127 lines
4.9 KiB
HTML
127 lines
4.9 KiB
HTML
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<title>Create A New Dynamic String Object</title>
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<!-- keywords: sqlite3_str_new -->
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<div class=nosearch>
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<a href="intro.html"><h2>SQLite C Interface</h2></a>
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<h2>Create A New Dynamic String Object</h2>
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</div>
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<blockquote><pre>
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sqlite3_str *sqlite3_str_new(sqlite3*);
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</pre></blockquote>
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<p>
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The <a href="../c3ref/str_new.html">sqlite3_str_new(D)</a> interface allocates and initializes
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a new <a href="../c3ref/str.html">sqlite3_str</a> object. To avoid memory leaks, the object returned by
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<a href="../c3ref/str_new.html">sqlite3_str_new()</a> must be freed by a subsequent call to
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<a href="../c3ref/str_finish.html">sqlite3_str_finish(X)</a>.</p>
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<p>The <a href="../c3ref/str_new.html">sqlite3_str_new(D)</a> interface always returns a pointer to a
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valid <a href="../c3ref/str.html">sqlite3_str</a> object, though in the event of an out-of-memory
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error the returned object might be a special singleton that will
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silently reject new text, always return SQLITE_NOMEM from
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<a href="../c3ref/str_errcode.html">sqlite3_str_errcode()</a>, always return 0 for
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<a href="../c3ref/str_errcode.html">sqlite3_str_length()</a>, and always return NULL from
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<a href="../c3ref/str_finish.html">sqlite3_str_finish(X)</a>. It is always safe to use the value
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returned by <a href="../c3ref/str_new.html">sqlite3_str_new(D)</a> as the sqlite3_str parameter
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to any of the other <a href="../c3ref/str.html">sqlite3_str</a> methods.</p>
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<p>The D parameter to <a href="../c3ref/str_new.html">sqlite3_str_new(D)</a> may be NULL. If the
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D parameter in <a href="../c3ref/str_new.html">sqlite3_str_new(D)</a> is not NULL, then the maximum
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length of the string contained in the <a href="../c3ref/str.html">sqlite3_str</a> object will be
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the value set for <a href="../c3ref/limit.html">sqlite3_limit</a>(D,<a href="../c3ref/c_limit_attached.html#sqlitelimitlength">SQLITE_LIMIT_LENGTH</a>) instead
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of <a href="../limits.html#max_length">SQLITE_MAX_LENGTH</a>.
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</p><p>See also lists of
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<a href="objlist.html">Objects</a>,
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<a href="constlist.html">Constants</a>, and
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<a href="funclist.html">Functions</a>.</p>
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