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From: Hui Zhu <teawater@gmail.com>
Date: Sun, 30 Aug 2009 23:53:00 -0000
Message-ID: <daef60380908301643k1463ee38vc300700543a1e2a0@mail.gmail.com>
Subject: Re: [PATCH] Fix cygwin build error with i386-linux-tdep.c
To: Jiang Jilin <freephp@gmail.com>
Cc: gdb-patches ml <gdb-patches@sourceware.org>, Michael Snyder <msnyder@vmware.com>
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On Mon, Aug 31, 2009 at 07:39, Jiang Jilin<freephp@gmail.com> wrote:
> On Sun, Aug 30, 2009 at 11:22 PM, Hui Zhu<teawater@gmail.com> wrote:
>> On Sun, Aug 30, 2009 at 23:13, Jiang Jilin<freephp@gmail.com> wrote:
>>> On Sun, Aug 30, 2009 at 9:15 PM, Hui Zhu<teawater@gmail.com> wrote:
>>>> Hi guys,
>>>>
>>>> =A0 if (tmpu32 > 499)
>>>> =A0 =A0 {
>>>> =A0 =A0 =A0 printf_unfiltered (_("Process record and replay target doe=
sn't "
>>>> - =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 "support syscall=
 number %u\n"), tmpu32);
>>>> + =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 "support syscall=
 number %u\n"), (unsigned) tmpu32);
>>>> =A0 =A0 =A0 return -1;
>>>> =A0 =A0 }
>>>>
>>>
>>> Sorry, it's not clear to me.
>>>
>>> when looking into the code, I found the type of tmpu32 is uint32_t,
>>> why did the gcc complain "warning: unsigned int format, uint32_t arg
>>> (arg 2)"?
>>>
>>> %u doesn't mean unsigned int?
>>>
>>
>> Really? =A0what does it mean?
>
> I mean without your patch, the type of tmpu32 _is_ uint32_t, why did
> gcc complain? and when you cast it to unsigned, the warning
> disappeared?
>

I am not sure the unit32_t in cygwin.  But it looks like uint32_t is
not unsigned int in cygwin.
And "unsigned" is seems "unsigned int".

Thanks,
Hui