[Bug 64571] New: msg_len of mq_receive()

[Bug 64571] New: msg_len of mq_receive()

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

https://bugzilla.kernel.org/show_bug.cgi?id=64571

            Bug ID: 64571
           Summary: msg_len of mq_receive()
           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: a0vhv-zqRNUXuvxA0b1SvskN2V4Q@public.gmane.org
        Regression: No

In the DESCRIPTION section of the manpage of "man 3 mq_receive", it says: "The
msg_len argument specifies the size of the buffer pointed to by msg_ptr; this
must be greater than the mq_msgsize attribute of the queue (see
mq_getattr(3))."
Further down, in the ERROR section, it says: "EMSGSIZE    msg_len was less than
the mq_msgsize attribute of the message queue."

I think the description should say "this must be *greater or equal* than the
mq_msgsize attribute", because currently it says "this must be *greater* than
the mq_msgsize attribute", but according to the ERROR section it would only be
an error if "msg_len was less than the mq_msgsize attribute".

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[Bug 64571] msg_len of man 3 mq_receive

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

https://bugzilla.kernel.org/show_bug.cgi?id=64571

janh <a0vhv-zqRNUXuvxA0b1SvskN2V4Q@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|msg_len of mq_receive()     |msg_len of man 3 mq_receive

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[Bug 64571] msg_len of man 3 mq_receive

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

https://bugzilla.kernel.org/show_bug.cgi?id=64571

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
         Resolution|---                         |CODE_FIX

--- Comment #1 from Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Yes, of course that's correct. I've applied a patch to add "or equal to".

Thanks for the report.

Cheers,

Michael

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