/
pocketpc.c
674 lines (521 loc) · 15 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
/*
* Skeleton platform-dependent support routines for PhysicsFS.
*
* Please see the file LICENSE in the source's root directory.
*
* This file written by Ryan C. Gordon.
*/
#if HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <windows.h>
#define __PHYSICSFS_INTERNAL__
#include "physfs_internal.h"
#define INVALID_FILE_ATTRIBUTES 0xFFFFFFFF
#define INVALID_SET_FILE_POINTER 0xFFFFFFFF
typedef struct
{
HANDLE handle;
int readonly;
} winCEfile;
const char *__PHYSFS_platformDirSeparator = "\\";
29
static char *userDir = NULL;
30
31
32
33
34
35
36
37
38
39
40
41
42
43
/*
* Figure out what the last failing Win32 API call was, and
* generate a human-readable string for the error message.
*
* The return value is a static buffer that is overwritten with
* each call to this function.
*/
static const char *win32strerror(void)
{
static TCHAR msgbuf[255];
TCHAR *ptr = msgbuf;
FormatMessage(
44
45
46
47
48
49
50
51
52
53
54
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), /* Default language */
msgbuf,
sizeof (msgbuf) / sizeof (TCHAR),
NULL
);
/* chop off newlines. */
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
for (ptr = msgbuf; *ptr; ptr++)
{
if ((*ptr == '\n') || (*ptr == '\r'))
{
*ptr = ' ';
break;
} /* if */
} /* for */
return((const char *) msgbuf);
} /* win32strerror */
static char *UnicodeToAsc(const wchar_t *w_str)
{
70
char *str=NULL;
71
72
73
74
75
if(w_str!=NULL)
{
int len=wcslen(w_str)+1;
str=(char *)malloc(len);
76
77
78
79
80
if(WideCharToMultiByte(CP_ACP,0,w_str,-1,str,len,NULL,NULL)==0)
{ //Conversion failed
free(str);
return NULL;
81
82
}
else
83
84
{ //Conversion successful
return(str);
85
}
86
87
88
89
90
91
}
else
{ //Given NULL string
return NULL;
}
92
93
94
95
}
static wchar_t *AscToUnicode(const char *str)
{
96
97
98
99
100
101
wchar_t *w_str=NULL;
if(str!=NULL)
{
int len=strlen(str)+1;
w_str=(wchar_t *)malloc(sizeof(wchar_t)*len);
if(MultiByteToWideChar(CP_ACP,0,str,-1,w_str,len)==0)
102
{
103
104
free(w_str);
return NULL;
105
106
107
}
else
{
108
return(w_str);
109
}
110
111
112
113
114
}
else
{
return NULL;
}
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
static char *getExePath()
{
DWORD buflen;
int success = 0;
TCHAR *ptr = NULL;
TCHAR *retval = (TCHAR *) malloc(sizeof (TCHAR) * (MAX_PATH + 1));
char *charretval;
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
retval[0] = _T('\0');
buflen = GetModuleFileName(NULL, retval, MAX_PATH + 1);
if (buflen <= 0) {
__PHYSFS_setError(win32strerror());
} else {
retval[buflen] = '\0'; /* does API always null-terminate this? */
ptr = retval+buflen;
while( ptr != retval )
{
if( *ptr != _T('\\') ) {
*ptr-- = _T('\0');
} else {
break;
}
}
success = 1;
} /* else */
if (!success)
{
free(retval);
return(NULL); /* physfs error message will be set, above. */
} /* if */
/* free up the bytes we didn't actually use. */
ptr = (TCHAR *) realloc(retval, sizeof(TCHAR) * _tcslen(retval) + 1);
if (ptr != NULL)
retval = ptr;
charretval = UnicodeToAsc(retval);
free(retval);
if(charretval == NULL) {
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
}
return(charretval); /* w00t. */
} /* getExePath */
165
166
int __PHYSFS_platformInit(void)
{
167
168
userDir = getExePath();
BAIL_IF_MACRO(userDir == NULL, NULL, 0); /* failed? */
169
170
171
172
173
174
return(1); /* always succeed. */
} /* __PHYSFS_platformInit */
int __PHYSFS_platformDeinit(void)
{
175
free(userDir);
176
177
178
179
180
181
182
183
184
185
186
187
return(1); /* always succeed. */
} /* __PHYSFS_platformDeinit */
char **__PHYSFS_platformDetectAvailableCDs(void)
{
BAIL_MACRO(ERR_NOT_IMPLEMENTED, NULL);
} /* __PHYSFS_platformDetectAvailableCDs */
char *__PHYSFS_platformCalcBaseDir(const char *argv0)
{
188
return(getExePath());
189
190
191
192
193
194
195
196
197
198
199
} /* __PHYSFS_platformCalcBaseDir */
char *__PHYSFS_platformGetUserName(void)
{
BAIL_MACRO(ERR_NOT_IMPLEMENTED, NULL);
} /* __PHYSFS_platformGetUserName */
char *__PHYSFS_platformGetUserDir(void)
{
200
return userDir;
201
202
203
204
205
206
207
208
209
210
211
212
BAIL_MACRO(ERR_NOT_IMPLEMENTED, NULL);
} /* __PHYSFS_platformGetUserDir */
PHYSFS_uint64 __PHYSFS_platformGetThreadID(void)
{
return(1); /* single threaded. */
} /* __PHYSFS_platformGetThreadID */
int __PHYSFS_platformStricmp(const char *x, const char *y)
{
213
return(_stricmp(x, y));
214
215
216
217
218
219
} /* __PHYSFS_platformStricmp */
int __PHYSFS_platformExists(const char *fname)
{
220
int retval=0;
221
222
wchar_t *w_fname=AscToUnicode(fname);
223
224
225
226
227
228
if(w_fname!=NULL)
{
retval=(GetFileAttributes(w_fname) != INVALID_FILE_ATTRIBUTES);
free(w_fname);
}
229
230
return(retval);
231
232
233
234
235
236
237
238
239
240
241
} /* __PHYSFS_platformExists */
int __PHYSFS_platformIsSymLink(const char *fname)
{
BAIL_MACRO(ERR_NOT_IMPLEMENTED, 0);
} /* __PHYSFS_platformIsSymlink */
int __PHYSFS_platformIsDirectory(const char *fname)
{
242
int retval=0;
243
244
wchar_t *w_fname=AscToUnicode(fname);
245
246
247
248
249
250
if(w_fname!=NULL)
{
retval=((GetFileAttributes(w_fname) & FILE_ATTRIBUTE_DIRECTORY) != 0);
free(w_fname);
}
251
252
return(retval);
253
254
255
256
257
258
259
260
} /* __PHYSFS_platformIsDirectory */
char *__PHYSFS_platformCvtToDependent(const char *prepend,
const char *dirName,
const char *append)
{
int len = ((prepend) ? strlen(prepend) : 0) +
261
262
((append) ? strlen(append) : 0) +
strlen(dirName) + 1;
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
char *retval = malloc(len);
char *p;
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
if (prepend)
strcpy(retval, prepend);
else
retval[0] = '\0';
strcat(retval, dirName);
if (append)
strcat(retval, append);
for (p = strchr(retval, '/'); p != NULL; p = strchr(p + 1, '/'))
*p = '\\';
return(retval);
} /* __PHYSFS_platformCvtToDependent */
void __PHYSFS_platformTimeslice(void)
{
Sleep(10);
} /* __PHYSFS_platformTimeslice */
LinkedStringList *__PHYSFS_platformEnumerateFiles(const char *dirname,
int omitSymLinks)
{
LinkedStringList *retval = NULL;
LinkedStringList *l = NULL;
LinkedStringList *prev = NULL;
HANDLE dir;
WIN32_FIND_DATA ent;
char *SearchPath;
300
wchar_t *w_SearchPath;
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
size_t len = strlen(dirname);
/* Allocate a new string for path, maybe '\\', "*", and NULL terminator */
SearchPath = (char *) alloca(len + 3);
BAIL_IF_MACRO(SearchPath == NULL, ERR_OUT_OF_MEMORY, NULL);
/* Copy current dirname */
strcpy(SearchPath, dirname);
/* if there's no '\\' at the end of the path, stick one in there. */
if (SearchPath[len - 1] != '\\')
{
SearchPath[len++] = '\\';
SearchPath[len] = '\0';
} /* if */
/* Append the "*" to the end of the string */
strcat(SearchPath, "*");
320
w_SearchPath=AscToUnicode(SearchPath);
321
322
dir = FindFirstFile(w_SearchPath, &ent);
323
324
free(w_SearchPath);
free(SearchPath);
325
326
327
328
329
if(dir == INVALID_HANDLE_VALUE)
{
return NULL;
}
330
331
332
333
334
335
336
337
338
339
340
341
342
do
{
if (wcscmp(ent.cFileName, L".") == 0)
continue;
if (wcscmp(ent.cFileName, L"..") == 0)
continue;
l = (LinkedStringList *) malloc(sizeof (LinkedStringList));
if (l == NULL)
break;
343
l->str=UnicodeToAsc(ent.cFileName);
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
if (l->str == NULL)
{
free(l);
break;
}
if (retval == NULL)
retval = l;
else
prev->next = l;
prev = l;
l->next = NULL;
} while (FindNextFile(dir, &ent) != 0);
FindClose(dir);
return(retval);
} /* __PHYSFS_platformEnumerateFiles */
char *__PHYSFS_platformCurrentDir(void)
{
368
return("\\");
369
370
371
372
373
} /* __PHYSFS_platformCurrentDir */
char *__PHYSFS_platformRealPath(const char *path)
{
374
char *retval=(char *)malloc(strlen(path)+1);
375
376
strcpy(retval,path);
377
378
return(retval);
379
380
381
382
383
384
} /* __PHYSFS_platformRealPath */
int __PHYSFS_platformMkDir(const char *path)
{
385
386
387
388
389
390
wchar_t *w_path = AscToUnicode(path);
if(w_path!=NULL)
{
DWORD rc = CreateDirectory(w_path, NULL);
free(w_path);
if(rc==0)
391
{
392
return(0);
393
}
394
395
396
397
398
399
return(1);
}
else
{
return(0);
}
400
401
402
403
404
405
406
} /* __PHYSFS_platformMkDir */
static void *doOpen(const char *fname, DWORD mode, DWORD creation, int rdonly)
{
HANDLE fileHandle;
winCEfile *retval;
407
wchar_t *w_fname=AscToUnicode(fname);
408
409
410
411
fileHandle = CreateFile(w_fname, mode, FILE_SHARE_READ, NULL,
creation, FILE_ATTRIBUTE_NORMAL, NULL);
412
free(w_fname);
413
414
415
416
417
if(fileHandle==INVALID_HANDLE_VALUE)
{
return NULL;
}
418
419
420
BAIL_IF_MACRO(fileHandle == INVALID_HANDLE_VALUE, win32strerror(), NULL);
421
422
423
424
425
426
retval = malloc(sizeof (winCEfile));
if (retval == NULL)
{
CloseHandle(fileHandle);
BAIL_MACRO(ERR_OUT_OF_MEMORY, NULL);
} /* if */
427
428
429
430
retval->readonly = rdonly;
retval->handle = fileHandle;
return(retval);
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
} /* doOpen */
void *__PHYSFS_platformOpenRead(const char *filename)
{
return(doOpen(filename, GENERIC_READ, OPEN_EXISTING, 1));
} /* __PHYSFS_platformOpenRead */
void *__PHYSFS_platformOpenWrite(const char *filename)
{
return(doOpen(filename, GENERIC_WRITE, CREATE_ALWAYS, 0));
} /* __PHYSFS_platformOpenWrite */
void *__PHYSFS_platformOpenAppend(const char *filename)
{
void *retval = doOpen(filename, GENERIC_WRITE, OPEN_ALWAYS, 0);
if (retval != NULL)
{
HANDLE h = ((winCEfile *) retval)->handle;
if (SetFilePointer(h, 0, NULL, FILE_END) == INVALID_SET_FILE_POINTER)
{
const char *err = win32strerror();
CloseHandle(h);
free(retval);
BAIL_MACRO(err, NULL);
} /* if */
} /* if */
return(retval);
} /* __PHYSFS_platformOpenAppend */
PHYSFS_sint64 __PHYSFS_platformRead(void *opaque, void *buffer,
PHYSFS_uint32 size, PHYSFS_uint32 count)
{
HANDLE FileHandle = ((winCEfile *) opaque)->handle;
DWORD CountOfBytesRead;
PHYSFS_sint64 retval;
/* Read data from the file */
/*!!! - uint32 might be a greater # than DWORD */
if(!ReadFile(FileHandle, buffer, count * size, &CountOfBytesRead, NULL))
{
477
retval=-1;
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
} /* if */
else
{
/* Return the number of "objects" read. */
/* !!! - What if not the right amount of bytes was read to make an object? */
retval = CountOfBytesRead / size;
} /* else */
return(retval);
} /* __PHYSFS_platformRead */
PHYSFS_sint64 __PHYSFS_platformWrite(void *opaque, const void *buffer,
PHYSFS_uint32 size, PHYSFS_uint32 count)
{
HANDLE FileHandle = ((winCEfile *) opaque)->handle;
DWORD CountOfBytesWritten;
PHYSFS_sint64 retval;
/* Read data from the file */
/*!!! - uint32 might be a greater # than DWORD */
if(!WriteFile(FileHandle, buffer, count * size, &CountOfBytesWritten, NULL))
{
502
retval=-1;
503
504
505
506
507
508
509
510
} /* if */
else
{
/* Return the number of "objects" read. */
/*!!! - What if not the right number of bytes was written? */
retval = CountOfBytesWritten / size;
} /* else */
511
return(retval);
512
513
514
515
516
517
518
519
520
521
522
523
} /* __PHYSFS_platformWrite */
int __PHYSFS_platformSeek(void *opaque, PHYSFS_uint64 pos)
{
HANDLE FileHandle = ((winCEfile *) opaque)->handle;
DWORD HighOrderPos;
DWORD rc;
/* Get the high order 32-bits of the position */
//HighOrderPos = HIGHORDER_UINT64(pos);
524
HighOrderPos = (unsigned long)(pos>>32);
525
526
527
528
529
530
531
/*!!! SetFilePointer needs a signed 64-bit value. */
/* Move pointer "pos" count from start of file */
rc = SetFilePointer(FileHandle, (unsigned long)(pos&0x00000000ffffffff),
&HighOrderPos, FILE_BEGIN);
if ((rc == INVALID_SET_FILE_POINTER) && (GetLastError() != NO_ERROR))
532
{
533
BAIL_MACRO(win32strerror(), 0);
534
}
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
return(1); /* No error occured */
} /* __PHYSFS_platformSeek */
PHYSFS_sint64 __PHYSFS_platformTell(void *opaque)
{
HANDLE FileHandle = ((winCEfile *) opaque)->handle;
DWORD HighPos = 0;
DWORD LowPos;
PHYSFS_sint64 retval;
/* Get current position */
LowPos = SetFilePointer(FileHandle, 0, &HighPos, FILE_CURRENT);
if ((LowPos == INVALID_SET_FILE_POINTER) && (GetLastError() != NO_ERROR))
{
BAIL_MACRO(win32strerror(), 0);
} /* if */
else
{
/* Combine the high/low order to create the 64-bit position value */
retval = (((PHYSFS_uint64) HighPos) << 32) | LowPos;
//assert(retval >= 0);
} /* else */
return(retval);
} /* __PHYSFS_platformTell */
PHYSFS_sint64 __PHYSFS_platformFileLength(void *opaque)
{
HANDLE FileHandle = ((winCEfile *) opaque)->handle;
DWORD SizeHigh;
DWORD SizeLow;
PHYSFS_sint64 retval;
SizeLow = GetFileSize(FileHandle, &SizeHigh);
if ((SizeLow == INVALID_SET_FILE_POINTER) && (GetLastError() != NO_ERROR))
{
BAIL_MACRO(win32strerror(), -1);
} /* if */
else
{
/* Combine the high/low order to create the 64-bit position value */
retval = (((PHYSFS_uint64) SizeHigh) << 32) | SizeLow;
//assert(retval >= 0);
} /* else */
return(retval);
} /* __PHYSFS_platformFileLength */
int __PHYSFS_platformEOF(void *opaque)
{
PHYSFS_sint64 FilePosition;
int retval = 0;
/* Get the current position in the file */
if ((FilePosition = __PHYSFS_platformTell(opaque)) != 0)
{
/* Non-zero if EOF is equal to the file length */
retval = FilePosition == __PHYSFS_platformFileLength(opaque);
} /* if */
return(retval);
} /* __PHYSFS_platformEOF */
int __PHYSFS_platformFlush(void *opaque)
{
winCEfile *fh = ((winCEfile *) opaque);
if (!fh->readonly)
BAIL_IF_MACRO(!FlushFileBuffers(fh->handle), win32strerror(), 0);
return(1);
} /* __PHYSFS_platformFlush */
int __PHYSFS_platformClose(void *opaque)
{
HANDLE FileHandle = ((winCEfile *) opaque)->handle;
BAIL_IF_MACRO(!CloseHandle(FileHandle), win32strerror(), 0);
free(opaque);
return(1);
} /* __PHYSFS_platformClose */
int __PHYSFS_platformDelete(const char *path)
{
624
wchar_t *w_path=AscToUnicode(path);
625
626
627
628
/* If filename is a folder */
if (GetFileAttributes(w_path) == FILE_ATTRIBUTE_DIRECTORY)
{
629
630
int retval=!RemoveDirectory(w_path);
free(w_path);
631
632
633
634
BAIL_IF_MACRO(retval, win32strerror(), 0);
} /* if */
else
{
635
636
int retval=!DeleteFile(w_path);
free(w_path);
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
BAIL_IF_MACRO(retval, win32strerror(), 0);
} /* else */
return(1); /* if you got here, it worked. */
} /* __PHYSFS_platformDelete */
void *__PHYSFS_platformCreateMutex(void)
{
return((void *) CreateMutex(NULL, FALSE, NULL));
} /* __PHYSFS_platformCreateMutex */
void __PHYSFS_platformDestroyMutex(void *mutex)
{
CloseHandle((HANDLE) mutex);
} /* __PHYSFS_platformDestroyMutex */
int __PHYSFS_platformGrabMutex(void *mutex)
{
return(WaitForSingleObject((HANDLE) mutex, INFINITE) != WAIT_FAILED);
} /* __PHYSFS_platformGrabMutex */
void __PHYSFS_platformReleaseMutex(void *mutex)
{
ReleaseMutex((HANDLE) mutex);
} /* __PHYSFS_platformReleaseMutex */
PHYSFS_sint64 __PHYSFS_platformGetLastModTime(const char *fname)
{
BAIL_MACRO(ERR_NOT_IMPLEMENTED, -1);
} /* __PHYSFS_platformGetLastModTime */
/* end of skeleton.c ... */