nscd: fall back gracefully on kernels without AF_UNIX support

[musl] / src / network / res_send.c

diff --git a/src/network/res_send.c b/src/network/res_send.c
index 19cfe0f..ee4abf1 100644 (file)
--- a/src/network/res_send.c
+++ b/src/network/res_send.c
@@ -1,12 +1,9 @@
 #include <resolv.h>
-#include "libc.h"
-
-int __res_msend(int, const unsigned char *const *, const int *, unsigned char *const *, int *, int);
 
 int __res_send(const unsigned char *msg, int msglen, unsigned char *answer, int anslen)
 {
        int r = __res_msend(1, &msg, &msglen, &answer, &anslen, anslen);
-       return r<0 ? r : anslen;
+       return r<0 || !anslen ? -1 : anslen;
 }
 
 weak_alias(__res_send, res_send);