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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 "gcc.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!
*/
gcc_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.
*/
gcc_pure
const char *
strchug_fast_c(const char *p);
/**
* Same as strchug_fast_c(), but works with a writable pointer.
*/
gcc_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
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