blob: 5f0b467b6249782ac58f68b36d6cf34c170a8bdb
1 | /* |
2 | * unistr.h - Exports for Unicode string handling. Originated from the Linux-NTFS |
3 | * project. |
4 | * |
5 | * Copyright (c) 2000-2004 Anton Altaparmakov |
6 | * |
7 | * This program/include file is free software; you can redistribute it and/or |
8 | * modify it under the terms of the GNU General Public License as published |
9 | * by the Free Software Foundation; either version 2 of the License, or |
10 | * (at your option) any later version. |
11 | * |
12 | * This program/include file is distributed in the hope that it will be |
13 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
14 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * GNU General Public License for more details. |
16 | * |
17 | * You should have received a copy of the GNU General Public License |
18 | * along with this program (in the main directory of the NTFS-3G |
19 | * distribution in the file COPYING); if not, write to the Free Software |
20 | * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
21 | */ |
22 | |
23 | #ifndef _NTFS_UNISTR_H |
24 | #define _NTFS_UNISTR_H |
25 | |
26 | #include "types.h" |
27 | #include "layout.h" |
28 | |
29 | extern BOOL ntfs_names_are_equal(const ntfschar *s1, size_t s1_len, |
30 | const ntfschar *s2, size_t s2_len, const IGNORE_CASE_BOOL ic, |
31 | const ntfschar *upcase, const u32 upcase_size); |
32 | |
33 | extern int ntfs_names_full_collate(const ntfschar *name1, const u32 name1_len, |
34 | const ntfschar *name2, const u32 name2_len, |
35 | const IGNORE_CASE_BOOL ic, |
36 | const ntfschar *upcase, const u32 upcase_len); |
37 | |
38 | extern int ntfs_ucsncmp(const ntfschar *s1, const ntfschar *s2, size_t n); |
39 | |
40 | extern int ntfs_ucsncasecmp(const ntfschar *s1, const ntfschar *s2, size_t n, |
41 | const ntfschar *upcase, const u32 upcase_size); |
42 | |
43 | extern u32 ntfs_ucsnlen(const ntfschar *s, u32 maxlen); |
44 | |
45 | extern ntfschar *ntfs_ucsndup(const ntfschar *s, u32 maxlen); |
46 | |
47 | extern void ntfs_name_upcase(ntfschar *name, u32 name_len, |
48 | const ntfschar *upcase, const u32 upcase_len); |
49 | |
50 | extern void ntfs_file_value_upcase(FILE_NAME_ATTR *file_name_attr, |
51 | const ntfschar *upcase, const u32 upcase_len); |
52 | |
53 | extern int ntfs_file_values_compare(const FILE_NAME_ATTR *file_name_attr1, |
54 | const FILE_NAME_ATTR *file_name_attr2, |
55 | const int err_val, const IGNORE_CASE_BOOL ic, |
56 | const ntfschar *upcase, const u32 upcase_len); |
57 | |
58 | extern int ntfs_ucstombs(const ntfschar *ins, const int ins_len, char **outs, |
59 | int outs_len); |
60 | extern int ntfs_mbstoucs(const char *ins, ntfschar **outs); |
61 | |
62 | extern void ntfs_upcase_table_build(ntfschar *uc, u32 uc_len); |
63 | |
64 | extern ntfschar *ntfs_str2ucs(const char *s, int *len); |
65 | |
66 | extern void ntfs_ucsfree(ntfschar *ucs); |
67 | |
68 | extern BOOL ntfs_forbidden_chars(const ntfschar *name, int len); |
69 | extern BOOL ntfs_collapsible_chars(ntfs_volume *vol, |
70 | const ntfschar *shortname, int shortlen, |
71 | const ntfschar *longname, int longlen); |
72 | |
73 | extern int ntfs_set_char_encoding(const char *locale); |
74 | |
75 | #if defined(__APPLE__) || defined(__DARWIN__) |
76 | /** |
77 | * Mac OS X only. |
78 | * |
79 | * Sets file name Unicode normalization form conversion on or off. |
80 | * normalize=0 : Off |
81 | * normalize=1 : On |
82 | * If set to on, all filenames returned by ntfs-3g will be converted to the NFD |
83 | * normalization form, while all filenames recieved by ntfs-3g will be converted to the NFC |
84 | * normalization form. Since Windows and most other OS:es use the NFC form while Mac OS X |
85 | * mostly uses NFD, this conversion increases compatibility between Mac applications and |
86 | * NTFS-3G. |
87 | * |
88 | * @param normalize decides whether or not the string functions will do automatic filename |
89 | * normalization when converting to and from UTF-8. 0 means normalization is disabled, |
90 | * 1 means it is enabled. |
91 | * @return -1 if the argument was invalid or an error occurred, 0 if all went well. |
92 | */ |
93 | extern int ntfs_macosx_normalize_filenames(int normalize); |
94 | |
95 | /** |
96 | * Mac OS X only. |
97 | * |
98 | * Normalizes the input string "utf8_string" to one of the normalization forms NFD or NFC. |
99 | * The parameter "composed" decides whether output should be in composed, NFC, form |
100 | * (composed == 1) or decomposed, NFD, form (composed == 0). |
101 | * Input is assumed to be properly UTF-8 encoded and null-terminated. Output will be a newly |
102 | * ntfs_calloc'ed string encoded in UTF-8. It is the callers responsibility to free(...) the |
103 | * allocated string when it's no longer needed. |
104 | * |
105 | * @param utf8_string the input string, which may be in any normalization form. |
106 | * @param target a pointer where the resulting string will be stored. |
107 | * @param composed decides which composition form to normalize the input string to. 0 means |
108 | * composed form (NFC), 1 means decomposed form (NFD). |
109 | * @return -1 if the normalization failed for some reason, otherwise the length of the |
110 | * normalized string stored in target. |
111 | */ |
112 | extern int ntfs_macosx_normalize_utf8(const char *utf8_string, char **target, int composed); |
113 | #endif /* defined(__APPLE__) || defined(__DARWIN__) */ |
114 | |
115 | #endif /* defined _NTFS_UNISTR_H */ |
116 | |
117 |