<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.14"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>Crashpad: crashpad::FileWriter Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> <link href="crashpad_doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">Crashpad </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.14 --> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ var searchBox = new SearchBox("searchBox", "search",false,'Search'); /* @license-end */ </script> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(function() { initMenu('',true,false,'search.php','Search'); $(document).ready(function() { init_search(); }); }); /* @license-end */</script> <div id="main-nav"></div> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="namespacecrashpad.html">crashpad</a></li><li class="navelem"><a class="el" href="classcrashpad_1_1FileWriter.html">FileWriter</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> | <a href="classcrashpad_1_1FileWriter-members.html">List of all members</a> </div> <div class="headertitle"> <div class="title">crashpad::FileWriter Class Reference</div> </div> </div><!--header--> <div class="contents"> <p>A file writer implementation that wraps traditional system file operations on files accessed through the filesystem. <a href="classcrashpad_1_1FileWriter.html#details">More...</a></p> <p><code>#include "util/file/file_writer.h"</code></p> <div class="dynheader"> Inheritance diagram for crashpad::FileWriter:</div> <div class="dyncontent"> <div class="center"> <img src="classcrashpad_1_1FileWriter.png" usemap="#crashpad::FileWriter_map" alt=""/> <map id="crashpad::FileWriter_map" name="crashpad::FileWriter_map"> <area href="classcrashpad_1_1FileWriterInterface.html" title="An interface to write to files and other file-like objects with semantics matching the underlying pla..." alt="crashpad::FileWriterInterface" shape="rect" coords="0,56,182,80"/> <area href="classcrashpad_1_1FileSeekerInterface.html" title="An interface to seek in files and other file-like objects with semantics matching the underlying plat..." alt="crashpad::FileSeekerInterface" shape="rect" coords="0,0,182,24"/> </map> </div></div> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr class="memitem:a6339ccd8d717911090ae0981bbbe2823"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileWriter.html#a6339ccd8d717911090ae0981bbbe2823">Open</a> (const base::FilePath &path, <a class="el" href="namespacecrashpad.html#afa69b0967d9a6df659ff5d2a02ff3e51">FileWriteMode</a> write_mode, <a class="el" href="namespacecrashpad.html#a034ccc90eb0d1f587ee89275d822175d">FilePermissions</a> permissions)</td></tr> <tr class="memdesc:a6339ccd8d717911090ae0981bbbe2823"><td class="mdescLeft"> </td><td class="mdescRight">Wraps <a class="el" href="namespacecrashpad.html#a62fc6876cc0c660f0ea8bd1dd0a07e82" title="Wraps OpenFileForWrite(), logging an error if the operation fails. ">LoggingOpenFileForWrite()</a>. <a href="#a6339ccd8d717911090ae0981bbbe2823">More...</a><br /></td></tr> <tr class="separator:a6339ccd8d717911090ae0981bbbe2823"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ab469a8fea3e50378b4125c049911b355"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileWriter.html#ab469a8fea3e50378b4125c049911b355">Close</a> ()</td></tr> <tr class="memdesc:ab469a8fea3e50378b4125c049911b355"><td class="mdescLeft"> </td><td class="mdescRight">Wraps CheckedCloseHandle(). <a href="#ab469a8fea3e50378b4125c049911b355">More...</a><br /></td></tr> <tr class="separator:ab469a8fea3e50378b4125c049911b355"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a88df535e600f9c9b57a44130de1d0eb0"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileWriter.html#a88df535e600f9c9b57a44130de1d0eb0">Write</a> (const void *data, size_t size) override</td></tr> <tr class="memdesc:a88df535e600f9c9b57a44130de1d0eb0"><td class="mdescLeft"> </td><td class="mdescRight">Wraps <a class="el" href="namespacecrashpad.html#a8a91af9c690d2a280c463596bf82070b" title="Wraps WriteFile(), ensuring that exactly size bytes are written. ">LoggingWriteFile()</a>, or provides an implementation with identical semantics. <a href="#a88df535e600f9c9b57a44130de1d0eb0">More...</a><br /></td></tr> <tr class="separator:a88df535e600f9c9b57a44130de1d0eb0"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a841442d50f6edaacdfeafe859c42a876"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileWriter.html#a841442d50f6edaacdfeafe859c42a876">WriteIoVec</a> (std::vector< <a class="el" href="structcrashpad_1_1WritableIoVec.html">WritableIoVec</a> > *iovecs) override</td></tr> <tr class="memdesc:a841442d50f6edaacdfeafe859c42a876"><td class="mdescLeft"> </td><td class="mdescRight">Wraps <code>writev()</code> on POSIX or provides an alternate implementation with identical semantics. This method will write entire buffers, continuing after a short write or after being interrupted. On non-POSIX this is a simple wrapper around <a class="el" href="classcrashpad_1_1FileWriter.html#a88df535e600f9c9b57a44130de1d0eb0" title="Wraps LoggingWriteFile(), or provides an implementation with identical semantics. ...">Write()</a>. <a href="#a841442d50f6edaacdfeafe859c42a876">More...</a><br /></td></tr> <tr class="separator:a841442d50f6edaacdfeafe859c42a876"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a2dbaf9ac2c3f1802fea09843127d24e2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileWriter.html#a2dbaf9ac2c3f1802fea09843127d24e2">Seek</a> (<a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> offset, int whence) override</td></tr> <tr class="memdesc:a2dbaf9ac2c3f1802fea09843127d24e2"><td class="mdescLeft"> </td><td class="mdescRight">Wraps <a class="el" href="namespacecrashpad.html#a3d6cedc10e24145d4a0c1000c33f8a10" title="Wraps lseek() or SetFilePointerEx(). Logs an error if the operation fails. ">LoggingSeekFile()</a> or provides an alternate implementation with identical semantics. <a href="#a2dbaf9ac2c3f1802fea09843127d24e2">More...</a><br /></td></tr> <tr class="separator:a2dbaf9ac2c3f1802fea09843127d24e2"><td class="memSeparator" colspan="2"> </td></tr> <tr class="inherit_header pub_methods_classcrashpad_1_1FileSeekerInterface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classcrashpad_1_1FileSeekerInterface')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classcrashpad_1_1FileSeekerInterface.html">crashpad::FileSeekerInterface</a></td></tr> <tr class="memitem:a49a884bfb0a61461b0291c975aa15382 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileSeekerInterface.html#a49a884bfb0a61461b0291c975aa15382">SeekGet</a> ()</td></tr> <tr class="memdesc:a49a884bfb0a61461b0291c975aa15382 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="mdescLeft"> </td><td class="mdescRight">Wraps <a class="el" href="classcrashpad_1_1FileSeekerInterface.html#a8d56f7d12dfcce3e4a39ad1524302aa1" title="Wraps LoggingSeekFile() or provides an alternate implementation with identical semantics. ">Seek()</a>, using <code>SEEK_CUR</code> to obtain the file’s current position. <a href="classcrashpad_1_1FileSeekerInterface.html#a49a884bfb0a61461b0291c975aa15382">More...</a><br /></td></tr> <tr class="separator:a49a884bfb0a61461b0291c975aa15382 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:add2e1ee642d94c91ef722911e9aee250 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileSeekerInterface.html#add2e1ee642d94c91ef722911e9aee250">SeekSet</a> (<a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> offset)</td></tr> <tr class="memdesc:add2e1ee642d94c91ef722911e9aee250 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="mdescLeft"> </td><td class="mdescRight">Wraps <a class="el" href="classcrashpad_1_1FileSeekerInterface.html#a8d56f7d12dfcce3e4a39ad1524302aa1" title="Wraps LoggingSeekFile() or provides an alternate implementation with identical semantics. ">Seek()</a>, using <code>SEEK_SET</code>, ensuring that the seek succeeded and the file is positioned as desired. <a href="classcrashpad_1_1FileSeekerInterface.html#add2e1ee642d94c91ef722911e9aee250">More...</a><br /></td></tr> <tr class="separator:add2e1ee642d94c91ef722911e9aee250 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>A file writer implementation that wraps traditional system file operations on files accessed through the filesystem. </p> </div><h2 class="groupheader">Member Function Documentation</h2> <a id="ab469a8fea3e50378b4125c049911b355"></a> <h2 class="memtitle"><span class="permalink"><a href="#ab469a8fea3e50378b4125c049911b355">◆ </a></span>Close()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void crashpad::FileWriter::Close </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Wraps CheckedCloseHandle(). </p> <dl class="section note"><dt>Note</dt><dd>It is only valid to call this method on an object that has had a successful <a class="el" href="classcrashpad_1_1FileWriter.html#a6339ccd8d717911090ae0981bbbe2823" title="Wraps LoggingOpenFileForWrite(). ">Open()</a> that has not yet been matched by a subsequent call to this method. </dd></dl> </div> </div> <a id="a6339ccd8d717911090ae0981bbbe2823"></a> <h2 class="memtitle"><span class="permalink"><a href="#a6339ccd8d717911090ae0981bbbe2823">◆ </a></span>Open()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">bool crashpad::FileWriter::Open </td> <td>(</td> <td class="paramtype">const base::FilePath & </td> <td class="paramname"><em>path</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="namespacecrashpad.html#afa69b0967d9a6df659ff5d2a02ff3e51">FileWriteMode</a> </td> <td class="paramname"><em>write_mode</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="namespacecrashpad.html#a034ccc90eb0d1f587ee89275d822175d">FilePermissions</a> </td> <td class="paramname"><em>permissions</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Wraps <a class="el" href="namespacecrashpad.html#a62fc6876cc0c660f0ea8bd1dd0a07e82" title="Wraps OpenFileForWrite(), logging an error if the operation fails. ">LoggingOpenFileForWrite()</a>. </p> <dl class="section return"><dt>Returns</dt><dd><code>true</code> if the operation succeeded, <code>false</code> if it failed, with an error message logged.</dd></dl> <dl class="section note"><dt>Note</dt><dd>After a successful call, this method cannot be called again until after <a class="el" href="classcrashpad_1_1FileWriter.html#ab469a8fea3e50378b4125c049911b355" title="Wraps CheckedCloseHandle(). ">Close()</a>. </dd></dl> </div> </div> <a id="a2dbaf9ac2c3f1802fea09843127d24e2"></a> <h2 class="memtitle"><span class="permalink"><a href="#a2dbaf9ac2c3f1802fea09843127d24e2">◆ </a></span>Seek()</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> crashpad::FileWriter::Seek </td> <td>(</td> <td class="paramtype"><a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> </td> <td class="paramname"><em>offset</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>whence</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Wraps <a class="el" href="namespacecrashpad.html#a3d6cedc10e24145d4a0c1000c33f8a10" title="Wraps lseek() or SetFilePointerEx(). Logs an error if the operation fails. ">LoggingSeekFile()</a> or provides an alternate implementation with identical semantics. </p> <dl class="section return"><dt>Returns</dt><dd>The return value of <a class="el" href="namespacecrashpad.html#a3d6cedc10e24145d4a0c1000c33f8a10" title="Wraps lseek() or SetFilePointerEx(). Logs an error if the operation fails. ">LoggingSeekFile()</a>. <code>-1</code> on failure, with an error message logged.</dd></dl> <dl class="section note"><dt>Note</dt><dd>It is only valid to call this method between a successful <a class="el" href="classcrashpad_1_1FileWriter.html#a6339ccd8d717911090ae0981bbbe2823" title="Wraps LoggingOpenFileForWrite(). ">Open()</a> and a <a class="el" href="classcrashpad_1_1FileWriter.html#ab469a8fea3e50378b4125c049911b355" title="Wraps CheckedCloseHandle(). ">Close()</a>. </dd></dl> <p>Implements <a class="el" href="classcrashpad_1_1FileSeekerInterface.html#a8d56f7d12dfcce3e4a39ad1524302aa1">crashpad::FileSeekerInterface</a>.</p> </div> </div> <a id="a88df535e600f9c9b57a44130de1d0eb0"></a> <h2 class="memtitle"><span class="permalink"><a href="#a88df535e600f9c9b57a44130de1d0eb0">◆ </a></span>Write()</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">bool crashpad::FileWriter::Write </td> <td>(</td> <td class="paramtype">const void * </td> <td class="paramname"><em>data</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">size_t </td> <td class="paramname"><em>size</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Wraps <a class="el" href="namespacecrashpad.html#a8a91af9c690d2a280c463596bf82070b" title="Wraps WriteFile(), ensuring that exactly size bytes are written. ">LoggingWriteFile()</a>, or provides an implementation with identical semantics. </p> <dl class="section return"><dt>Returns</dt><dd><code>true</code> if the operation succeeded, <code>false</code> if it failed, with an error message logged.</dd></dl> <dl class="section note"><dt>Note</dt><dd>It is only valid to call this method between a successful <a class="el" href="classcrashpad_1_1FileWriter.html#a6339ccd8d717911090ae0981bbbe2823" title="Wraps LoggingOpenFileForWrite(). ">Open()</a> and a <a class="el" href="classcrashpad_1_1FileWriter.html#ab469a8fea3e50378b4125c049911b355" title="Wraps CheckedCloseHandle(). ">Close()</a>. </dd></dl> <p>Implements <a class="el" href="classcrashpad_1_1FileWriterInterface.html#a34e3a6edac09771c7746901b77acc5b1">crashpad::FileWriterInterface</a>.</p> </div> </div> <a id="a841442d50f6edaacdfeafe859c42a876"></a> <h2 class="memtitle"><span class="permalink"><a href="#a841442d50f6edaacdfeafe859c42a876">◆ </a></span>WriteIoVec()</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">bool crashpad::FileWriter::WriteIoVec </td> <td>(</td> <td class="paramtype">std::vector< <a class="el" href="structcrashpad_1_1WritableIoVec.html">WritableIoVec</a> > * </td> <td class="paramname"><em>iovecs</em></td><td>)</td> <td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Wraps <code>writev()</code> on POSIX or provides an alternate implementation with identical semantics. This method will write entire buffers, continuing after a short write or after being interrupted. On non-POSIX this is a simple wrapper around <a class="el" href="classcrashpad_1_1FileWriter.html#a88df535e600f9c9b57a44130de1d0eb0" title="Wraps LoggingWriteFile(), or provides an implementation with identical semantics. ...">Write()</a>. </p> <dl class="section return"><dt>Returns</dt><dd><code>true</code> if the operation succeeded, <code>false</code> if it failed, with an error message logged.</dd></dl> <dl class="section note"><dt>Note</dt><dd>The contents of <em>iovecs</em> are undefined when this method returns.</dd> <dd> It is only valid to call this method between a successful <a class="el" href="classcrashpad_1_1FileWriter.html#a6339ccd8d717911090ae0981bbbe2823" title="Wraps LoggingOpenFileForWrite(). ">Open()</a> and a <a class="el" href="classcrashpad_1_1FileWriter.html#ab469a8fea3e50378b4125c049911b355" title="Wraps CheckedCloseHandle(). ">Close()</a>. </dd></dl> <p>Implements <a class="el" href="classcrashpad_1_1FileWriterInterface.html#a056d01fcfa12a49cff735cf4f63bc1ba">crashpad::FileWriterInterface</a>.</p> </div> </div> <hr/>The documentation for this class was generated from the following files:<ul> <li>util/file/file_writer.h</li> <li>util/file/file_writer.cc</li> </ul> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.14 </small></address> </body> </html>