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&#160;<span id="projectnumber">6.0</span>
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<a href="#pub-static-methods">Static Public Member Functions</a> &#124;
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<div class="title">ON_FileStream Class Reference</div> </div>
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<p><code>#include &lt;<a class="el" href="opennurbs__file__utilities_8h_source.html">opennurbs_file_utilities.h</a>&gt;</code></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:a519b0b8ae279eae9834a3433c11bc54c"><td class="memItemLeft" align="right" valign="top">static int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___file_stream.html#a519b0b8ae279eae9834a3433c11bc54c">Close</a> (FILE *fp)</td></tr>
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<tr class="memitem:a5f69c07a76f7c6d2bb85c2a421a14f30"><td class="memItemLeft" align="right" valign="top">static bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___file_stream.html#a5f69c07a76f7c6d2bb85c2a421a14f30">Flush</a> (FILE *fp)</td></tr>
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<tr class="memitem:a4d41d3911f86a6f203b12622df756d9e"><td class="memItemLeft" align="right" valign="top">static ON__UINT64&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___file_stream.html#a4d41d3911f86a6f203b12622df756d9e">Write</a> (FILE *fp, ON__UINT64 count, const void *buffer)</td></tr>
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<h2 class="groupheader">Member Function Documentation</h2>
<a id="a519b0b8ae279eae9834a3433c11bc54c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a519b0b8ae279eae9834a3433c11bc54c">&#9670;&nbsp;</a></span>Close()</h2>
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<td class="memname">static int ON_FileStream::Close </td>
<td>(</td>
<td class="paramtype">FILE *&#160;</td>
<td class="paramname"><em>fp</em></td><td>)</td>
<td></td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Description: Portable wrapper for C runtime fclose(). Parameters: fp - [in] FILE pointer returned by <a class="el" href="class_o_n___file_stream.html#a09e4b43c9176ae7854ba10e5d21b2923">ON_FileStream::Open()</a>. Returns: 0: successful -1: null fp parameter != 0: fclose() failure code </p>
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<h2 class="memtitle"><span class="permalink"><a href="#add50a7643172810ee33d0d0ecb2f525d">&#9670;&nbsp;</a></span>CurrentPosition()</h2>
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<td class="memname">static ON__INT64 ON_FileStream::CurrentPosition </td>
<td>(</td>
<td class="paramtype">FILE *&#160;</td>
<td class="paramname"><em>fp</em></td><td>)</td>
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<p>Description: Portable wrapper for C runtime ftell(). Parameters: fp - [in] FILE pointer returned by <a class="el" href="class_o_n___file_stream.html#a09e4b43c9176ae7854ba10e5d21b2923">ON_FileStream::Open()</a>. Returns: &gt;= 0: current file position -1: an error occured </p>
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<a id="a5f69c07a76f7c6d2bb85c2a421a14f30"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5f69c07a76f7c6d2bb85c2a421a14f30">&#9670;&nbsp;</a></span>Flush()</h2>
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<td class="memname">static bool ON_FileStream::Flush </td>
<td>(</td>
<td class="paramtype">FILE *&#160;</td>
<td class="paramname"><em>fp</em></td><td>)</td>
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<p>Description: Portable wrapper for C runtime fflush(fp). Parameters: fp - [in] FILE pointer returned by <a class="el" href="class_o_n___file_stream.html#a09e4b43c9176ae7854ba10e5d21b2923">ON_FileStream::Open()</a>. Returns: true if flush was successful. False if an error occured. </p>
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<a id="ac344f0e78881d31fe07aa99f63955700"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac344f0e78881d31fe07aa99f63955700">&#9670;&nbsp;</a></span>GetFileInformation() <span class="overload">[1/3]</span></h2>
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<td class="memname">static bool ON_FileStream::GetFileInformation </td>
<td>(</td>
<td class="paramtype">FILE *&#160;</td>
<td class="paramname"><em>fp</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">ON__UINT64 *&#160;</td>
<td class="paramname"><em>file_size</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">ON__UINT64 *&#160;</td>
<td class="paramname"><em>file_metadata_last_modified_time</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">ON__UINT64 *&#160;</td>
<td class="paramname"><em>file_contents_last_modified_time</em>&#160;</td>
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<td></td>
<td>)</td>
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<p>Description: Portable wrapper for C runtime fstat(). Parameters: fp - [in] FILE pointer returned by <a class="el" href="class_o_n___file_stream.html#a09e4b43c9176ae7854ba10e5d21b2923">ON_FileStream::Open()</a>. file_size - [out] If file_size is not null, the the size of the file in bytes returned here file_metadata_last_modified_time - [out] If file_metadata_last_modified_time is not null, then the time the file's metadata (owner, permissions, ...) were last modified is returned here as the number of seconds since midnight January 1, 1970. file_contents_last_modified_time - [out] If file_contents_last_modified_time is not null, then the time the file's contents were last modified is returned here as the number of seconds since midnight January 1, 1970. Returns: true if the query was successful. False if an error occured. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a33ab4bdb97185c9c2849ab3de2bd2ef9">&#9670;&nbsp;</a></span>GetFileInformation() <span class="overload">[2/3]</span></h2>
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<td class="memname">static bool ON_FileStream::GetFileInformation </td>
<td>(</td>
<td class="paramtype">const wchar_t *&#160;</td>
<td class="paramname"><em>file_name</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">ON__UINT64 *&#160;</td>
<td class="paramname"><em>file_size</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">ON__UINT64 *&#160;</td>
<td class="paramname"><em>file_metadata_last_modified_time</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">ON__UINT64 *&#160;</td>
<td class="paramname"><em>file_contents_last_modified_time</em>&#160;</td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<h2 class="memtitle"><span class="permalink"><a href="#ab53e9d962a923fc1b460a9f4cfda3505">&#9670;&nbsp;</a></span>GetFileInformation() <span class="overload">[3/3]</span></h2>
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<td class="memname">static bool ON_FileStream::GetFileInformation </td>
<td>(</td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>file_name</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">ON__UINT64 *&#160;</td>
<td class="paramname"><em>file_size</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">ON__UINT64 *&#160;</td>
<td class="paramname"><em>file_metadata_last_modified_time</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">ON__UINT64 *&#160;</td>
<td class="paramname"><em>file_contents_last_modified_time</em>&#160;</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a6d9cdf39763ac798065e87777d756cf0">&#9670;&nbsp;</a></span>Is3dmFile() <span class="overload">[1/2]</span></h2>
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<td class="memname">static bool ON_FileStream::Is3dmFile </td>
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<td class="paramtype">const wchar_t *&#160;</td>
<td class="paramname"><em>file_path</em>, </td>
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<p>Returns: True if the file is a 3dm archive. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a6c4125addb09e08fab20dd9c4f9e9bc0">&#9670;&nbsp;</a></span>Is3dmFile() <span class="overload">[2/2]</span></h2>
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<td class="memname">static bool ON_FileStream::Is3dmFile </td>
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<td class="paramtype">bool&#160;</td>
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<p>Returns: True if the file is a 3dm archive. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a09e4b43c9176ae7854ba10e5d21b2923">&#9670;&nbsp;</a></span>Open() <span class="overload">[1/2]</span></h2>
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<td class="memname">static FILE* ON_FileStream::Open </td>
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<td class="paramtype">const wchar_t *&#160;</td>
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<p>Description: Portable wrapper for C runtime fopen(). Parameters: filename - [in] mode - [in] Remarks: Use the <a class="el" href="class_o_n___file_stream.html">ON_FileStream</a> static functions for reading, writing, seeking, position finding with the FILE pointer returned by this function. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8d1c367f44712b6f4c9893fd27b64809">&#9670;&nbsp;</a></span>Open() <span class="overload">[2/2]</span></h2>
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<td class="memname">static FILE* ON_FileStream::Open </td>
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<p>Description: Portable wrapper for C runtime fopen(). Parameters: filename - [in] mode - [in] Remarks: Use the <a class="el" href="class_o_n___file_stream.html">ON_FileStream</a> static functions for reading, writing, seeking, position finding with the FILE pointer returned by this function. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad1d36151bf1f7b2e929bb3c66b75ee84">&#9670;&nbsp;</a></span>Open3dmToRead() <span class="overload">[1/2]</span></h2>
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<td class="memname">static FILE* ON_FileStream::Open3dmToRead </td>
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<td class="paramname"><em>file_path</em></td><td>)</td>
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<p>Description: Open the file and seek to the location where the 3dm archive information begins. Returns: A file stream with the current position at the beginning of the 3dm archive. nullptr if the file is not a 3dm archive. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a5e8096ef66fd340f21ffa74be51a4ed2">&#9670;&nbsp;</a></span>Open3dmToRead() <span class="overload">[2/2]</span></h2>
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<td class="memname">static FILE* ON_FileStream::Open3dmToRead </td>
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<p>Description: Open the file and seek to the location where the 3dm archive information begins. Returns: A file stream with the current position at the beginning of the 3dm archive. nullptr if the file is not a 3dm archive. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1c5b133a8e2dc437b1b3503affe71720">&#9670;&nbsp;</a></span>Read()</h2>
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<td class="memname">static ON__UINT64 ON_FileStream::Read </td>
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<p>Description: Portable wrapper for C runtime fread(buffer,1,count,fp). Parameters: fp - [in] FILE pointer returned by <a class="el" href="class_o_n___file_stream.html#a09e4b43c9176ae7854ba10e5d21b2923">ON_FileStream::Open()</a> count - [in] number of bytes to read. buffer - [out] read bytes are stored in this buffer Returns: number of bytes read </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a66d97d2c066287152be5d9e36774263e">&#9670;&nbsp;</a></span>Seek()</h2>
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<td class="memname">static bool ON_FileStream::Seek </td>
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<p>Description: Portable wrapper for C runtime fseek(fp,offset,origin). Parameters: fp - [in] FILE pointer returned by <a class="el" href="class_o_n___file_stream.html#a09e4b43c9176ae7854ba10e5d21b2923">ON_FileStream::Open()</a>. offset - [in] origin - [in] SEEK_SET (0): seek from beginning of file. <br />
SEEK_CUR (1): seek from current position of file pointer. SEEK_END (2): seek from end of file. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3dda2d298aff228e3b4c140a99f19224">&#9670;&nbsp;</a></span>SeekFromCurrentPosition()</h2>
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<td class="memname">static bool ON_FileStream::SeekFromCurrentPosition </td>
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<p>Description: Portable wrapper for C runtime fseek(fp,offset,SEEK_CUR). Parameters: fp - [in] FILE pointer returned by <a class="el" href="class_o_n___file_stream.html#a09e4b43c9176ae7854ba10e5d21b2923">ON_FileStream::Open()</a>. offset - [in] </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1c32b4d7e7e4848b1e352b0a57bbfda9">&#9670;&nbsp;</a></span>SeekFromEnd()</h2>
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<td class="memname">static bool ON_FileStream::SeekFromEnd </td>
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<p>Description: Portable wrapper for C runtime fseek(fp,offset,SEEK_END). Parameters: fp - [in] FILE pointer returned by <a class="el" href="class_o_n___file_stream.html#a09e4b43c9176ae7854ba10e5d21b2923">ON_FileStream::Open()</a>. offset - [in] </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a6c3cc28af5c0cc7c7e2f473bf0fbafb9">&#9670;&nbsp;</a></span>SeekFromStart()</h2>
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<td class="memname">static bool ON_FileStream::SeekFromStart </td>
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<p>Description: Portable wrapper for C runtime fseek(fp,offset,SEEK_SET). Parameters: fp - [in] FILE pointer returned by <a class="el" href="class_o_n___file_stream.html#a09e4b43c9176ae7854ba10e5d21b2923">ON_FileStream::Open()</a>. offset - [in] </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a4d41d3911f86a6f203b12622df756d9e">&#9670;&nbsp;</a></span>Write()</h2>
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<td class="memname">static ON__UINT64 ON_FileStream::Write </td>
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<p>Description: Portable wrapper for C runtime fwrite(buffer,1,count,fp). Parameters: fp - [in] FILE pointer returned by <a class="el" href="class_o_n___file_stream.html#a09e4b43c9176ae7854ba10e5d21b2923">ON_FileStream::Open()</a> count - [in] number of bytes to write buffer - [in] data to be written Returns: number of bytes written. </p>
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