X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-getlogin.c;h=136510832a31fd7ffb8da37f69cb9e1241f20483;hb=2c35d5c11d2359c7ebb06a3388a544cbe2f9c7f5;hp=65892890da98c0373e9d82320d0be9fbc6a5c28c;hpb=39331312abd1f8eb8578ef30f7cb5d3ea8e0f4fd;p=gnulib.git

diff --git a/tests/test-getlogin.c b/tests/test-getlogin.c
index 65892890d..136510832 100644
--- a/tests/test-getlogin.c
+++ b/tests/test-getlogin.c
@@ -23,6 +23,7 @@
 #include "signature.h"
 SIGNATURE_CHECK (getlogin, char *, (void));
 
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -35,7 +36,13 @@ main (void)
 
   /* Test value.  */
   buf = getlogin ();
-  ASSERT (buf != NULL);
+  if (buf == NULL)
+    {
+      /* getlogin() fails when stdin is not connected to a tty.  */
+      ASSERT (! isatty (0));
+      fprintf (stderr, "Skipping test: stdin is not a tty.\n");
+      return 77;
+    }
 
   /* Compare against the value from the environment.  */
 #if !((defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__)