usbloadergx/source/libntfs/unistr.h
2009-12-19 14:06:57 +00:00

117 lines
4.7 KiB
C

/*
* unistr.h - Exports for Unicode string handling. Originated from the Linux-NTFS
* project.
*
* Copyright (c) 2000-2004 Anton Altaparmakov
*
* This program/include file 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/include file 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 (in the main directory of the NTFS-3G
* distribution in the file COPYING); if not, write to the Free Software
* Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _NTFS_UNISTR_H
#define _NTFS_UNISTR_H
#include "types.h"
#include "layout.h"
extern BOOL ntfs_names_are_equal(const ntfschar *s1, size_t s1_len,
const ntfschar *s2, size_t s2_len, const IGNORE_CASE_BOOL ic,
const ntfschar *upcase, const u32 upcase_size);
extern int ntfs_names_collate(const ntfschar *name1, const u32 name1_len,
const ntfschar *name2, const u32 name2_len,
const int err_val, const IGNORE_CASE_BOOL ic,
const ntfschar *upcase, const u32 upcase_len);
extern int ntfs_ucsncmp(const ntfschar *s1, const ntfschar *s2, size_t n);
extern int ntfs_ucsncasecmp(const ntfschar *s1, const ntfschar *s2, size_t n,
const ntfschar *upcase, const u32 upcase_size);
extern u32 ntfs_ucsnlen(const ntfschar *s, u32 maxlen);
extern ntfschar *ntfs_ucsndup(const ntfschar *s, u32 maxlen);
extern void ntfs_name_upcase(ntfschar *name, u32 name_len,
const ntfschar *upcase, const u32 upcase_len);
extern void ntfs_file_value_upcase(FILE_NAME_ATTR *file_name_attr,
const ntfschar *upcase, const u32 upcase_len);
extern int ntfs_file_values_compare(const FILE_NAME_ATTR *file_name_attr1,
const FILE_NAME_ATTR *file_name_attr2,
const int err_val, const IGNORE_CASE_BOOL ic,
const ntfschar *upcase, const u32 upcase_len);
extern int ntfs_ucstombs(const ntfschar *ins, const int ins_len, char **outs,
int outs_len);
extern int ntfs_mbstoucs(const char *ins, ntfschar **outs);
extern void ntfs_upcase_table_build(ntfschar *uc, u32 uc_len);
extern ntfschar *ntfs_str2ucs(const char *s, int *len);
extern void ntfs_ucsfree(ntfschar *ucs);
extern BOOL ntfs_forbidden_chars(const ntfschar *name, int len);
extern BOOL ntfs_collapsible_chars(ntfs_volume *vol,
const ntfschar *shortname, int shortlen,
const ntfschar *longname, int longlen);
extern int ntfs_set_char_encoding(const char *locale);
#if defined(__APPLE__) || defined(__DARWIN__)
/**
* Mac OS X only.
*
* Sets file name Unicode normalization form conversion on or off.
* normalize=0 : Off
* normalize=1 : On
* If set to on, all filenames returned by ntfs-3g will be converted to the NFD
* normalization form, while all filenames recieved by ntfs-3g will be converted to the NFC
* normalization form. Since Windows and most other OS:es use the NFC form while Mac OS X
* mostly uses NFD, this conversion increases compatibility between Mac applications and
* NTFS-3G.
*
* @param normalize decides whether or not the string functions will do automatic filename
* normalization when converting to and from UTF-8. 0 means normalization is disabled,
* 1 means it is enabled.
* @return -1 if the argument was invalid or an error occurred, 0 if all went well.
*/
extern int ntfs_macosx_normalize_filenames(int normalize);
/**
* Mac OS X only.
*
* Normalizes the input string "utf8_string" to one of the normalization forms NFD or NFC.
* The parameter "composed" decides whether output should be in composed, NFC, form
* (composed == 1) or decomposed, NFD, form (composed == 0).
* Input is assumed to be properly UTF-8 encoded and null-terminated. Output will be a newly
* ntfs_calloc'ed string encoded in UTF-8. It is the callers responsibility to free(...) the
* allocated string when it's no longer needed.
*
* @param utf8_string the input string, which may be in any normalization form.
* @param target a pointer where the resulting string will be stored.
* @param composed decides which composition form to normalize the input string to. 0 means
* composed form (NFC), 1 means decomposed form (NFD).
* @return -1 if the normalization failed for some reason, otherwise the length of the
* normalized string stored in target.
*/
extern int ntfs_macosx_normalize_utf8(const char *utf8_string, char **target, int composed);
#endif /* defined(__APPLE__) || defined(__DARWIN__) */
#endif /* defined _NTFS_UNISTR_H */