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wstr.h

/*
 *    fhist - file history and comparison tools
 *    Copyright (C) 1998, 2000, 2002 Peter Miller;
 *    All rights reserved.
 *
 *    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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 *
 * MANIFEST: interface definition for common/wstr.c
 */

#ifndef COMMON_WSTR_H
#define COMMON_WSTR_H

#include <ac/stdlib.h>
#include <main.h>

typedef unsigned long wstr_hash_ty;

typedef struct wstring_ty wstring_ty;
struct wstring_ty
{
      wstr_hash_ty      wstr_hash;
      wstring_ty  *wstr_next;
      long        wstr_references;
      size_t            wstr_length;
      wchar_t           wstr_text[1];
};

wstring_ty *wstr_from_c(const char *);
wstring_ty *wstr_from_wc(const wchar_t *);
wstring_ty *wstr_n_from_c(const char *, size_t);
wstring_ty *wstr_n_from_wc(const wchar_t *, size_t);
wstring_ty *wstr_copy(wstring_ty *);
void wstr_free(wstring_ty *);
wstring_ty *wstr_catenate(wstring_ty *, wstring_ty *);
wstring_ty *wstr_cat_three(wstring_ty *, wstring_ty *, wstring_ty *);
wstring_ty *wstr_to_upper(const wstring_ty *);
wstring_ty *wstr_to_lower(const wstring_ty *);
wstring_ty *wstr_to_ident(const wstring_ty *);
void wstr_to_mbs(wstring_ty *, char **, size_t *);
int wstr_equal(wstring_ty *, wstring_ty *);

#ifndef DEBUG
#define wstr_equal(s1, s2) ((s1) == (s2))
#endif

struct string_ty;
struct string_ty *wstr_to_str(wstring_ty *);
wstring_ty *str_to_wstr(struct string_ty *);

#endif /* COMMON_WSTR_H */

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