(unknown),

(unknown),

[Bob Eggers]

I noticed an error in and example on the man page for strncpy(). The page is http://www.kernel.org/doc/man-pages/online/pages/man3/strncpy.3.html

The error is in the section, "NOTES", specifically in the code example after the text:

      If there is no terminating null byte in the first n characters of src,
       strncpy() produces an unterminated string in dest.  Programmers often prevent
       this mistake by forcing termination as follows:

           strncpy(buf, str, n);
           if (n > 0)
               buf[n - 1]= '\0';

Substituting 1 for n and "123" for str, this would equate to:

           strncpy(buf, "123", 1);  // buf is now "1"
           if (1 > 0)
               buf[1 - 1]= '\0';                // buf is now ""

Bob Eggers--
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Re:

[bill o gallmeister]

I believe that's the correct result for a NULL-terminated string of length 1.

- bog

On 06/21/2010 01:30 PM, Bob Eggers wrote:
> I noticed an error in and example on the man page for strncpy(). The page is http://www.kernel.org/doc/man-pages/online/pages/man3/strncpy.3.html
> 
> The error is in the section, "NOTES", specifically in the code example after the text:
> 
>       If there is no terminating null byte in the first n characters of src,
>        strncpy() produces an unterminated string in dest.  Programmers often prevent
>        this mistake by forcing termination as follows:
> 
>            strncpy(buf, str, n);
>            if (n > 0)
>                buf[n - 1]= '\0';
> 
> Substituting 1 for n and "123" for str, this would equate to:
> 
>            strncpy(buf, "123", 1);  // buf is now "1"
>            if (1 > 0)
>                buf[1 - 1]= '\0';                // buf is now ""
> 
> Bob Eggers--
> To unsubscribe from this list: send the line "unsubscribe linux-man" in
> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
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> 


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Re:

[Michael Kerrisk]

On Mon, Jun 21, 2010 at 11:05 PM, bill o gallmeister
<bgallmeister-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> I believe that's the correct result for a NULL-terminated string of length 1.

And I agree.

Thanks,

Michael


> On 06/21/2010 01:30 PM, Bob Eggers wrote:
>> I noticed an error in and example on the man page for strncpy(). The page is http://www.kernel.org/doc/man-pages/online/pages/man3/strncpy.3.html
>>
>> The error is in the section, "NOTES", specifically in the code example after the text:
>>
>>       If there is no terminating null byte in the first n characters of src,
>>        strncpy() produces an unterminated string in dest.  Programmers often prevent
>>        this mistake by forcing termination as follows:
>>
>>            strncpy(buf, str, n);
>>            if (n > 0)
>>                buf[n - 1]= '\0';
>>
>> Substituting 1 for n and "123" for str, this would equate to:
>>
>>            strncpy(buf, "123", 1);  // buf is now "1"
>>            if (1 > 0)
>>                buf[1 - 1]= '\0';                // buf is now ""
>>
>> Bob Eggers--
>> To unsubscribe from this list: send the line "unsubscribe linux-man" in
>> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>
>
>
> --
> Bill O. Gallmeister
> bgallmeister-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
> http://geekwhisperer.blogspot.com
>



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Author of "The Linux Programming Interface" http://blog.man7.org/
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Re:

[Helge Kreutzmann]

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Helo Alex,
On Sun, Jan 22, 2023 at 10:42:54PM +0100, Alejandro Colomar wrote:
> Hi Helge,
> 
> On 1/22/23 20:31, Helge Kreutzmann wrote:
> > Without further ado, the following was found:
> 
> Empty report.  An accident? :)

I tried to figure out what happend - but I don't know.

Sorry for the empty report, please disregard.

Greetings

         Helge

-- 
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           Dipl.-Phys.                   http://www.helgefjell.de/debian.php
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           Help keep free software "libre": http://www.ffii.de/

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Re:

[Alejandro Colomar]

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Hi Helge,

On 1/22/23 20:31, Helge Kreutzmann wrote:
> Without further ado, the following was found:

Empty report.  An accident? :)

Cheers,

Alex
> 

-- 
<http://www.alejandro-colomar.es/>

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Re:

[Alejandro Colomar (man-pages)]

Hi Walter,

On 5/19/21 11:08 PM, Radisson97@gmx.de wrote:
>  From 765db7b7714514780b4e613c6d09d2ff454b1ef8 Mon Sep 17 00:00:00 2001
> From: Harms <wharms@bfs.de>
> Date: Wed, 19 May 2021 22:25:08 +0200
> Subject: [PATCH] gamma.3:Add reentrant functions gamma_r
> 
> Add three variants of gamma_r and explain
> the use of the second argument sig
> 
> Signed-off-by: Harms <wharms@bfs.de>

I just read the manual page about gamma, and those functions/macros are 
deprecated (use either lgamma or tgamma instead).  As far as I can read, 
those alternative functions have all the functionality one can need, so 
I guess there's zero reasons to use gamma at all, which is a misleading 
alias for lgamma.  I think I won't patch that page at all.

The glibc source code itself has a comment saying that gamma macros are 
obsolete:

[
#if defined __USE_MISC || (defined __USE_XOPEN && !defined  __USE_XOPEN2K)
# if !__MATH_DECLARING_FLOATN
/* Obsolete alias for `lgamma'.  */
__MATHCALL (gamma,, (_Mdouble_));
# endif
#endif
]

Thanks,

Alex


-- 
Alejandro Colomar
Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/
Senior SW Engineer; http://www.alejandro-colomar.es/

Re:

[Michael Kerrisk (man-pages)]

Hello

On Fri, 27 Sep 2019 at 08:26, nilsocket <nilsocket@gmail.com> wrote:
>
> In http://man7.org/linux/man-pages/man2/epoll_pwait.2.html#NOTES ,
> through out this section `epoll_wait()` is used. but only once
> `epoll_pwait()` is used, I think it's a typo mistake.
>
> Current:
> While one thread is blocked in a call to epoll_pwait()
>
> Expected Change:
> While one thread is blocked in a call to epoll_wait()

Thanks. Fixed!

Cheers,

Michael


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
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Re:

[Amos Kalonzo]

Attn:

I am wondering why You haven't respond to my email for some days now.
reference to my client's contract balance payment of (11.7M,USD)
Kindly get back to me for more details.

Best Regards

Amos Kalonzo
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Re:

[Tammy]

Hello,

I am Maj Gen. Tammy Smith. I would like to discuss with you privately. Contact me via my personal email below for further information.

Maj Gen. Tammy Smith
MajGenTammySm-1ViLX0X+lBJBDgjK7y7TUQ@public.gmane.org
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RE:

[Qin's Yanjun]

How are you today and your family? I require your attention and honest
co-operation about some issues which i will really want to discuss with you
which.  Looking forward to read from you soon.  

Qin's


______________________________

Sky Silk, http://aknet.kz

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