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<title>Return The Size Of An Open BLOB</title>
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<a href="../c3ref/intro.html"><h2>SQLite C Interface</h2></a>
<h2>Return The Size Of An Open BLOB</h2>
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<blockquote><pre>
int sqlite3_blob_bytes(sqlite3_blob *);
</pre></blockquote>
<p>
Returns the size in bytes of the BLOB accessible via the
successfully opened <a href="../c3ref/blob.html">BLOB handle</a> in its only argument. The
incremental blob I/O routines can only read or overwriting existing
blob content; they cannot change the size of a blob.</p>
<p>This routine only works on a <a href="../c3ref/blob.html">BLOB handle</a> which has been created
by a prior successful call to <a href="../c3ref/blob_open.html">sqlite3_blob_open()</a> and which has not
been closed by <a href="../c3ref/blob_close.html">sqlite3_blob_close()</a>. Passing any other pointer in
to this routine results in undefined and probably undesirable behavior.
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<a href="../c3ref/objlist.html">Objects</a>,
<a href="../c3ref/constlist.html">Constants</a>, and
<a href="../c3ref/funclist.html">Functions</a>.</p>
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