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+/*
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_STRING_UTIL_H
+#define MPD_STRING_UTIL_H
+
+#include <glib.h>
+
+#include <stdbool.h>
+
+/**
+ * Remove the "const" attribute from a string pointer. This is a
+ * dirty hack, don't use it unless you know what you're doing!
+ */
+G_GNUC_CONST
+static inline char *
+deconst_string(const char *p)
+{
+ union {
+ const char *in;
+ char *out;
+ } u = {
+ .in = p,
+ };
+
+ return u.out;
+}
+
+/**
+ * Returns a pointer to the first non-whitespace character in the
+ * string, or to the end of the string.
+ *
+ * This is a faster version of g_strchug(), because it does not move
+ * data.
+ */
+G_GNUC_PURE
+const char *
+strchug_fast_c(const char *p);
+
+/**
+ * Same as strchug_fast_c(), but works with a writable pointer.
+ */
+G_GNUC_PURE
+static inline char *
+strchug_fast(char *p)
+{
+ return deconst_string(strchug_fast_c(p));
+}
+
+/**
+ * Checks whether a string array contains the specified string.
+ *
+ * @param haystack a NULL terminated list of strings
+ * @param needle the string to search for; the comparison is
+ * case-insensitive for ASCII characters
+ * @return true if found
+ */
+bool
+string_array_contains(const char *const* haystack, const char *needle);
+
+#endif