renameat2 doesn't have a no-glibc-wrapper note

renameat2 doesn't have a no-glibc-wrapper note

[Georg Sauthoff]

Hello,

the renameat2(2) man page [1] currently doesn't mention that you have to use
sycall() to access it. Tested it with glibc-2.24-4.fc25.x86_64.

Can you add notes similar to what e.g. kcmp(2) [2] has?

I mean:

> Note: There is no glibc wrapper for this system call; see NOTES.
> [..]
> NOTES
> 
>        Glibc does not provide a wrapper for this system call; call it using
>        syscall(2).


Best regards
Georg

[1]: http://man7.org/linux/man-pages/man2/renameat2.2.html
[2]: http://man7.org/linux/man-pages/man2/kcmp.2.html
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Re: renameat2 doesn't have a no-glibc-wrapper note

[Michael Kerrisk (man-pages)]

Hello Georg.

On 03/13/2017 12:09 AM, Georg Sauthoff wrote:
> Hello,
> 
> the renameat2(2) man page [1] currently doesn't mention that you have to use
> sycall() to access it. Tested it with glibc-2.24-4.fc25.x86_64.
> 
> Can you add notes similar to what e.g. kcmp(2) [2] has?

Thanks for reporting this. I've added some text to the rename(2)
page to note the requirement to use syscall(2).

Cheers,

Michael


> I mean:
> 
>> Note: There is no glibc wrapper for this system call; see NOTES.
>> [..]
>> NOTES
>>
>>        Glibc does not provide a wrapper for this system call; call it using
>>        syscall(2).
> 
> 
> Best regards
> Georg
> 
> [1]: http://man7.org/linux/man-pages/man2/renameat2.2.html
> [2]: http://man7.org/linux/man-pages/man2/kcmp.2.html
> 


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Michael Kerrisk
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Linux/UNIX System Programming Training: http://man7.org/training/
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