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119 lines
4.8 KiB
C
119 lines
4.8 KiB
C
/*
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* unistr.h - Exports for Unicode string handling. Originated from the Linux-NTFS
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* project.
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*
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* Copyright (c) 2000-2004 Anton Altaparmakov
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*
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* This program/include file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program/include file is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program (in the main directory of the NTFS-3G
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* distribution in the file COPYING); if not, write to the Free Software
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* Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _NTFS_UNISTR_H
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#define _NTFS_UNISTR_H
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#include "types.h"
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#include "layout.h"
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extern BOOL ntfs_names_are_equal(const ntfschar *s1, size_t s1_len,
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const ntfschar *s2, size_t s2_len, const IGNORE_CASE_BOOL ic,
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const ntfschar *upcase, const u32 upcase_size);
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extern int ntfs_names_full_collate(const ntfschar *name1, const u32 name1_len,
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const ntfschar *name2, const u32 name2_len,
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const IGNORE_CASE_BOOL ic,
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const ntfschar *upcase, const u32 upcase_len);
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extern int ntfs_ucsncmp(const ntfschar *s1, const ntfschar *s2, size_t n);
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extern int ntfs_ucsncasecmp(const ntfschar *s1, const ntfschar *s2, size_t n,
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const ntfschar *upcase, const u32 upcase_size);
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extern u32 ntfs_ucsnlen(const ntfschar *s, u32 maxlen);
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extern ntfschar *ntfs_ucsndup(const ntfschar *s, u32 maxlen);
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extern void ntfs_name_upcase(ntfschar *name, u32 name_len,
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const ntfschar *upcase, const u32 upcase_len);
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extern void ntfs_name_locase(ntfschar *name, u32 name_len,
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const ntfschar *locase, const u32 locase_len);
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extern void ntfs_file_value_upcase(FILE_NAME_ATTR *file_name_attr,
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const ntfschar *upcase, const u32 upcase_len);
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extern int ntfs_ucstombs(const ntfschar *ins, const int ins_len, char **outs,
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int outs_len);
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extern int ntfs_mbstoucs(const char *ins, ntfschar **outs);
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extern char *ntfs_uppercase_mbs(const char *low,
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const ntfschar *upcase, u32 upcase_len);
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extern void ntfs_upcase_table_build(ntfschar *uc, u32 uc_len);
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extern ntfschar *ntfs_locase_table_build(const ntfschar *uc, u32 uc_cnt);
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extern ntfschar *ntfs_str2ucs(const char *s, int *len);
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extern void ntfs_ucsfree(ntfschar *ucs);
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extern BOOL ntfs_forbidden_chars(const ntfschar *name, int len);
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extern BOOL ntfs_collapsible_chars(ntfs_volume *vol,
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const ntfschar *shortname, int shortlen,
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const ntfschar *longname, int longlen);
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extern int ntfs_set_char_encoding(const char *locale);
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#if defined(__APPLE__) || defined(__DARWIN__)
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/**
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* Mac OS X only.
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*
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* Sets file name Unicode normalization form conversion on or off.
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* normalize=0 : Off
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* normalize=1 : On
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* If set to on, all filenames returned by ntfs-3g will be converted to the NFD
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* normalization form, while all filenames recieved by ntfs-3g will be converted to the NFC
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* normalization form. Since Windows and most other OS:es use the NFC form while Mac OS X
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* mostly uses NFD, this conversion increases compatibility between Mac applications and
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* NTFS-3G.
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*
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* @param normalize decides whether or not the string functions will do automatic filename
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* normalization when converting to and from UTF-8. 0 means normalization is disabled,
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* 1 means it is enabled.
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* @return -1 if the argument was invalid or an error occurred, 0 if all went well.
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*/
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extern int ntfs_macosx_normalize_filenames(int normalize);
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/**
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* Mac OS X only.
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*
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* Normalizes the input string "utf8_string" to one of the normalization forms NFD or NFC.
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* The parameter "composed" decides whether output should be in composed, NFC, form
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* (composed == 1) or decomposed, NFD, form (composed == 0).
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* Input is assumed to be properly UTF-8 encoded and null-terminated. Output will be a newly
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* ntfs_calloc'ed string encoded in UTF-8. It is the callers responsibility to free(...) the
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* allocated string when it's no longer needed.
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*
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* @param utf8_string the input string, which may be in any normalization form.
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* @param target a pointer where the resulting string will be stored.
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* @param composed decides which composition form to normalize the input string to. 0 means
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* composed form (NFC), 1 means decomposed form (NFD).
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* @return -1 if the normalization failed for some reason, otherwise the length of the
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* normalized string stored in target.
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*/
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extern int ntfs_macosx_normalize_utf8(const char *utf8_string, char **target, int composed);
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#endif /* defined(__APPLE__) || defined(__DARWIN__) */
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#endif /* defined _NTFS_UNISTR_H */
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