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-rw-r--r--nss/tst-field.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/nss/tst-field.c b/nss/tst-field.c
index 23d2f2abf6..d98d3eead0 100644
--- a/nss/tst-field.c
+++ b/nss/tst-field.c
@@ -50,7 +50,8 @@ check_rewrite (const char *input, const char *expected)
   if (result != NULL && strcmp (result, expected) != 0)
     {
       printf ("FAIL: rewrite \"%s\" -> \"%s\", expected \"%s\"\n",
-	      input, result, expected);
+	      (input == NULL) ? "(null)" : input, result,
+	      (expected == NULL) ? "(null)" : expected);
       errors = true;
     }
   free (to_free);