ce188d4d |
1 | /* libFLAC - Free Lossless Audio Codec library |
2 | * Copyright (C) 2013-2016 Xiph.Org Foundation |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * |
8 | * - Redistributions of source code must retain the above copyright |
9 | * notice, this list of conditions and the following disclaimer. |
10 | * |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
14 | * |
15 | * - Neither the name of the Xiph.org Foundation nor the names of its |
16 | * contributors may be used to endorse or promote products derived from |
17 | * this software without specific prior written permission. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR |
23 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
25 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
26 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
27 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #ifdef HAVE_CONFIG_H |
33 | # include <config.h> |
34 | #endif |
35 | |
36 | #include <io.h> |
37 | #include "share/windows_unicode_filenames.h" |
38 | |
39 | /* convert UTF-8 back to WCHAR. Caller is responsible for freeing memory */ |
40 | static wchar_t *wchar_from_utf8(const char *str) |
41 | { |
42 | wchar_t *widestr; |
43 | int len; |
44 | |
45 | if (!str) |
46 | return NULL; |
47 | if ((len = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0)) == 0) |
48 | return NULL; |
49 | if ((widestr = (wchar_t *)malloc(len*sizeof(wchar_t))) == NULL) |
50 | return NULL; |
51 | if (MultiByteToWideChar(CP_UTF8, 0, str, -1, widestr, len) == 0) { |
52 | free(widestr); |
53 | widestr = NULL; |
54 | } |
55 | |
56 | return widestr; |
57 | } |
58 | |
59 | |
60 | static FLAC__bool utf8_filenames = false; |
61 | |
62 | |
63 | void flac_internal_set_utf8_filenames(FLAC__bool flag) |
64 | { |
65 | utf8_filenames = flag ? true : false; |
66 | } |
67 | |
68 | FLAC__bool flac_internal_get_utf8_filenames(void) |
69 | { |
70 | return utf8_filenames; |
71 | } |
72 | |
73 | /* file functions */ |
74 | |
75 | FILE* flac_internal_fopen_utf8(const char *filename, const char *mode) |
76 | { |
77 | if (!utf8_filenames) { |
78 | return fopen(filename, mode); |
79 | } else { |
80 | wchar_t *wname = NULL; |
81 | wchar_t *wmode = NULL; |
82 | FILE *f = NULL; |
83 | |
84 | do { |
85 | if (!(wname = wchar_from_utf8(filename))) break; |
86 | if (!(wmode = wchar_from_utf8(mode))) break; |
87 | f = _wfopen(wname, wmode); |
88 | } while(0); |
89 | |
90 | free(wname); |
91 | free(wmode); |
92 | |
93 | return f; |
94 | } |
95 | } |
96 | |
97 | int flac_internal_stat64_utf8(const char *path, struct __stat64 *buffer) |
98 | { |
99 | if (!utf8_filenames) { |
100 | return _stat64(path, buffer); |
101 | } else { |
102 | wchar_t *wpath; |
103 | int ret; |
104 | |
105 | if (!(wpath = wchar_from_utf8(path))) return -1; |
106 | ret = _wstat64(wpath, buffer); |
107 | free(wpath); |
108 | |
109 | return ret; |
110 | } |
111 | } |
112 | |
113 | int flac_internal_chmod_utf8(const char *filename, int pmode) |
114 | { |
115 | if (!utf8_filenames) { |
116 | return _chmod(filename, pmode); |
117 | } else { |
118 | wchar_t *wname; |
119 | int ret; |
120 | |
121 | if (!(wname = wchar_from_utf8(filename))) return -1; |
122 | ret = _wchmod(wname, pmode); |
123 | free(wname); |
124 | |
125 | return ret; |
126 | } |
127 | } |
128 | |
129 | int flac_internal_utime_utf8(const char *filename, struct utimbuf *times) |
130 | { |
131 | if (!utf8_filenames) { |
132 | return utime(filename, times); |
133 | } else { |
134 | wchar_t *wname; |
135 | struct __utimbuf64 ut; |
136 | int ret; |
137 | |
138 | if (!(wname = wchar_from_utf8(filename))) return -1; |
139 | ut.actime = times->actime; |
140 | ut.modtime = times->modtime; |
141 | ret = _wutime64(wname, &ut); |
142 | free(wname); |
143 | |
144 | return ret; |
145 | } |
146 | } |
147 | |
148 | int flac_internal_unlink_utf8(const char *filename) |
149 | { |
150 | if (!utf8_filenames) { |
151 | return _unlink(filename); |
152 | } else { |
153 | wchar_t *wname; |
154 | int ret; |
155 | |
156 | if (!(wname = wchar_from_utf8(filename))) return -1; |
157 | ret = _wunlink(wname); |
158 | free(wname); |
159 | |
160 | return ret; |
161 | } |
162 | } |
163 | |
164 | int flac_internal_rename_utf8(const char *oldname, const char *newname) |
165 | { |
166 | if (!utf8_filenames) { |
167 | return rename(oldname, newname); |
168 | } else { |
169 | wchar_t *wold = NULL; |
170 | wchar_t *wnew = NULL; |
171 | int ret = -1; |
172 | |
173 | do { |
174 | if (!(wold = wchar_from_utf8(oldname))) break; |
175 | if (!(wnew = wchar_from_utf8(newname))) break; |
176 | ret = _wrename(wold, wnew); |
177 | } while(0); |
178 | |
179 | free(wold); |
180 | free(wnew); |
181 | |
182 | return ret; |
183 | } |
184 | } |
185 | |
186 | HANDLE WINAPI flac_internal_CreateFile_utf8(const char *lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode, LPSECURITY_ATTRIBUTES lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile) |
187 | { |
188 | #if _MSC_VER > 1900 && WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) |
189 | wchar_t *wname; |
190 | HANDLE handle = INVALID_HANDLE_VALUE; |
191 | |
192 | if ((wname = wchar_from_utf8(lpFileName)) != NULL) { |
193 | |
194 | handle = CreateFile2(wname, dwDesiredAccess, dwShareMode, CREATE_ALWAYS, NULL); |
195 | free(wname); |
196 | } |
197 | |
198 | return handle; |
199 | #else |
200 | if (!utf8_filenames) { |
201 | return CreateFileA(lpFileName, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile); |
202 | } else { |
203 | wchar_t *wname; |
204 | HANDLE handle = INVALID_HANDLE_VALUE; |
205 | |
206 | if ((wname = wchar_from_utf8(lpFileName)) != NULL) { |
207 | handle = CreateFileW(wname, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile); |
208 | free(wname); |
209 | } |
210 | |
211 | return handle; |
212 | } |
213 | #endif |
214 | } |