(gaih_inet): If NAME is a numerical IP address and AI_CANONNAME is set, return copy...

diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index 20e60de..eb45709 100644 (file)
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -556,6 +556,14 @@ gaih_inet (const char *name, const struct gaih_service *service,
            }
          else
            return -EAI_ADDRFAMILY;
+
+       dupname:
+         if (req->ai_flags & AI_CANONNAME)
+           {
+             canon = strdup (name);
+             if (canon == NULL)
+               return -EAI_MEMORY;
+           }
        }
 
       if (at->family == AF_UNSPEC)
@@ -603,6 +611,8 @@ gaih_inet (const char *name, const struct gaih_service *service,
                        return GAIH_OKIFUNSPEC | -EAI_NONAME;
                    }
                }
+
+             goto dupname;
            }
        }