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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_1WeakStdioFileWriter.html">WeakStdioFileWriter</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="classcrashpad_1_1WeakStdioFileWriter-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">crashpad::WeakStdioFileWriter Class Reference</div> </div>
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<p>A file writer backed by a standard input/output <code>FILE*</code>.
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<a href="classcrashpad_1_1WeakStdioFileWriter.html#details">More...</a></p>
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<p><code>#include "util/file/file_writer.h"</code></p>
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<div class="dynheader">
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Inheritance diagram for crashpad::WeakStdioFileWriter:</div>
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<div class="dyncontent">
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<img src="classcrashpad_1_1WeakStdioFileWriter.png" usemap="#crashpad::WeakStdioFileWriter_map" alt=""/>
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<map id="crashpad::WeakStdioFileWriter_map" name="crashpad::WeakStdioFileWriter_map">
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<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="0,56,185,80"/>
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<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="0,0,185,24"/>
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</map>
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</div></div>
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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:a1976398ef13ba38a373f0365f34218ce"><td class="memItemLeft" align="right" valign="top"><a id="a1976398ef13ba38a373f0365f34218ce"></a>
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 </td><td class="memItemRight" valign="bottom"><b>WeakStdioFileWriter</b> (FILE *file)</td></tr>
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<tr class="separator:a1976398ef13ba38a373f0365f34218ce"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9147a282302c1c3c043ada2c85fa8e77"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1WeakStdioFileWriter.html#a9147a282302c1c3c043ada2c85fa8e77">Write</a> (const void *data, size_t size) override</td></tr>
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<tr class="memdesc:a9147a282302c1c3c043ada2c85fa8e77"><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="#a9147a282302c1c3c043ada2c85fa8e77">More...</a><br /></td></tr>
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<tr class="separator:a9147a282302c1c3c043ada2c85fa8e77"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa032081323879c8a82d9101a1125ae56"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1WeakStdioFileWriter.html#aa032081323879c8a82d9101a1125ae56">WriteIoVec</a> (std::vector< <a class="el" href="structcrashpad_1_1WritableIoVec.html">WritableIoVec</a> > *iovecs) override</td></tr>
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<tr class="memdesc:aa032081323879c8a82d9101a1125ae56"><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_1WeakStdioFileWriter.html#a9147a282302c1c3c043ada2c85fa8e77" title="Wraps LoggingWriteFile(), or provides an implementation with identical semantics. ...">Write()</a>. <a href="#aa032081323879c8a82d9101a1125ae56">More...</a><br /></td></tr>
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<tr class="separator:aa032081323879c8a82d9101a1125ae56"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac2c9453d5939a0f9d7dbcf1f04c76d84"><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_1WeakStdioFileWriter.html#ac2c9453d5939a0f9d7dbcf1f04c76d84">Seek</a> (<a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> offset, int whence) override</td></tr>
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<tr class="memdesc:ac2c9453d5939a0f9d7dbcf1f04c76d84"><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="#ac2c9453d5939a0f9d7dbcf1f04c76d84">More...</a><br /></td></tr>
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<tr class="separator:ac2c9453d5939a0f9d7dbcf1f04c76d84"><td class="memSeparator" colspan="2"> </td></tr>
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<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>
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<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>
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<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>
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<tr class="separator:a49a884bfb0a61461b0291c975aa15382 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memSeparator" colspan="2"> </td></tr>
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<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>
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<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>
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<tr class="separator:add2e1ee642d94c91ef722911e9aee250 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><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>A file writer backed by a standard input/output <code>FILE*</code>. </p>
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<p>This class accepts an already-open <code>FILE*</code>. It is not responsible for opening or closing this <code>FILE*</code>. Users of this class must ensure that the <code>FILE*</code> is closed appropriately elsewhere. Objects of this class may be used to write to <code>FILE*</code> objects not associated with filesystem-based files, although special attention should be paid to the <a class="el" href="classcrashpad_1_1WeakStdioFileWriter.html#ac2c9453d5939a0f9d7dbcf1f04c76d84" title="Wraps LoggingSeekFile() or provides an alternate implementation with identical semantics. ">Seek()</a> method, which may not function on <code>FILE*</code> objects that do not refer to disk-based files.</p>
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<p>This class is expected to be used when other code is responsible for opening <code>FILE*</code> objects and already provides <code>FILE*</code> objects. A good use would be a <a class="el" href="classcrashpad_1_1WeakStdioFileWriter.html" title="A file writer backed by a standard input/output FILE*. ">WeakStdioFileWriter</a> for <code>stdout</code>. </p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<a id="ac2c9453d5939a0f9d7dbcf1f04c76d84"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ac2c9453d5939a0f9d7dbcf1f04c76d84">◆ </a></span>Seek()</h2>
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<div class="memproto">
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<td class="memname"><a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> crashpad::WeakStdioFileWriter::Seek </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> </td>
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<td class="paramname"><em>offset</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">int </td>
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<td class="paramname"><em>whence</em> </td>
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<td></td>
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<td>)</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<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>
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<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>
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<dl class="section note"><dt>Note</dt><dd>This method is only guaranteed to function on <code>FILE*</code> objects referring to disk-based files. </dd></dl>
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<p>Implements <a class="el" href="classcrashpad_1_1FileSeekerInterface.html#a8d56f7d12dfcce3e4a39ad1524302aa1">crashpad::FileSeekerInterface</a>.</p>
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<a id="a9147a282302c1c3c043ada2c85fa8e77"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a9147a282302c1c3c043ada2c85fa8e77">◆ </a></span>Write()</h2>
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<td class="memname">bool crashpad::WeakStdioFileWriter::Write </td>
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<td>(</td>
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<td class="paramtype">const void * </td>
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<td class="paramname"><em>data</em>, </td>
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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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<td></td>
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<td>)</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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</div><div class="memdoc">
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<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>
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<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>
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<p>Implements <a class="el" href="classcrashpad_1_1FileWriterInterface.html#a34e3a6edac09771c7746901b77acc5b1">crashpad::FileWriterInterface</a>.</p>
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<a id="aa032081323879c8a82d9101a1125ae56"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#aa032081323879c8a82d9101a1125ae56">◆ </a></span>WriteIoVec()</h2>
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<td class="memname">bool crashpad::WeakStdioFileWriter::WriteIoVec </td>
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<td>(</td>
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<td class="paramtype">std::vector< <a class="el" href="structcrashpad_1_1WritableIoVec.html">WritableIoVec</a> > * </td>
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<td class="paramname"><em>iovecs</em></td><td>)</td>
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<td></td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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</div><div class="memdoc">
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<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_1WeakStdioFileWriter.html#a9147a282302c1c3c043ada2c85fa8e77" title="Wraps LoggingWriteFile(), or provides an implementation with identical semantics. ...">Write()</a>. </p>
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<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>
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<dl class="section note"><dt>Note</dt><dd>The contents of <em>iovecs</em> are undefined when this method returns. </dd></dl>
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<p>Implements <a class="el" href="classcrashpad_1_1FileWriterInterface.html#a056d01fcfa12a49cff735cf4f63bc1ba">crashpad::FileWriterInterface</a>.</p>
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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/file/file_writer.h</li>
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<li>util/file/file_writer.cc</li>
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</ul>
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