FYI, just pushed to master:
>From f8d27e413ac9c92061a27c7c488426d913a249c1 Mon Sep 17 00:00:00 2001
From: Jim Meyering <[email protected]>
Date: Sun, 8 Feb 2009 10:53:01 +0100
Subject: [PATCH] compile warning-free also with upcoming gcc-4.4
* libparted/fs/fat/fat.c (_gen_new_serial_number): Use a union
rather than a warning-provoking cast. Avoids this gcc warning:
"dereferencing type-punned pointer will break strict-aliasing rules"
---
libparted/fs/fat/fat.c | 13 ++++++++-----
1 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/libparted/fs/fat/fat.c b/libparted/fs/fat/fat.c
index c5fe967..242162f 100644
--- a/libparted/fs/fat/fat.c
+++ b/libparted/fs/fat/fat.c
@@ -1,6 +1,6 @@
/*
libparted
- Copyright (C) 1998, 1999, 2000, 2001, 2007 Free Software Foundation, Inc.
+ Copyright (C) 1998-2001, 2007-2009 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
@@ -265,12 +265,15 @@ fat_root_dir_clear (PedFileSystem* fs)
* with /dev/random) number. Unfortunately, we can only use 4 bytes of it
*/
static uint32_t
-_gen_new_serial_number ()
+_gen_new_serial_number (void)
{
- uuid_t uuid;
+ union {
+ uuid_t uuid;
+ uint32_t i;
+ } uu32;
- uuid_generate (uuid);
- return * (uint32_t*) &uuid [0];
+ uuid_generate (uu32.uuid);
+ return uu32.i;
}
PedFileSystem*
--
1.6.1.2.549.g547ef
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