[U-Boot] fat.c:707: warning: array subscript is above array bounds
Wolfgang Denk
wd at denx.de
Sat Dec 13 23:48:23 CET 2008
Dear Jean-Christophe PLAGNIOL-VILLARD,
In message <20081213222225.GN15295 at game.jcrosoft.org> you wrote:
>
> > 705 /* Terminate fs_type string. Writing past the end of vistart
> > 706 is ok - it's just the buffer. */
> > 707 vistart->fs_type[8] = '\0';
>
> why not do something like this
>
> *(vistart + sizeof(volume_info)) = '\0';
Because that would be terribly wrong - sizeof(volume_info) is > 23
(probably 24), and vistart is a pointer volume_info, so you would
probably write some 500+ bytes beyond the end of the buffer.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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