regex: fix off-by-one error in configure test
[gnulib.git] / m4 / regex.m4
index 944dfaf..958c663 100644 (file)
@@ -92,7 +92,7 @@ AC_DEFUN([gl_REGEX],
                     result |= 1;
                   else if (re_search (&regex, data, sizeof data - 1,
                                       0, sizeof data - 1, 0)
-                           != 20)
+                           != 21)
                     result |= 1;
                 }