Wireshark mailing list archives

Re: [Wireshark-commits] master e16500e: Fix check for NUL at the end of a string.


From: Evan Huus <eapache () gmail com>
Date: Tue, 12 May 2015 18:13:35 -0400

Argh, one of these days I will learn to just put parentheses in rather
than taking guesses at C operator precedence :(

On Tue, May 12, 2015 at 6:10 PM, Wireshark code review
<code-review-do-not-reply () wireshark org> wrote:
URL: https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=e16500e80f85641b28971498c3fc580eab800055
Submitter: Guy Harris (guy () alum mit edu)
Changed: branch: master
Repository: wireshark

Commits:

e16500e by Guy Harris (guy () alum mit edu):

    Fix check for NUL at the end of a string.

    *seq[slength - 1] means *(seq[slength - 1]), where seq points to a
    "const gchar *", so it fetches the pointer at an offset of slength - 1
    from the pointer to which seq points, and dereferences that pointer.
    What's wanted is (*seq)[slength - 1], i.e. fetch the pointer to which
    seq points, and fetch the byte at an offset of slength - 1 from the byte
    to which said pointer points.

    Change-Id: I7246f5e6093d035bad59be530893f3fc54dad97e
    Reviewed-on: https://code.wireshark.org/review/8441
    Reviewed-by: Guy Harris <guy () alum mit edu>


Actions performed:

    from  99ca421   Qt: Display filter completion fixes.
    adds  e16500e   Fix check for NUL at the end of a string.


Summary of changes:
 epan/dissectors/packet-giop.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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