[Bug 104221] New: strxfrm: not equivalent to strncpy

[Bug 104221] New: strxfrm: not equivalent to strncpy

[bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r]

https://bugzilla.kernel.org/show_bug.cgi?id=104221

            Bug ID: 104221
           Summary: strxfrm: not equivalent to strncpy
           Product: Documentation
           Version: unspecified
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: man-pages
          Assignee: documentation_man-pages-ztI5WcYan/vQLgFONoPN62D2FQJk+8+b@public.gmane.org
          Reporter: fweimer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
        Regression: No

Version 3.81 says this:

“In the POSIX or C locales strxfrm() is equivalent to copying the string with
strncpy(3).”

This is a bit misleading because the behavior on truncation is unspecified for
strxfrm.

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[Bug 104221] strxfrm: not equivalent to strncpy

[bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r]

https://bugzilla.kernel.org/show_bug.cgi?id=104221

Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org

--- Comment #1 from Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
What do you suggest Florian. Maybe just remove that NOTES section?

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[Bug 104221] strxfrm: not equivalent to strncpy

[bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r]

https://bugzilla.kernel.org/show_bug.cgi?id=104221

--- Comment #2 from Florian Weimer <fweimer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> ---
Yes, seems reasonable.

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[Bug 104221] strxfrm: not equivalent to strncpy

[bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r]

https://bugzilla.kernel.org/show_bug.cgi?id=104221

--- Comment #3 from Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Okay, I removed the NOTES section.

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[Bug 104221] strxfrm: not equivalent to strncpy

[bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r]

https://bugzilla.kernel.org/show_bug.cgi?id=104221

Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |CODE_FIX

--- Comment #4 from Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
I should have closed this after the fix I made in Comment 3.

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