139 lines
5.5 KiB
HTML
139 lines
5.5 KiB
HTML
<!DOCTYPE html>
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<html><head>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<link href="../sqlite.css" rel="stylesheet">
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<title>Add Content To A Dynamic String</title>
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</head>
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<body>
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<!-- keywords: sqlite3_str_append sqlite3_str_appendall sqlite3_str_appendchar sqlite3_str_appendf sqlite3_str_reset sqlite3_str_vappendf -->
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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>Add Content To A Dynamic String</h2>
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</div>
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<blockquote><pre>
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void sqlite3_str_appendf(sqlite3_str*, const char *zFormat, ...);
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void sqlite3_str_vappendf(sqlite3_str*, const char *zFormat, va_list);
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void sqlite3_str_append(sqlite3_str*, const char *zIn, int N);
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void sqlite3_str_appendall(sqlite3_str*, const char *zIn);
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void sqlite3_str_appendchar(sqlite3_str*, int N, char C);
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void sqlite3_str_reset(sqlite3_str*);
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</pre></blockquote>
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<p>
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These interfaces add content to an sqlite3_str object previously obtained
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from <a href="../c3ref/str_new.html">sqlite3_str_new()</a>.</p>
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<p>The <a href="../c3ref/str_append.html">sqlite3_str_appendf(X,F,...)</a> and
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<a href="../c3ref/str_append.html">sqlite3_str_vappendf(X,F,V)</a> interfaces uses the <a href="../printf.html">built-in printf</a>
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functionality of SQLite to append formatted text onto the end of
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<a href="../c3ref/str.html">sqlite3_str</a> object X.</p>
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<p>The <a href="../c3ref/str_append.html">sqlite3_str_append(X,S,N)</a> method appends exactly N bytes from string S
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onto the end of the <a href="../c3ref/str.html">sqlite3_str</a> object X. N must be non-negative.
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S must contain at least N non-zero bytes of content. To append a
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zero-terminated string in its entirety, use the <a href="../c3ref/str_append.html">sqlite3_str_appendall()</a>
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method instead.</p>
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<p>The <a href="../c3ref/str_append.html">sqlite3_str_appendall(X,S)</a> method appends the complete content of
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zero-terminated string S onto the end of <a href="../c3ref/str.html">sqlite3_str</a> object X.</p>
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<p>The <a href="../c3ref/str_append.html">sqlite3_str_appendchar(X,N,C)</a> method appends N copies of the
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single-byte character C onto the end of <a href="../c3ref/str.html">sqlite3_str</a> object X.
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This method can be used, for example, to add whitespace indentation.</p>
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<p>The <a href="../c3ref/str_append.html">sqlite3_str_reset(X)</a> method resets the string under construction
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inside <a href="../c3ref/str.html">sqlite3_str</a> object X back to zero bytes in length.</p>
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<p>These methods do not return a result code. If an error occurs, that fact
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is recorded in the <a href="../c3ref/str.html">sqlite3_str</a> object and can be recovered by a
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subsequent call to <a href="../c3ref/str_errcode.html">sqlite3_str_errcode(X)</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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