]) return EAI_NONAME;
                        family = tf[1-i];
                }