Repository navigation
Expand file tree
/
Copy pathmz_os_win32.c
More file actions
346 lines (265 loc) · 8.83 KB
/
Copy pathmz_os_win32.c
File metadata and controls
346 lines (265 loc) · 8.83 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
/* mz_os_win32.c -- System functions for Windows
Version 2.3.8, July 14, 2018
part of the MiniZip project
Copyright (C) 2010-2018 Nathan Moinvaziri
https://github.com/nmoinvaz/minizip
This program is distributed under the terms of the same license as zlib.
See the accompanying LICENSE file for the full text of the license.
*/
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <time.h>
#include <direct.h>
#include <errno.h>
#include <windows.h>
#include <wincrypt.h>
#include "mz.h"
#include "mz_os.h"
#include "mz_os_win32.h"
/***************************************************************************/
#if defined(WINAPI_FAMILY_PARTITION) && (!(defined(MZ_WINRT_API)))
# if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
# define MZ_WINRT_API 1
# endif
#endif
/***************************************************************************/
typedef struct DIR_int_s {
void *find_handle;
WIN32_FIND_DATAW find_data;
struct dirent entry;
uint8_t end;
} DIR_int;
/***************************************************************************/
#if defined(HAVE_PKCRYPT) || defined(HAVE_AES)
int32_t mz_win32_rand(uint8_t *buf, int32_t size)
{
HCRYPTPROV provider;
unsigned __int64 pentium_tsc[1];
int32_t len = 0;
int32_t result = 0;
if (CryptAcquireContext(&provider, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT | CRYPT_SILENT))
{
result = CryptGenRandom(provider, size, buf);
CryptReleaseContext(provider, 0);
if (result)
return size;
}
for (len = 0; len < (int)size; len += 1)
{
if (len % 8 == 0)
QueryPerformanceCounter((LARGE_INTEGER *)pentium_tsc);
buf[len] = ((unsigned char*)pentium_tsc)[len % 8];
}
return len;
}
#endif
wchar_t *mz_win32_unicode_path_create(const char *path)
{
wchar_t *path_wide = NULL;
uint32_t path_wide_size = 0;
path_wide_size = MultiByteToWideChar(CP_UTF8, 0, path, -1, NULL, 0);
path_wide = (wchar_t *)MZ_ALLOC((path_wide_size + 1) * sizeof(wchar_t));
memset(path_wide, 0, sizeof(wchar_t) * (path_wide_size + 1));
MultiByteToWideChar(CP_UTF8, 0, path, -1, path_wide, path_wide_size);
return path_wide;
}
void mz_win32_unicode_path_delete(wchar_t **path)
{
if (path != NULL)
{
MZ_FREE(*path);
*path = NULL;
}
}
int32_t mz_win32_file_exists(const char *path)
{
wchar_t *path_wide = NULL;
DWORD attribs = 0;
path_wide = mz_win32_unicode_path_create(path);
attribs = GetFileAttributesW(path_wide);
mz_win32_unicode_path_delete(&path_wide);
if (attribs == 0xFFFFFFFF)
return MZ_EXIST_ERROR;
return MZ_OK;
}
int64_t mz_win32_get_file_size(const char *path)
{
HANDLE handle = NULL;
LARGE_INTEGER large_size;
wchar_t *path_wide = NULL;
path_wide = mz_win32_unicode_path_create(path);
#ifdef MZ_WINRT_API
handle = CreateFile2W(path_wide, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
#else
handle = CreateFileW(path_wide, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
#endif
mz_win32_unicode_path_delete(&path_wide);
large_size.QuadPart = 0;
if (handle != INVALID_HANDLE_VALUE)
{
GetFileSizeEx(handle, &large_size);
CloseHandle(handle);
}
return large_size.QuadPart;
}
static void mz_win32_file_to_unix_time(FILETIME file_time, time_t *unix_time)
{
uint64_t quad_file_time = 0;
quad_file_time = file_time.dwLowDateTime;
quad_file_time |= ((uint64_t)file_time.dwHighDateTime << 32);
*unix_time = (time_t)((quad_file_time - 116444736000000000LL) / 10000000);
}
static void mz_win32_unix_to_file_time(time_t unix_time, FILETIME *file_time)
{
uint64_t quad_file_time = 0;
quad_file_time = ((uint64_t)unix_time * 10000000) + 116444736000000000LL;
file_time->dwHighDateTime = (quad_file_time >> 32);
file_time->dwLowDateTime = (uint32_t)(quad_file_time);
}
int32_t mz_win32_get_file_date(const char *path, time_t *modified_date, time_t *accessed_date, time_t *creation_date)
{
WIN32_FIND_DATAW ff32;
HANDLE handle = NULL;
wchar_t *path_wide = NULL;
int32_t err = MZ_INTERNAL_ERROR;
path_wide = mz_win32_unicode_path_create(path);
handle = FindFirstFileW(path_wide, &ff32);
MZ_FREE(path_wide);
if (handle != INVALID_HANDLE_VALUE)
{
if (modified_date != NULL)
mz_win32_file_to_unix_time(ff32.ftLastWriteTime, modified_date);
if (accessed_date != NULL)
mz_win32_file_to_unix_time(ff32.ftLastAccessTime, accessed_date);
if (creation_date != NULL)
mz_win32_file_to_unix_time(ff32.ftCreationTime, creation_date);
FindClose(handle);
err = MZ_OK;
}
return err;
}
int32_t mz_win32_set_file_date(const char *path, time_t modified_date, time_t accessed_date, time_t creation_date)
{
HANDLE handle = NULL;
FILETIME ftm_creation, ftm_accessed, ftm_modified;
wchar_t *path_wide = NULL;
int32_t err = MZ_OK;
path_wide = mz_win32_unicode_path_create(path);
#ifdef MZ_WINRT_API
handle = CreateFile2W(path_wide, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
#else
handle = CreateFileW(path_wide, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
#endif
mz_win32_unicode_path_delete(&path_wide);
if (handle != INVALID_HANDLE_VALUE)
{
GetFileTime(handle, &ftm_creation, &ftm_accessed, &ftm_modified);
if (modified_date != 0)
mz_win32_unix_to_file_time(modified_date, &ftm_modified);
if (accessed_date != 0)
mz_win32_unix_to_file_time(accessed_date, &ftm_accessed);
if (creation_date != 0)
mz_win32_unix_to_file_time(creation_date, &ftm_creation);
if (SetFileTime(handle, &ftm_creation, &ftm_accessed, &ftm_modified) == 0)
err = MZ_INTERNAL_ERROR;
CloseHandle(handle);
}
return err;
}
int32_t mz_win32_get_file_attribs(const char *path, uint32_t *attributes)
{
wchar_t *path_wide = NULL;
int32_t err = MZ_OK;
path_wide = mz_win32_unicode_path_create(path);
*attributes = GetFileAttributesW(path_wide);
MZ_FREE(path_wide);
if (*attributes == INVALID_FILE_ATTRIBUTES)
err = MZ_INTERNAL_ERROR;
return err;
}
int32_t mz_win32_set_file_attribs(const char *path, uint32_t attributes)
{
wchar_t *path_wide = NULL;
int32_t err = MZ_OK;
path_wide = mz_win32_unicode_path_create(path);
if (SetFileAttributesW(path_wide, attributes) == 0)
err = MZ_INTERNAL_ERROR;
MZ_FREE(path_wide);
return err;
}
int32_t mz_win32_make_dir(const char *path)
{
wchar_t *path_wide = NULL;
int32_t err = 0;
path_wide = mz_win32_unicode_path_create(path);
err = _wmkdir(path_wide);
mz_win32_unicode_path_delete(&path_wide);
if (err != 0 && errno != EEXIST)
return MZ_INTERNAL_ERROR;
return MZ_OK;
}
DIR *mz_win32_open_dir(const char *path)
{
WIN32_FIND_DATAW find_data;
DIR_int *dir_int = NULL;
wchar_t *path_wide = NULL;
char fixed_path[320];
void *handle = NULL;
fixed_path[0] = 0;
mz_path_combine(fixed_path, path, sizeof(fixed_path));
mz_path_combine(fixed_path, "*", sizeof(fixed_path));
path_wide = mz_win32_unicode_path_create(fixed_path);
handle = FindFirstFileW(path_wide, &find_data);
mz_win32_unicode_path_delete(&path_wide);
if (handle == INVALID_HANDLE_VALUE)
return NULL;
dir_int = (DIR_int *)MZ_ALLOC(sizeof(DIR_int));
dir_int->find_handle = handle;
dir_int->end = 0;
memcpy(&dir_int->find_data, &find_data, sizeof(dir_int->find_data));
return (DIR *)dir_int;
}
struct dirent* mz_win32_read_dir(DIR *dir)
{
DIR_int *dir_int;
if (dir == NULL)
return NULL;
dir_int = (DIR_int *)dir;
if (dir_int->end)
return NULL;
WideCharToMultiByte(CP_UTF8, 0, dir_int->find_data.cFileName, -1,
dir_int->entry.d_name, sizeof(dir_int->entry.d_name), NULL, NULL);
if (FindNextFileW(dir_int->find_handle, &dir_int->find_data) == 0)
{
if (GetLastError() != ERROR_NO_MORE_FILES)
return NULL;
dir_int->end = 1;
}
return &dir_int->entry;
}
int32_t mz_win32_close_dir(DIR *dir)
{
DIR_int *dir_int;
if (dir == NULL)
return MZ_PARAM_ERROR;
dir_int = (DIR_int *)dir;
if (dir_int->find_handle != INVALID_HANDLE_VALUE)
FindClose(dir_int->find_handle);
MZ_FREE(dir_int);
return MZ_OK;
}
int32_t mz_win32_is_dir(const char *path)
{
wchar_t *path_wide = NULL;
uint32_t attribs = 0;
path_wide = mz_win32_unicode_path_create(path);
attribs = GetFileAttributesW(path_wide);
mz_win32_unicode_path_delete(&path_wide);
if (attribs != 0xFFFFFFFF)
{
if (attribs & FILE_ATTRIBUTE_DIRECTORY)
return MZ_OK;
}
return MZ_EXIST_ERROR;
}