From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/3] md5: Fix gcc-4.7 build problem in md5
Date: Sun, 04 Nov 2012 01:39:22 +0100 [thread overview]
Message-ID: <20121104003923.08BAE200056@gemini.denx.de> (raw)
In-Reply-To: <20121104003242.92729200056@gemini.denx.de>
Dear Simon,
In message <20121104003242.92729200056@gemini.denx.de> I wrote:
>
> > /* Append length in bits and transform */
> > - ctx->in32[14] = ctx->bits[0];
> > - ctx->in32[15] = ctx->bits[1];
> > + memcpy(ctx->in + 14 * sizeof(__u32), ctx->bits, 2 * sizeof(__u32));
>
> This makes the code actually unreadable. Please add at least a
> comment what this is doing.
Actually I think this shoul dbe split into two memcpy commands, using
the addresses of the respective array elements directly, without such
manual pointer arithmetics.
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
"The number of Unix installations has grown to 10, with more
expected." - The Unix Programmer's Manual, 2nd Edition, June, 1972
next prev parent reply other threads:[~2012-11-04 0:39 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-03 21:45 [U-Boot] [PATCH 1/3] lzma: update to lzma sdk 9.20 Simon Glass
2012-11-03 21:45 ` [U-Boot] [PATCH 2/3] md5: Fix gcc-4.7 build problem in md5 Simon Glass
2012-11-04 0:32 ` Wolfgang Denk
2012-11-04 0:39 ` Wolfgang Denk [this message]
2012-11-05 20:03 ` Pavel Machek
2012-11-05 20:50 ` Wolfgang Denk
2012-11-05 21:15 ` Han Shen(沈涵)
2012-11-05 22:51 ` Pavel Machek
2012-11-06 0:56 ` Marek Vasut
2012-11-06 11:07 ` Pavel Machek
2012-11-06 22:30 ` Marek Vasut
2012-11-07 22:18 ` Simon Glass
2012-11-03 21:45 ` [U-Boot] [PATCH 3/3] Add stricmp() and strnicmp() Simon Glass
2012-11-04 0:31 ` Wolfgang Denk
2012-11-04 4:38 ` Simon Glass
2012-11-04 22:47 ` Albert ARIBAUD
2012-11-07 22:00 ` Simon Glass
2012-11-22 2:51 ` Simon Glass
2012-12-07 15:49 ` [U-Boot] [U-Boot,1/3] lzma: update to lzma sdk 9.20 Tom Rini
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