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view src/hermes/README @ 4137:be12463f31ea SDL-1.2
Date: Sat, 2 Feb 2008 22:08:05 +0100
From: Marcus von Appen
To: sdl@lists.libsdl.org
Subject: [SDL] [Patch] SDL-1.2 SDL_revcpy() asm patch for the cld flag
Hi,
as reported through the FreeBSD bug tracking system in SDL 1.2.13 (and
in the 1.2 branch, if I see that correctly) the SDL_revcpy() macro sets
the direction flag (std), but does not clear it afterwards (cld), which
is wrong according to the GCC and SYS V specs. This can cause some
weird side effects, which in turn can lead to memory corruption.
You can read the full report with a detailed description and test
program at http://www.freebsd.org/cgi/query-pr.cgi?pr=ports/120052
Attached is the submitted patch, which fixes the issue.
Regards
Marcus
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Mon, 04 Feb 2008 17:22:56 +0000 |
parents | 74212992fb08 |
children |
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HERMES 1.2.4 (c)1998 Christian Nentwich (brn) (c.nentwich@cs.ucl.ac.uk) and quite a few assembler routines (c) Glenn Fielder (gaffer@gaffer.org) This library and all the files enclosed in this package are free software under the terms of the GNU Library General Public License (LGPL). Please refer to the included file COPYING.LIB for the exact terms. ---------------------------------------------------------------------------- This is a stripped down version of HERMES, including only the x86 assembler converters, for use with Simple DirectMedia Layer. The full HERMES library is available at: http://hermes.terminal.at/