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Re: [Qemu-devel] [PATCH 1/4] strtosz(): use unsigned char and switch to
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCH 1/4] strtosz(): use unsigned char and switch to qemu_isspace() |
Date: |
Mon, 24 Jan 2011 17:40:56 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) |
Jes Sorensen <address@hidden> writes:
> On 01/24/11 17:10, Markus Armbruster wrote:
>> address@hidden writes:
>>
>>> From: Jes Sorensen <address@hidden>
>>>
>>> isspace() behavior is undefined for signed char.
>>>
>>> Bug pointed out by Eric Blake, thanks!
>>>
>>> Signed-off-by: Jes Sorensen <address@hidden>
>>> ---
>>> cutils.c | 7 ++++---
>>> 1 files changed, 4 insertions(+), 3 deletions(-)
>>>
>>> diff --git a/cutils.c b/cutils.c
>>> index 4d2e27c..a067cf4 100644
>>> --- a/cutils.c
>>> +++ b/cutils.c
>>> @@ -294,7 +294,8 @@ int fcntl_setfl(int fd, int flag)
>>> int64_t strtosz_suffix(const char *nptr, char **end, const char
>>> default_suffix)
>>> {
>>> int64_t retval = -1;
>>> - char *endptr, c, d;
>>> + char *endptr;
>>> + unsigned char c, d;
>>> int mul_required = 0;
>>> double val, mul, integral, fraction;
>>>
>>
>> I doubt this hunk is still needed.
>
> It isn't strictly due to qemu_toupper() but it is prettier to match the
> real behavior of pure toupper() anyway.
Frequent casting between signed and unsigned has been shown to cause
headaches in laboratory rats.
- [Qemu-devel] [PATCH v4 0/4] strtosz() cleanups, Jes . Sorensen, 2011/01/24
- [Qemu-devel] [PATCH 2/4] strtosz() use qemu_toupper() to simplify switch statement, Jes . Sorensen, 2011/01/24
- [Qemu-devel] [PATCH 4/4] strtosz(): Use suffix macros in switch() statement, Jes . Sorensen, 2011/01/24
- Re: [Qemu-devel] [PATCH 4/4] strtosz(): Use suffix macros in switch() statement, Markus Armbruster, 2011/01/24
- Re: [Qemu-devel] [PATCH 4/4] strtosz(): Use suffix macros in switch() statement, Jes Sorensen, 2011/01/24
- Re: [Qemu-devel] [PATCH 4/4] strtosz(): Use suffix macros in switch() statement, Markus Armbruster, 2011/01/24
- Re: [Qemu-devel] [PATCH 4/4] strtosz(): Use suffix macros in switch() statement, Jes Sorensen, 2011/01/24
- Re: [Qemu-devel] [PATCH 4/4] strtosz(): Use suffix macros in switch() statement, Markus Armbruster, 2011/01/24
- Re: [Qemu-devel] [PATCH 4/4] strtosz(): Use suffix macros in switch() statement, Jes Sorensen, 2011/01/25
- Re: [Qemu-devel] [PATCH 4/4] strtosz(): Use suffix macros in switch() statement, Markus Armbruster, 2011/01/25
- Re: [Qemu-devel] [PATCH 4/4] strtosz(): Use suffix macros in switch() statement, Jes Sorensen, 2011/01/25