* lib/stdbool_.h: Mention that bool bit-fields aren't supported.

diff --git a/ChangeLog b/ChangeLog
index 0d78b98..5860a09 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2007-02-04  Paul Eggert  <eggert@cs.ucla.edu>
 
+       * lib/stdbool_.h: Mention that bool bit-fields aren't supported.
+
        * modules/stdarg (configure.ac-early): Require AC_PROG_CC_STDC.
 
 2007-02-04  Bruno Haible  <bruno@clisp.org>

diff --git a/lib/stdbool_.h b/lib/stdbool_.h
index efa80ba..8525f0f 100644 (file)
--- a/lib/stdbool_.h
+++ b/lib/stdbool_.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2002, 2003, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2002, 2003, 2006, 2007 Free Software Foundation, Inc.
    Written by Bruno Haible <haible@clisp.cons.org>, 2001.
 
    This program is free software; you can redistribute it and/or modify
@@ -41,6 +41,9 @@
 
        - You cannot assume that _Bool is a typedef; it might be a macro.
 
+       - Bit-fields of type 'bool' are not supported.  Portable code
+         should use 'unsigned int foo : 1;' rather than 'bool foo : 1;'.
+
        - In C99, casts and automatic conversions to '_Bool' or 'bool' are
          performed in such a way that every nonzero value gets converted
          to 'true', and zero gets converted to 'false'.  This doesn't work