maint: update copyright

[gnulib.git] / tests / test-stdbool.c

diff --git a/tests/test-stdbool.c b/tests/test-stdbool.c
index bb8d6f3..efa8324 100644 (file)
--- a/tests/test-stdbool.c
+++ b/tests/test-stdbool.c
@@ -1,5 +1,5 @@
 /* Test of <stdbool.h> substitute.
-   Copyright (C) 2002-2007, 2009-2010 Free Software Foundation, Inc.
+   Copyright (C) 2002-2007, 2009-2014 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -52,14 +52,14 @@
 
 /* Several tests cannot be guaranteed with gnulib's <stdbool.h>, at
    least, not for all compilers and compiler options.  */
-#if HAVE_STDBOOL_H || defined __GNUC__
+#if HAVE_STDBOOL_H || 3 <= __GNUC__
 struct s { _Bool s: 1; _Bool t; } s;
 #endif
 
 char a[true == 1 ? 1 : -1];
 char b[false == 0 ? 1 : -1];
 char c[__bool_true_false_are_defined == 1 ? 1 : -1];
-#if HAVE_STDBOOL_H || defined __GNUC__ /* See above.  */
+#if HAVE_STDBOOL_H || 3 <= __GNUC__ /* See above.  */
 char d[(bool) 0.5 == true ? 1 : -1];
 # ifdef ADDRESS_CHECK_OKAY /* Avoid gcc warning.  */
 /* C99 may plausibly be interpreted as not requiring support for a cast from
@@ -73,7 +73,7 @@ char f[(_Bool) 0.0 == false ? 1 : -1];
 #endif
 char g[true];
 char h[sizeof (_Bool)];
-#if HAVE_STDBOOL_H || defined __GNUC__ /* See above.  */
+#if HAVE_STDBOOL_H || 3 <= __GNUC__ /* See above.  */
 char i[sizeof s.t];
 #endif
 enum { j = false, k = true, l = false * true, m = true * 256 };
@@ -90,10 +90,16 @@ _Bool *pq = &q;
 int
 main ()
 {
-#if HAVE_STDBOOL_H || defined __GNUC__ /* See above.  */
+  int error = 0;
+
+#if HAVE_STDBOOL_H || 3 <= __GNUC__ /* See above.  */
 # ifdef ADDRESS_CHECK_OKAY /* Avoid gcc warning.  */
   /* A cast from a variable's address to bool is valid in expressions.  */
-  bool e1 = &s;
+  {
+    bool e1 = &s;
+    if (!e1)
+      error = 1;
+  }
 # endif
 #endif
 
@@ -102,6 +108,11 @@ main ()
      http://lists.gnu.org/archive/html/bug-coreutils/2005-10/msg00086.html
      This is a runtime test, since a corresponding compile-time
      test would rely on initializer extensions.  */
-  char digs[] = "0123456789";
-  return &(digs + 5)[-2 + (bool) 1] != &digs[4];
+  {
+    char digs[] = "0123456789";
+    if (&(digs + 5)[-2 + (bool) 1] != &digs[4])
+      error = 1;
+  }
+
+  return error;
 }