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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"><title>Glob-style pattern matching</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"><link rel="start" href="index.html" title="GLib Reference Manual"><link rel="up" href="glib-utilities.html" title="GLib Utilities"><link rel="prev" href="glib-Commandline-option-parser.html" title="Commandline option parser"><link rel="next" href="glib-Perl-compatible-regular-expressions.html" title="Perl-compatible regular expressions"><meta name="generator" content="GTK-Doc V1.9 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="chapter" href="glib.html" title="GLib Overview"><link rel="chapter" href="glib-fundamentals.html" title="GLib Fundamentals"><link rel="chapter" href="glib-core.html" title="GLib Core Application Support"><link rel="chapter" href="glib-utilities.html" title="GLib Utilities"><link rel="chapter" href="glib-data-types.html" title="GLib Data Types"><link rel="chapter" href="tools.html" title="GLib Tools"><link rel="index" href="ix01.html" title="Index"><link rel="index" href="ix02.html" title="Index of deprecated symbols"><link rel="index" href="ix03.html" title="Index of new symbols in 2.2"><link rel="index" href="ix04.html" title="Index of new symbols in 2.4"><link rel="index" href="ix05.html" title="Index of new symbols in 2.6"><link rel="index" href="ix06.html" title="Index of new symbols in 2.8"><link rel="index" href="ix07.html" title="Index of new symbols in 2.10"><link rel="index" href="ix08.html" title="Index of new symbols in 2.12"><link rel="index" href="ix09.html" title="Index of new symbols in 2.14"><link rel="index" href="ix10.html" title="Index of new symbols in 2.16"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="glib-Commandline-option-parser.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="glib-utilities.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">GLib Reference Manual</th><td><a accesskey="n" href="glib-Perl-compatible-regular-expressions.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr><tr><td colspan="5" class="shortcuts"><nobr><a href="#id3140370" class="shortcut">Top</a>  |  <a href="#id3140579" class="shortcut">Description</a></nobr></td></tr></table><div class="refentry" lang="en"><a name="glib-Glob-style-pattern-matching"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><a name="id3140370"></a><span class="refentrytitle">Glob-style pattern matching</span></h2><p>Glob-style pattern matching — matches strings against patterns containing '*' (wildcard) and '?' (joker)</p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">#include <glib.h> <a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec">GPatternSpec</a>;<a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec">GPatternSpec</a>* <a class="link" href="glib-Glob-style-pattern-matching.html#g-pattern-spec-new">g_pattern_spec_new</a> (const <a class="link" href="glib-Basic-Types.html#gchar">gchar</a> *pattern);void <a class="link" href="glib-Glob-style-pattern-matching.html#g-pattern-spec-free">g_pattern_spec_free</a> (<a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec">GPatternSpec</a> *pspec);<a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="glib-Glob-style-pattern-matching.html#g-pattern-spec-equal">g_pattern_spec_equal</a> (<a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec">GPatternSpec</a> *pspec1, <a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec">GPatternSpec</a> *pspec2);<a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="glib-Glob-style-pattern-matching.html#g-pattern-match">g_pattern_match</a> (<a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec">GPatternSpec</a> *pspec, <a class="link" href="glib-Basic-Types.html#guint">guint</a> string_length, const <a class="link" href="glib-Basic-Types.html#gchar">gchar</a> *string, const <a class="link" href="glib-Basic-Types.html#gchar">gchar</a> *string_reversed);<a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="glib-Glob-style-pattern-matching.html#g-pattern-match-string">g_pattern_match_string</a> (<a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec">GPatternSpec</a> *pspec, const <a class="link" href="glib-Basic-Types.html#gchar">gchar</a> *string);<a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="glib-Glob-style-pattern-matching.html#g-pattern-match-simple">g_pattern_match_simple</a> (const <a class="link" href="glib-Basic-Types.html#gchar">gchar</a> *pattern, const <a class="link" href="glib-Basic-Types.html#gchar">gchar</a> *string);</pre></div><div class="refsect1" lang="en"><a name="id3140579"></a><h2>Description</h2><p>The <code class="function">g_pattern_match*</code> functions match a string against a pattern containing '*' and '?' wildcards with similar semantics as the standard <code class="function">glob()</code> function: '*' matches an arbitrary, possibly empty, string, '?' matches an arbitrary character.</p><p>Note that in contrast to <code class="function">glob()</code>, the '/' character <span class="emphasis"><em>can</em></span> be matched by the wildcards, there are no '[...]' character ranges and '*' and '?' can <span class="emphasis"><em>not</em></span> be escaped to include them literally in a pattern. </p><p>When multiple strings must be matched against the same pattern, it is better to compile the pattern to a <a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec"><span class="type">GPatternSpec</span></a> using <a class="link" href="glib-Glob-style-pattern-matching.html#g-pattern-spec-new"><code class="function">g_pattern_spec_new()</code></a> and use <a class="link" href="glib-Glob-style-pattern-matching.html#g-pattern-match-string"><code class="function">g_pattern_match_string()</code></a> instead of <a class="link" href="glib-Glob-style-pattern-matching.html#g-pattern-match-simple"><code class="function">g_pattern_match_simple()</code></a>. This avoids the overhead of repeated pattern compilation.</p></div><div class="refsect1" lang="en"><a name="id3140685"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id3140696"></a><h3><a name="GPatternSpec"></a>GPatternSpec</h3><a class="indexterm" name="id3140708"></a><pre class="programlisting">typedef struct _GPatternSpec GPatternSpec;</pre><p>A <span class="structname">GPatternSpec</span> is the 'compiled' form of a pattern.This structure is opaque and its fields cannot be accessed directly.</p></div><hr><div class="refsect2" lang="en"><a name="id3140729"></a><h3><a name="g-pattern-spec-new"></a>g_pattern_spec_new ()</h3><a class="indexterm" name="id3140742"></a><pre class="programlisting"><a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec">GPatternSpec</a>* g_pattern_spec_new (const <a class="link" href="glib-Basic-Types.html#gchar">gchar</a> *pattern);</pre><p>Compiles a pattern to a <a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec"><span class="type">GPatternSpec</span></a>.</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><p><span class="term"><em class="parameter"><code>pattern</code></em> :</span></p></td><td>a zero-terminated UTF-8 encoded string</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>a newly-allocated <a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec"><span class="type">GPatternSpec</span></a></td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id3140817"></a><h3><a name="g-pattern-spec-free"></a>g_pattern_spec_free ()</h3><a class="indexterm" name="id3140830"></a><pre class="programlisting">void g_pattern_spec_free (<a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec">GPatternSpec</a> *pspec);</pre><p>Frees the memory allocated for the <a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec"><span class="type">GPatternSpec</span></a>.</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><p><span class="term"><em class="parameter"><code>pspec</code></em> :</span></p></td><td>a <a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec"><span class="type">GPatternSpec</span></a></td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id3140893"></a><h3><a name="g-pattern-spec-equal"></a>g_pattern_spec_equal ()</h3><a class="indexterm" name="id3140906"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a> g_pattern_spec_equal (<a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec">GPatternSpec</a> *pspec1, <a class="link" href="glib-Glob-style-pattern-matching.html#GPatternSpec">GPatternSpec</a> *pspec2);</pre><p>Compares two compiled pattern specs and returns whether theywill match the same set of strings.</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody>?? 快捷鍵說明
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