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
|
#include <errno.h>
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#include "unistd_wrapper.h"
#include "platform.h"
#ifdef OF_WII
# define BOOL OGC_BOOL
# include <fat.h>
# undef BOOL
#endif
#ifdef OF_NINTENDO_DS
# include <stdbool.h>
# include <filesystem.h>
#endif
#import "OFFile.h"
#import "OFString.h"
#import "OFLocalization.h"
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFSeekFailedException.h"
#import "OFWriteFailedException.h"
#ifdef OF_WINDOWS
# include <windows.h>
#endif
#ifndef O_BINARY
# define O_BINARY 0
#endif
#ifndef O_CLOEXEC
# define O_CLOEXEC 0
#endif
#ifndef O_EXLOCK
# define O_EXLOCK 0
#endif
#ifndef S_IRGRP
# define S_IRGRP 0
#endif
#ifndef S_IROTH
# define S_IROTH 0
#endif
#ifndef S_IWGRP
# define S_IWGRP 0
#endif
#ifndef S_IWOTH
# define S_IWOTH 0
#endif
#define DEFAULT_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH
static int
parseMode(const char *mode)
{
if (strcmp(mode, "r") == 0)
return O_RDONLY;
if (strcmp(mode, "w") == 0)
return O_WRONLY | O_CREAT | O_TRUNC;
|
<
<
<
<
<
<
<
<
<
<
<
<
<
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
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
|
#include <errno.h>
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#include "unistd_wrapper.h"
#import "OFFile.h"
#import "OFString.h"
#import "OFLocalization.h"
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFSeekFailedException.h"
#import "OFWriteFailedException.h"
#ifdef OF_WINDOWS
# include <windows.h>
#endif
#if defined(OF_MORPHOS) && !defined(OF_IXEMUL)
# define BOOL EXEC_BOOL
# include <proto/dos.h>
# undef BOOL
# define INVALID_FD 0
# define close(fd) Close(fd)
#endif
#ifdef OF_WII
# define BOOL OGC_BOOL
# include <fat.h>
# undef BOOL
#endif
#ifdef OF_NINTENDO_DS
# include <stdbool.h>
# include <filesystem.h>
#endif
#ifndef INVALID_FD
# define INVALID_FD -1
#endif
#ifndef O_BINARY
# define O_BINARY 0
#endif
#ifndef O_CLOEXEC
# define O_CLOEXEC 0
#endif
#ifndef O_EXCL
# define O_EXCL 0
#endif
#ifndef O_EXLOCK
# define O_EXLOCK 0
#endif
#ifndef S_IRGRP
# define S_IRGRP 0
#endif
#ifndef S_IROTH
# define S_IROTH 0
#endif
#ifndef S_IWGRP
# define S_IWGRP 0
#endif
#ifndef S_IWOTH
# define S_IWOTH 0
#endif
#define DEFAULT_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH
#if !defined(OF_MORPHOS) || defined(OF_IXEMUL)
static int
parseMode(const char *mode)
{
if (strcmp(mode, "r") == 0)
return O_RDONLY;
if (strcmp(mode, "w") == 0)
return O_WRONLY | O_CREAT | O_TRUNC;
|
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
if (strcmp(mode, "w+bx") == 0 || strcmp(mode, "wb+x") == 0)
return O_RDWR | O_CREAT | O_EXCL | O_EXLOCK;
if (strcmp(mode, "ab+") == 0 || strcmp(mode, "a+b") == 0)
return O_RDWR | O_CREAT | O_APPEND | O_BINARY;
return -1;
}
@implementation OFFile
+ (void)initialize
{
if (self != [OFFile class])
return;
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
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
|
if (strcmp(mode, "w+bx") == 0 || strcmp(mode, "wb+x") == 0)
return O_RDWR | O_CREAT | O_EXCL | O_EXLOCK;
if (strcmp(mode, "ab+") == 0 || strcmp(mode, "a+b") == 0)
return O_RDWR | O_CREAT | O_APPEND | O_BINARY;
return -1;
}
#else
static int
parseMode(const char *mode, bool *append)
{
if (strcmp(mode, "r") == 0)
return MODE_OLDFILE;
if (strcmp(mode, "w") == 0)
return MODE_NEWFILE;
if (strcmp(mode, "wx") == 0)
return MODE_NEWFILE;
if (strcmp(mode, "a") == 0) {
*append = true;
return MODE_READWRITE;
}
if (strcmp(mode, "rb") == 0)
return MODE_OLDFILE;
if (strcmp(mode, "wb") == 0)
return MODE_NEWFILE;
if (strcmp(mode, "wbx") == 0)
return MODE_NEWFILE;
if (strcmp(mode, "ab") == 0) {
*append = true;
return MODE_READWRITE;
}
if (strcmp(mode, "r+") == 0)
return MODE_OLDFILE;
if (strcmp(mode, "w+") == 0)
return MODE_NEWFILE;
if (strcmp(mode, "a+") == 0) {
*append = true;
return MODE_READWRITE;
}
if (strcmp(mode, "r+b") == 0 || strcmp(mode, "rb+") == 0)
return MODE_OLDFILE;
if (strcmp(mode, "w+b") == 0 || strcmp(mode, "wb+") == 0)
return MODE_NEWFILE;
if (strcmp(mode, "w+bx") == 0 || strcmp(mode, "wb+x") == 0)
return MODE_NEWFILE;
if (strcmp(mode, "ab+") == 0 || strcmp(mode, "a+b") == 0) {
*append = true;
return MODE_READWRITE;
}
return -1;
}
#endif
@implementation OFFile
+ (void)initialize
{
if (self != [OFFile class])
return;
|
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
|
mode: (OFString *)mode
{
self = [super init];
@try {
int flags;
if ((flags = parseMode([mode UTF8String])) == -1)
@throw [OFInvalidArgumentException exception];
flags |= O_CLOEXEC;
#if defined(OF_WINDOWS)
if ((_fd = _wopen([path UTF16String], flags,
DEFAULT_MODE)) == -1)
#elif defined(OF_HAVE_OFF64_T)
if ((_fd = open64([path cStringWithEncoding:
[OFLocalization encoding]], flags, DEFAULT_MODE)) == -1)
#else
if ((_fd = open([path cStringWithEncoding:
[OFLocalization encoding]], flags, DEFAULT_MODE)) == -1)
#endif
@throw [OFOpenItemFailedException
exceptionWithPath: path
mode: mode
errNo: errno];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- initWithFileDescriptor: (int)fd
{
self = [super init];
_fd = fd;
return self;
}
- (bool)lowlevelIsAtEndOfStream
{
if (_fd == -1)
return true;
return _atEndOfStream;
}
- (size_t)lowlevelReadIntoBuffer: (void *)buffer
length: (size_t)length
{
ssize_t ret;
if (_fd == -1 || _atEndOfStream)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length];
#ifndef OF_WINDOWS
if ((ret = read(_fd, buffer, length)) < 0)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length
errNo: errno];
#else
if (length > UINT_MAX)
@throw [OFOutOfRangeException exception];
if ((ret = read(_fd, buffer, (unsigned int)length)) < 0)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length
errNo: errno];
#endif
if (ret == 0)
_atEndOfStream = true;
return ret;
}
- (void)lowlevelWriteBuffer: (const void *)buffer
length: (size_t)length
{
if (_fd == -1 || _atEndOfStream)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length];
#ifndef OF_WINDOWS
if (length > SSIZE_MAX)
@throw [OFOutOfRangeException exception];
if (write(_fd, buffer, length) != (ssize_t)length)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length
errNo: errno];
#else
if (length > INT_MAX)
@throw [OFOutOfRangeException exception];
if (write(_fd, buffer, (int)length) != (int)length)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length
errNo: errno];
#endif
}
- (of_offset_t)lowlevelSeekToOffset: (of_offset_t)offset
whence: (int)whence
{
#if defined(OF_WINDOWS)
of_offset_t ret = _lseeki64(_fd, offset, whence);
#elif defined(OF_HAVE_OFF64_T)
of_offset_t ret = lseek64(_fd, offset, whence);
#else
of_offset_t ret = lseek(_fd, offset, whence);
#endif
if (ret == -1)
@throw [OFSeekFailedException exceptionWithStream: self
offset: offset
whence: whence
errNo: errno];
_atEndOfStream = false;
return ret;
}
- (int)fileDescriptorForReading
{
return _fd;
}
- (int)fileDescriptorForWriting
{
return _fd;
}
- (void)close
{
if (_fd != -1)
close(_fd);
_fd = -1;
[super close];
}
- (void)dealloc
{
if (_fd != -1)
close(_fd);
[super dealloc];
}
@end
|
>
|
|
|
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
|
|
<
<
<
<
<
>
>
>
>
>
>
>
>
>
>
>
>
|
|
<
<
<
<
<
<
<
<
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
|
|
|
|
|
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
|
|
|
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
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
|
mode: (OFString *)mode
{
self = [super init];
@try {
int flags;
#if !defined(OF_MORPHOS) || defined(OF_IXEMUL)
if ((flags = parseMode([mode UTF8String])) == -1)
@throw [OFInvalidArgumentException exception];
flags |= O_CLOEXEC;
# if defined(OF_WINDOWS)
if ((_fd = _wopen([path UTF16String], flags,
DEFAULT_MODE)) == -1)
# elif defined(OF_HAVE_OFF64_T)
if ((_fd = open64([path cStringWithEncoding:
[OFLocalization encoding]], flags, DEFAULT_MODE)) == -1)
# else
if ((_fd = open([path cStringWithEncoding:
[OFLocalization encoding]], flags, DEFAULT_MODE)) == -1)
# endif
@throw [OFOpenItemFailedException
exceptionWithPath: path
mode: mode
errNo: errno];
#else
if ((flags = parseMode([mode UTF8String], &_append)) == -1)
@throw [OFInvalidArgumentException exception];
if ((_fd = Open([path cStringWithEncoding:
[OFLocalization encoding]], flags)) == INVALID_FD)
@throw [OFOpenItemFailedException
exceptionWithPath: path
mode: mode];
if (_append) {
if (Seek64(_fd, 0, OFFSET_END) == -1)
@throw [OFOpenItemFailedException
exceptionWithPath: path
mode: mode];
}
#endif
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- initWithFileDescriptor: (int)fd
{
self = [super init];
_fd = fd;
return self;
}
- (bool)lowlevelIsAtEndOfStream
{
if (_fd == INVALID_FD)
return true;
return _atEndOfStream;
}
- (size_t)lowlevelReadIntoBuffer: (void *)buffer
length: (size_t)length
{
ssize_t ret;
if (_fd == INVALID_FD || _atEndOfStream)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length];
#if defined(OF_WINDOWS)
if (length > UINT_MAX)
@throw [OFOutOfRangeException exception];
if ((ret = read(_fd, buffer, (unsigned int)length)) < 0)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length
errNo: errno];
#elif defined(OF_MORPHOS) && !defined(OF_IXEMUL)
if (length > LONG_MAX)
@throw [OFOutOfRangeException exception];
if ((ret = Read(_fd, buffer, length)) < 0)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length];
#else
if ((ret = read(_fd, buffer, length)) < 0)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length
errNo: errno];
#endif
if (ret == 0)
_atEndOfStream = true;
return ret;
}
- (void)lowlevelWriteBuffer: (const void *)buffer
length: (size_t)length
{
if (_fd == INVALID_FD || _atEndOfStream)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length];
#if defined(OF_WINDOWS)
if (length > INT_MAX)
@throw [OFOutOfRangeException exception];
if (write(_fd, buffer, (int)length) != (int)length)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length
errNo: errno];
#elif defined(OF_MORPHOS) && !defined(OF_IXEMUL)
if (length > LONG_MAX)
@throw [OFOutOfRangeException exception];
if (_append) {
if (Seek64(_fd, 0, OFFSET_END) == -1)
@throw [OFWriteFailedException
exceptionWithObject: self
requestedLength: length];
}
if (Write(_fd, (void *)buffer, length) != (LONG)length)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length];
#else
if (length > SSIZE_MAX)
@throw [OFOutOfRangeException exception];
if (write(_fd, buffer, length) != (ssize_t)length)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length
errNo: errno];
#endif
}
- (of_offset_t)lowlevelSeekToOffset: (of_offset_t)offset
whence: (int)whence
{
of_offset_t ret;
if (_fd == INVALID_FD)
@throw [OFSeekFailedException exceptionWithStream: self
offset: offset
whence: whence];
#if !defined(OF_MORPHOS) || defined(OF_IXEMUL)
# if defined(OF_WINDOWS)
ret = _lseeki64(_fd, offset, whence);
# elif defined(OF_HAVE_OFF64_T)
ret = lseek64(_fd, offset, whence);
# else
ret = lseek(_fd, offset, whence);
# endif
if (ret == -1)
@throw [OFSeekFailedException exceptionWithStream: self
offset: offset
whence: whence
errNo: errno];
#else
switch (whence) {
case SEEK_SET:
ret = Seek64(_fd, offset, OFFSET_BEGINNING);
break;
case SEEK_CUR:
ret = Seek64(_fd, offset, OFFSET_CURRENT);
break;
case SEEK_END:
ret = Seek64(_fd, offset, OFFSET_END);
break;
default:
ret = -1;
break;
}
if (ret == -1)
@throw [OFSeekFailedException exceptionWithStream: self
offset: offset
whence: whence];
#endif
_atEndOfStream = false;
return ret;
}
#if !defined(OF_WINDOWS) && (!defined(OF_MORPHOS) || defined(OF_IXEMUL))
- (int)fileDescriptorForReading
{
return _fd;
}
- (int)fileDescriptorForWriting
{
return _fd;
}
#endif
- (void)close
{
if (_fd != INVALID_FD)
close(_fd);
_fd = INVALID_FD;
[super close];
}
- (void)dealloc
{
if (_fd != INVALID_FD)
close(_fd);
[super dealloc];
}
@end
|