gethostbyname_r: set correct h_errno upon failure

previously gethostbyname_r(ipv6.google.com);herror("ERROR:") gave
Answer name = |ipv6.google.com|
Answer type = |5|
herrno=1
h_errno=0
ERROR:: Error 0

herrno=1
h_errno=1
ERROR:: Unknown host

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

diff --git a/libc/inet/resolv.c b/libc/inet/resolv.c
index 21e84e5..38a03bb 100644 (file)
--- a/libc/inet/resolv.c
+++ b/libc/inet/resolv.c
@@ -2170,6 +2170,7 @@ int gethostbyname_r(const char *name,
        }
 
        *h_errnop = HOST_NOT_FOUND;
+       __set_h_errno(HOST_NOT_FOUND);
        i = TRY_AGAIN;
 
  free_and_ret: