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<li class="navelem"><a class="el" href="namespacecrashpad.html">crashpad</a></li><li class="navelem"><a class="el" href="classcrashpad_1_1ProcessMemory.html">ProcessMemory</a></li> </ul>
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<div class="header">
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<div class="summary">
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="classcrashpad_1_1ProcessMemory-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">crashpad::ProcessMemory Class Reference</div> </div>
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</div><!--header-->
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<div class="contents">
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<p>Accesses the memory of another process.
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<a href="classcrashpad_1_1ProcessMemory.html#details">More...</a></p>
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<p><code>#include "util/linux/process_memory.h"</code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:ae11b51dd187b650bf910483f0f19f634"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1ProcessMemory.html#ae11b51dd187b650bf910483f0f19f634">Initialize</a> (pid_t pid)</td></tr>
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<tr class="memdesc:ae11b51dd187b650bf910483f0f19f634"><td class="mdescLeft"> </td><td class="mdescRight">Initializes this object to read the memory of a process whose ID is <em>pid</em>. <a href="#ae11b51dd187b650bf910483f0f19f634">More...</a><br /></td></tr>
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<tr class="separator:ae11b51dd187b650bf910483f0f19f634"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9b7aad5723e72d3c6dde05b3fda44427"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1ProcessMemory.html#a9b7aad5723e72d3c6dde05b3fda44427">Read</a> (<a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> address, size_t size, void *buffer) const</td></tr>
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<tr class="memdesc:a9b7aad5723e72d3c6dde05b3fda44427"><td class="mdescLeft"> </td><td class="mdescRight">Copies memory from the target process into a caller-provided buffer in the current process. <a href="#a9b7aad5723e72d3c6dde05b3fda44427">More...</a><br /></td></tr>
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<tr class="separator:a9b7aad5723e72d3c6dde05b3fda44427"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab1797e5a365cdfa1a47c453607432cf5"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1ProcessMemory.html#ab1797e5a365cdfa1a47c453607432cf5">ReadCString</a> (<a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> address, std::string *string) const</td></tr>
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<tr class="memdesc:ab1797e5a365cdfa1a47c453607432cf5"><td class="mdescLeft"> </td><td class="mdescRight">Reads a <code>NUL</code>-terminated C string from the target process into a string in the current process. <a href="#ab1797e5a365cdfa1a47c453607432cf5">More...</a><br /></td></tr>
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<tr class="separator:ab1797e5a365cdfa1a47c453607432cf5"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:adca21fbca39f22e04ec6ce6b7cc82281"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1ProcessMemory.html#adca21fbca39f22e04ec6ce6b7cc82281">ReadCStringSizeLimited</a> (<a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> address, size_t size, std::string *string) const</td></tr>
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<tr class="memdesc:adca21fbca39f22e04ec6ce6b7cc82281"><td class="mdescLeft"> </td><td class="mdescRight">Reads a <code>NUL</code>-terminated C string from the target process into a string in the current process. <a href="#adca21fbca39f22e04ec6ce6b7cc82281">More...</a><br /></td></tr>
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<tr class="separator:adca21fbca39f22e04ec6ce6b7cc82281"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Accesses the memory of another process. </p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<a id="ae11b51dd187b650bf910483f0f19f634"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ae11b51dd187b650bf910483f0f19f634">◆ </a></span>Initialize()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">bool crashpad::ProcessMemory::Initialize </td>
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<td>(</td>
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<td class="paramtype">pid_t </td>
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<td class="paramname"><em>pid</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Initializes this object to read the memory of a process whose ID is <em>pid</em>. </p>
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<p>This method must be called successfully prior to calling any other method in this class.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in]</td><td class="paramname">pid</td><td>The process ID of a target process.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> on success, <code>false</code> on failure with a message logged. </dd></dl>
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</div>
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</div>
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<a id="a9b7aad5723e72d3c6dde05b3fda44427"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a9b7aad5723e72d3c6dde05b3fda44427">◆ </a></span>Read()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">bool crashpad::ProcessMemory::Read </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> </td>
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<td class="paramname"><em>address</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">size_t </td>
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<td class="paramname"><em>size</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>buffer</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td> const</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Copies memory from the target process into a caller-provided buffer in the current process. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in]</td><td class="paramname">address</td><td>The address, in the target process' address space, of the memory region to copy. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">size</td><td>The size, in bytes, of the memory region to copy. <em>buffer</em> must be at least this size. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">buffer</td><td>The buffer into which the contents of the other process' memory will be copied.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> on success, with <em>buffer</em> filled appropriately. <code>false</code> on failure, with a message logged. </dd></dl>
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</div>
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</div>
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<a id="ab1797e5a365cdfa1a47c453607432cf5"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ab1797e5a365cdfa1a47c453607432cf5">◆ </a></span>ReadCString()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">bool crashpad::ProcessMemory::ReadCString </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> </td>
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<td class="paramname"><em>address</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">std::string * </td>
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<td class="paramname"><em>string</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td> const</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Reads a <code>NUL</code>-terminated C string from the target process into a string in the current process. </p>
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<p>The length of the string need not be known ahead of time. This method will read contiguous memory until a <code>NUL</code> terminator is found.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in]</td><td class="paramname">address</td><td>The address, in the target process’s address space, of the string to copy. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">string</td><td>The string read from the other process.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> on success, with <em>string</em> set appropriately. <code>false</code> on failure, with a message logged. Failures can occur, for example, when encountering unmapped or unreadable pages. </dd></dl>
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</div>
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</div>
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<a id="adca21fbca39f22e04ec6ce6b7cc82281"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#adca21fbca39f22e04ec6ce6b7cc82281">◆ </a></span>ReadCStringSizeLimited()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">bool crashpad::ProcessMemory::ReadCStringSizeLimited </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> </td>
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<td class="paramname"><em>address</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">size_t </td>
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<td class="paramname"><em>size</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">std::string * </td>
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<td class="paramname"><em>string</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td> const</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Reads a <code>NUL</code>-terminated C string from the target process into a string in the current process. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in]</td><td class="paramname">address</td><td>The address, in the target process’s address space, of the string to copy. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">size</td><td>The maximum number of bytes to read. The string is required to be <code>NUL</code>-terminated within this many bytes. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">string</td><td>The string read from the other process.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> on success, with <em>string</em> set appropriately. <code>false</code> on failure, with a message logged. Failures can occur, for example, when a <code>NUL</code> terminator is not found within <em>size</em> bytes, or when encountering unmapped or unreadable pages. </dd></dl>
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</div>
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</div>
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<hr/>The documentation for this class was generated from the following files:<ul>
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<li>util/linux/process_memory.h</li>
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<li>util/linux/process_memory.cc</li>
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</ul>
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