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authorlberk <lberk>2013-02-26 16:35:59 +0000
committerlberk <lberk>2013-02-26 16:35:59 +0000
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1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>function::user_string_warn</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1"><link rel="home" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="up" href="conversions.stp.html" title="Chapter&#160;24.&#160;String and data retrieving functions Tapset"><link rel="prev" href="API-user-string-quoted.html" title="function::user_string_quoted"><link rel="next" href="API-user-uint16.html" title="function::user_uint16"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>function::user_string_warn</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-user-string-quoted.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;24.&#160;String and data retrieving functions Tapset</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-user-uint16.html">Next</a></td></tr></table><hr></div><div class="refentry" title="function::user_string_warn"><a name="API-user-string-warn"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>function::user_string_warn &#8212; 1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>function::user_string_warn</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1"><link rel="home" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="up" href="conversions.stp.html" title="Chapter&#160;24.&#160;String and data retrieving functions Tapset"><link rel="prev" href="API-user-string-utf32.html" title="function::user_string_utf32"><link rel="next" href="API-user-uint16.html" title="function::user_uint16"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>function::user_string_warn</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-user-string-utf32.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;24.&#160;String and data retrieving functions Tapset</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-user-uint16.html">Next</a></td></tr></table><hr></div><div class="refentry" title="function::user_string_warn"><a name="API-user-string-warn"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>function::user_string_warn &#8212;
2 Retrieves string from user space 2 Retrieves string from user space
3 </p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><pre class="programlisting"> 3 </p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><pre class="programlisting">
4 user_string_warn:string(addr:long) 4 user_string_warn:string(addr:long)
5</pre></div><div class="refsect1" title="Arguments"><a name="id519394"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>addr</code></em></span></dt><dd><p> 5</pre></div><div class="refsect1" title="Arguments"><a name="idp11819040"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>addr</code></em></span></dt><dd><p>
6 the user space address to retrieve the string from 6 the user space address to retrieve the string from
7 </p></dd></dl></div></div><div class="refsect1" title="Description"><a name="id519421"></a><h2>Description</h2><p> 7 </p></dd></dl></div></div><div class="refsect1" title="Description"><a name="idp11822272"></a><h2>Description</h2><p>
8 Returns the null terminated C string from a given user space 8 Returns the null terminated C string from a given user space
9 memory address. Reports <span class="quote">&#8220;<span class="quote">&lt;unknown&gt;</span>&#8221;</span> on the rare cases when userspace 9 memory address. Reports <span class="quote">&#8220;<span class="quote">&lt;unknown&gt;</span>&#8221;</span> on the rare cases when userspace
10 data is not accessible and warns (but does not abort) about the failure. 10 data is not accessible and warns (but does not abort) about the failure.
11</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-user-string-quoted.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="conversions.stp.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-user-uint16.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>function::user_string_quoted</span>&#160;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&#160;<span>function::user_uint16</span></td></tr></table></div></body></html> 11</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-user-string-utf32.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="conversions.stp.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-user-uint16.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>function::user_string_utf32</span>&#160;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&#160;<span>function::user_uint16</span></td></tr></table></div></body></html>