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<li class="navelem"><a class="el" href="namespaceExiv2.html">Exiv2</a></li><li class="navelem"><a class="el" href="classExiv2_1_1FileIo.html">FileIo</a></li> </ul>
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<div class="title">Exiv2::FileIo Class Reference</div> </div>
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<p>Provides binary file IO by implementing the <a class="el" href="classExiv2_1_1BasicIo.html" title="An interface for simple binary IO. ">BasicIo</a> interface.
<a href="classExiv2_1_1FileIo.html#details">More...</a></p>
<p><code>#include <basicio.hpp></code></p>
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<img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for Exiv2::FileIo:</div>
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<area shape="rect" id="node2" href="classExiv2_1_1BasicIo.html" title="An interface for simple binary IO. " alt="" coords="5,5,168,32"/></map>
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<img id="dynsection-1-trigger" src="closed.png" alt="+"/> Collaboration diagram for Exiv2::FileIo:</div>
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<table class="memberdecls">
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html">Impl</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="namespaceExiv2_1_1Internal.html" title="Contains internal objects which are not published and are not part of the libexiv2 API...">Internal</a> Pimpl structure of class <a class="el" href="classExiv2_1_1FileIo.html" title="Provides binary file IO by implementing the BasicIo interface. ">FileIo</a>. <a href="classExiv2_1_1FileIo_1_1Impl.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">Creators</div></td></tr>
<tr class="memitem:a940ebd4fc3630f31c59adf99a52824c3"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#a940ebd4fc3630f31c59adf99a52824c3">FileIo</a> (const std::string &<a class="el" href="classExiv2_1_1FileIo.html#ad4e63c22394f5cc3597a3d175cfbcc58">path</a>)</td></tr>
<tr class="memdesc:a940ebd4fc3630f31c59adf99a52824c3"><td class="mdescLeft"> </td><td class="mdescRight">Constructor that accepts the file path on which IO will be performed. The constructor does not open the file, and therefore never failes. <a href="#a940ebd4fc3630f31c59adf99a52824c3">More...</a><br /></td></tr>
<tr class="separator:a940ebd4fc3630f31c59adf99a52824c3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a697adf86c426ab897c85eaaa8494f6a4"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a697adf86c426ab897c85eaaa8494f6a4"></a>
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#a697adf86c426ab897c85eaaa8494f6a4">~FileIo</a> ()</td></tr>
<tr class="memdesc:a697adf86c426ab897c85eaaa8494f6a4"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. Flushes and closes an open file. <br /></td></tr>
<tr class="separator:a697adf86c426ab897c85eaaa8494f6a4"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">Manipulators</div></td></tr>
<tr class="memitem:a1793ddca7f8c94619ceae7a127da73c2"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#a1793ddca7f8c94619ceae7a127da73c2">open</a> (const std::string &mode)</td></tr>
<tr class="memdesc:a1793ddca7f8c94619ceae7a127da73c2"><td class="mdescLeft"> </td><td class="mdescRight">Open the file using using the specified mode. <a href="#a1793ddca7f8c94619ceae7a127da73c2">More...</a><br /></td></tr>
<tr class="separator:a1793ddca7f8c94619ceae7a127da73c2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a82a0cd197da227242ad8fcc50a70d29b"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#a82a0cd197da227242ad8fcc50a70d29b">open</a> ()</td></tr>
<tr class="memdesc:a82a0cd197da227242ad8fcc50a70d29b"><td class="mdescLeft"> </td><td class="mdescRight">Open the file using using the default access mode of "rb". This method can also be used to "reopen" a file which will flush any unwritten data and reset the IO position to the start. <a href="#a82a0cd197da227242ad8fcc50a70d29b">More...</a><br /></td></tr>
<tr class="separator:a82a0cd197da227242ad8fcc50a70d29b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae0a881364b273ff14fb90c9375e9378b"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#ae0a881364b273ff14fb90c9375e9378b">close</a> ()</td></tr>
<tr class="memdesc:ae0a881364b273ff14fb90c9375e9378b"><td class="mdescLeft"> </td><td class="mdescRight">Flush and unwritten data and close the file . It is safe to call close on an already closed instance. <a href="#ae0a881364b273ff14fb90c9375e9378b">More...</a><br /></td></tr>
<tr class="separator:ae0a881364b273ff14fb90c9375e9378b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5b3d5f5a5b4b7f9d3d8cec46a4ad95f7"><td class="memItemLeft" align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#a5b3d5f5a5b4b7f9d3d8cec46a4ad95f7">write</a> (const <a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> *data, long wcount)</td></tr>
<tr class="memdesc:a5b3d5f5a5b4b7f9d3d8cec46a4ad95f7"><td class="mdescLeft"> </td><td class="mdescRight">Write data to the file. The file position is advanced by the number of bytes written. <a href="#a5b3d5f5a5b4b7f9d3d8cec46a4ad95f7">More...</a><br /></td></tr>
<tr class="separator:a5b3d5f5a5b4b7f9d3d8cec46a4ad95f7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad388515b87717088238dca8d71e75470"><td class="memItemLeft" align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#ad388515b87717088238dca8d71e75470">write</a> (<a class="el" href="classExiv2_1_1BasicIo.html">BasicIo</a> &src)</td></tr>
<tr class="memdesc:ad388515b87717088238dca8d71e75470"><td class="mdescLeft"> </td><td class="mdescRight">Write data that is read from another <a class="el" href="classExiv2_1_1BasicIo.html" title="An interface for simple binary IO. ">BasicIo</a> instance to the file. The file position is advanced by the number of bytes written. <a href="#ad388515b87717088238dca8d71e75470">More...</a><br /></td></tr>
<tr class="separator:ad388515b87717088238dca8d71e75470"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5d982468386b392b34b5ee8142b73396"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#a5d982468386b392b34b5ee8142b73396">putb</a> (<a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> data)</td></tr>
<tr class="memdesc:a5d982468386b392b34b5ee8142b73396"><td class="mdescLeft"> </td><td class="mdescRight">Write one byte to the file. The file position is advanced by one byte. <a href="#a5d982468386b392b34b5ee8142b73396">More...</a><br /></td></tr>
<tr class="separator:a5d982468386b392b34b5ee8142b73396"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5c7364fbbdc740ec0736da33ad9a82f0"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classExiv2_1_1DataBuf.html">DataBuf</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#a5c7364fbbdc740ec0736da33ad9a82f0">read</a> (long rcount)</td></tr>
<tr class="memdesc:a5c7364fbbdc740ec0736da33ad9a82f0"><td class="mdescLeft"> </td><td class="mdescRight">Read data from the file. Reading starts at the current file position and the position is advanced by the number of bytes read. <a href="#a5c7364fbbdc740ec0736da33ad9a82f0">More...</a><br /></td></tr>
<tr class="separator:a5c7364fbbdc740ec0736da33ad9a82f0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a23f598a52577e98be9f4292518ba6198"><td class="memItemLeft" align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#a23f598a52577e98be9f4292518ba6198">read</a> (<a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> *buf, long rcount)</td></tr>
<tr class="memdesc:a23f598a52577e98be9f4292518ba6198"><td class="mdescLeft"> </td><td class="mdescRight">Read data from the file. Reading starts at the current file position and the position is advanced by the number of bytes read. <a href="#a23f598a52577e98be9f4292518ba6198">More...</a><br /></td></tr>
<tr class="separator:a23f598a52577e98be9f4292518ba6198"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7b211213f0c2e3b9153a69f67c15ab47"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#a7b211213f0c2e3b9153a69f67c15ab47">getb</a> ()</td></tr>
<tr class="memdesc:a7b211213f0c2e3b9153a69f67c15ab47"><td class="mdescLeft"> </td><td class="mdescRight">Read one byte from the file. The file position is advanced by one byte. <a href="#a7b211213f0c2e3b9153a69f67c15ab47">More...</a><br /></td></tr>
<tr class="separator:a7b211213f0c2e3b9153a69f67c15ab47"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7820fe3bdac99ff4a78dccccba1eed10"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#a7820fe3bdac99ff4a78dccccba1eed10">transfer</a> (<a class="el" href="classExiv2_1_1BasicIo.html">BasicIo</a> &src)</td></tr>
<tr class="memdesc:a7820fe3bdac99ff4a78dccccba1eed10"><td class="mdescLeft"> </td><td class="mdescRight">Remove the contents of the file and then transfer data from the <em>src</em> <a class="el" href="classExiv2_1_1BasicIo.html" title="An interface for simple binary IO. ">BasicIo</a> object into the empty file. <a href="#a7820fe3bdac99ff4a78dccccba1eed10">More...</a><br /></td></tr>
<tr class="separator:a7820fe3bdac99ff4a78dccccba1eed10"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af3f07fc65378860f0b4fe048a398a1bf"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#af3f07fc65378860f0b4fe048a398a1bf">seek</a> (long offset, <a class="el" href="classExiv2_1_1BasicIo.html#a1d23c3bf7618f2ee6ebb5cf033b10911">Position</a> pos)</td></tr>
<tr class="memdesc:af3f07fc65378860f0b4fe048a398a1bf"><td class="mdescLeft"> </td><td class="mdescRight">Move the current file position. <a href="#af3f07fc65378860f0b4fe048a398a1bf">More...</a><br /></td></tr>
<tr class="separator:af3f07fc65378860f0b4fe048a398a1bf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abacf2e7547c849c8809d472872c9a3a2"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#abacf2e7547c849c8809d472872c9a3a2">mmap</a> (bool isWriteable=false)</td></tr>
<tr class="memdesc:abacf2e7547c849c8809d472872c9a3a2"><td class="mdescLeft"> </td><td class="mdescRight">Map the file into the process's address space. The file must be open before <a class="el" href="classExiv2_1_1FileIo.html#abacf2e7547c849c8809d472872c9a3a2" title="Map the file into the process's address space. The file must be open before mmap() is called...">mmap()</a> is called. If the mapped area is writeable, changes may not be written back to the underlying file until <a class="el" href="classExiv2_1_1FileIo.html#ac23e31007bdcf3d4e7f17bc2b0341759" title="Remove a mapping established with mmap(). If the mapped area is writeable, this ensures that changes ...">munmap()</a> is called. The pointer is valid only as long as the <a class="el" href="classExiv2_1_1FileIo.html" title="Provides binary file IO by implementing the BasicIo interface. ">FileIo</a> object exists. <a href="#abacf2e7547c849c8809d472872c9a3a2">More...</a><br /></td></tr>
<tr class="separator:abacf2e7547c849c8809d472872c9a3a2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac23e31007bdcf3d4e7f17bc2b0341759"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#ac23e31007bdcf3d4e7f17bc2b0341759">munmap</a> ()</td></tr>
<tr class="memdesc:ac23e31007bdcf3d4e7f17bc2b0341759"><td class="mdescLeft"> </td><td class="mdescRight">Remove a mapping established with <a class="el" href="classExiv2_1_1FileIo.html#abacf2e7547c849c8809d472872c9a3a2" title="Map the file into the process's address space. The file must be open before mmap() is called...">mmap()</a>. If the mapped area is writeable, this ensures that changes are written back to the underlying file. <a href="#ac23e31007bdcf3d4e7f17bc2b0341759">More...</a><br /></td></tr>
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<tr><td colspan="2"><div class="groupHeader">Accessors</div></td></tr>
<tr class="memitem:abf285ea310f0c53d3107de6ba6e518db"><td class="memItemLeft" align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#abf285ea310f0c53d3107de6ba6e518db">tell</a> () const </td></tr>
<tr class="memdesc:abf285ea310f0c53d3107de6ba6e518db"><td class="mdescLeft"> </td><td class="mdescRight">Get the current file position. <a href="#abf285ea310f0c53d3107de6ba6e518db">More...</a><br /></td></tr>
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<tr class="memitem:a661e30ac842bbbeedef11aa9e1454f6d"><td class="memItemLeft" align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#a661e30ac842bbbeedef11aa9e1454f6d">size</a> () const </td></tr>
<tr class="memdesc:a661e30ac842bbbeedef11aa9e1454f6d"><td class="mdescLeft"> </td><td class="mdescRight">Flush any buffered writes and get the current file size in bytes. <a href="#a661e30ac842bbbeedef11aa9e1454f6d">More...</a><br /></td></tr>
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virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#abebb141803e349cdfcd36e8b621fdcb7">isopen</a> () const </td></tr>
<tr class="memdesc:abebb141803e349cdfcd36e8b621fdcb7"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if the file is open, otherwise false. <br /></td></tr>
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virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#a6a5ad7cda1dffde07d1a0d37b71011e8">error</a> () const </td></tr>
<tr class="memdesc:a6a5ad7cda1dffde07d1a0d37b71011e8"><td class="mdescLeft"> </td><td class="mdescRight">Returns 0 if the file is in a valid state, otherwise nonzero. <br /></td></tr>
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virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#a31d22eb7249daef85cafff5f9ab254b9">eof</a> () const </td></tr>
<tr class="memdesc:a31d22eb7249daef85cafff5f9ab254b9"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if the file position has reach the end, otherwise false. <br /></td></tr>
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virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#ad4e63c22394f5cc3597a3d175cfbcc58">path</a> () const </td></tr>
<tr class="memdesc:ad4e63c22394f5cc3597a3d175cfbcc58"><td class="mdescLeft"> </td><td class="mdescRight">Returns the path of the file. <br /></td></tr>
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<tr class="memitem:affc1034970489c7734cfefed90b4d8d1"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classExiv2_1_1BasicIo.html#af8f989522925b884d8c9d3a257265fa1">BasicIo::AutoPtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo.html#affc1034970489c7734cfefed90b4d8d1">temporary</a> () const </td></tr>
<tr class="memdesc:affc1034970489c7734cfefed90b4d8d1"><td class="mdescLeft"> </td><td class="mdescRight">Returns a temporary data storage location. The actual type returned depends upon the size of the file represented a <a class="el" href="classExiv2_1_1FileIo.html" title="Provides binary file IO by implementing the BasicIo interface. ">FileIo</a> object. For small files, a <a class="el" href="classExiv2_1_1MemIo.html" title="Provides binary IO on blocks of memory by implementing the BasicIo interface. A copy-on-write impleme...">MemIo</a> is returned while for large files a <a class="el" href="classExiv2_1_1FileIo.html" title="Provides binary file IO by implementing the BasicIo interface. ">FileIo</a> is returned. Callers should not rely on this behavior, however, since it may change. <a href="#affc1034970489c7734cfefed90b4d8d1">More...</a><br /></td></tr>
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<tr class="inherit_header pub_methods_classExiv2_1_1BasicIo"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classExiv2_1_1BasicIo')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classExiv2_1_1BasicIo.html">Exiv2::BasicIo</a></td></tr>
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virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1BasicIo.html#a85137a48df4f7503e6197711b6021203">~BasicIo</a> ()</td></tr>
<tr class="memdesc:a85137a48df4f7503e6197711b6021203 inherit pub_methods_classExiv2_1_1BasicIo"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_classExiv2_1_1BasicIo"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classExiv2_1_1BasicIo')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="classExiv2_1_1BasicIo.html">Exiv2::BasicIo</a></td></tr>
<tr class="memitem:a1d23c3bf7618f2ee6ebb5cf033b10911 inherit pub_types_classExiv2_1_1BasicIo"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1d23c3bf7618f2ee6ebb5cf033b10911"></a>enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1BasicIo.html#a1d23c3bf7618f2ee6ebb5cf033b10911">Position</a> { <b>beg</b>,
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<b>end</b>
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<tr class="memdesc:a1d23c3bf7618f2ee6ebb5cf033b10911"><td class="mdescLeft"> </td><td class="mdescRight">Seek starting positions. <br /></td></tr>
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typedef std::auto_ptr< <a class="el" href="classExiv2_1_1BasicIo.html">BasicIo</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1BasicIo.html#af8f989522925b884d8c9d3a257265fa1">AutoPtr</a></td></tr>
<tr class="memdesc:af8f989522925b884d8c9d3a257265fa1 inherit pub_types_classExiv2_1_1BasicIo"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classExiv2_1_1BasicIo.html" title="An interface for simple binary IO. ">BasicIo</a> auto_ptr type. <br /></td></tr>
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<tr class="inherit_header pro_methods_classExiv2_1_1BasicIo"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classExiv2_1_1BasicIo')"><img src="closed.png" alt="-"/> Protected Member Functions inherited from <a class="el" href="classExiv2_1_1BasicIo.html">Exiv2::BasicIo</a></td></tr>
<tr class="memitem:ac726bef377a5da282b0f2cadb5b779be inherit pro_methods_classExiv2_1_1BasicIo"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac726bef377a5da282b0f2cadb5b779be"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1BasicIo.html#ac726bef377a5da282b0f2cadb5b779be">BasicIo</a> ()</td></tr>
<tr class="memdesc:ac726bef377a5da282b0f2cadb5b779be inherit pro_methods_classExiv2_1_1BasicIo"><td class="mdescLeft"> </td><td class="mdescRight">Default Constructor. <br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Provides binary file IO by implementing the <a class="el" href="classExiv2_1_1BasicIo.html" title="An interface for simple binary IO. ">BasicIo</a> interface. </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">Exiv2::FileIo::FileIo </td>
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<td class="paramtype">const std::string & </td>
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<p>Constructor that accepts the file path on which IO will be performed. The constructor does not open the file, and therefore never failes. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">path</td><td>The full path of a file </td></tr>
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</dd>
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<p>Referenced by <a class="el" href="classExiv2_1_1FileIo.html#affc1034970489c7734cfefed90b4d8d1">temporary()</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">int Exiv2::FileIo::close </td>
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<p>Flush and unwritten data and close the file . It is safe to call close on an already closed instance. </p>
<dl class="section return"><dt>Returns</dt><dd>0 if successful;<br />
Nonzero if failure; </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#a67ae3ca0f8aece92a7b7749dfb02edde">Exiv2::BasicIo</a>.</p>
<p>References <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">Exiv2::FileIo::Impl::fp_</a>, and <a class="el" href="classExiv2_1_1FileIo.html#ac23e31007bdcf3d4e7f17bc2b0341759">munmap()</a>.</p>
<p>Referenced by <a class="el" href="classExiv2_1_1ImageFactory.html#a66e3b04ee1e62cd0f978995def1fd495">Exiv2::ImageFactory::create()</a>, <a class="el" href="classExiv2_1_1FileIo.html#a1793ddca7f8c94619ceae7a127da73c2">open()</a>, <a class="el" href="classExiv2_1_1FileIo.html#a7820fe3bdac99ff4a78dccccba1eed10">transfer()</a>, and <a class="el" href="classExiv2_1_1FileIo.html#a697adf86c426ab897c85eaaa8494f6a4">~FileIo()</a>.</p>
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<td class="memname">int Exiv2::FileIo::getb </td>
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<p>Read one byte from the file. The file position is advanced by one byte. </p>
<dl class="section return"><dt>Returns</dt><dd>The byte read from the file if successful;<br />
EOF if failure; </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#a648bc0d9b1a79e34684375074d806534">Exiv2::BasicIo</a>.</p>
<p>References <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">Exiv2::FileIo::Impl::fp_</a>, and <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a7be38a2e6a5da155aa1d4b6420d15912">Exiv2::FileIo::Impl::switchMode()</a>.</p>
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<td class="memname"><a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> * Exiv2::FileIo::mmap </td>
<td>(</td>
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<p>Map the file into the process's address space. The file must be open before <a class="el" href="classExiv2_1_1FileIo.html#abacf2e7547c849c8809d472872c9a3a2" title="Map the file into the process's address space. The file must be open before mmap() is called...">mmap()</a> is called. If the mapped area is writeable, changes may not be written back to the underlying file until <a class="el" href="classExiv2_1_1FileIo.html#ac23e31007bdcf3d4e7f17bc2b0341759" title="Remove a mapping established with mmap(). If the mapped area is writeable, this ensures that changes ...">munmap()</a> is called. The pointer is valid only as long as the <a class="el" href="classExiv2_1_1FileIo.html" title="Provides binary file IO by implementing the BasicIo interface. ">FileIo</a> object exists. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">isWriteable</td><td>Set to true if the mapped area should be writeable (default is false). </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>A pointer to the mapped area. </dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
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<tr><td class="paramname">Error</td><td>In case of failure. </td></tr>
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</dd>
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<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#a8728349cdeb79d569eba6fa6e26d5e74">Exiv2::BasicIo</a>.</p>
<p>References <a class="el" href="classExiv2_1_1FileIo.html#a31d22eb7249daef85cafff5f9ab254b9">eof()</a>, <a class="el" href="classExiv2_1_1FileIo.html#a6a5ad7cda1dffde07d1a0d37b71011e8">error()</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">Exiv2::FileIo::Impl::fp_</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#ada7659603d39613151d4d132cccdfdf0">Exiv2::FileIo::Impl::isMalloced_</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a8987d346a621d765a5689da5a279f9a2">Exiv2::FileIo::Impl::isWriteable_</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#aea9c770a4ba090737b31e7b7b00933c2">Exiv2::FileIo::Impl::mappedLength_</a>, <a class="el" href="classExiv2_1_1FileIo.html#ac23e31007bdcf3d4e7f17bc2b0341759">munmap()</a>, <a class="el" href="classExiv2_1_1FileIo.html#ad4e63c22394f5cc3597a3d175cfbcc58">path()</a>, <a class="el" href="classExiv2_1_1DataBuf.html#a9a00173081c913d3add58854d9ad2c39">Exiv2::DataBuf::pData_</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a9db9e6ec78e0ed12c1829c8e941bf2c8">Exiv2::FileIo::Impl::pMappedArea_</a>, <a class="el" href="classExiv2_1_1FileIo.html#a5c7364fbbdc740ec0736da33ad9a82f0">read()</a>, <a class="el" href="classExiv2_1_1DataBuf.html#a2fb958d6820e3790d14ab143159f50b2">Exiv2::DataBuf::release()</a>, <a class="el" href="classExiv2_1_1FileIo.html#a661e30ac842bbbeedef11aa9e1454f6d">size()</a>, <a class="el" href="classExiv2_1_1DataBuf.html#a5e6028d5cdae2e149749667cf66c3e91">Exiv2::DataBuf::size_</a>, <a class="el" href="namespaceExiv2.html#a086796c27d01f4618a158a0e56905f72">Exiv2::strError()</a>, and <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a7be38a2e6a5da155aa1d4b6420d15912">Exiv2::FileIo::Impl::switchMode()</a>.</p>
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<td class="memname">int Exiv2::FileIo::munmap </td>
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<p>Remove a mapping established with <a class="el" href="classExiv2_1_1FileIo.html#abacf2e7547c849c8809d472872c9a3a2" title="Map the file into the process's address space. The file must be open before mmap() is called...">mmap()</a>. If the mapped area is writeable, this ensures that changes are written back to the underlying file. </p>
<dl class="section return"><dt>Returns</dt><dd>0 if successful;<br />
Nonzero if failure; </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#aad39cb2b01e19b5e648988bbb239fa63">Exiv2::BasicIo</a>.</p>
<p>References <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">Exiv2::FileIo::Impl::fp_</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#ada7659603d39613151d4d132cccdfdf0">Exiv2::FileIo::Impl::isMalloced_</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a8987d346a621d765a5689da5a279f9a2">Exiv2::FileIo::Impl::isWriteable_</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#aea9c770a4ba090737b31e7b7b00933c2">Exiv2::FileIo::Impl::mappedLength_</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a9db9e6ec78e0ed12c1829c8e941bf2c8">Exiv2::FileIo::Impl::pMappedArea_</a>, <a class="el" href="classExiv2_1_1FileIo.html#af3f07fc65378860f0b4fe048a398a1bf">seek()</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a7be38a2e6a5da155aa1d4b6420d15912">Exiv2::FileIo::Impl::switchMode()</a>, and <a class="el" href="classExiv2_1_1FileIo.html#a5b3d5f5a5b4b7f9d3d8cec46a4ad95f7">write()</a>.</p>
<p>Referenced by <a class="el" href="classExiv2_1_1FileIo.html#ae0a881364b273ff14fb90c9375e9378b">close()</a>, and <a class="el" href="classExiv2_1_1FileIo.html#abacf2e7547c849c8809d472872c9a3a2">mmap()</a>.</p>
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<td class="memname">int Exiv2::FileIo::open </td>
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<p>Open the file using using the specified mode. </p>
<p>This method can also be used to "reopen" a file which will flush any unwritten data and reset the IO position to the start. Although files can be opened in binary or text mode, this class has only been tested carefully in binary mode.</p>
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<tr><td class="paramname">mode</td><td>Specified that type of access allowed on the file. Valid values match those of the C fopen command exactly. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>0 if successful;<br />
Nonzero if failure. </dd></dl>
<p>References <a class="el" href="classExiv2_1_1FileIo.html#ae0a881364b273ff14fb90c9375e9378b">close()</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">Exiv2::FileIo::Impl::fp_</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a2aa93061bb685b73df97da7b011bde7f">Exiv2::FileIo::Impl::openMode_</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#ae6ea0ef6708d70983bda651a555ccc1f">Exiv2::FileIo::Impl::opMode_</a>, and <a class="el" href="classExiv2_1_1FileIo.html#ad4e63c22394f5cc3597a3d175cfbcc58">path()</a>.</p>
<p>Referenced by <a class="el" href="classExiv2_1_1ImageFactory.html#a66e3b04ee1e62cd0f978995def1fd495">Exiv2::ImageFactory::create()</a>, <a class="el" href="namespaceExiv2.html#a5c87ddedd63e9ab9aa6f295cda32aebd">Exiv2::readFile()</a>, and <a class="el" href="namespaceExiv2.html#a65c0189894e7563da9a932e9c826e761">Exiv2::writeFile()</a>.</p>
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<td class="memname">int Exiv2::FileIo::open </td>
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<p>Open the file using using the default access mode of "rb". This method can also be used to "reopen" a file which will flush any unwritten data and reset the IO position to the start. </p>
<dl class="section return"><dt>Returns</dt><dd>0 if successful;<br />
Nonzero if failure. </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#a1beff0dcdf03510bad13b6946379c5f2">Exiv2::BasicIo</a>.</p>
<p>Referenced by <a class="el" href="classExiv2_1_1FileIo.html#a7820fe3bdac99ff4a78dccccba1eed10">transfer()</a>.</p>
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<td class="memname">int Exiv2::FileIo::putb </td>
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<td class="paramtype"><a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> </td>
<td class="paramname"><em>data</em></td><td>)</td>
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<p>Write one byte to the file. The file position is advanced by one byte. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">data</td><td>The single byte to be written. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The value of the byte written if successful;<br />
EOF if failure; </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#ad16a1fab0f122c8ca11b86d09b03b9a7">Exiv2::BasicIo</a>.</p>
<p>References <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">Exiv2::FileIo::Impl::fp_</a>, and <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a7be38a2e6a5da155aa1d4b6420d15912">Exiv2::FileIo::Impl::switchMode()</a>.</p>
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<td class="memname"><a class="el" href="classExiv2_1_1DataBuf.html">DataBuf</a> Exiv2::FileIo::read </td>
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<td class="paramtype">long </td>
<td class="paramname"><em>rcount</em></td><td>)</td>
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<p>Read data from the file. Reading starts at the current file position and the position is advanced by the number of bytes read. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">rcount</td><td>Maximum number of bytes to read. Fewer bytes may be read if <em>rcount</em> bytes are not available. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classExiv2_1_1DataBuf.html" title="Utility class containing a character array. All it does is to take care of memory allocation and dele...">DataBuf</a> instance containing the bytes read. Use the <a class="el" href="classExiv2_1_1DataBuf.html#a5e6028d5cdae2e149749667cf66c3e91" title="The current size of the buffer. ">DataBuf::size_</a> member to find the number of bytes read. <a class="el" href="classExiv2_1_1DataBuf.html#a5e6028d5cdae2e149749667cf66c3e91" title="The current size of the buffer. ">DataBuf::size_</a> will be 0 on failure. </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#a8c9e6c7377b642afbb2c14a0e3896917">Exiv2::BasicIo</a>.</p>
<p>References <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">Exiv2::FileIo::Impl::fp_</a>, <a class="el" href="classExiv2_1_1DataBuf.html#a9a00173081c913d3add58854d9ad2c39">Exiv2::DataBuf::pData_</a>, <a class="el" href="classExiv2_1_1FileIo.html#a661e30ac842bbbeedef11aa9e1454f6d">size()</a>, and <a class="el" href="classExiv2_1_1DataBuf.html#a5e6028d5cdae2e149749667cf66c3e91">Exiv2::DataBuf::size_</a>.</p>
<p>Referenced by <a class="el" href="classExiv2_1_1FileIo.html#abacf2e7547c849c8809d472872c9a3a2">mmap()</a>, and <a class="el" href="namespaceExiv2.html#a5c87ddedd63e9ab9aa6f295cda32aebd">Exiv2::readFile()</a>.</p>
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<td class="memname">long Exiv2::FileIo::read </td>
<td>(</td>
<td class="paramtype"><a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> * </td>
<td class="paramname"><em>buf</em>, </td>
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<td class="paramtype">long </td>
<td class="paramname"><em>rcount</em> </td>
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<p>Read data from the file. Reading starts at the current file position and the position is advanced by the number of bytes read. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">buf</td><td>Pointer to a block of memory into which the read data is stored. The memory block must be at least <em>rcount</em> bytes long. </td></tr>
<tr><td class="paramname">rcount</td><td>Maximum number of bytes to read. Fewer bytes may be read if <em>rcount</em> bytes are not available. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Number of bytes read from the file successfully;<br />
0 if failure; </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#aec8cb20c86e72b87577370a28d66a0ca">Exiv2::BasicIo</a>.</p>
<p>References <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">Exiv2::FileIo::Impl::fp_</a>, and <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a7be38a2e6a5da155aa1d4b6420d15912">Exiv2::FileIo::Impl::switchMode()</a>.</p>
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<td class="memname">int Exiv2::FileIo::seek </td>
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<td class="paramtype">long </td>
<td class="paramname"><em>offset</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="classExiv2_1_1BasicIo.html#a1d23c3bf7618f2ee6ebb5cf033b10911">Position</a> </td>
<td class="paramname"><em>pos</em> </td>
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<p>Move the current file position. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">offset</td><td>Number of bytes to move the file position relative to the starting position specified by <em>pos</em> </td></tr>
<tr><td class="paramname">pos</td><td>Position from which the seek should start </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 if successful;<br />
Nonzero if failure; </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#a561221bbe1d215b4d6b5ceceaa2e9a97">Exiv2::BasicIo</a>.</p>
<p>References <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">Exiv2::FileIo::Impl::fp_</a>, and <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a7be38a2e6a5da155aa1d4b6420d15912">Exiv2::FileIo::Impl::switchMode()</a>.</p>
<p>Referenced by <a class="el" href="classExiv2_1_1FileIo.html#ac23e31007bdcf3d4e7f17bc2b0341759">munmap()</a>.</p>
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<td class="memname">long Exiv2::FileIo::size </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Flush any buffered writes and get the current file size in bytes. </p>
<dl class="section return"><dt>Returns</dt><dd>Size of the file in bytes;<br />
-1 if failure; </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#a01903a1a2310197eb7e3fd41bedc3054">Exiv2::BasicIo</a>.</p>
<p>References <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">Exiv2::FileIo::Impl::fp_</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a2aa93061bb685b73df97da7b011bde7f">Exiv2::FileIo::Impl::openMode_</a>, <a class="el" href="structExiv2_1_1FileIo_1_1Impl_1_1StructStat.html#a4d16a0ac65419c462580893efb1a6ec3">Exiv2::FileIo::Impl::StructStat::st_size</a>, and <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#adb9024ecce2993f826d02da6957b9415">Exiv2::FileIo::Impl::stat()</a>.</p>
<p>Referenced by <a class="el" href="classExiv2_1_1FileIo.html#abacf2e7547c849c8809d472872c9a3a2">mmap()</a>, and <a class="el" href="classExiv2_1_1FileIo.html#a5c7364fbbdc740ec0736da33ad9a82f0">read()</a>.</p>
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<p>Get the current file position. </p>
<dl class="section return"><dt>Returns</dt><dd>Offset from the start of the file if successful;<br />
-1 if failure; </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#aeb9673a48a7af7376b7018998fb552e6">Exiv2::BasicIo</a>.</p>
<p>References <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">Exiv2::FileIo::Impl::fp_</a>.</p>
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<td class="memname"><a class="el" href="classExiv2_1_1BasicIo.html#af8f989522925b884d8c9d3a257265fa1">BasicIo::AutoPtr</a> Exiv2::FileIo::temporary </td>
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<p>Returns a temporary data storage location. The actual type returned depends upon the size of the file represented a <a class="el" href="classExiv2_1_1FileIo.html" title="Provides binary file IO by implementing the BasicIo interface. ">FileIo</a> object. For small files, a <a class="el" href="classExiv2_1_1MemIo.html" title="Provides binary IO on blocks of memory by implementing the BasicIo interface. A copy-on-write impleme...">MemIo</a> is returned while for large files a <a class="el" href="classExiv2_1_1FileIo.html" title="Provides binary file IO by implementing the BasicIo interface. ">FileIo</a> is returned. Callers should not rely on this behavior, however, since it may change. </p>
<dl class="section return"><dt>Returns</dt><dd>An instance of <a class="el" href="classExiv2_1_1BasicIo.html" title="An interface for simple binary IO. ">BasicIo</a> on success </dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">Error</td><td>If opening the temporary file fails </td></tr>
</table>
</dd>
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<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#aec9dd2dd223ce57650462c74a0770502">Exiv2::BasicIo</a>.</p>
<p>References <a class="el" href="classExiv2_1_1FileIo.html#a940ebd4fc3630f31c59adf99a52824c3">FileIo()</a>, <a class="el" href="classExiv2_1_1FileIo.html#ad4e63c22394f5cc3597a3d175cfbcc58">path()</a>, <a class="el" href="structExiv2_1_1FileIo_1_1Impl_1_1StructStat.html#a11db88a8966a9bece649989065f5ba42">Exiv2::FileIo::Impl::StructStat::st_nlink</a>, <a class="el" href="structExiv2_1_1FileIo_1_1Impl_1_1StructStat.html#a4d16a0ac65419c462580893efb1a6ec3">Exiv2::FileIo::Impl::StructStat::st_size</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#adb9024ecce2993f826d02da6957b9415">Exiv2::FileIo::Impl::stat()</a>, <a class="el" href="namespaceExiv2.html#a086796c27d01f4618a158a0e56905f72">Exiv2::strError()</a>, <a class="el" href="namespaceExiv2.html#a5153319711f35fe81cbc13f4b852450ca2d79fb07c9ec891f281968dad43c1e25">Exiv2::string</a>, and <a class="el" href="namespaceExiv2.html#aeb5a1b7e0a14e8671707d5be16cbda24">Exiv2::toString()</a>.</p>
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<td class="memname">void Exiv2::FileIo::transfer </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classExiv2_1_1BasicIo.html">BasicIo</a> & </td>
<td class="paramname"><em>src</em></td><td>)</td>
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<p>Remove the contents of the file and then transfer data from the <em>src</em> <a class="el" href="classExiv2_1_1BasicIo.html" title="An interface for simple binary IO. ">BasicIo</a> object into the empty file. </p>
<p>This method is optimized to simply rename the source file if the source object is another <a class="el" href="classExiv2_1_1FileIo.html" title="Provides binary file IO by implementing the BasicIo interface. ">FileIo</a> instance. The source <a class="el" href="classExiv2_1_1BasicIo.html" title="An interface for simple binary IO. ">BasicIo</a> object is invalidated by this operation and should not be used after this method returns. This method exists primarily to be used with the <a class="el" href="classExiv2_1_1BasicIo.html#aec9dd2dd223ce57650462c74a0770502" title="Returns a temporary data storage location. This is often needed to rewrite an IO source. ">BasicIo::temporary()</a> method.</p>
<dl class="section note"><dt>Note</dt><dd>If the caller doesn't have permissions to write to the file, an exception is raised and <em>src</em> is deleted.</dd></dl>
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<tr><td class="paramname">src</td><td>Reference to another <a class="el" href="classExiv2_1_1BasicIo.html" title="An interface for simple binary IO. ">BasicIo</a> instance. The entire contents of src are transferred to this object. The <em>src</em> object is invalidated by the method. </td></tr>
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</dd>
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<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">Error</td><td>In case of failure </td></tr>
</table>
</dd>
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<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#acb964ff603c96da8711baddb66a385a4">Exiv2::BasicIo</a>.</p>
<p>References <a class="el" href="classExiv2_1_1DataBuf.html#abe06b478dee2d020c4bde3f974bdeb90">Exiv2::DataBuf::alloc()</a>, <a class="el" href="classExiv2_1_1BasicIo.html#a67ae3ca0f8aece92a7b7749dfb02edde">Exiv2::BasicIo::close()</a>, <a class="el" href="classExiv2_1_1FileIo.html#ae0a881364b273ff14fb90c9375e9378b">close()</a>, <a class="el" href="classExiv2_1_1BasicIo.html#ad674727cddbf9cea627423620a8bb3d0">Exiv2::BasicIo::error()</a>, <a class="el" href="classExiv2_1_1FileIo.html#a6a5ad7cda1dffde07d1a0d37b71011e8">error()</a>, <a class="el" href="error_8hpp.html#a06ee301360765662f07d822ea005647e">EXV_WARNING</a>, <a class="el" href="namespaceExiv2.html#a0432df7d3995fa4d2fbc0b3f90265c59">Exiv2::fileExists()</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">Exiv2::FileIo::Impl::fp_</a>, <a class="el" href="classExiv2_1_1BasicIo.html#a1beff0dcdf03510bad13b6946379c5f2">Exiv2::BasicIo::open()</a>, <a class="el" href="classExiv2_1_1FileIo.html#a82a0cd197da227242ad8fcc50a70d29b">open()</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a2aa93061bb685b73df97da7b011bde7f">Exiv2::FileIo::Impl::openMode_</a>, <a class="el" href="classExiv2_1_1BasicIo.html#a8c4af60d14039fd99d36c73ce8354c15">Exiv2::BasicIo::path()</a>, <a class="el" href="classExiv2_1_1FileIo.html#ad4e63c22394f5cc3597a3d175cfbcc58">path()</a>, <a class="el" href="classExiv2_1_1DataBuf.html#a9a00173081c913d3add58854d9ad2c39">Exiv2::DataBuf::pData_</a>, <a class="el" href="classExiv2_1_1DataBuf.html#a5e6028d5cdae2e149749667cf66c3e91">Exiv2::DataBuf::size_</a>, <a class="el" href="structExiv2_1_1FileIo_1_1Impl_1_1StructStat.html#a1961a2c26a57c8c9848022c20f7ff725">Exiv2::FileIo::Impl::StructStat::st_mode</a>, <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#adb9024ecce2993f826d02da6957b9415">Exiv2::FileIo::Impl::stat()</a>, <a class="el" href="namespaceExiv2.html#a086796c27d01f4618a158a0e56905f72">Exiv2::strError()</a>, <a class="el" href="namespaceExiv2.html#a5153319711f35fe81cbc13f4b852450ca2d79fb07c9ec891f281968dad43c1e25">Exiv2::string</a>, and <a class="el" href="classExiv2_1_1FileIo.html#a5b3d5f5a5b4b7f9d3d8cec46a4ad95f7">write()</a>.</p>
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<td class="memname">long Exiv2::FileIo::write </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> * </td>
<td class="paramname"><em>data</em>, </td>
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<td class="paramtype">long </td>
<td class="paramname"><em>wcount</em> </td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Write data to the file. The file position is advanced by the number of bytes written. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">data</td><td>Pointer to data. Data must be at least <em>wcount</em> bytes long </td></tr>
<tr><td class="paramname">wcount</td><td>Number of bytes to be written. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Number of bytes written to the file successfully;<br />
0 if failure; </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#ac548d52ef633ac425bd01d17ccd2e7e4">Exiv2::BasicIo</a>.</p>
<p>References <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">Exiv2::FileIo::Impl::fp_</a>, and <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a7be38a2e6a5da155aa1d4b6420d15912">Exiv2::FileIo::Impl::switchMode()</a>.</p>
<p>Referenced by <a class="el" href="classExiv2_1_1FileIo.html#ac23e31007bdcf3d4e7f17bc2b0341759">munmap()</a>, <a class="el" href="classExiv2_1_1FileIo.html#a7820fe3bdac99ff4a78dccccba1eed10">transfer()</a>, and <a class="el" href="namespaceExiv2.html#a65c0189894e7563da9a932e9c826e761">Exiv2::writeFile()</a>.</p>
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<td class="memname">long Exiv2::FileIo::write </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classExiv2_1_1BasicIo.html">BasicIo</a> & </td>
<td class="paramname"><em>src</em></td><td>)</td>
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<p>Write data that is read from another <a class="el" href="classExiv2_1_1BasicIo.html" title="An interface for simple binary IO. ">BasicIo</a> instance to the file. The file position is advanced by the number of bytes written. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">src</td><td>Reference to another <a class="el" href="classExiv2_1_1BasicIo.html" title="An interface for simple binary IO. ">BasicIo</a> instance. Reading start at the source's current IO position </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>Number of bytes written to the file successfully;<br />
0 if failure; </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1BasicIo.html#a31334606e230bbe94d6b8768d3c6d75f">Exiv2::BasicIo</a>.</p>
<p>References <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">Exiv2::FileIo::Impl::fp_</a>, <a class="el" href="classExiv2_1_1BasicIo.html#a17744832ee807c68f9c8d744692d9aaf">Exiv2::BasicIo::isopen()</a>, <a class="el" href="classExiv2_1_1BasicIo.html#a8c9e6c7377b642afbb2c14a0e3896917">Exiv2::BasicIo::read()</a>, <a class="el" href="classExiv2_1_1BasicIo.html#a561221bbe1d215b4d6b5ceceaa2e9a97">Exiv2::BasicIo::seek()</a>, and <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a7be38a2e6a5da155aa1d4b6420d15912">Exiv2::FileIo::Impl::switchMode()</a>.</p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="basicio_8hpp.html">basicio.hpp</a></li>
<li>basicio.cpp</li>
</ul>
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