Elliott Hughes | ae0e7bc | 2018-01-12 14:46:04 -0800 | [diff] [blame] | 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 (!utf8_filenames) { |
| 189 | return CreateFileA(lpFileName, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile); |
| 190 | } else { |
| 191 | wchar_t *wname; |
| 192 | HANDLE handle = INVALID_HANDLE_VALUE; |
| 193 | |
| 194 | if ((wname = wchar_from_utf8(lpFileName)) != NULL) { |
| 195 | handle = CreateFileW(wname, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile); |
| 196 | free(wname); |
| 197 | } |
| 198 | |
| 199 | return handle; |
| 200 | } |
| 201 | } |