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<html><head><!-- $id: RELEASE.html,v 1.16 2000/11/14 20:10:56 gray Exp $ --><title> Dmalloc Release Notes - 5.4.2 </title></head><body><h1> Debug Malloc (Dmalloc) Library Release Notes </h1><h4>Version: Release 5.4.2 <br /><!-- fix the TITLE ^^^above^^^ too -->Last-Version: <a href="dmalloc-5.4.1.html">5.4.1</a> <br />Date: October 19, 2004</h4><p><a href="#overview">Overview</a> <a href="#func">New Functionality</a> <a href="#dmalloc">Dmalloc Utility</a> <a href="#tokens">Debug Tokens</a> <a href="#settings.dist">settings.dist</a> <a href="#install">Installation</a> <a href="#programming">Programming</a> <a href="#env">Environmental Variables</a> <a href="#bugs">Bugs Fixed</a></p><!--========================================================================--><h3><a name="overview"> Overview </a></h3><p> Bug fix release to repair a number of problems and issuesregarding the free-blank and alloc-blank tokens. See the bugs sectionfor more information. </p><!--========================================================================--><h3><a name="func"> New Functionality </a></h3><blockquote>None.</blockquote><!--========================================================================--><h3><a name="dmalloc"> Dmalloc Utility Changes </a></h3><blockquote>None.</blockquote><!--========================================================================--><h3><a name="tokens"> Changes in the Debug Tokens </a></h3><ul><li> Just to make clear, when a pointer is allocated (or reallocated)with the 'alloc-blank' or 'check-blank' tokens enabled, the libraryclears various parts of the allocation block with the allocation-blankcharacter (ALLOC_BLANK_CHAR in settings.h). When a pointer is freed,the library clears all of the space with the free-blank character(FREE_BLANK_CHAR in settings.h). </li></ul><!--========================================================================--><h3><a name="settings.dist"> Changes to the settings.dist File </a></h3><blockquote>None.</blockquote><!--========================================================================--><h3><a name="install"> Installation Changes </a></h3><blockquote>None.</blockquote><!--========================================================================--><h3><a name="programming"> Programming Notes </a></h3><blockquote>None.</blockquote><!--========================================================================--><h3><a name="env"> Environmental Variable Changes </a></h3><blockquote>None.</blockquote><!--========================================================================--><h3><a name="bugs"> Bugs Fixed </a></h3><ul><li> The library was was clearing the user spaces of an allocatedchunk with the alloc-blank character and the non-user spaces with thefree-blank character. This seemed confusing and wrong so now allsections of an allocated chunk are cleared with the alloc-blankcharacter. </li><li> Fixed a couple of longer standing stupid bugs. Basically thelibrary was doing some pointer arithmetic assuming that the fence-postsettings were enabled. I'm surprised this worked on anyarchitectures. Thanks to Philippe for the feedback. </li></ul><p><font size="-1"><a href="http://dmalloc.com/">Dmalloc Home Page</a>.Copyright 2004 <a href="http://256.com/gray/">Gray Watson</a>.</font></p><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /></body></html>⌨️ 快捷键说明
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